#!/bin/bash # Copyright 2016 The Kubernetes Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # This contains util code for testing kubectl. set -o errexit set -o nounset set -o pipefail KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../.. source "${KUBE_ROOT}/hack/lib/init.sh" source "${KUBE_ROOT}/hack/lib/test.sh" ETCD_HOST=${ETCD_HOST:-127.0.0.1} ETCD_PORT=${ETCD_PORT:-2379} API_PORT=${API_PORT:-8080} API_HOST=${API_HOST:-127.0.0.1} KUBELET_PORT=${KUBELET_PORT:-10250} KUBELET_HEALTHZ_PORT=${KUBELET_HEALTHZ_PORT:-10248} CTLRMGR_PORT=${CTLRMGR_PORT:-10252} PROXY_HOST=127.0.0.1 # kubectl only serves on localhost. IMAGE_NGINX="gcr.io/google-containers/nginx:1.7.9" IMAGE_DEPLOYMENT_R1="gcr.io/google-containers/nginx:test-cmd" # deployment-revision1.yaml IMAGE_DEPLOYMENT_R2="$IMAGE_NGINX" # deployment-revision2.yaml IMAGE_PERL="gcr.io/google-containers/perl" # Expose kubectl directly for readability PATH="${KUBE_OUTPUT_HOSTBIN}":$PATH # Define variables for resource types to prevent typos. clusterroles="clusterroles" configmaps="configmaps" csr="csr" deployments="deployments" horizontalpodautoscalers="horizontalpodautoscalers" metrics="metrics" namespaces="namespaces" nodes="nodes" persistentvolumeclaims="persistentvolumeclaims" persistentvolumes="persistentvolumes" pods="pods" podtemplates="podtemplates" replicasets="replicasets" replicationcontrollers="replicationcontrollers" secrets="secrets" serviceaccounts="serviceaccounts" services="services" statefulsets="statefulsets" static="static" storageclass="storageclass" subjectaccessreviews="subjectaccessreviews" thirdpartyresources="thirdpartyresources" # Stops the running kubectl proxy, if there is one. function stop-proxy() { [[ -n "${PROXY_PORT-}" ]] && kube::log::status "Stopping proxy on port ${PROXY_PORT}" [[ -n "${PROXY_PID-}" ]] && kill "${PROXY_PID}" 1>&2 2>/dev/null [[ -n "${PROXY_PORT_FILE-}" ]] && rm -f ${PROXY_PORT_FILE} PROXY_PID= PROXY_PORT= PROXY_PORT_FILE= } # Starts "kubect proxy" to test the client proxy. $1: api_prefix function start-proxy() { stop-proxy PROXY_PORT_FILE=$(mktemp proxy-port.out.XXXXX) kube::log::status "Starting kubectl proxy on random port; output file in ${PROXY_PORT_FILE}; args: ${1-}" if [ $# -eq 0 ]; then kubectl proxy --port=0 --www=. 1>${PROXY_PORT_FILE} 2>&1 & else kubectl proxy --port=0 --www=. --api-prefix="$1" 1>${PROXY_PORT_FILE} 2>&1 & fi PROXY_PID=$! PROXY_PORT= local attempts=0 while [[ -z ${PROXY_PORT} ]]; do if (( ${attempts} > 9 )); then kill "${PROXY_PID}" kube::log::error_exit "Couldn't start proxy. Failed to read port after ${attempts} tries. Got: $(cat ${PROXY_PORT_FILE})" fi sleep .5 kube::log::status "Attempt ${attempts} to read ${PROXY_PORT_FILE}..." PROXY_PORT=$(sed 's/.*Starting to serve on 127.0.0.1:\([0-9]*\)$/\1/'< ${PROXY_PORT_FILE}) attempts=$((attempts+1)) done kube::log::status "kubectl proxy running on port ${PROXY_PORT}" # We try checking kubectl proxy 30 times with 1s delays to avoid occasional # failures. if [ $# -eq 0 ]; then kube::util::wait_for_url "http://127.0.0.1:${PROXY_PORT}/healthz" "kubectl proxy" else kube::util::wait_for_url "http://127.0.0.1:${PROXY_PORT}/$1/healthz" "kubectl proxy --api-prefix=$1" fi } function cleanup() { [[ -n "${APISERVER_PID-}" ]] && kill "${APISERVER_PID}" 1>&2 2>/dev/null [[ -n "${CTLRMGR_PID-}" ]] && kill "${CTLRMGR_PID}" 1>&2 2>/dev/null [[ -n "${KUBELET_PID-}" ]] && kill "${KUBELET_PID}" 1>&2 2>/dev/null stop-proxy kube::etcd::cleanup rm -rf "${KUBE_TEMP}" kube::log::status "Clean up complete" } # Executes curl against the proxy. $1 is the path to use, $2 is the desired # return code. Prints a helpful message on failure. function check-curl-proxy-code() { local status local -r address=$1 local -r desired=$2 local -r full_address="${PROXY_HOST}:${PROXY_PORT}${address}" status=$(curl -w "%{http_code}" --silent --output /dev/null "${full_address}") if [ "${status}" == "${desired}" ]; then return 0 fi echo "For address ${full_address}, got ${status} but wanted ${desired}" return 1 } # TODO: Remove this function when we do the retry inside the kubectl commands. See #15333. function kubectl-with-retry() { ERROR_FILE="${KUBE_TEMP}/kubectl-error" preserve_err_file=${PRESERVE_ERR_FILE-false} for count in {0..3}; do kubectl "$@" 2> ${ERROR_FILE} || true if grep -q "the object has been modified" "${ERROR_FILE}"; then kube::log::status "retry $1, error: $(cat ${ERROR_FILE})" rm "${ERROR_FILE}" sleep $((2**count)) else if [ "$preserve_err_file" != true ] ; then rm "${ERROR_FILE}" fi break fi done } # Waits for the pods with the given label to match the list of names. Don't call # this function unless you know the exact pod names, or expect no pods. # $1: label to match # $2: list of pod names sorted by name # Example invocation: # wait-for-pods-with-label "app=foo" "nginx-0nginx-1" function wait-for-pods-with-label() { for i in $(seq 1 10); do kubeout=`kubectl get po -l $1 --template '{{range.items}}{{.metadata.name}}{{end}}' --sort-by metadata.name "${kube_flags[@]}"` if [[ $kubeout = $2 ]]; then return fi echo Waiting for pods: $2, found $kubeout sleep $i done kube::log::error_exit "Timeout waiting for pods with label $1" } # Code to be run before running the tests. setup() { kube::util::trap_add cleanup EXIT SIGINT kube::util::ensure-temp-dir # ensure ~/.kube/config isn't loaded by tests HOME="${KUBE_TEMP}" kube::etcd::start # Find a standard sed instance for use with edit scripts SED=sed if which gsed &>/dev/null; then SED=gsed fi if ! ($SED --version 2>&1 | grep -q GNU); then echo "!!! GNU sed is required. If on OS X, use 'brew install gnu-sed'." exit 1 fi kube::log::status "Building kubectl" make -C "${KUBE_ROOT}" WHAT="cmd/kubectl" # Check kubectl kube::log::status "Running kubectl with no options" "${KUBE_OUTPUT_HOSTBIN}/kubectl" # TODO: we need to note down the current default namespace and set back to this # namespace after the tests are done. kubectl config view CONTEXT="test" kubectl config set-context "${CONTEXT}" kubectl config use-context "${CONTEXT}" kube::log::status "Setup complete" } # Runs all pod related tests. run_pod_tests() { kube::log::status "Testing kubectl(v1:pods)" ### Create POD valid-pod from JSON # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml # Post-condition: valid-pod POD is created kubectl get "${kube_flags[@]}" pods -o json kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' kube::test::get_object_assert 'pod valid-pod' "{{$id_field}}" 'valid-pod' kube::test::get_object_assert 'pod/valid-pod' "{{$id_field}}" 'valid-pod' kube::test::get_object_assert 'pods/valid-pod' "{{$id_field}}" 'valid-pod' # Repeat above test using jsonpath template kube::test::get_object_jsonpath_assert pods "{.items[*]$id_field}" 'valid-pod' kube::test::get_object_jsonpath_assert 'pod valid-pod' "{$id_field}" 'valid-pod' kube::test::get_object_jsonpath_assert 'pod/valid-pod' "{$id_field}" 'valid-pod' kube::test::get_object_jsonpath_assert 'pods/valid-pod' "{$id_field}" 'valid-pod' # Describe command should print detailed information kube::test::describe_object_assert pods 'valid-pod' "Name:" "Image:" "Node:" "Labels:" "Status:" "Controllers" # Describe command should print events information by default kube::test::describe_object_events_assert pods 'valid-pod' # Describe command should not print events information when show-events=false kube::test::describe_object_events_assert pods 'valid-pod' false # Describe command should print events information when show-events=true kube::test::describe_object_events_assert pods 'valid-pod' true # Describe command (resource only) should print detailed information kube::test::describe_resource_assert pods "Name:" "Image:" "Node:" "Labels:" "Status:" "Controllers" # Describe command should print events information by default kube::test::describe_resource_events_assert pods # Describe command should not print events information when show-events=false kube::test::describe_resource_events_assert pods false # Describe command should print events information when show-events=true kube::test::describe_resource_events_assert pods true ### Validate Export ### kube::test::get_object_assert 'pods/valid-pod' "{{.metadata.namespace}} {{.metadata.name}}" ' valid-pod' "--export=true" ### Dump current valid-pod POD output_pod=$(kubectl get pod valid-pod -o yaml --output-version=v1 "${kube_flags[@]}") ### Delete POD valid-pod by id # Pre-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command kubectl delete pod valid-pod "${kube_flags[@]}" --grace-period=0 --force # Post-condition: valid-pod POD doesn't exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' ### Delete POD valid-pod by id with --now # Pre-condition: valid-pod POD exists kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command kubectl delete pod valid-pod "${kube_flags[@]}" --now # Post-condition: valid-pod POD doesn't exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' ### Delete POD valid-pod by id with --grace-period=0 # Pre-condition: valid-pod POD exists kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command succeeds without --force by waiting kubectl delete pod valid-pod "${kube_flags[@]}" --grace-period=0 # Post-condition: valid-pod POD doesn't exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' ### Create POD valid-pod from dumped YAML # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command echo "${output_pod}" | $SED '/namespace:/d' | kubectl create -f - "${kube_flags[@]}" # Post-condition: valid-pod POD is created kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ### Delete POD valid-pod from JSON # Pre-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command kubectl delete -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" --grace-period=0 --force # Post-condition: valid-pod POD doesn't exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' ### Create POD valid-pod from JSON # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" # Post-condition: valid-pod POD is created kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ### Delete POD valid-pod with label # Pre-condition: valid-pod POD exists kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' 'valid-pod:' # Command kubectl delete pods -l'name in (valid-pod)' "${kube_flags[@]}" --grace-period=0 --force # Post-condition: valid-pod POD doesn't exist kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' '' ### Create POD valid-pod from YAML # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" # Post-condition: valid-pod POD is created kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ### Delete PODs with no parameter mustn't kill everything # Pre-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command ! kubectl delete pods "${kube_flags[@]}" # Post-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ### Delete PODs with --all and a label selector is not permitted # Pre-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command ! kubectl delete --all pods -l'name in (valid-pod)' "${kube_flags[@]}" # Post-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ### Delete all PODs # Pre-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command kubectl delete --all pods "${kube_flags[@]}" --grace-period=0 --force # --all remove all the pods # Post-condition: no POD exists kube::test::get_object_assert "pods -l'name in (valid-pod)'" '{{range.items}}{{$id_field}}:{{end}}' '' # Detailed tests for describe pod output ### Create a new namespace # Pre-condition: the test-secrets namespace does not exist kube::test::get_object_assert 'namespaces' '{{range.items}}{{ if eq $id_field \"test-kubectl-describe-pod\" }}found{{end}}{{end}}:' ':' # Command kubectl create namespace test-kubectl-describe-pod # Post-condition: namespace 'test-secrets' is created. kube::test::get_object_assert 'namespaces/test-kubectl-describe-pod' "{{$id_field}}" 'test-kubectl-describe-pod' ### Create a generic secret # Pre-condition: no SECRET exists kube::test::get_object_assert 'secrets --namespace=test-kubectl-describe-pod' "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create secret generic test-secret --from-literal=key-1=value1 --type=test-type --namespace=test-kubectl-describe-pod # Post-condition: secret exists and has expected values kube::test::get_object_assert 'secret/test-secret --namespace=test-kubectl-describe-pod' "{{$id_field}}" 'test-secret' kube::test::get_object_assert 'secret/test-secret --namespace=test-kubectl-describe-pod' "{{$secret_type}}" 'test-type' ### Create a generic configmap # Pre-condition: no CONFIGMAP exists kube::test::get_object_assert 'configmaps --namespace=test-kubectl-describe-pod' "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create configmap test-configmap --from-literal=key-2=value2 --namespace=test-kubectl-describe-pod # Post-condition: configmap exists and has expected values kube::test::get_object_assert 'configmap/test-configmap --namespace=test-kubectl-describe-pod' "{{$id_field}}" 'test-configmap' ### Create a pod disruption budget # Command kubectl create pdb test-pdb --selector=app=rails --min-available=2 --namespace=test-kubectl-describe-pod # Post-condition: pdb exists and has expected values kube::test::get_object_assert 'pdb/test-pdb --namespace=test-kubectl-describe-pod' "{{$pdb_min_available}}" '2' # Command kubectl create pdb test-pdb-2 --selector=app=rails --min-available=50% --namespace=test-kubectl-describe-pod # Post-condition: pdb exists and has expected values kube::test::get_object_assert 'pdb/test-pdb-2 --namespace=test-kubectl-describe-pod' "{{$pdb_min_available}}" '50%' # Create a pod that consumes secret, configmap, and downward API keys as envs kube::test::get_object_assert 'pods --namespace=test-kubectl-describe-pod' "{{range.items}}{{$id_field}}:{{end}}" '' kubectl create -f hack/testdata/pod-with-api-env.yaml --namespace=test-kubectl-describe-pod kube::test::describe_object_assert 'pods --namespace=test-kubectl-describe-pod' 'env-test-pod' "TEST_CMD_1" "" "TEST_CMD_2" "" "TEST_CMD_3" "env-test-pod (v1:metadata.name)" # Describe command (resource only) should print detailed information about environment variables kube::test::describe_resource_assert 'pods --namespace=test-kubectl-describe-pod' "TEST_CMD_1" "" "TEST_CMD_2" "" "TEST_CMD_3" "env-test-pod (v1:metadata.name)" # Clean-up kubectl delete pod env-test-pod --namespace=test-kubectl-describe-pod kubectl delete secret test-secret --namespace=test-kubectl-describe-pod kubectl delete configmap test-configmap --namespace=test-kubectl-describe-pod kubectl delete pdb/test-pdb pdb/test-pdb-2 --namespace=test-kubectl-describe-pod kubectl delete namespace test-kubectl-describe-pod ### Create two PODs # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" kubectl create -f examples/storage/redis/redis-proxy.yaml "${kube_flags[@]}" # Post-condition: valid-pod and redis-proxy PODs are created kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-proxy:valid-pod:' ### Delete multiple PODs at once # Pre-condition: valid-pod and redis-proxy PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-proxy:valid-pod:' # Command kubectl delete pods valid-pod redis-proxy "${kube_flags[@]}" --grace-period=0 --force # delete multiple pods at once # Post-condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' ### Create valid-pod POD # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" # Post-condition: valid-pod POD is created kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ### Label the valid-pod POD # Pre-condition: valid-pod is not labelled kube::test::get_object_assert 'pod valid-pod' "{{range$labels_field}}{{.}}:{{end}}" 'valid-pod:' # Command kubectl label pods valid-pod new-name=new-valid-pod "${kube_flags[@]}" # Post-condition: valid-pod is labelled kube::test::get_object_assert 'pod valid-pod' "{{range$labels_field}}{{.}}:{{end}}" 'valid-pod:new-valid-pod:' ### Label the valid-pod POD with empty label value # Pre-condition: valid-pod does not have label "emptylabel" kube::test::get_object_assert 'pod valid-pod' "{{range$labels_field}}{{.}}:{{end}}" 'valid-pod:new-valid-pod:' # Command kubectl label pods valid-pod emptylabel="" "${kube_flags[@]}" # Post-condition: valid pod contains "emptylabel" with no value kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.emptylabel}}" '' ### Annotate the valid-pod POD with empty annotation value # Pre-condition: valid-pod does not have annotation "emptyannotation" kube::test::get_object_assert 'pod valid-pod' "{{${annotations_field}.emptyannotation}}" '' # Command kubectl annotate pods valid-pod emptyannotation="" "${kube_flags[@]}" # Post-condition: valid pod contains "emptyannotation" with no value kube::test::get_object_assert 'pod valid-pod' "{{${annotations_field}.emptyannotation}}" '' ### Record label change # Pre-condition: valid-pod does not have record annotation kube::test::get_object_assert 'pod valid-pod' "{{range.items}}{{$annotations_field}}:{{end}}" '' # Command kubectl label pods valid-pod record-change=true --record=true "${kube_flags[@]}" # Post-condition: valid-pod has record annotation kube::test::get_object_assert 'pod valid-pod' "{{range$annotations_field}}{{.}}:{{end}}" ".