361 lines
15 KiB
Bash
361 lines
15 KiB
Bash
# Copyright 2014 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# required:
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# KUBE_ROOT: path of the root of the Kubernetes reposiitory
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# optional override
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# FEDERATION_IMAGE_REPO_BASE: repo which federated images are tagged under (default gcr.io/google_containers)
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# FEDERATION_NAMESPACE: name of the namespace will created for the federated components in the underlying cluster.
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# KUBE_PLATFORM
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# KUBE_ARCH
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# KUBE_BUILD_STAGE
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: "${KUBE_ROOT?Must set KUBE_ROOT env var}"
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# Provides the $KUBERNETES_PROVIDER variable and detect-project function
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source "${KUBE_ROOT}/cluster/kube-util.sh"
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# If $FEDERATION_PUSH_REPO_BASE isn't set, then set the GCR registry name
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# based on the detected project name for gce and gke providers.
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FEDERATION_PUSH_REPO_BASE=${FEDERATION_PUSH_REPO_BASE:-}
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if [[ -z "${FEDERATION_PUSH_REPO_BASE}" ]]; then
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if [[ "${KUBERNETES_PROVIDER}" == "gke" || "${KUBERNETES_PROVIDER}" == "gce" ]]; then
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# Populates $PROJECT
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detect-project
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if [[ ${PROJECT} == *':'* ]]; then
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echo "${PROJECT} contains ':' and can not be used as FEDERATION_PUSH_REPO_BASE. Please set FEDERATION_PUSH_REPO_BASE explicitly."
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exit 1
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fi
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FEDERATION_PUSH_REPO_BASE=gcr.io/${PROJECT}
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else
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echo "Must set FEDERATION_PUSH_REPO_BASE env var"
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exit 1
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fi
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fi
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FEDERATION_IMAGE_REPO_BASE=${FEDERATION_IMAGE_REPO_BASE:-'gcr.io/google_containers'}
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FEDERATION_NAMESPACE=${FEDERATION_NAMESPACE:-federation-system}
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KUBE_PLATFORM=${KUBE_PLATFORM:-linux}
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KUBE_ARCH=${KUBE_ARCH:-amd64}
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KUBE_BUILD_STAGE=${KUBE_BUILD_STAGE:-release-stage}
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source "${KUBE_ROOT}/cluster/common.sh"
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host_kubectl="${KUBE_ROOT}/cluster/kubectl.sh --namespace=${FEDERATION_NAMESPACE}"
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# required:
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# FEDERATION_PUSH_REPO_BASE: repo to which federated container images will be pushed
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# FEDERATION_IMAGE_TAG: reference and pull all federated images with this tag.
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function create-federation-api-objects {
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(
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: "${FEDERATION_PUSH_REPO_BASE?Must set FEDERATION_PUSH_REPO_BASE env var}"
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: "${FEDERATION_IMAGE_TAG?Must set FEDERATION_IMAGE_TAG env var}"
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export FEDERATION_APISERVER_DEPLOYMENT_NAME="federation-apiserver"
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export FEDERATION_APISERVER_IMAGE_REPO="${FEDERATION_PUSH_REPO_BASE}/hyperkube-amd64"
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export FEDERATION_APISERVER_IMAGE_TAG="${FEDERATION_IMAGE_TAG}"
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export FEDERATION_CONTROLLER_MANAGER_DEPLOYMENT_NAME="federation-controller-manager"
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export FEDERATION_CONTROLLER_MANAGER_IMAGE_REPO="${FEDERATION_PUSH_REPO_BASE}/hyperkube-amd64"
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export FEDERATION_CONTROLLER_MANAGER_IMAGE_TAG="${FEDERATION_IMAGE_TAG}"
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if [[ -z "${FEDERATION_DNS_PROVIDER:-}" ]]; then
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# Set the appropriate value based on cloud provider.