*--record=true.*" ### Do not record label change # Command kubectl label pods valid-pod no-record-change=true --record=false "${kube_flags[@]}" # Post-condition: valid-pod's record annotation still contains command with --record=true kube::test::get_object_assert 'pod valid-pod' "{{range$annotations_field}}{{.}}:{{end}}" ".*--record=true.*" ### Record label change with unspecified flag and previous change already recorded # Command kubectl label pods valid-pod new-record-change=true "${kube_flags[@]}" # Post-condition: valid-pod's record annotation contains new change kube::test::get_object_assert 'pod valid-pod' "{{range$annotations_field}}{{.}}:{{end}}" ".*new-record-change=true.*" ### Delete POD by label # Pre-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command kubectl delete pods -lnew-name=new-valid-pod --grace-period=0 --force "${kube_flags[@]}" # Post-condition: valid-pod POD doesn't exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' ### Create pod-with-precision POD # Pre-condition: no POD is running kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/pod-with-precision.json "${kube_flags[@]}" # Post-condition: valid-pod POD is running kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'pod-with-precision:' ## Patch preserves precision # Command kubectl patch "${kube_flags[@]}" pod pod-with-precision -p='{"metadata":{"annotations":{"patchkey": "patchvalue"}}}' # Post-condition: pod-with-precision POD has patched annotation kube::test::get_object_assert 'pod pod-with-precision' "{{${annotations_field}.patchkey}}" 'patchvalue' # Command kubectl label pods pod-with-precision labelkey=labelvalue "${kube_flags[@]}" # Post-condition: pod-with-precision POD has label kube::test::get_object_assert 'pod pod-with-precision' "{{${labels_field}.labelkey}}" 'labelvalue' # Command kubectl annotate pods pod-with-precision annotatekey=annotatevalue "${kube_flags[@]}" # Post-condition: pod-with-precision POD has annotation kube::test::get_object_assert 'pod pod-with-precision' "{{${annotations_field}.annotatekey}}" 'annotatevalue' # Cleanup kubectl delete pod pod-with-precision "${kube_flags[@]}" ### Annotate POD YAML file locally without effecting the live pod. kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}" # Command kubectl annotate -f hack/testdata/pod.yaml annotatekey=annotatevalue "${kube_flags[@]}" # Pre-condition: annotationkey is annotationvalue kube::test::get_object_assert 'pod test-pod' "{{${annotations_field}.annotatekey}}" 'annotatevalue' # Command output_message=$(kubectl annotate --local -f hack/testdata/pod.yaml annotatekey=localvalue -o yaml "${kube_flags[@]}") echo $output_message # Post-condition: annotationkey is still annotationvalue in the live pod, but command output is the new value kube::test::get_object_assert 'pod test-pod' "{{${annotations_field}.annotatekey}}" 'annotatevalue' kube::test::if_has_string "${output_message}" "localvalue" # Cleanup kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}" ### Create valid-pod POD # Pre-condition: no services and no rcs exist kube::test::get_object_assert service "{{range.items}}{{$id_field}}:{{end}}" '' kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' ## kubectl create --edit can update the label filed of multiple resources. tmp-editor.sh is a fake editor TEMP=$(mktemp /tmp/tmp-editor-XXXXXXXX.sh) echo -e "#!/bin/bash\n$SED -i \"s/mock/modified/g\" \$1" > ${TEMP} chmod +x ${TEMP} # Command EDITOR=${TEMP} kubectl create --edit -f hack/testdata/multi-resource-json.json "${kube_flags[@]}" # Post-condition: service named modified and rc named modified are created kube::test::get_object_assert service "{{range.items}}{{$id_field}}:{{end}}" 'modified:' kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'modified:' # Clean up kubectl delete service/modified "${kube_flags[@]}" kubectl delete rc/modified "${kube_flags[@]}" # Pre-condition: no services and no rcs exist kube::test::get_object_assert service "{{range.items}}{{$id_field}}:{{end}}" '' kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command EDITOR=${TEMP} kubectl create --edit -f hack/testdata/multi-resource-list.json "${kube_flags[@]}" # Post-condition: service named modified and rc named modified are created kube::test::get_object_assert service "{{range.items}}{{$id_field}}:{{end}}" 'modified:' kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'modified:' # Clean up rm ${TEMP} kubectl delete service/modified "${kube_flags[@]}" kubectl delete rc/modified "${kube_flags[@]}" ## kubectl create --edit won't create anything if user makes no changes [ "$(EDITOR=cat kubectl create --edit -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml -o json 2>&1 | grep 'Edit cancelled')" ] ## Create valid-pod POD # Pre-condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" # Post-condition: valid-pod POD is created kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ## Patch can modify a local object kubectl patch --local -f pkg/api/validation/testdata/v1/validPod.yaml --patch='{"spec": {"restartPolicy":"Never"}}' -o jsonpath='{.spec.restartPolicy}' | grep -q "Never" ## Patch pod can change image # Command kubectl patch "${kube_flags[@]}" pod valid-pod --record -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "nginx"}]}}' # Post-condition: valid-pod POD has image nginx kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:' # Post-condition: valid-pod has the record annotation kube::test::get_object_assert pods "{{range.items}}{{$annotations_field}}:{{end}}" "${change_cause_annotation}" # prove that patch can use different types kubectl patch "${kube_flags[@]}" pod valid-pod --type="json" -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"nginx2"}]' # Post-condition: valid-pod POD has image nginx kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx2:' # prove that patch can use different types kubectl patch "${kube_flags[@]}" pod valid-pod --type="json" -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"nginx"}]' # Post-condition: valid-pod POD has image nginx kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:' # prove that yaml input works too YAML_PATCH=$'spec:\n containers:\n - name: kubernetes-serve-hostname\n image: changed-with-yaml\n' kubectl patch "${kube_flags[@]}" pod valid-pod -p="${YAML_PATCH}" # Post-condition: valid-pod POD has image nginx kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'changed-with-yaml:' ## Patch pod from JSON can change image # Command kubectl patch "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "gcr.io/google_containers/pause-amd64:3.0"}]}}' # Post-condition: valid-pod POD has image gcr.io/google_containers/pause-amd64:3.0 kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'gcr.io/google_containers/pause-amd64:3.0:' ## If resourceVersion is specified in the patch, it will be treated as a precondition, i.e., if the resourceVersion is different from that is stored in the server, the Patch should be rejected ERROR_FILE="${KUBE_TEMP}/conflict-error" ## If the resourceVersion is the same as the one stored in the server, the patch will be applied. # Command # Needs to retry because other party may change the resource. for count in {0..3}; do resourceVersion=$(kubectl get "${kube_flags[@]}" pod valid-pod -o go-template='{{ .metadata.resourceVersion }}') kubectl patch "${kube_flags[@]}" pod valid-pod -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "nginx"}]},"metadata":{"resourceVersion":"'$resourceVersion'"}}' 2> "${ERROR_FILE}" || true if grep -q "the object has been modified" "${ERROR_FILE}"; then kube::log::status "retry $1, error: $(cat ${ERROR_FILE})" rm "${ERROR_FILE}" sleep $((2**count)) else rm "${ERROR_FILE}" kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:' break fi done ## If the resourceVersion is the different from the one stored in the server, the patch will be rejected. resourceVersion=$(kubectl get "${kube_flags[@]}" pod valid-pod -o go-template='{{ .metadata.resourceVersion }}') ((resourceVersion+=100)) # Command kubectl patch "${kube_flags[@]}" pod valid-pod -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "nginx"}]},"metadata":{"resourceVersion":"'$resourceVersion'"}}' 2> "${ERROR_FILE}" || true # Post-condition: should get an error reporting the conflict if grep -q "please apply your changes to the latest version and try again" "${ERROR_FILE}"; then kube::log::status "\"kubectl patch with resourceVersion $resourceVersion\" returns error as expected: $(cat ${ERROR_FILE})" else kube::log::status "\"kubectl patch with resourceVersion $resourceVersion\" returns unexpected error or non-error: $(cat ${ERROR_FILE})" exit 1 fi rm "${ERROR_FILE}" ## --force replace pod can change other field, e.g., spec.container.name # Command kubectl get "${kube_flags[@]}" pod valid-pod -o json | $SED 's/"kubernetes-serve-hostname"/"replaced-k8s-serve-hostname"/g' > /tmp/tmp-valid-pod.json kubectl replace "${kube_flags[@]}" --force -f /tmp/tmp-valid-pod.json # Post-condition: spec.container.name = "replaced-k8s-serve-hostname" kube::test::get_object_assert 'pod valid-pod' "{{(index .spec.containers 0).name}}" 'replaced-k8s-serve-hostname' ## check replace --grace-period requires --force output_message=$(! kubectl replace "${kube_flags[@]}" --grace-period=1 -f /tmp/tmp-valid-pod.json 2>&1) kube::test::if_has_string "${output_message}" '\-\-grace-period must have \-\-force specified' ## check replace --timeout requires --force output_message=$(! kubectl replace "${kube_flags[@]}" --timeout=1s -f /tmp/tmp-valid-pod.json 2>&1) kube::test::if_has_string "${output_message}" '\-\-timeout must have \-\-force specified' #cleaning rm /tmp/tmp-valid-pod.json ## replace of a cluster scoped resource can succeed # Pre-condition: a node exists kubectl create -f - "${kube_flags[@]}" << __EOF__ { "kind": "Node", "apiVersion": "v1", "metadata": { "name": "node-v1-test" } } __EOF__ kubectl replace -f - "${kube_flags[@]}" << __EOF__ { "kind": "Node", "apiVersion": "v1", "metadata": { "name": "node-v1-test", "annotations": {"a":"b"} } } __EOF__ # Post-condition: the node command succeeds kube::test::get_object_assert "node node-v1-test" "{{.metadata.annotations.a}}" 'b' kubectl delete node node-v1-test "${kube_flags[@]}" ## kubectl edit can update the image field of a POD. tmp-editor.sh is a fake editor echo -e "#!/bin/bash\n$SED -i \"s/nginx/gcr.io\/google_containers\/serve_hostname/g\" \$1" > /tmp/tmp-editor.sh chmod +x /tmp/tmp-editor.sh # Pre-condition: valid-pod POD has image nginx kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:' EDITOR=/tmp/tmp-editor.sh kubectl edit "${kube_flags[@]}" pods/valid-pod # Post-condition: valid-pod POD has image gcr.io/google_containers/serve_hostname kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'gcr.io/google_containers/serve_hostname:' # cleaning rm /tmp/tmp-editor.sh ## kubectl edit should work on Windows [ "$(EDITOR=cat kubectl edit pod/valid-pod 2>&1 | grep 'Edit cancelled')" ] [ "$(EDITOR=cat kubectl edit pod/valid-pod | grep 'name: valid-pod')" ] [ "$(EDITOR=cat kubectl edit --windows-line-endings pod/valid-pod | file - | grep CRLF)" ] [ ! "$(EDITOR=cat kubectl edit --windows-line-endings=false pod/valid-pod | file - | grep CRLF)" ] [ "$(EDITOR=cat kubectl edit ns | grep 'kind: List')" ] ### Label POD YAML file locally without effecting the live pod. # Pre-condition: name is valid-pod kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod' # Command output_message=$(kubectl label --local --overwrite -f hack/testdata/pod.yaml name=localonlyvalue -o yaml "${kube_flags[@]}") echo $output_message # Post-condition: name is still valid-pod in the live pod, but command output is the new value kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod' kube::test::if_has_string "${output_message}" "localonlyvalue" ### Overwriting an existing label is not permitted # Pre-condition: name is valid-pod kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod' # Command ! kubectl label pods valid-pod name=valid-pod-super-sayan "${kube_flags[@]}" # Post-condition: name is still valid-pod kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod' ### --overwrite must be used to overwrite existing label, can be applied to all resources # Pre-condition: name is valid-pod kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod' # Command kubectl label --overwrite pods --all name=valid-pod-super-sayan "${kube_flags[@]}" # Post-condition: name is valid-pod-super-sayan kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.name}}" 'valid-pod-super-sayan' ### Delete POD by label # Pre-condition: valid-pod POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command kubectl delete pods -l'name in (valid-pod-super-sayan)' --grace-period=0 --force "${kube_flags[@]}" # Post-condition: valid-pod POD doesn't exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' ### Create two PODs from 1 yaml file # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/user-guide/multi-pod.yaml "${kube_flags[@]}" # Post-condition: valid-pod and redis-proxy PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-master:redis-proxy:' ### Delete two PODs from 1 yaml file # Pre-condition: redis-master and redis-proxy PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'redis-master:redis-proxy:' # Command kubectl delete -f test/fixtures/doc-yaml/user-guide/multi-pod.yaml "${kube_flags[@]}" # Post-condition: no PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' ## kubectl apply should update configuration annotations only if apply is already called ## 1. kubectl create doesn't set the annotation # Pre-Condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command: create a pod "test-pod" kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}" # Post-Condition: pod "test-pod" is created kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-label' # Post-Condition: pod "test-pod" doesn't have configuration annotation ! [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] ## 2. kubectl replace doesn't set the annotation kubectl get pods test-pod -o yaml "${kube_flags[@]}" | $SED 's/test-pod-label/test-pod-replaced/g' > "${KUBE_TEMP}"/test-pod-replace.yaml # Command: replace the pod "test-pod" kubectl replace -f "${KUBE_TEMP}"/test-pod-replace.yaml "${kube_flags[@]}" # Post-Condition: pod "test-pod" is replaced kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-replaced' # Post-Condition: pod "test-pod" doesn't have configuration annotation ! [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] ## 3. kubectl apply does set the annotation # Command: apply the pod "test-pod" kubectl apply -f hack/testdata/pod-apply.yaml "${kube_flags[@]}" # Post-Condition: pod "test-pod" is applied kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-applied' # Post-Condition: pod "test-pod" has configuration annotation [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration > "${KUBE_TEMP}"/annotation-configuration ## 4. kubectl replace updates an existing annotation kubectl get pods test-pod -o yaml "${kube_flags[@]}" | $SED 's/test-pod-applied/test-pod-replaced/g' > "${KUBE_TEMP}"/test-pod-replace.yaml # Command: replace the pod "test-pod" kubectl replace -f "${KUBE_TEMP}"/test-pod-replace.yaml "${kube_flags[@]}" # Post-Condition: pod "test-pod" is replaced kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-replaced' # Post-Condition: pod "test-pod" has configuration annotation, and it's updated (different from the annotation when it's applied) [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration > "${KUBE_TEMP}"/annotation-configuration-replaced ! [[ $(diff -q "${KUBE_TEMP}"/annotation-configuration "${KUBE_TEMP}"/annotation-configuration-replaced > /dev/null) ]] # Clean up rm "${KUBE_TEMP}"/test-pod-replace.yaml "${KUBE_TEMP}"/annotation-configuration "${KUBE_TEMP}"/annotation-configuration-replaced kubectl delete pods test-pod "${kube_flags[@]}" } # Runs tests related to kubectl apply. run_kubectl_apply_tests() { ## kubectl apply should create the resource that doesn't exist yet # Pre-Condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command: apply a pod "test-pod" (doesn't exist) should create this pod kubectl apply -f hack/testdata/pod.yaml "${kube_flags[@]}" # Post-Condition: pod "test-pod" is created kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-label' # Post-Condition: pod "test-pod" has configuration annotation [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Clean up kubectl delete pods test-pod "${kube_flags[@]}" ## kubectl apply -f with label selector should only apply matching objects # Pre-Condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # apply kubectl apply -l unique-label=bingbang -f hack/testdata/filter "${kube_flags[@]}" # check right pod exists kube::test::get_object_assert 'pods selector-test-pod' "{{${labels_field}.name}}" 'selector-test-pod' # check wrong pod doesn't exist output_message=$(! kubectl get pods selector-test-pod-dont-apply 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'pods "selector-test-pod-dont-apply" not found' # cleanup kubectl delete pods selector-test-pod ## kubectl apply --prune # Pre-Condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # apply a kubectl apply --prune -l prune-group=true -f hack/testdata/prune/a.yaml "${kube_flags[@]}" # check right pod exists kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a' # check wrong pod doesn't exist output_message=$(! kubectl get pods b 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'pods "b" not found' # apply b kubectl apply --prune -l prune-group=true -f hack/testdata/prune/b.yaml "${kube_flags[@]}" # check right pod exists kube::test::get_object_assert 'pods b' "{{${id_field}}}" 'b' # check wrong pod doesn't exist output_message=$(! kubectl get pods a 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'pods "a" not found' # cleanup kubectl delete pods b # same thing without prune for a sanity check # Pre-Condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # apply a kubectl apply -l prune-group=true -f hack/testdata/prune/a.yaml "${kube_flags[@]}" # check right pod exists kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a' # check wrong pod doesn't exist output_message=$(! kubectl get pods b 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'pods "b" not found' # apply b kubectl apply -l prune-group=true -f hack/testdata/prune/b.yaml "${kube_flags[@]}" # check both pods exist kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a' kube::test::get_object_assert 'pods b' "{{${id_field}}}" 'b' # check wrong pod doesn't exist # cleanup kubectl delete pod/a pod/b ## kubectl apply --prune requires a --all flag to select everything output_message=$(! kubectl apply --prune -f hack/testdata/prune 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" \ 'all resources selected for prune without explicitly passing --all' # should apply everything kubectl apply --all --prune -f hack/testdata/prune kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a' kube::test::get_object_assert 'pods b' "{{${id_field}}}" 'b' kubectl delete pod/a pod/b ## kubectl apply --prune should fallback to delete for non reapable types kubectl apply --all --prune -f hack/testdata/prune-reap/a.yml 2>&1 "${kube_flags[@]}" kube::test::get_object_assert 'pvc a-pvc' "{{${id_field}}}" 'a-pvc' kubectl apply --all --prune -f hack/testdata/prune-reap/b.yml 2>&1 "${kube_flags[@]}" kube::test::get_object_assert 'pvc b-pvc' "{{${id_field}}}" 'b-pvc' kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' kubectl delete pvc b-pvc 2>&1 "${kube_flags[@]}" ## kubectl apply --prune --prune-whitelist # Pre-Condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # apply pod a kubectl apply --prune -l prune-group=true -f hack/testdata/prune/a.yaml "${kube_flags[@]}" # check right pod exists kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a' # apply svc and don't prune pod a by overwriting whitelist kubectl apply --prune -l prune-group=true -f hack/testdata/prune/svc.yaml --prune-whitelist core/v1/Service 2>&1 "${kube_flags[@]}" kube::test::get_object_assert 'service prune-svc' "{{${id_field}}}" 'prune-svc' kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a' # apply svc and prune pod a with default whitelist kubectl apply --prune -l prune-group=true -f hack/testdata/prune/svc.yaml 2>&1 "${kube_flags[@]}" kube::test::get_object_assert 'service prune-svc' "{{${id_field}}}" 'prune-svc' kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # cleanup kubectl delete svc prune-svc 2>&1 "${kube_flags[@]}" } # Runs tests for --save-config tests. run_save_config_tests() { ## Configuration annotations should be set when --save-config is enabled ## 1. kubectl create --save-config should generate configuration annotation # Pre-Condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command: create a pod "test-pod" kubectl create -f hack/testdata/pod.yaml --save-config "${kube_flags[@]}" # Post-Condition: pod "test-pod" has configuration annotation [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Clean up kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}" ## 2. kubectl edit --save-config should generate configuration annotation # Pre-Condition: no POD exists, then create pod "test-pod", which shouldn't have configuration annotation create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}" ! [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Command: edit the pod "test-pod" temp_editor="${KUBE_TEMP}/tmp-editor.sh" echo -e "#!/bin/bash\n$SED -i \"s/test-pod-label/test-pod-label-edited/g\" \$@" > "${temp_editor}" chmod +x "${temp_editor}" EDITOR=${temp_editor} kubectl edit pod test-pod --save-config "${kube_flags[@]}" # Post-Condition: pod "test-pod" has configuration annotation [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Clean up kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}" ## 3. kubectl replace --save-config should generate configuration annotation # Pre-Condition: no POD exists, then create pod "test-pod", which shouldn't have configuration annotation create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}" ! [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Command: replace the pod "test-pod" kubectl replace -f hack/testdata/pod.yaml --save-config "${kube_flags[@]}" # Post-Condition: pod "test-pod" has configuration annotation [[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Clean up kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}" ## 4. kubectl run --save-config should generate configuration annotation # Pre-Condition: no RC exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command: create the rc "nginx" with image nginx kubectl run nginx "--image=$IMAGE_NGINX" --save-config --generator=run/v1 "${kube_flags[@]}" # Post-Condition: rc "nginx" has configuration annotation [[ "$(kubectl get rc nginx -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] ## 5. kubectl expose --save-config should generate configuration annotation # Pre-Condition: no service exists kube::test::get_object_assert svc "{{range.items}}{{$id_field}}:{{end}}" '' # Command: expose the rc "nginx" kubectl expose rc nginx --save-config --port=80 --target-port=8000 "${kube_flags[@]}" # Post-Condition: service "nginx" has configuration annotation [[ "$(kubectl get svc nginx -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Clean up kubectl delete rc,svc nginx ## 6. kubectl autoscale --save-config should generate configuration annotation # Pre-Condition: no RC exists, then create the rc "frontend", which shouldn't have configuration annotation kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' kubectl create -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" ! [[ "$(kubectl get rc frontend -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Command: autoscale rc "frontend" kubectl autoscale -f hack/testdata/frontend-controller.yaml --save-config "${kube_flags[@]}" --max=2 # Post-Condition: hpa "frontend" has configuration annotation [[ "$(kubectl get hpa.v1beta1.extensions frontend -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]] # Ensure we can interact with HPA objects in lists through both the extensions/v1beta1 and autoscaling/v1 APIs output_message=$(kubectl get hpa -o=jsonpath='{.items[0].apiVersion}' 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'autoscaling/v1' output_message=$(kubectl get hpa.extensions -o=jsonpath='{.items[0].apiVersion}' 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'extensions/v1beta1' output_message=$(kubectl get hpa.autoscaling -o=jsonpath='{.items[0].apiVersion}' 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'autoscaling/v1' # tests kubectl group prefix matching output_message=$(kubectl get hpa.autoscal -o=jsonpath='{.items[0].apiVersion}' 2>&1 "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'autoscaling/v1' # Clean up # Note that we should delete hpa first, otherwise it may fight with the rc reaper. kubectl delete hpa frontend "${kube_flags[@]}" kubectl delete rc frontend "${kube_flags[@]}" } run_kubectl_run_tests() { ## kubectl run should create deployments or jobs # Pre-Condition: no Job exists kube::test::get_object_assert jobs "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl run pi --generator=job/v1 "--image=$IMAGE_PERL" --restart=OnFailure -- perl -Mbignum=bpi -wle 'print bpi(20)' "${kube_flags[@]}" # Post-Condition: Job "pi" is created kube::test::get_object_assert jobs "{{range.items}}{{$id_field}}:{{end}}" 'pi:' # Clean up kubectl delete jobs pi "${kube_flags[@]}" # Post-condition: no pods exist. kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Pre-Condition: no Deployment exists kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl run nginx "--image=$IMAGE_NGINX" --generator=deployment/v1beta1 "${kube_flags[@]}" # Post-Condition: Deployment "nginx" is created kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx:' # Clean up kubectl delete deployment nginx "${kube_flags[@]}" } run_kubectl_get_tests() { ### Test retrieval of non-existing pods # Pre-condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command output_message=$(! kubectl get pods abc 2>&1 "${kube_flags[@]}") # Post-condition: POD abc should error since it doesn't exist kube::test::if_has_string "${output_message}" 'pods "abc" not found' ### Test retrieval of non-existing POD with output flag specified # Pre-condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command output_message=$(! kubectl get pods abc 2>&1 "${kube_flags[@]}" -o name) # Post-condition: POD abc should error since it doesn't exist kube::test::if_has_string "${output_message}" 'pods "abc" not found' ### Test retrieval of non-existing POD with json output flag specified # Pre-condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command output_message=$(! kubectl get pods abc 2>&1 "${kube_flags[@]}" -o json) # Post-condition: POD abc should error since it doesn't exist kube::test::if_has_string "${output_message}" 'pods "abc" not found' # Post-condition: make sure we don't display an empty List if kube::test::if_has_string "${output_message}" 'List'; then echo 'Unexpected List output' echo "${LINENO} $(basename $0)" exit 1 fi ### Test kubectl get all output_message=$(kubectl --v=6 --namespace default get all 2>&1 "${kube_flags[@]}") # Post-condition: Check if we get 200 OK from all the url(s) kube::test::if_has_string "${output_message}" "/api/v1/namespaces/default/pods 200 OK" kube::test::if_has_string "${output_message}" "/api/v1/namespaces/default/replicationcontrollers 200 OK" kube::test::if_has_string "${output_message}" "/api/v1/namespaces/default/services 200 OK" kube::test::if_has_string "${output_message}" "/apis/apps/v1beta1/namespaces/default/statefulsets 200 OK" kube::test::if_has_string "${output_message}" "/apis/autoscaling/v1/namespaces/default/horizontalpodautoscalers 200" kube::test::if_has_string "${output_message}" "/apis/batch/v1/namespaces/default/jobs 200 OK" kube::test::if_has_string "${output_message}" "/apis/extensions/v1beta1/namespaces/default/deployments 200 OK" kube::test::if_has_string "${output_message}" "/apis/extensions/v1beta1/namespaces/default/replicasets 200 OK" ### Test --allow-missing-template-keys # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" # Post-condition: valid-pod POD is created kubectl get "${kube_flags[@]}" pods -o json kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ## check --allow-missing-template-keys defaults to true for jsonpath templates kubectl get "${kube_flags[@]}" pod valid-pod -o jsonpath='{.missing}' ## check --allow-missing-template-keys defaults to true for go templates kubectl get "${kube_flags[@]}" pod valid-pod -o go-template='{{.missing}}' ## check --allow-missing-template-keys=false results in an error for a missing key with jsonpath output_message=$(! kubectl get pod valid-pod --allow-missing-template-keys=false -o jsonpath='{.missing}' "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'missing is not found' ## check --allow-missing-template-keys=false results in an error for a missing key with go output_message=$(! kubectl get pod valid-pod --allow-missing-template-keys=false -o go-template='{{.missing}}' "${kube_flags[@]}") kube::test::if_has_string "${output_message}" 'map has no entry for key "missing"' # cleanup kubectl delete pods valid-pod "${kube_flags[@]}" ### Test 'kubectl get -f -o ' prints all the items in the file's list # Pre-condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/user-guide/multi-pod.yaml "${kube_flags[@]}" # Post-condition: PODs redis-master and redis-proxy exist # Check that all items in the list are printed output_message=$(kubectl get -f test/fixtures/doc-yaml/user-guide/multi-pod.yaml -o jsonpath="{..metadata.name}" "${kube_flags[@]}") kube::test::if_has_string "${output_message}" "redis-master redis-proxy" # cleanup kubectl delete pods redis-master redis-proxy "${kube_flags[@]}" } run_kubectl_request_timeout_tests() { ### Test global request timeout option # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml # Post-condition: valid-pod POD is created kubectl get "${kube_flags[@]}" pods -o json kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ## check --request-timeout on 'get pod' output_message=$(kubectl get pod valid-pod --request-timeout=1) kube::test::if_has_string "${output_message}" 'valid-pod' ## check --request-timeout on 'get pod' with --watch output_message=$(kubectl get pod valid-pod --request-timeout=1 --watch 2>&1) kube::test::if_has_string "${output_message}" 'Timeout exceeded while reading body' ## check --request-timeout value with no time unit output_message=$(kubectl get pod valid-pod --request-timeout=1 2>&1) kube::test::if_has_string "${output_message}" 'valid-pod' ## check --request-timeout value with invalid time unit output_message=$(! kubectl get pod valid-pod --request-timeout="1p" 2>&1) kube::test::if_has_string "${output_message}" 'Invalid timeout value' # cleanup kubectl delete pods valid-pod "${kube_flags[@]}" } run_tpr_tests() { create_and_use_new_namespace kubectl "${kube_flags[@]}" create -f - "${kube_flags[@]}" << __EOF__ { "kind": "ThirdPartyResource", "apiVersion": "extensions/v1beta1", "metadata": { "name": "foo.company.com" }, "versions": [ { "name": "v1" } ] } __EOF__ # Post-Condition: assertion object exist kube::test::get_object_assert thirdpartyresources "{{range.items}}{{$id_field}}:{{end}}" 'foo.company.com:' kubectl "${kube_flags[@]}" create -f - "${kube_flags[@]}" << __EOF__ { "kind": "ThirdPartyResource", "apiVersion": "extensions/v1beta1", "metadata": { "name": "bar.company.com" }, "versions": [ { "name": "v1" } ] } __EOF__ # Post-Condition: assertion object exist kube::test::get_object_assert thirdpartyresources "{{range.items}}{{$id_field}}:{{end}}" 'bar.company.com:foo.company.com:' kube::util::wait_for_url "http://127.0.0.1:${API_PORT}/apis/company.com/v1" "third party api" kube::util::wait_for_url "http://127.0.0.1:${API_PORT}/apis/company.com/v1/foos" "third party api Foo" kube::util::wait_for_url "http://127.0.0.1:${API_PORT}/apis/company.com/v1/bars" "third party api Bar" # Test that we can list this new third party resource (foos) kube::test::get_object_assert foos "{{range.items}}{{$id_field}}:{{end}}" '' # Test that we can list this new third party resource (bars) kube::test::get_object_assert bars "{{range.items}}{{$id_field}}:{{end}}" '' # Test that we can create a new resource of type Foo kubectl "${kube_flags[@]}" create -f - "${kube_flags[@]}" << __EOF__ { "kind": "Foo", "apiVersion": "company.com/v1", "metadata": { "name": "test" }, "some-field": "field1", "other-field": "field2" } __EOF__ # Test that we can list this new third party resource kube::test::get_object_assert foos "{{range.items}}{{$id_field}}:{{end}}" 'test:' # Delete the resource kubectl "${kube_flags[@]}" delete foos test # Make sure it's gone kube::test::get_object_assert foos "{{range.items}}{{$id_field}}:{{end}}" '' # Test that we can create a new resource of type Bar kubectl "${kube_flags[@]}" create -f - "${kube_flags[@]}" << __EOF__ { "kind": "Bar", "apiVersion": "company.com/v1", "metadata": { "name": "test" }, "some-field": "field1", "other-field": "field2" } __EOF__ # Test that we can list this new third party resource kube::test::get_object_assert bars "{{range.items}}{{$id_field}}:{{end}}" 'test:' # Delete the resource kubectl "${kube_flags[@]}" delete bars test # Make sure it's gone kube::test::get_object_assert bars "{{range.items}}{{$id_field}}:{{end}}" '' # teardown kubectl delete thirdpartyresources foo.company.com "${kube_flags[@]}" kubectl delete thirdpartyresources bar.company.com "${kube_flags[@]}" } run_recursive_resources_tests() { ### Create multiple busybox PODs recursively from directory of YAML files # Pre-condition: no POD exists create_and_use_new_namespace kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command output_message=$(! kubectl create -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 PODs are created, and since busybox2 is malformed, it should error kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' kube::test::if_has_string "${output_message}" 'error validating data: kind not set' ## Edit multiple busybox PODs by updating the image field of multiple PODs recursively from a directory. tmp-editor.sh is a fake editor # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command echo -e '#!/bin/bash\nsed -i "s/image: busybox/image: prom\/busybox/g" $1' > /tmp/tmp-editor.sh chmod +x /tmp/tmp-editor.sh output_message=$(! EDITOR=/tmp/tmp-editor.sh kubectl edit -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 PODs are not edited, and since busybox2 is malformed, it should error # The reason why busybox0 & busybox1 PODs are not edited is because the editor tries to load all objects in # a list but since it contains invalid objects, it will never open. kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'busybox:busybox:' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" # cleaning rm /tmp/tmp-editor.sh ## Replace multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl replace -f hack/testdata/recursive/pod-modify --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 PODs are replaced, and since busybox2 is malformed, it should error kube::test::get_object_assert pods "{{range.items}}{{${labels_field}.status}}:{{end}}" 'replaced:replaced:' kube::test::if_has_string "${output_message}" 'error validating data: kind not set' ## Describe multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl describe -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 PODs are described, and since busybox2 is malformed, it should error kube::test::if_has_string "${output_message}" "app=busybox0" kube::test::if_has_string "${output_message}" "app=busybox1" kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Annotate multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl annotate -f hack/testdata/recursive/pod annotatekey='annotatevalue' --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 PODs are annotated, and since busybox2 is malformed, it should error kube::test::get_object_assert pods "{{range.items}}{{${annotations_field}.annotatekey}}:{{end}}" 'annotatevalue:annotatevalue:' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Apply multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl apply -f hack/testdata/recursive/pod-modify --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 PODs are updated, and since busybox2 is malformed, it should error kube::test::get_object_assert pods "{{range.items}}{{${labels_field}.status}}:{{end}}" 'replaced:replaced:' kube::test::if_has_string "${output_message}" 'error validating data: kind not set' ## Convert multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl convert -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 PODs are converted, and since busybox2 is malformed, it should error kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Get multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl get -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}" -o go-template="{{range.items}}{{$id_field}}:{{end}}") # Post-condition: busybox0 & busybox1 PODs are retrieved, but because busybox2 is malformed, it should not show up kube::test::if_has_string "${output_message}" "busybox0:busybox1:" kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Label multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl label -f hack/testdata/recursive/pod mylabel='myvalue' --recursive 2>&1 "${kube_flags[@]}") echo $output_message # Post-condition: busybox0 & busybox1 PODs are labeled, but because busybox2 is malformed, it should not show up kube::test::get_object_assert pods "{{range.items}}{{${labels_field}.mylabel}}:{{end}}" 'myvalue:myvalue:' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Patch multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl patch -f hack/testdata/recursive/pod -p='{"spec":{"containers":[{"name":"busybox","image":"prom/busybox"}]}}' --recursive 2>&1 "${kube_flags[@]}") echo $output_message # Post-condition: busybox0 & busybox1 PODs are patched, but because busybox2 is malformed, it should not show up kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'prom/busybox:prom/busybox:' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ### Delete multiple busybox PODs recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl delete -f hack/testdata/recursive/pod --recursive --grace-period=0 --force 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 PODs are deleted, and since busybox2 is malformed, it should error kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ### Create replication controller recursively from directory of YAML files # Pre-condition: no replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command ! kubectl create -f hack/testdata/recursive/rc --recursive "${kube_flags[@]}" # Post-condition: frontend replication controller is created kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' ### Autoscale multiple replication controllers recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 replication controllers exist & 1 # replica each kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' kube::test::get_object_assert 'rc busybox0' "{{$rc_replicas_field}}" '1' kube::test::get_object_assert 'rc busybox1' "{{$rc_replicas_field}}" '1' # Command output_message=$(! kubectl autoscale --min=1 --max=2 -f hack/testdata/recursive/rc --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox replication controllers are autoscaled # with min. of 1 replica & max of 2 replicas, and since busybox2 is malformed, it should error kube::test::get_object_assert 'hpa busybox0' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 ' kube::test::get_object_assert 'hpa busybox1' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 ' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" kubectl delete hpa busybox0 "${kube_flags[@]}" kubectl delete hpa busybox1 "${kube_flags[@]}" ### Expose multiple replication controllers as service recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 replication controllers exist & 1 # replica each kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' kube::test::get_object_assert 'rc busybox0' "{{$rc_replicas_field}}" '1' kube::test::get_object_assert 'rc busybox1' "{{$rc_replicas_field}}" '1' # Command output_message=$(! kubectl expose -f hack/testdata/recursive/rc --recursive --port=80 2>&1 "${kube_flags[@]}") # Post-condition: service exists and the port is unnamed kube::test::get_object_assert 'service busybox0' "{{$port_name}} {{$port_field}}" ' 80' kube::test::get_object_assert 'service busybox1' "{{$port_name}} {{$port_field}}" ' 80' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ### Scale multiple replication controllers recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 replication controllers exist & 1 # replica each kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' kube::test::get_object_assert 'rc busybox0' "{{$rc_replicas_field}}" '1' kube::test::get_object_assert 'rc busybox1' "{{$rc_replicas_field}}" '1' # Command output_message=$(! kubectl scale --current-replicas=1 --replicas=2 -f hack/testdata/recursive/rc --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 replication controllers are scaled to 2 replicas, and since busybox2 is malformed, it should error kube::test::get_object_assert 'rc busybox0' "{{$rc_replicas_field}}" '2' kube::test::get_object_assert 'rc busybox1' "{{$rc_replicas_field}}" '2' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ### Delete multiple busybox replication controllers recursively from directory of YAML files # Pre-condition: busybox0 & busybox1 PODs exist kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command output_message=$(! kubectl delete -f hack/testdata/recursive/rc --recursive --grace-period=0 --force 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 replication controllers are deleted, and since busybox2 is malformed, it should error kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ### Rollout on multiple deployments recursively # Pre-condition: no deployments exist kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" '' # Command # Create deployments (revision 1) recursively from directory of YAML files ! kubectl create -f hack/testdata/recursive/deployment --recursive "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx0-deployment:nginx1-deployment:' kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_NGINX}:${IMAGE_NGINX}:" ## Rollback the deployments to revision 1 recursively output_message=$(! kubectl rollout undo -f hack/testdata/recursive/deployment --recursive --to-revision=1 2>&1 "${kube_flags[@]}") # Post-condition: nginx0 & nginx1 should be a no-op, and since nginx2 is malformed, it should error kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_NGINX}:${IMAGE_NGINX}:" kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Pause the deployments recursively PRESERVE_ERR_FILE=true kubectl-with-retry rollout pause -f hack/testdata/recursive/deployment --recursive "${kube_flags[@]}" output_message=$(cat ${ERROR_FILE}) # Post-condition: nginx0 & nginx1 should both have paused set to true, and since nginx2 is malformed, it should error kube::test::get_object_assert deployment "{{range.items}}{{.spec.paused}}:{{end}}" "true:true:" kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Resume the deployments recursively kubectl-with-retry rollout resume -f hack/testdata/recursive/deployment --recursive "${kube_flags[@]}" output_message=$(cat ${ERROR_FILE}) # Post-condition: nginx0 & nginx1 should both have paused set to nothing, and since nginx2 is malformed, it should error kube::test::get_object_assert deployment "{{range.items}}{{.spec.paused}}:{{end}}" "::" kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Retrieve the rollout history of the deployments recursively output_message=$(! kubectl rollout history -f hack/testdata/recursive/deployment --recursive 2>&1 "${kube_flags[@]}") # Post-condition: nginx0 & nginx1 should both have a history, and since nginx2 is malformed, it should error kube::test::if_has_string "${output_message}" "nginx0-deployment" kube::test::if_has_string "${output_message}" "nginx1-deployment" kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" # Clean up unset PRESERVE_ERR_FILE rm "${ERROR_FILE}" ! kubectl delete -f hack/testdata/recursive/deployment --recursive "${kube_flags[@]}" --grace-period=0 --force sleep 1 ### Rollout on multiple replication controllers recursively - these tests ensure that rollouts cannot be performed on resources that don't support it # Pre-condition: no replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command # Create replication controllers recursively from directory of YAML files ! kubectl create -f hack/testdata/recursive/rc --recursive "${kube_flags[@]}" kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:' # Command ## Attempt to rollback the replication controllers to revision 1 recursively output_message=$(! kubectl rollout undo -f hack/testdata/recursive/rc --recursive --to-revision=1 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 should error as they are RC's, and since busybox2 is malformed, it should error kube::test::if_has_string "${output_message}" 'no rollbacker has been implemented for {"" "ReplicationController"}' kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" ## Attempt to pause the replication controllers recursively output_message=$(! kubectl rollout pause -f hack/testdata/recursive/rc --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 should error as they are RC's, and since busybox2 is malformed, it should error kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" kube::test::if_has_string "${output_message}" 'replicationcontrollers "busybox0" pausing is not supported' kube::test::if_has_string "${output_message}" 'replicationcontrollers "busybox1" pausing is not supported' ## Attempt to resume the replication controllers recursively output_message=$(! kubectl rollout resume -f hack/testdata/recursive/rc --recursive 2>&1 "${kube_flags[@]}") # Post-condition: busybox0 & busybox1 should error as they are RC's, and since busybox2 is malformed, it should error kube::test::if_has_string "${output_message}" "Object 'Kind' is missing" kube::test::if_has_string "${output_message}" 'replicationcontrollers "busybox0" resuming is not supported' kube::test::if_has_string "${output_message}" 'replicationcontrollers "busybox0" resuming is not supported' # Clean up ! kubectl delete -f hack/testdata/recursive/rc --recursive "${kube_flags[@]}" --grace-period=0 --force sleep 1 } run_namespace_tests() { kube::log::status "Testing kubectl(v1:namespaces)" ### Create a new namespace # Pre-condition: only the "default" namespace exists # The Pre-condition doesn't hold anymore after we create and switch namespaces before creating pods with same name in the test. # kube::test::get_object_assert namespaces "{{range.items}}{{$id_field}}:{{end}}" 'default:' # Command kubectl create namespace my-namespace # Post-condition: namespace 'my-namespace' is created. kube::test::get_object_assert 'namespaces/my-namespace' "{{$id_field}}" 'my-namespace' # Clean up kubectl delete namespace my-namespace ###################### # Pods in Namespaces # ###################### if kube::test::if_supports_resource "${pods}" ; then ### Create a new namespace # Pre-condition: the other namespace does not exist kube::test::get_object_assert 'namespaces' '{{range.items}}{{ if eq $id_field \"other\" }}found{{end}}{{end}}:' ':' # Command kubectl create namespace other # Post-condition: namespace 'other' is created. kube::test::get_object_assert 'namespaces/other' "{{$id_field}}" 'other' ### Create POD valid-pod in specific namespace # Pre-condition: no POD exists kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create "${kube_flags[@]}" --namespace=other -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml # Post-condition: valid-pod POD is created kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Post-condition: verify shorthand `-n other` has the same results as `--namespace=other` kube::test::get_object_assert 'pods -n other' "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Post-condition: a resource cannot be retrieved by name across all namespaces output_message=$(! kubectl get "${kube_flags[@]}" pod valid-pod --all-namespaces 2>&1) kube::test::if_has_string "${output_message}" "a resource cannot be retrieved by name across all namespaces" ### Delete POD valid-pod in specific namespace # Pre-condition: valid-pod POD exists kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command kubectl delete "${kube_flags[@]}" pod --namespace=other valid-pod --grace-period=0 --force # Post-condition: valid-pod POD doesn't exist kube::test::get_object_assert 'pods --namespace=other' "{{range.items}}{{$id_field}}:{{end}}" '' # Clean up kubectl delete namespace other fi } run_secrets_test() { ### Create a new namespace # Pre-condition: the test-secrets namespace does not exist kube::test::get_object_assert 'namespaces' '{{range.items}}{{ if eq $id_field \"test-secrets\" }}found{{end}}{{end}}:' ':' # Command kubectl create namespace test-secrets # Post-condition: namespace 'test-secrets' is created. kube::test::get_object_assert 'namespaces/test-secrets' "{{$id_field}}" 'test-secrets' ### Create a generic secret in a specific namespace # Pre-condition: no SECRET exists kube::test::get_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create secret generic test-secret --from-literal=key1=value1 --type=test-type --namespace=test-secrets # Post-condition: secret exists and has expected values kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$id_field}}" 'test-secret' kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$secret_type}}" 'test-type' [[ "$(kubectl get secret/test-secret --namespace=test-secrets -o yaml "${kube_flags[@]}" | grep 'key1: dmFsdWUx')" ]] # Clean-up kubectl delete secret test-secret --namespace=test-secrets ### Create a docker-registry secret in a specific namespace # Pre-condition: no SECRET exists kube::test::get_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create secret docker-registry test-secret --docker-username=test-user --docker-password=test-password --docker-email='test-user@test.com' --namespace=test-secrets # Post-condition: secret exists and has expected values kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$id_field}}" 'test-secret' kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$secret_type}}" 'kubernetes.io/dockercfg' [[ "$(kubectl get secret/test-secret --namespace=test-secrets -o yaml "${kube_flags[@]}" | grep '.dockercfg:')" ]] # Clean-up kubectl delete secret test-secret --namespace=test-secrets ### Create a tls secret # Pre-condition: no SECRET exists kube::test::get_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create secret tls test-secret --namespace=test-secrets --key=hack/testdata/tls.key --cert=hack/testdata/tls.crt kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$id_field}}" 'test-secret' kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$secret_type}}" 'kubernetes.io/tls' # Clean-up kubectl delete secret test-secret --namespace=test-secrets # Create a secret using stringData kubectl create --namespace=test-secrets -f - "${kube_flags[@]}" << __EOF__ { "kind": "Secret", "apiVersion": "v1", "metadata": { "name": "secret-string-data" }, "data": { "k1":"djE=", "k2":"" }, "stringData": { "k2":"v2" } } __EOF__ # Post-condition: secret-string-data secret is created with expected data, merged/overridden data from stringData, and a cleared stringData field kube::test::get_object_assert 'secret/secret-string-data --namespace=test-secrets ' '{{.data}}' '.*k1:djE=.*' kube::test::get_object_assert 'secret/secret-string-data --namespace=test-secrets ' '{{.data}}' '.*k2:djI=.*' kube::test::get_object_assert 'secret/secret-string-data --namespace=test-secrets ' '{{.stringData}}' '' # Clean up kubectl delete secret secret-string-data --namespace=test-secrets ### Create a secret using output flags # Pre-condition: no secret exists kube::test::get_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" '' # Command [[ "$(kubectl create secret generic test-secret --namespace=test-secrets --from-literal=key1=value1 --output=go-template --template=\"{{.metadata.name}}:\" | grep 'test-secret:')" ]] ## Clean-up kubectl delete secret test-secret --namespace=test-secrets # Clean up kubectl delete namespace test-secrets } run_configmap_tests() { kubectl create -f test/fixtures/doc-yaml/user-guide/configmap/configmap.yaml kube::test::get_object_assert configmap "{{range.items}}{{$id_field}}{{end}}" 'test-configmap' kubectl delete configmap test-configmap "${kube_flags[@]}" ### Create a new namespace # Pre-condition: the test-configmaps namespace does not exist kube::test::get_object_assert 'namespaces' '{{range.items}}{{ if eq $id_field \"test-configmaps\" }}found{{end}}{{end}}:' ':' # Command kubectl create namespace test-configmaps # Post-condition: namespace 'test-configmaps' is created. kube::test::get_object_assert 'namespaces/test-configmaps' "{{$id_field}}" 'test-configmaps' ### Create a generic configmap in a specific namespace # Pre-condition: no configmaps namespace exists kube::test::get_object_assert 'configmaps --namespace=test-configmaps' "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create configmap test-configmap --from-literal=key1=value1 --namespace=test-configmaps # Post-condition: configmap exists and has expected values kube::test::get_object_assert 'configmap/test-configmap --namespace=test-configmaps' "{{$id_field}}" 'test-configmap' [[ "$(kubectl get configmap/test-configmap --namespace=test-configmaps -o yaml "${kube_flags[@]}" | grep 'key1: value1')" ]] # Clean-up kubectl delete configmap test-configmap --namespace=test-configmaps kubectl delete namespace test-configmaps } run_service_tests() { # switch back to the default namespace kubectl config set-context "${CONTEXT}" --namespace="" kube::log::status "Testing kubectl(v1:services)" ### Create redis-master service from JSON # Pre-condition: Only the default kubernetes services exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' # Command kubectl create -f examples/guestbook/redis-master-service.yaml "${kube_flags[@]}" # Post-condition: redis-master service exists kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:' # Describe command should print detailed information kube::test::describe_object_assert services 'redis-master' "Name:" "Labels:" "Selector:" "IP:" "Port:" "Endpoints:" "Session Affinity:" # Describe command should print events information by default kube::test::describe_object_events_assert services 'redis-master' # Describe command should not print events information when show-events=false kube::test::describe_object_events_assert services 'redis-master' false # Describe command should print events information when show-events=true kube::test::describe_object_events_assert services 'redis-master' true # Describe command (resource only) should print detailed information kube::test::describe_resource_assert services "Name:" "Labels:" "Selector:" "IP:" "Port:" "Endpoints:" "Session Affinity:" # Describe command should print events information by default kube::test::describe_resource_events_assert services # Describe command should not print events information when show-events=false kube::test::describe_resource_events_assert services false # Describe command should print events information when show-events=true kube::test::describe_resource_events_assert services true ### set selector # prove role=master kube::test::get_object_assert 'services redis-master' "{{range$service_selector_field}}{{.}}:{{end}}" "redis:master:backend:" # Set command to change the selector. kubectl set selector -f examples/guestbook/redis-master-service.yaml role=padawan # prove role=padawan kube::test::get_object_assert 'services redis-master' "{{range$service_selector_field}}{{.}}:{{end}}" "padawan:" # Set command to reset the selector back to the original one. kubectl set selector -f examples/guestbook/redis-master-service.yaml app=redis,role=master,tier=backend # prove role=master kube::test::get_object_assert 'services redis-master' "{{range$service_selector_field}}{{.}}:{{end}}" "redis:master:backend:" ### Dump current redis-master service output_service=$(kubectl get service redis-master -o json --output-version=v1 "${kube_flags[@]}") ### Delete redis-master-service by id # Pre-condition: redis-master service exists kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:' # Command kubectl delete service redis-master "${kube_flags[@]}" # Post-condition: Only the default kubernetes services exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' ### Create redis-master-service from dumped JSON # Pre-condition: Only the default kubernetes services exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' # Command echo "${output_service}" | kubectl create -f - "${kube_flags[@]}" # Post-condition: redis-master service is created kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:' ### Create redis-master-v1-test service # Pre-condition: redis-master-service service exists kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:' # Command kubectl create -f - "${kube_flags[@]}" << __EOF__ { "kind": "Service", "apiVersion": "v1", "metadata": { "name": "service-v1-test" }, "spec": { "ports": [ { "protocol": "TCP", "port": 80, "targetPort": 80 } ] } } __EOF__ # Post-condition: service-v1-test service is created kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:service-.*-test:' ### Identity kubectl get service "${kube_flags[@]}" service-v1-test -o json | kubectl replace "${kube_flags[@]}" -f - ### Delete services by id # Pre-condition: service-v1-test exists kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:service-.*-test:' # Command kubectl delete service redis-master "${kube_flags[@]}" kubectl delete service "service-v1-test" "${kube_flags[@]}" # Post-condition: Only the default kubernetes services exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' ### Create two services # Pre-condition: Only the default kubernetes services exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' # Command kubectl create -f examples/guestbook/redis-master-service.yaml "${kube_flags[@]}" kubectl create -f examples/guestbook/redis-slave-service.yaml "${kube_flags[@]}" # Post-condition: redis-master and redis-slave services are created kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:redis-slave:' ### Custom columns can be specified # Pre-condition: generate output using custom columns output_message=$(kubectl get services -o=custom-columns=NAME:.metadata.name,RSRC:.metadata.resourceVersion 2>&1 "${kube_flags[@]}") # Post-condition: should contain name column kube::test::if_has_string "${output_message}" 'redis-master' ### Delete multiple services at once # Pre-condition: redis-master and redis-slave services exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:redis-master:redis-slave:' # Command kubectl delete services redis-master redis-slave "${kube_flags[@]}" # delete multiple services at once # Post-condition: Only the default kubernetes services exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' ### Create an ExternalName service # Pre-condition: Only the default kubernetes service exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' # Command kubectl create service externalname beep-boop --external-name bar.com # Post-condition: beep-boop service is created kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'beep-boop:kubernetes:' ### Delete beep-boop service by id # Pre-condition: beep-boop service exists kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'beep-boop:kubernetes:' # Command kubectl delete service beep-boop "${kube_flags[@]}" # Post-condition: Only the default kubernetes services exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' } run_rc_tests() { kube::log::status "Testing kubectl(v1:replicationcontrollers)" ### Create and stop controller, make sure it doesn't leak pods # Pre-condition: no replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" kubectl delete rc frontend "${kube_flags[@]}" # Post-condition: no pods from frontend controller kube::test::get_object_assert 'pods -l "name=frontend"' "{{range.items}}{{$id_field}}:{{end}}" '' ### Create replication controller frontend from JSON # Pre-condition: no replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" # Post-condition: frontend replication controller is created kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:' # Describe command should print detailed information kube::test::describe_object_assert rc 'frontend' "Name:" "Image(s):" "Labels:" "Selector:" "Replicas:" "Pods Status:" # Describe command should print events information by default kube::test::describe_object_events_assert rc 'frontend' # Describe command should not print events information when show-events=false kube::test::describe_object_events_assert rc 'frontend' false # Describe command should print events information when show-events=true kube::test::describe_object_events_assert rc 'frontend' true # Describe command (resource only) should print detailed information kube::test::describe_resource_assert rc "Name:" "Name:" "Image(s):" "Labels:" "Selector:" "Replicas:" "Pods Status:" # Describe command should print events information by default kube::test::describe_resource_events_assert rc # Describe command should not print events information when show-events=false kube::test::describe_resource_events_assert rc false # Describe command should print events information when show-events=true kube::test::describe_resource_events_assert rc true ### Scale replication controller frontend with current-replicas and replicas # Pre-condition: 3 replicas kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '3' # Command kubectl scale --current-replicas=3 --replicas=2 replicationcontrollers frontend "${kube_flags[@]}" # Post-condition: 2 replicas kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2' ### Scale replication controller frontend with (wrong) current-replicas and replicas # Pre-condition: 2 replicas kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2' # Command ! kubectl scale --current-replicas=3 --replicas=2 replicationcontrollers frontend "${kube_flags[@]}" # Post-condition: nothing changed kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2' ### Scale replication controller frontend with replicas only # Pre-condition: 2 replicas kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2' # Command kubectl scale --replicas=3 replicationcontrollers frontend "${kube_flags[@]}" # Post-condition: 3 replicas kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '3' ### Scale replication controller from JSON with replicas only # Pre-condition: 3 replicas kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '3' # Command kubectl scale --replicas=2 -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" # Post-condition: 2 replicas kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '2' # Clean-up kubectl delete rc frontend "${kube_flags[@]}" ### Scale multiple replication controllers kubectl create -f examples/guestbook/legacy/redis-master-controller.yaml "${kube_flags[@]}" kubectl create -f examples/guestbook/legacy/redis-slave-controller.yaml "${kube_flags[@]}" # Command kubectl scale rc/redis-master rc/redis-slave --replicas=4 "${kube_flags[@]}" # Post-condition: 4 replicas each kube::test::get_object_assert 'rc redis-master' "{{$rc_replicas_field}}" '4' kube::test::get_object_assert 'rc redis-slave' "{{$rc_replicas_field}}" '4' # Clean-up kubectl delete rc redis-{master,slave} "${kube_flags[@]}" ### Scale a job kubectl create -f test/fixtures/doc-yaml/user-guide/job.yaml "${kube_flags[@]}" # Command kubectl scale --replicas=2 job/pi # Post-condition: 2 replicas for pi kube::test::get_object_assert 'job pi' "{{$job_parallelism_field}}" '2' # Clean-up kubectl delete job/pi "${kube_flags[@]}" ### Scale a deployment kubectl create -f test/fixtures/doc-yaml/user-guide/deployment.yaml "${kube_flags[@]}" # Command kubectl scale --current-replicas=3 --replicas=1 deployment/nginx-deployment # Post-condition: 1 replica for nginx-deployment kube::test::get_object_assert 'deployment nginx-deployment' "{{$deployment_replicas}}" '1' # Clean-up kubectl delete deployment/nginx-deployment "${kube_flags[@]}" ### Expose a deployment as a service kubectl create -f test/fixtures/doc-yaml/user-guide/deployment.yaml "${kube_flags[@]}" # Pre-condition: 3 replicas kube::test::get_object_assert 'deployment nginx-deployment' "{{$deployment_replicas}}" '3' # Command kubectl expose deployment/nginx-deployment # Post-condition: service exists and exposes deployment port (80) kube::test::get_object_assert 'service nginx-deployment' "{{$port_field}}" '80' # Clean-up kubectl delete deployment/nginx-deployment service/nginx-deployment "${kube_flags[@]}" ### Expose replication controller as service kubectl create -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" # Pre-condition: 3 replicas kube::test::get_object_assert 'rc frontend' "{{$rc_replicas_field}}" '3' # Command kubectl expose rc frontend --port=80 "${kube_flags[@]}" # Post-condition: service exists and the port is unnamed kube::test::get_object_assert 'service frontend' "{{$port_name}} {{$port_field}}" ' 80' # Command kubectl expose service frontend --port=443 --name=frontend-2 "${kube_flags[@]}" # Post-condition: service exists and the port is unnamed kube::test::get_object_assert 'service frontend-2' "{{$port_name}} {{$port_field}}" ' 443' # Command kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}" kubectl expose pod valid-pod --port=444 --name=frontend-3 "${kube_flags[@]}" # Post-condition: service exists and the port is unnamed kube::test::get_object_assert 'service frontend-3' "{{$port_name}} {{$port_field}}" ' 444' # Create a service using service/v1 generator kubectl expose rc frontend --port=80 --name=frontend-4 --generator=service/v1 "${kube_flags[@]}" # Post-condition: service exists and the port is named default. kube::test::get_object_assert 'service frontend-4' "{{$port_name}} {{$port_field}}" 'default 80' # Verify that expose service works without specifying a port. kubectl expose service frontend --name=frontend-5 "${kube_flags[@]}" # Post-condition: service exists with the same port as the original service. kube::test::get_object_assert 'service frontend-5' "{{$port_field}}" '80' # Cleanup services kubectl delete pod valid-pod "${kube_flags[@]}" kubectl delete service frontend{,-2,-3,-4,-5} "${kube_flags[@]}" ### Expose negative invalid resource test # Pre-condition: don't need # Command output_message=$(! kubectl expose nodes 127.0.0.1 2>&1 "${kube_flags[@]}") # Post-condition: the error message has "cannot expose" string kube::test::if_has_string "${output_message}" 'cannot expose' ### Try to generate a service with invalid name (exceeding maximum valid size) # Pre-condition: use --name flag output_message=$(! kubectl expose -f hack/testdata/pod-with-large-name.yaml --name=invalid-large-service-name-that-has-more-than-sixty-three-characters --port=8081 2>&1 "${kube_flags[@]}") # Post-condition: should fail due to invalid name kube::test::if_has_string "${output_message}" 'metadata.name: Invalid value' # Pre-condition: default run without --name flag; should succeed by truncating the inherited name output_message=$(kubectl expose -f hack/testdata/pod-with-large-name.yaml --port=8081 2>&1 "${kube_flags[@]}") # Post-condition: inherited name from pod has been truncated kube::test::if_has_string "${output_message}" '\"kubernetes-serve-hostname-testing-sixty-three-characters-in-len\" exposed' # Clean-up kubectl delete svc kubernetes-serve-hostname-testing-sixty-three-characters-in-len "${kube_flags[@]}" ### Expose multiport object as a new service # Pre-condition: don't use --port flag output_message=$(kubectl expose -f test/fixtures/doc-yaml/admin/high-availability/etcd.yaml --selector=test=etcd 2>&1 "${kube_flags[@]}") # Post-condition: expose succeeded kube::test::if_has_string "${output_message}" '\"etcd-server\" exposed' # Post-condition: generated service has both ports from the exposed pod kube::test::get_object_assert 'service etcd-server' "{{$port_name}} {{$port_field}}" 'port-1 2380' kube::test::get_object_assert 'service etcd-server' "{{$second_port_name}} {{$second_port_field}}" 'port-2 2379' # Clean-up kubectl delete svc etcd-server "${kube_flags[@]}" ### Delete replication controller with id # Pre-condition: frontend replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:' # Command kubectl delete rc frontend "${kube_flags[@]}" # Post-condition: no replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' ### Create two replication controllers # Pre-condition: no replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" kubectl create -f examples/guestbook/legacy/redis-slave-controller.yaml "${kube_flags[@]}" # Post-condition: frontend and redis-slave kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:redis-slave:' ### Delete multiple controllers at once # Pre-condition: frontend and redis-slave kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:redis-slave:' # Command kubectl delete rc frontend redis-slave "${kube_flags[@]}" # delete multiple controllers at once # Post-condition: no replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' ### Auto scale replication controller # Pre-condition: no replication controller exists kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:' # autoscale 1~2 pods, CPU utilization 70%, rc specified by file kubectl autoscale -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" --max=2 --cpu-percent=70 kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 70' kubectl delete hpa frontend "${kube_flags[@]}" # autoscale 1~2 pods, CPU utilization 70%, rc specified by file, using old generator kubectl autoscale -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}" --max=2 --cpu-percent=70 --generator=horizontalpodautoscaler/v1beta1 kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 70' kubectl delete hpa frontend "${kube_flags[@]}" # autoscale 2~3 pods, no CPU utilization specified, rc specified by name kubectl autoscale rc frontend "${kube_flags[@]}" --min=2 --max=3 kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '2 3 ' kubectl delete hpa frontend "${kube_flags[@]}" # autoscale 2~3 pods, no CPU utilization specified, rc specified by name, using old generator kubectl autoscale rc frontend "${kube_flags[@]}" --min=2 --max=3 --generator=horizontalpodautoscaler/v1beta1 kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '2 3 ' kubectl delete hpa frontend "${kube_flags[@]}" # autoscale without specifying --max should fail ! kubectl autoscale rc frontend "${kube_flags[@]}" # Clean up kubectl delete rc frontend "${kube_flags[@]}" ## Set resource limits/request of a deployment # Pre-condition: no deployment exists kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" '' # Set resources of a local file without talking to the server kubectl set resources -f hack/testdata/deployment-multicontainer-resources.yaml -c=perl --limits=cpu=300m --requests=cpu=300m --local -o yaml "${kube_flags[@]}" ! kubectl set resources -f hack/testdata/deployment-multicontainer-resources.yaml -c=perl --limits=cpu=300m --requests=cpu=300m --dry-run -o yaml "${kube_flags[@]}" # Create a deployment kubectl create -f hack/testdata/deployment-multicontainer-resources.yaml "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx-deployment-resources:' kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_second_image_field}}:{{end}}" "${IMAGE_PERL}:" # Set the deployment's cpu limits kubectl set resources deployment nginx-deployment-resources --limits=cpu=100m "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 0).resources.limits.cpu}}:{{end}}" "100m:" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 1).resources.limits.cpu}}:{{end}}" "100m:" # Set a non-existing container should fail ! kubectl set resources deployment nginx-deployment-resources -c=redis --limits=cpu=100m # Set the limit of a specific container in deployment kubectl set resources deployment nginx-deployment-resources -c=nginx --limits=cpu=200m "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 0).resources.limits.cpu}}:{{end}}" "200m:" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 1).resources.limits.cpu}}:{{end}}" "100m:" # Set limits/requests of a deployment specified by a file kubectl set resources -f hack/testdata/deployment-multicontainer-resources.yaml -c=perl --limits=cpu=300m --requests=cpu=300m "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 0).resources.limits.cpu}}:{{end}}" "200m:" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 1).resources.limits.cpu}}:{{end}}" "300m:" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 1).resources.requests.cpu}}:{{end}}" "300m:" # Show dry-run works on running deployments kubectl set resources deployment nginx-deployment-resources -c=perl --limits=cpu=400m --requests=cpu=400m --dry-run -o yaml "${kube_flags[@]}" ! kubectl set resources deployment nginx-deployment-resources -c=perl --limits=cpu=400m --requests=cpu=400m --local -o yaml "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 0).resources.limits.cpu}}:{{end}}" "200m:" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 1).resources.limits.cpu}}:{{end}}" "300m:" kube::test::get_object_assert deployment "{{range.items}}{{(index .spec.template.spec.containers 1).resources.requests.cpu}}:{{end}}" "300m:" # Clean up kubectl delete deployment nginx-deployment-resources "${kube_flags[@]}" } run_deployment_tests() { # Test kubectl create deployment kubectl create deployment test-nginx --image=gcr.io/google-containers/nginx:test-cmd # Post-Condition: Deployment has 2 replicas defined in its spec. kube::test::get_object_assert 'deploy test-nginx' "{{$container_name_field}}" 'nginx' # Clean up kubectl delete deployment test-nginx "${kube_flags[@]}" ### Auto scale deployment # Pre-condition: no deployment exists kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/user-guide/deployment.yaml "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx-deployment:' # autoscale 2~3 pods, no CPU utilization specified kubectl-with-retry autoscale deployment nginx-deployment "${kube_flags[@]}" --min=2 --max=3 kube::test::get_object_assert 'hpa nginx-deployment' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '2 3 ' # Clean up # Note that we should delete hpa first, otherwise it may fight with the deployment reaper. kubectl delete hpa nginx-deployment "${kube_flags[@]}" kubectl delete deployment.extensions nginx-deployment "${kube_flags[@]}" ### Rollback a deployment # Pre-condition: no deployment exists kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" '' # Command # Create a deployment (revision 1) kubectl create -f hack/testdata/deployment-revision1.yaml "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx:' kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" # Rollback to revision 1 - should be no-op kubectl rollout undo deployment nginx --to-revision=1 "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" # Update the deployment (revision 2) kubectl apply -f hack/testdata/deployment-revision2.yaml "${kube_flags[@]}" kube::test::get_object_assert deployment.extensions "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R2}:" # Rollback to revision 1 with dry-run - should be no-op kubectl rollout undo deployment nginx --to-revision=1 --dry-run=true "${kube_flags[@]}" kube::test::get_object_assert deployment.extensions "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R2}:" # Rollback to revision 1 kubectl rollout undo deployment nginx --to-revision=1 "${kube_flags[@]}" sleep 1 kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" # Rollback to revision 1000000 - should be no-op kubectl rollout undo deployment nginx --to-revision=1000000 "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" # Rollback to last revision kubectl rollout undo deployment nginx "${kube_flags[@]}" sleep 1 kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R2}:" # Pause the deployment kubectl-with-retry rollout pause deployment nginx "${kube_flags[@]}" # A paused deployment cannot be rolled back ! kubectl rollout undo deployment nginx "${kube_flags[@]}" # Resume the deployment kubectl-with-retry rollout resume deployment nginx "${kube_flags[@]}" # The resumed deployment can now be rolled back kubectl rollout undo deployment nginx "${kube_flags[@]}" # Check that the new replica set has all old revisions stored in an annotation newrs="$(kubectl describe deployment nginx | grep NewReplicaSet | awk '{print $2}')" kubectl get rs "${newrs}" -o yaml | grep "deployment.kubernetes.io/revision-history: 1,3" # Check that trying to watch the status of a superseded revision returns an error ! kubectl rollout status deployment/nginx --revision=3 cat hack/testdata/deployment-revision1.yaml | $SED "s/name: nginx$/name: nginx2/" | kubectl create -f - "${kube_flags[@]}" # Newest deployment should be marked as overlapping kubectl get deployment nginx2 -o yaml "${kube_flags[@]}" | grep "deployment.kubernetes.io/error-selector-overlapping-with" # Oldest deployment should not be marked as overlapping ! kubectl get deployment nginx -o yaml "${kube_flags[@]}" | grep "deployment.kubernetes.io/error-selector-overlapping-with" # Deletion of both deployments should not be blocked kubectl delete deployment nginx2 "${kube_flags[@]}" # Clean up kubectl delete deployment nginx "${kube_flags[@]}" ### Set image of a deployment # Pre-condition: no deployment exists kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" '' # Create a deployment kubectl create -f hack/testdata/deployment-multicontainer.yaml "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx-deployment:' kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_second_image_field}}:{{end}}" "${IMAGE_PERL}:" # Set the deployment's image kubectl set image deployment nginx-deployment nginx="${IMAGE_DEPLOYMENT_R2}" "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R2}:" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_second_image_field}}:{{end}}" "${IMAGE_PERL}:" # Set non-existing container should fail ! kubectl set image deployment nginx-deployment redis=redis "${kube_flags[@]}" # Set image of deployments without specifying name kubectl set image deployments --all nginx="${IMAGE_DEPLOYMENT_R1}" "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_second_image_field}}:{{end}}" "${IMAGE_PERL}:" # Set image of a deployment specified by file kubectl set image -f hack/testdata/deployment-multicontainer.yaml nginx="${IMAGE_DEPLOYMENT_R2}" "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R2}:" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_second_image_field}}:{{end}}" "${IMAGE_PERL}:" # Set image of a local file without talking to the server kubectl set image -f hack/testdata/deployment-multicontainer.yaml nginx="${IMAGE_DEPLOYMENT_R1}" "${kube_flags[@]}" --local -o yaml kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R2}:" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_second_image_field}}:{{end}}" "${IMAGE_PERL}:" # Set image of all containers of the deployment kubectl set image deployment nginx-deployment "*"="${IMAGE_DEPLOYMENT_R1}" "${kube_flags[@]}" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" kube::test::get_object_assert deployment "{{range.items}}{{$deployment_second_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:" # Clean up kubectl delete deployment nginx-deployment "${kube_flags[@]}" } run_rs_tests() { kube::log::status "Testing kubectl(v1:replicasets)" ### Create and stop a replica set, make sure it doesn't leak pods # Pre-condition: no replica set exists kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/frontend-replicaset.yaml "${kube_flags[@]}" kube::log::status "Deleting rs" kubectl delete rs frontend "${kube_flags[@]}" # Post-condition: no pods from frontend replica set kube::test::get_object_assert 'pods -l "tier=frontend"' "{{range.items}}{{$id_field}}:{{end}}" '' ### Create replica set frontend from YAML # Pre-condition: no replica set exists kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/frontend-replicaset.yaml "${kube_flags[@]}" # Post-condition: frontend replica set is created kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" 'frontend:' # Describe command should print detailed information kube::test::describe_object_assert rs 'frontend' "Name:" "Image(s):" "Labels:" "Selector:" "Replicas:" "Pods Status:" # Describe command should print events information by default kube::test::describe_object_events_assert rs 'frontend' # Describe command should not print events information when show-events=false kube::test::describe_object_events_assert rs 'frontend' false # Describe command should print events information when show-events=true kube::test::describe_object_events_assert rs 'frontend' true # Describe command (resource only) should print detailed information kube::test::describe_resource_assert rs "Name:" "Name:" "Image(s):" "Labels:" "Selector:" "Replicas:" "Pods Status:" # Describe command should print events information by default kube::test::describe_resource_events_assert rs # Describe command should not print events information when show-events=false kube::test::describe_resource_events_assert rs false # Describe command should print events information when show-events=true kube::test::describe_resource_events_assert rs true ### Scale replica set frontend with current-replicas and replicas # Pre-condition: 3 replicas kube::test::get_object_assert 'rs frontend' "{{$rs_replicas_field}}" '3' # Command kubectl scale --current-replicas=3 --replicas=2 replicasets frontend "${kube_flags[@]}" # Post-condition: 2 replicas kube::test::get_object_assert 'rs frontend' "{{$rs_replicas_field}}" '2' # Clean-up kubectl delete rs frontend "${kube_flags[@]}" ### Expose replica set as service kubectl create -f hack/testdata/frontend-replicaset.yaml "${kube_flags[@]}" # Pre-condition: 3 replicas kube::test::get_object_assert 'rs frontend' "{{$rs_replicas_field}}" '3' # Command kubectl expose rs frontend --port=80 "${kube_flags[@]}" # Post-condition: service exists and the port is unnamed kube::test::get_object_assert 'service frontend' "{{$port_name}} {{$port_field}}" ' 80' # Create a service using service/v1 generator kubectl expose rs frontend --port=80 --name=frontend-2 --generator=service/v1 "${kube_flags[@]}" # Post-condition: service exists and the port is named default. kube::test::get_object_assert 'service frontend-2' "{{$port_name}} {{$port_field}}" 'default 80' # Cleanup services kubectl delete service frontend{,-2} "${kube_flags[@]}" ### Delete replica set with id # Pre-condition: frontend replica set exists kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" 'frontend:' # Command kubectl delete rs frontend "${kube_flags[@]}" # Post-condition: no replica set exists kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" '' ### Create two replica sets # Pre-condition: no replica set exists kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/frontend-replicaset.yaml "${kube_flags[@]}" kubectl create -f hack/testdata/redis-slave-replicaset.yaml "${kube_flags[@]}" # Post-condition: frontend and redis-slave kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" 'frontend:redis-slave:' ### Delete multiple replica sets at once # Pre-condition: frontend and redis-slave kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" 'frontend:redis-slave:' # Command kubectl delete rs frontend redis-slave "${kube_flags[@]}" # delete multiple replica sets at once # Post-condition: no replica set exists kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" '' if kube::test::if_supports_resource "${horizontalpodautoscalers}" ; then ### Auto scale replica set # Pre-condition: no replica set exists kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f hack/testdata/frontend-replicaset.yaml "${kube_flags[@]}" kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" 'frontend:' # autoscale 1~2 pods, CPU utilization 70%, replica set specified by file kubectl autoscale -f hack/testdata/frontend-replicaset.yaml "${kube_flags[@]}" --max=2 --cpu-percent=70 kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 70' kubectl delete hpa frontend "${kube_flags[@]}" # autoscale 2~3 pods, no CPU utilization specified, replica set specified by name kubectl autoscale rs frontend "${kube_flags[@]}" --min=2 --max=3 kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '2 3 ' kubectl delete hpa frontend "${kube_flags[@]}" # autoscale without specifying --max should fail ! kubectl autoscale rs frontend "${kube_flags[@]}" # Clean up kubectl delete rs frontend "${kube_flags[@]}" fi } run_multi_resources_tests() { kube::log::status "Testing kubectl(v1:multiple resources)" FILES="hack/testdata/multi-resource-yaml hack/testdata/multi-resource-list hack/testdata/multi-resource-json hack/testdata/multi-resource-rclist hack/testdata/multi-resource-svclist" YAML=".yaml" JSON=".json" for file in $FILES; do if [ -f $file$YAML ] then file=$file$YAML replace_file="${file%.yaml}-modify.yaml" else file=$file$JSON replace_file="${file%.json}-modify.json" fi has_svc=true has_rc=true two_rcs=false two_svcs=false if [[ "${file}" == *rclist* ]]; then has_svc=false two_rcs=true fi if [[ "${file}" == *svclist* ]]; then has_rc=false two_svcs=true fi ### Create, get, describe, replace, label, annotate, and then delete service nginxsvc and replication controller my-nginx from 5 types of files: ### 1) YAML, separated by ---; 2) JSON, with a List type; 3) JSON, with JSON object concatenation ### 4) JSON, with a ReplicationControllerList type; 5) JSON, with a ServiceList type echo "Testing with file ${file} and replace with file ${replace_file}" # Pre-condition: no service (other than default kubernetes services) or replication controller exists kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f "${file}" "${kube_flags[@]}" # Post-condition: mock service (and mock2) exists if [ "$has_svc" = true ]; then if [ "$two_svcs" = true ]; then kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:mock:mock2:' else kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:mock:' fi fi # Post-condition: mock rc (and mock2) exists if [ "$has_rc" = true ]; then if [ "$two_rcs" = true ]; then kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'mock:mock2:' else kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'mock:' fi fi # Command kubectl get -f "${file}" "${kube_flags[@]}" # Command: watching multiple resources should return "not supported" error WATCH_ERROR_FILE="${KUBE_TEMP}/kubectl-watch-error" kubectl get -f "${file}" "${kube_flags[@]}" "--watch" 2> ${WATCH_ERROR_FILE} || true if ! grep -q "watch is only supported on individual resources and resource collections" "${WATCH_ERROR_FILE}"; then kube::log::error_exit "kubectl watch multiple resource returns unexpected error or non-error: $(cat ${WATCH_ERROR_FILE})" "1" fi kubectl describe -f "${file}" "${kube_flags[@]}" # Command kubectl replace -f $replace_file --force --cascade "${kube_flags[@]}" # Post-condition: mock service (and mock2) and mock rc (and mock2) are replaced if [ "$has_svc" = true ]; then kube::test::get_object_assert 'services mock' "{{${labels_field}.status}}" 'replaced' if [ "$two_svcs" = true ]; then kube::test::get_object_assert 'services mock2' "{{${labels_field}.status}}" 'replaced' fi fi if [ "$has_rc" = true ]; then kube::test::get_object_assert 'rc mock' "{{${labels_field}.status}}" 'replaced' if [ "$two_rcs" = true ]; then kube::test::get_object_assert 'rc mock2' "{{${labels_field}.status}}" 'replaced' fi fi # Command: kubectl edit multiple resources temp_editor="${KUBE_TEMP}/tmp-editor.sh" echo -e "#!/bin/bash\n$SED -i \"s/status\:\ replaced/status\:\ edited/g\" \$@" > "${temp_editor}" chmod +x "${temp_editor}" EDITOR="${temp_editor}" kubectl edit "${kube_flags[@]}" -f "${file}" # Post-condition: mock service (and mock2) and mock rc (and mock2) are edited if [ "$has_svc" = true ]; then kube::test::get_object_assert 'services mock' "{{${labels_field}.status}}" 'edited' if [ "$two_svcs" = true ]; then kube::test::get_object_assert 'services mock2' "{{${labels_field}.status}}" 'edited' fi fi if [ "$has_rc" = true ]; then kube::test::get_object_assert 'rc mock' "{{${labels_field}.status}}" 'edited' if [ "$two_rcs" = true ]; then kube::test::get_object_assert 'rc mock2' "{{${labels_field}.status}}" 'edited' fi fi # cleaning rm "${temp_editor}" # Command # We need to set --overwrite, because otherwise, if the first attempt to run "kubectl label" # fails on some, but not all, of the resources, retries will fail because it tries to modify # existing labels. kubectl-with-retry label -f $file labeled=true --overwrite "${kube_flags[@]}" # Post-condition: mock service and mock rc (and mock2) are labeled if [ "$has_svc" = true ]; then kube::test::get_object_assert 'services mock' "{{${labels_field}.labeled}}" 'true' if [ "$two_svcs" = true ]; then kube::test::get_object_assert 'services mock2' "{{${labels_field}.labeled}}" 'true' fi fi if [ "$has_rc" = true ]; then kube::test::get_object_assert 'rc mock' "{{${labels_field}.labeled}}" 'true' if [ "$two_rcs" = true ]; then kube::test::get_object_assert 'rc mock2' "{{${labels_field}.labeled}}" 'true' fi fi # Command # Command # We need to set --overwrite, because otherwise, if the first attempt to run "kubectl annotate" # fails on some, but not all, of the resources, retries will fail because it tries to modify # existing annotations. kubectl-with-retry annotate -f $file annotated=true --overwrite "${kube_flags[@]}" # Post-condition: mock service (and mock2) and mock rc (and mock2) are annotated if [ "$has_svc" = true ]; then kube::test::get_object_assert 'services mock' "{{${annotations_field}.annotated}}" 'true' if [ "$two_svcs" = true ]; then kube::test::get_object_assert 'services mock2' "{{${annotations_field}.annotated}}" 'true' fi fi if [ "$has_rc" = true ]; then kube::test::get_object_assert 'rc mock' "{{${annotations_field}.annotated}}" 'true' if [ "$two_rcs" = true ]; then kube::test::get_object_assert 'rc mock2' "{{${annotations_field}.annotated}}" 'true' fi fi # Cleanup resources created kubectl delete -f "${file}" "${kube_flags[@]}" done ############################# # Multiple Resources via URL# ############################# # Pre-condition: no service (other than default kubernetes services) or replication controller exists kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f https://raw.githubusercontent.com/kubernetes/kubernetes/master/hack/testdata/multi-resource-yaml.yaml "${kube_flags[@]}" # Post-condition: service(mock) and rc(mock) exist kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:mock:' kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'mock:' # Clean up kubectl delete -f https://raw.githubusercontent.com/kubernetes/kubernetes/master/hack/testdata/multi-resource-yaml.yaml "${kube_flags[@]}" # Post-condition: no service (other than default kubernetes services) or replication controller exists kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:' kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" '' } # Runs all kubectl tests. # Requires an env var SUPPORTED_RESOURCES which is a comma separated list of # resources for which tests should be run. runTests() { if [ -z "${SUPPORTED_RESOURCES}" ]; then echo "Need to set SUPPORTED_RESOURCES env var. It is a comma separated list of resources that are supported and hence should be tested. Set it to (*) to test all resources" return fi kube::log::status "Checking kubectl version" kubectl version i=0 create_and_use_new_namespace() { i=$(($i+1)) kube::log::status "Creating namespace" kubectl create namespace "namespace${i}" kubectl config set-context "${CONTEXT}" --namespace="namespace${i}" } kube_flags=( -s "http://127.0.0.1:${API_PORT}" ) if [[ -z "${ALLOW_SKEW:-}" ]]; then kube_flags+=("--match-server-version") fi if kube::test::if_supports_resource "${nodes}" ; then [ "$(kubectl get nodes -o go-template='{{ .apiVersion }}' "${kube_flags[@]}")" == "v1" ] fi id_field=".metadata.name" labels_field=".metadata.labels" annotations_field=".metadata.annotations" service_selector_field=".spec.selector" rc_replicas_field=".spec.replicas" rc_status_replicas_field=".status.replicas" rc_container_image_field=".spec.template.spec.containers" rs_replicas_field=".spec.replicas" port_field="(index .spec.ports 0).port" port_name="(index .spec.ports 0).name" second_port_field="(index .spec.ports 1).port" second_port_name="(index .spec.ports 1).name" image_field="(index .spec.containers 0).image" container_name_field="(index .spec.template.spec.containers 0).name" hpa_min_field=".spec.minReplicas" hpa_max_field=".spec.maxReplicas" hpa_cpu_field=".spec.targetCPUUtilizationPercentage" statefulset_replicas_field=".spec.replicas" job_parallelism_field=".spec.parallelism" deployment_replicas=".spec.replicas" secret_data=".data" secret_type=".type" deployment_image_field="(index .spec.template.spec.containers 0).image" deployment_second_image_field="(index .spec.template.spec.containers 1).image" change_cause_annotation='.*kubernetes.io/change-cause.*' pdb_min_available=".spec.minAvailable" # Make sure "default" namespace exists. if kube::test::if_supports_resource "${namespaces}" ; then output_message=$(kubectl get "${kube_flags[@]}" namespaces) if [[ ! $(echo "${output_message}" | grep "default") ]]; then # Create default namespace kubectl create "${kube_flags[@]}" ns default fi fi # Make sure "kubernetes" service exists. if kube::test::if_supports_resource "${services}" ; then output_message=$(kubectl get "${kube_flags[@]}" svc) if [[ ! $(echo "${output_message}" | grep "kubernetes") ]]; then # Create kubernetes service kubectl create "${kube_flags[@]}" -f hack/testdata/kubernetes-service.yaml fi fi # Passing no arguments to create is an error ! kubectl create ####################### # kubectl config set # ####################### kube::log::status "Testing kubectl(v1:config set)" kubectl config set-cluster test-cluster --server="https://does-not-work" # Get the api cert and add a comment to avoid flag parsing problems cert_data=$(echo "#Comment" && cat "${TMPDIR:-/tmp}/apiserver.crt") kubectl config set clusters.test-cluster.certificate-authority-data "$cert_data" --set-raw-bytes r_writen=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster")].cluster.certificate-authority-data}') encoded=$(echo -n "$cert_data" | base64) kubectl config set clusters.test-cluster.certificate-authority-data "$encoded" e_writen=$(kubectl config view --raw -o jsonpath='{.clusters[?(@.name == "test-cluster")].cluster.certificate-authority-data}') test "$e_writen" == "$r_writen" ####################### # kubectl local proxy # ####################### # Make sure the UI can be proxied start-proxy check-curl-proxy-code /ui 301 check-curl-proxy-code /api/ui 404 check-curl-proxy-code /api/v1/namespaces 200 if kube::test::if_supports_resource "${metrics}" ; then check-curl-proxy-code /metrics 200 fi if kube::test::if_supports_resource "${static}" ; then check-curl-proxy-code /static/ 200 fi stop-proxy # Make sure the in-development api is accessible by default start-proxy check-curl-proxy-code /apis 200 check-curl-proxy-code /apis/extensions/ 200 stop-proxy # Custom paths let you see everything. start-proxy /custom check-curl-proxy-code /custom/ui 301 if kube::test::if_supports_resource "${metrics}" ; then check-curl-proxy-code /custom/metrics 200 fi check-curl-proxy-code /custom/api/v1/namespaces 200 stop-proxy ######################### # RESTMapper evaluation # ######################### kube::log::status "Testing RESTMapper" RESTMAPPER_ERROR_FILE="${KUBE_TEMP}/restmapper-error" ### Non-existent resource type should give a recognizeable error # Pre-condition: None # Command kubectl get "${kube_flags[@]}" unknownresourcetype 2>${RESTMAPPER_ERROR_FILE} || true if grep -q "the server doesn't have a resource type" "${RESTMAPPER_ERROR_FILE}"; then kube::log::status "\"kubectl get unknownresourcetype\" returns error as expected: $(cat ${RESTMAPPER_ERROR_FILE})" else kube::log::status "\"kubectl get unknownresourcetype\" returns unexpected error or non-error: $(cat ${RESTMAPPER_ERROR_FILE})" exit 1 fi rm "${RESTMAPPER_ERROR_FILE}" # Post-condition: None kubectl get "${kube_flags[@]}" --raw /version if kube::test::if_supports_resource "${clusterroles}" ; then # make sure the server was properly bootstrapped with clusterroles and bindings kube::test::get_object_assert clusterroles/cluster-admin "{{.metadata.name}}" 'cluster-admin' kube::test::get_object_assert clusterrolebindings/cluster-admin "{{.metadata.name}}" 'cluster-admin' kubectl create "${kube_flags[@]}" clusterrolebinding super-admin --clusterrole=admin --user=super-admin kube::test::get_object_assert clusterrolebinding/super-admin "{{range.subjects}}{{.name}}:{{end}}" 'super-admin:' kubectl create "${kube_flags[@]}" clusterrolebinding super-group --clusterrole=admin --group=the-group kube::test::get_object_assert clusterrolebinding/super-group "{{range.subjects}}{{.name}}:{{end}}" 'the-group:' kubectl create "${kube_flags[@]}" clusterrolebinding super-sa --clusterrole=admin --serviceaccount=otherns:sa-name kube::test::get_object_assert clusterrolebinding/super-sa "{{range.subjects}}{{.namespace}}:{{end}}" 'otherns:' kube::test::get_object_assert clusterrolebinding/super-sa "{{range.subjects}}{{.name}}:{{end}}" 'sa-name:' kubectl create "${kube_flags[@]}" rolebinding admin --clusterrole=admin --user=default-admin -n default kube::test::get_object_assert rolebinding/admin "{{range.subjects}}{{.name}}:{{end}}" 'default-admin:' kubectl create "${kube_flags[@]}" rolebinding localrole --role=localrole --group=the-group -n default kube::test::get_object_assert rolebinding/localrole "{{range.subjects}}{{.name}}:{{end}}" 'the-group:' kubectl create "${kube_flags[@]}" rolebinding sarole --role=localrole --serviceaccount=otherns:sa-name -n default kube::test::get_object_assert rolebinding/sarole "{{range.subjects}}{{.namespace}}:{{end}}" 'otherns:' kube::test::get_object_assert rolebinding/sarole "{{range.subjects}}{{.name}}:{{end}}" 'sa-name:' fi ########################### # POD creation / deletion # ########################### if kube::test::if_supports_resource "${pods}" ; then run_pod_tests fi if kube::test::if_supports_resource "${pods}" ; then run_save_config_tests fi if kube::test::if_supports_resource "${pods}" ; then ## kubectl create should not panic on empty string lists in a template ERROR_FILE="${KUBE_TEMP}/validation-error" kubectl create -f hack/testdata/invalid-rc-with-empty-args.yaml "${kube_flags[@]}" 2> "${ERROR_FILE}" || true # Post-condition: should get an error reporting the empty string if grep -q "unexpected nil value for field" "${ERROR_FILE}"; then kube::log::status "\"kubectl create with empty string list returns error as expected: $(cat ${ERROR_FILE})" else kube::log::status "\"kubectl create with empty string list returns unexpected error or non-error: $(cat ${ERROR_FILE})" exit 1 fi rm "${ERROR_FILE}" fi if kube::test::if_supports_resource "${pods}" ; then # TODO: Move apply tests to run on rs instead of pods so that they can be # run for federation apiserver as well. run_kubectl_apply_tests run_kubectl_run_tests fi ############### # Kubectl get # ############### if kube::test::if_supports_resource "${pods}" ; then # TODO: Move get tests to run on rs instead of pods so that they can be # TODO: Move get tests to run on rs instead of pods so that they can be # run for federation apiserver as well. run_kubectl_get_tests fi ################## # Global timeout # ################## if kube::test::if_supports_resource "${pods}" ; then # TODO: Move request timeout tests to run on rs instead of pods so that they # can be run for federation apiserver as well. run_kubectl_request_timeout_tests fi ##################################### # Third Party Resources # ##################################### if kube::test::if_supports_resource "${thirdpartyresources}" ; then run_tpr_tests fi ################# # Run cmd w img # ################# if kube::test::if_supports_resource "${deployments}" ; then # Test that a valid image reference value is provided as the value of --image in `kubectl run --image` output_message=$(kubectl run test1 --image=validname) kube::test::if_has_string "${output_message}" 'deployment "test1" created' kubectl delete deployments test1 # test invalid image name output_message=$(! kubectl run test2 --image=InvalidImageName 2>&1) kube::test::if_has_string "${output_message}" 'error: Invalid image name "InvalidImageName": invalid reference format' fi ##################################### # Recursive Resources via directory # ##################################### if kube::test::if_supports_resource "${pods}" ; then run_recursive_resources_tests fi ############## # Namespaces # ############## if kube::test::if_supports_resource "${namespaces}" ; then run_namespace_tests fi ########### # Secrets # ########### if kube::test::if_supports_resource "${namespaces}" ; then if kube::test::if_supports_resource "${secrets}" ; then run_secrets_test fi fi ###################### # ConfigMap # ###################### if kube::test::if_supports_resource "${namespaces}"; then if kube::test::if_supports_resource "${configmaps}" ; then run_configmap_tests fi fi #################### # Client Config # #################### # Command # Pre-condition: kubeconfig "missing" is not a file or directory output_message=$(! kubectl get pod --context="" --kubeconfig=missing 2>&1) kube::test::if_has_string "${output_message}" "missing: no such file or directory" # Pre-condition: kubeconfig "missing" is not a file or directory # Command output_message=$(! kubectl get pod --user="" --kubeconfig=missing 2>&1) # Post-condition: --user contains a valid / empty value, missing config file returns error kube::test::if_has_string "${output_message}" "missing: no such file or directory" # Command output_message=$(! kubectl get pod --cluster="" --kubeconfig=missing 2>&1) # Post-condition: --cluster contains a "valid" value, missing config file returns error kube::test::if_has_string "${output_message}" "missing: no such file or directory" # Pre-condition: context "missing-context" does not exist # Command output_message=$(! kubectl get pod --context="missing-context" 2>&1) kube::test::if_has_string "${output_message}" 'context "missing-context" does not exist' # Post-condition: invalid or missing context returns error # Pre-condition: cluster "missing-cluster" does not exist # Command output_message=$(! kubectl get pod --cluster="missing-cluster" 2>&1) kube::test::if_has_string "${output_message}" 'cluster "missing-cluster" does not exist' # Post-condition: invalid or missing cluster returns error # Pre-condition: user "missing-user" does not exist # Command output_message=$(! kubectl get pod --user="missing-user" 2>&1) kube::test::if_has_string "${output_message}" 'auth info "missing-user" does not exist' # Post-condition: invalid or missing user returns error # test invalid config kubectl config view | sed -E "s/apiVersion: .*/apiVersion: v-1/g" > "${TMPDIR:-/tmp}"/newconfig.yaml output_message=$(! "${KUBE_OUTPUT_HOSTBIN}/kubectl" get pods --context="" --user="" --kubeconfig="${TMPDIR:-/tmp}"/newconfig.yaml 2>&1) kube::test::if_has_string "${output_message}" "Error loading config file" output_message=$(! kubectl get pod --kubeconfig=missing-config 2>&1) kube::test::if_has_string "${output_message}" 'no such file or directory' #################### # Service Accounts # #################### if kube::test::if_supports_resource "${namespaces}" && kube::test::if_supports_resource "${serviceaccounts}" ; then ### Create a new namespace # Pre-condition: the test-service-accounts namespace does not exist kube::test::get_object_assert 'namespaces' '{{range.items}}{{ if eq $id_field \"test-service-accounts\" }}found{{end}}{{end}}:' ':' # Command kubectl create namespace test-service-accounts # Post-condition: namespace 'test-service-accounts' is created. kube::test::get_object_assert 'namespaces/test-service-accounts' "{{$id_field}}" 'test-service-accounts' ### Create a service account in a specific namespace # Command kubectl create serviceaccount test-service-account --namespace=test-service-accounts # Post-condition: secret exists and has expected values kube::test::get_object_assert 'serviceaccount/test-service-account --namespace=test-service-accounts' "{{$id_field}}" 'test-service-account' # Clean-up kubectl delete serviceaccount test-service-account --namespace=test-service-accounts # Clean up kubectl delete namespace test-service-accounts fi ################# # Pod templates # ################# if kube::test::if_supports_resource "${podtemplates}" ; then ### Create PODTEMPLATE # Pre-condition: no PODTEMPLATE kube::test::get_object_assert podtemplates "{{range.items}}{{.metadata.name}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/user-guide/walkthrough/podtemplate.json "${kube_flags[@]}" # Post-condition: nginx PODTEMPLATE is available kube::test::get_object_assert podtemplates "{{range.items}}{{.metadata.name}}:{{end}}" 'nginx:' ### Printing pod templates works kubectl get podtemplates "${kube_flags[@]}" [[ "$(kubectl get podtemplates -o yaml "${kube_flags[@]}" | grep nginx)" ]] ### Delete nginx pod template by name # Pre-condition: nginx pod template is available kube::test::get_object_assert podtemplates "{{range.items}}{{.metadata.name}}:{{end}}" 'nginx:' # Command kubectl delete podtemplate nginx "${kube_flags[@]}" # Post-condition: No templates exist kube::test::get_object_assert podtemplate "{{range.items}}{{.metadata.name}}:{{end}}" '' fi ############ # Services # ############ if kube::test::if_supports_resource "${services}" ; then run_service_tests fi ########################### # Replication controllers # ########################### if kube::test::if_supports_resource "${namespaces}" ; then if kube::test::if_supports_resource "${replicationcontrollers}" ; then run_rc_tests fi fi ###################### # Deployments # ###################### if kube::test::if_supports_resource "${deployments}" ; then run_deployment_tests fi ###################### # Replica Sets # ###################### if kube::test::if_supports_resource "${replicasets}" ; then run_rs_tests fi ################# # Stateful Sets # ################# if kube::test::if_supports_resource "${statefulsets}" ; then kube::log::status "Testing kubectl(v1:statefulsets)" ### Create and stop statefulset, make sure it doesn't leak pods # Pre-condition: no statefulset exists kube::test::get_object_assert statefulset "{{range.items}}{{$id_field}}:{{end}}" '' # Command: create statefulset kubectl create -f hack/testdata/nginx-statefulset.yaml "${kube_flags[@]}" ### Scale statefulset test with current-replicas and replicas # Pre-condition: 0 replicas kube::test::get_object_assert 'statefulset nginx' "{{$statefulset_replicas_field}}" '0' # Command: Scale up kubectl scale --current-replicas=0 --replicas=1 statefulset nginx "${kube_flags[@]}" # Post-condition: 1 replica, named nginx-0 kube::test::get_object_assert 'statefulset nginx' "{{$statefulset_replicas_field}}" '1' # Typically we'd wait and confirm that N>1 replicas are up, but this framework # doesn't start the scheduler, so pet-0 will block all others. # TODO: test robust scaling in an e2e. wait-for-pods-with-label "app=nginx-statefulset" "nginx-0" ### Clean up kubectl delete -f hack/testdata/nginx-statefulset.yaml "${kube_flags[@]}" # Post-condition: no pods from statefulset controller wait-for-pods-with-label "app=nginx-statefulset" "" fi ###################### # Lists # ###################### if kube::test::if_supports_resource "${services}" ; then if kube::test::if_supports_resource "${deployments}" ; then kube::log::status "Testing kubectl(v1:lists)" ### Create a List with objects from multiple versions # Command kubectl create -f hack/testdata/list.yaml "${kube_flags[@]}" ### Delete the List with objects from multiple versions # Command kubectl delete service/list-service-test deployment/list-deployment-test fi fi ###################### # Multiple Resources # ###################### if kube::test::if_supports_resource "${services}" ; then if kube::test::if_supports_resource "${replicationcontrollers}" ; then run_multi_resources_tests fi fi ###################### # Persistent Volumes # ###################### if kube::test::if_supports_resource "${persistentvolumes}" ; then ### Create and delete persistent volume examples # Pre-condition: no persistent volumes currently exist kube::test::get_object_assert pv "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/user-guide/persistent-volumes/volumes/local-01.yaml "${kube_flags[@]}" kube::test::get_object_assert pv "{{range.items}}{{$id_field}}:{{end}}" 'pv0001:' kubectl delete pv pv0001 "${kube_flags[@]}" kubectl create -f test/fixtures/doc-yaml/user-guide/persistent-volumes/volumes/local-02.yaml "${kube_flags[@]}" kube::test::get_object_assert pv "{{range.items}}{{$id_field}}:{{end}}" 'pv0002:' kubectl delete pv pv0002 "${kube_flags[@]}" kubectl create -f test/fixtures/doc-yaml/user-guide/persistent-volumes/volumes/gce.yaml "${kube_flags[@]}" kube::test::get_object_assert pv "{{range.items}}{{$id_field}}:{{end}}" 'pv0003:' kubectl delete pv pv0003 "${kube_flags[@]}" # Post-condition: no PVs kube::test::get_object_assert pv "{{range.items}}{{$id_field}}:{{end}}" '' fi ############################ # Persistent Volume Claims # ############################ if kube::test::if_supports_resource "${persistentvolumeclaims}" ; then ### Create and delete persistent volume claim examples # Pre-condition: no persistent volume claims currently exist kube::test::get_object_assert pvc "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f test/fixtures/doc-yaml/user-guide/persistent-volumes/claims/claim-01.yaml "${kube_flags[@]}" kube::test::get_object_assert pvc "{{range.items}}{{$id_field}}:{{end}}" 'myclaim-1:' kubectl delete pvc myclaim-1 "${kube_flags[@]}" kubectl create -f test/fixtures/doc-yaml/user-guide/persistent-volumes/claims/claim-02.yaml "${kube_flags[@]}" kube::test::get_object_assert pvc "{{range.items}}{{$id_field}}:{{end}}" 'myclaim-2:' kubectl delete pvc myclaim-2 "${kube_flags[@]}" kubectl create -f test/fixtures/doc-yaml/user-guide/persistent-volumes/claims/claim-03.json "${kube_flags[@]}" kube::test::get_object_assert pvc "{{range.items}}{{$id_field}}:{{end}}" 'myclaim-3:' kubectl delete pvc myclaim-3 "${kube_flags[@]}" # Post-condition: no PVCs kube::test::get_object_assert pvc "{{range.items}}{{$id_field}}:{{end}}" '' fi ############################ # Storage Classes # ############################ if kube::test::if_supports_resource "${storageclass}" ; then ### Create and delete storage class # Pre-condition: no storage classes currently exist kube::test::get_object_assert storageclass "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create -f - "${kube_flags[@]}" << __EOF__ { "kind": "StorageClass", "apiVersion": "storage.k8s.io/v1beta1", "metadata": { "name": "storage-class-name" }, "provisioner": "kubernetes.io/fake-provisioner-type", "parameters": { "zone":"us-east-1b", "type":"ssd" } } __EOF__ kube::test::get_object_assert storageclass "{{range.items}}{{$id_field}}:{{end}}" 'storage-class-name:' kubectl delete storageclass storage-class-name "${kube_flags[@]}" # Post-condition: no storage classes kube::test::get_object_assert storageclass "{{range.items}}{{$id_field}}:{{end}}" '' fi ######### # Nodes # ######### if kube::test::if_supports_resource "${nodes}" ; then kube::log::status "Testing kubectl(v1:nodes)" kube::test::get_object_assert nodes "{{range.items}}{{$id_field}}:{{end}}" '127.0.0.1:' kube::test::describe_object_assert nodes "127.0.0.1" "Name:" "Labels:" "CreationTimestamp:" "Conditions:" "Addresses:" "Capacity:" "Pods:" # Describe command should print events information by default kube::test::describe_object_events_assert nodes "127.0.0.1" # Describe command should not print events information when show-events=false kube::test::describe_object_events_assert nodes "127.0.0.1" false # Describe command should print events information when show-events=true kube::test::describe_object_events_assert nodes "127.0.0.1" true # Describe command (resource only) should print detailed information kube::test::describe_resource_assert nodes "Name:" "Labels:" "CreationTimestamp:" "Conditions:" "Addresses:" "Capacity:" "Pods:" # Describe command should print events information by default kube::test::describe_resource_events_assert nodes # Describe command should not print events information when show-events=false kube::test::describe_resource_events_assert nodes false # Describe command should print events information when show-events=true kube::test::describe_resource_events_assert nodes true ### kubectl patch update can mark node unschedulable # Pre-condition: node is schedulable kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '' kubectl patch "${kube_flags[@]}" nodes "127.0.0.1" -p='{"spec":{"unschedulable":true}}' # Post-condition: node is unschedulable kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" 'true' kubectl patch "${kube_flags[@]}" nodes "127.0.0.1" -p='{"spec":{"unschedulable":null}}' # Post-condition: node is schedulable kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '' # check webhook token authentication endpoint, kubectl doesn't actually display the returned object so this isn't super useful # but it proves that works kubectl create -f test/fixtures/pkg/kubectl/cmd/create/tokenreview.json --validate=false fi ######################## # authorization.k8s.io # ######################## if kube::test::if_supports_resource "${subjectaccessreviews}" ; then # check remote authorization endpoint, kubectl doesn't actually display the returned object so this isn't super useful # but it proves that works kubectl create -f test/fixtures/pkg/kubectl/cmd/create/sar.json --validate=false SAR_RESULT_FILE="${KUBE_TEMP}/sar-result.json" curl -k -H "Content-Type:" http://localhost:8080/apis/authorization.k8s.io/v1beta1/subjectaccessreviews -XPOST -d @test/fixtures/pkg/kubectl/cmd/create/sar.json > "${SAR_RESULT_FILE}" if grep -q '"allowed": true' "${SAR_RESULT_FILE}"; then kube::log::status "\"authorization.k8s.io/subjectaccessreviews\" returns as expected: $(cat "${SAR_RESULT_FILE}")" else kube::log::status "\"authorization.k8s.io/subjectaccessreviews\" does not return as expected: $(cat "${SAR_RESULT_FILE}")" exit 1 fi rm "${SAR_RESULT_FILE}" fi ##################### # Retrieve multiple # ##################### if kube::test::if_supports_resource "${nodes}" ; then if kube::test::if_supports_resource "${services}" ; then kube::log::status "Testing kubectl(v1:multiget)" kube::test::get_object_assert 'nodes/127.0.0.1 service/kubernetes' "{{range.items}}{{$id_field}}:{{end}}" '127.0.0.1:kubernetes:' fi fi ##################### # Resource aliasing # ##################### if kube::test::if_supports_resource "${services}" ; then if kube::test::if_supports_resource "${replicationcontrollers}" ; then kube::log::status "Testing resource aliasing" kubectl create -f examples/storage/cassandra/cassandra-controller.yaml "${kube_flags[@]}" kubectl create -f examples/storage/cassandra/cassandra-service.yaml "${kube_flags[@]}" object="all -l'app=cassandra'" request="{{range.items}}{{range .metadata.labels}}{{.}}:{{end}}{{end}}" # all 4 cassandra's might not be in the request immediately... kube::test::get_object_assert "$object" "$request" 'cassandra:cassandra:cassandra:cassandra:' || \ kube::test::get_object_assert "$object" "$request" 'cassandra:cassandra:cassandra:' || \ kube::test::get_object_assert "$object" "$request" 'cassandra:cassandra:' kubectl delete all -l app=cassandra "${kube_flags[@]}" fi fi ########### # Explain # ########### if kube::test::if_supports_resource "${pods}" ; then kube::log::status "Testing kubectl(v1:explain)" kubectl explain pods # shortcuts work kubectl explain po kubectl explain po.status.message fi ########### # Swagger # ########### # Verify schema file="${KUBE_TEMP}/schema-v1.json" curl -s "http://127.0.0.1:${API_PORT}/swaggerapi/api/v1" > "${file}" [[ "$(grep "list of returned" "${file}")" ]] [[ "$(grep "List of services" "${file}")" ]] [[ "$(grep "Watch for changes to the described resources" "${file}")" ]] ##################### # Kubectl --sort-by # ##################### if kube::test::if_supports_resource "${pods}" ; then ### sort-by should not panic if no pod exists # Pre-condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl get pods --sort-by="{metadata.name}" kubectl get pods --sort-by="{metadata.creationTimestamp}" fi ############################ # Kubectl --all-namespaces # ############################ if kube::test::if_supports_resource "${pods}" ; then # Pre-condition: the "default" namespace exists kube::test::get_object_assert namespaces "{{range.items}}{{if eq $id_field \\\"default\\\"}}{{$id_field}}:{{end}}{{end}}" 'default:' ### Create POD # Pre-condition: no POD exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' # Command kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml # Post-condition: valid-pod is created kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' ### Verify a specific namespace is ignored when all-namespaces is provided # Command kubectl get pods --all-namespaces --namespace=default ### Clean up # Pre-condition: valid-pod exists kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:' # Command kubectl delete "${kube_flags[@]}" pod valid-pod --grace-period=0 --force # Post-condition: valid-pod doesn't exist kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" '' fi ################ # Certificates # ################ if kube::test::if_supports_resource "${csr}" ; then # approve kubectl create -f hack/testdata/csr.yml "${kube_flags[@]}" kube::test::get_object_assert 'csr/foo' '{{range.status.conditions}}{{.type}}{{end}}' '' kubectl certificate approve foo "${kube_flags[@]}" kubectl get csr "${kube_flags[@]}" -o json kube::test::get_object_assert 'csr/foo' '{{range.status.conditions}}{{.type}}{{end}}' 'Approved' kubectl delete -f hack/testdata/csr.yml "${kube_flags[@]}" kube::test::get_object_assert csr "{{range.items}}{{$id_field}}{{end}}" '' kubectl create -f hack/testdata/csr.yml "${kube_flags[@]}" kube::test::get_object_assert 'csr/foo' '{{range.status.conditions}}{{.type}}{{end}}' '' kubectl certificate approve -f hack/testdata/csr.yml "${kube_flags[@]}" kubectl get csr "${kube_flags[@]}" -o json kube::test::get_object_assert 'csr/foo' '{{range.status.conditions}}{{.type}}{{end}}' 'Approved' kubectl delete -f hack/testdata/csr.yml "${kube_flags[@]}" kube::test::get_object_assert csr "{{range.items}}{{$id_field}}{{end}}" '' # deny kubectl create -f hack/testdata/csr.yml "${kube_flags[@]}" kube::test::get_object_assert 'csr/foo' '{{range.status.conditions}}{{.type}}{{end}}' '' kubectl certificate deny foo "${kube_flags[@]}" kubectl get csr "${kube_flags[@]}" -o json kube::test::get_object_assert 'csr/foo' '{{range.status.conditions}}{{.type}}{{end}}' 'Denied' kubectl delete -f hack/testdata/csr.yml "${kube_flags[@]}" kube::test::get_object_assert csr "{{range.items}}{{$id_field}}{{end}}" '' kubectl create -f hack/testdata/csr.yml "${kube_flags[@]}" kube::test::get_object_assert 'csr/foo' '{{range.status.conditions}}{{.type}}{{end}}' '' kubectl certificate deny -f hack/testdata/csr.yml "${kube_flags[@]}" kubectl get csr "${kube_flags[@]}" -o json kube::test::get_object_assert 'csr/foo' '{{range.status.conditions}}{{.type}}{{end}}' 'Denied' kubectl delete -f hack/testdata/csr.yml "${kube_flags[@]}" kube::test::get_object_assert csr "{{range.items}}{{$id_field}}{{end}}" '' fi kube::test::clear_all }