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if [[ "$KUBERNETES_PROVIDER" == "gce" || "${KUBERNETES_PROVIDER}" == "gke" ]]; then
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echo "setting dns provider to google-clouddns"
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export FEDERATION_DNS_PROVIDER="google-clouddns"
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elif [[ "${KUBERNETES_PROVIDER}" == "aws" ]]; then
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echo "setting dns provider to aws-route53"
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export FEDERATION_DNS_PROVIDER="aws-route53"
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else
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echo "Must set FEDERATION_DNS_PROVIDER env var"
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exit 1
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fi
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fi
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export FEDERATION_SERVICE_CIDR=${FEDERATION_SERVICE_CIDR:-"10.10.0.0/24"}
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#Only used for providers that require a nodeport service (vagrant for now)
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#We will use loadbalancer services where we can
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export FEDERATION_API_NODEPORT=32111
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export FEDERATION_NAMESPACE
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export FEDERATION_NAME="${FEDERATION_NAME:-federation}"
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export DNS_ZONE_NAME="${DNS_ZONE_NAME:-federation.example.}" # See https://tools.ietf.org/html/rfc2606
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template="go run ${KUBE_ROOT}/federation/cluster/template.go"
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FEDERATION_KUBECONFIG_PATH="${KUBE_ROOT}/federation/cluster/kubeconfig"
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federation_kubectl="${KUBE_ROOT}/cluster/kubectl.sh --context=federation-cluster --namespace=default"
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manifests_root="${KUBE_ROOT}/federation/manifests/"
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$template "${manifests_root}/federation-ns.yaml" | $host_kubectl apply -f -
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cleanup-federation-api-objects
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export FEDERATION_API_HOST=""
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export KUBE_MASTER_IP=""
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export IS_DNS_NAME="false"
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if [[ "$KUBERNETES_PROVIDER" == "vagrant" ]];then
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# The vagrant approach is to use a nodeport service, and point kubectl at one of the nodes
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$template "${manifests_root}/federation-apiserver-nodeport-service.yaml" | $host_kubectl create -f -
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node_addresses=`$host_kubectl get nodes -o=jsonpath='{.items[*].status.addresses[?(@.type=="InternalIP")].address}'`
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FEDERATION_API_HOST=`printf "$node_addresses" | cut -d " " -f1`
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KUBE_MASTER_IP="${FEDERATION_API_HOST}:${FEDERATION_API_NODEPORT}"
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elif [[ "$KUBERNETES_PROVIDER" == "gce" || "$KUBERNETES_PROVIDER" == "gke" || "$KUBERNETES_PROVIDER" == "aws" ]];then
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# Any providers where ingress is a DNS name should tick this box.
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# TODO(chom): attempt to do this automatically
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if [[ "$KUBERNETES_PROVIDER" == "aws" ]];then
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IS_DNS_NAME="true"
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fi
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# any capable providers should use a loadbalancer service
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# we check for ingress.ip and ingress.hostname, so should work for any loadbalancer-providing provider
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# allows 30x5 = 150 seconds for loadbalancer creation
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$template "${manifests_root}/federation-apiserver-lb-service.yaml" | $host_kubectl create -f -
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for i in {1..30};do
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echo "attempting to get federation-apiserver loadbalancer hostname ($i / 30)"
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LB_STATUS=`${host_kubectl} get -o=jsonpath svc/${FEDERATION_APISERVER_DEPLOYMENT_NAME} --template '{.status.loadBalancer}'`
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# Check if ingress field has been set in load balancer status.
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if [[ "${LB_STATUS}" != *"ingress"* ]]; then
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echo "Waiting for load balancer status to be set"
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sleep 5
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continue
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fi
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for field in ip hostname;do
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FEDERATION_API_HOST=`${host_kubectl} get -o=jsonpath svc/${FEDERATION_APISERVER_DEPLOYMENT_NAME} --template '{.status.loadBalancer.ingress[*].'"${field}}"`
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if [[ ! -z "${FEDERATION_API_HOST// }" ]];then
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break 2
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fi
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done
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if [[ $i -eq 30 ]];then
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echo "Could not find ingress hostname for federation-apiserver loadbalancer service"
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exit 1
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fi
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sleep 5
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done
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KUBE_MASTER_IP="${FEDERATION_API_HOST}:443"
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else
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echo "provider ${KUBERNETES_PROVIDER} is not (yet) supported for e2e testing"
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exit 1
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fi
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echo "Found federation-apiserver host at $FEDERATION_API_HOST"
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FEDERATION_API_TOKEN="$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64 | tr -d "=+/" | dd bs=32 count=1 2>/dev/null)"
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export FEDERATION_API_KNOWN_TOKENS="${FEDERATION_API_TOKEN},admin,admin"
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gen-kube-basicauth
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export FEDERATION_API_BASIC_AUTH="${KUBE_PASSWORD},${KUBE_USER},admin"
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# Create a kubeconfig with credentials for federation-apiserver. We will
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# then use this kubeconfig to create a secret which the federation
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# controller manager can use to talk to the federation-apiserver.
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# Note that the file name should be "kubeconfig" so that the secret key gets the same name.
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KUBECONFIG_DIR=$(dirname ${KUBECONFIG:-$DEFAULT_KUBECONFIG})
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CONTEXT=${FEDERATION_KUBE_CONTEXT} \
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KUBE_BEARER_TOKEN="$FEDERATION_API_TOKEN" \
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KUBE_USER="${KUBE_USER}" \
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KUBE_PASSWORD="${KUBE_PASSWORD}" \
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KUBECONFIG="${KUBECONFIG_DIR}/federation/federation-apiserver/kubeconfig" \
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create-kubeconfig
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# Create secret with federation-apiserver's kubeconfig
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$host_kubectl create secret generic federation-apiserver-kubeconfig --from-file="${KUBECONFIG_DIR}/federation/federation-apiserver/kubeconfig" --namespace="${FEDERATION_NAMESPACE}"
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# Create secrets with all the kubernetes-apiserver's kubeconfigs.
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# Note: This is used only by the test setup (where kubernetes clusters are
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# brought up with FEDERATION=true). Users are expected to create this secret
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# themselves.
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for dir in ${KUBECONFIG_DIR}/federation/kubernetes-apiserver/*; do
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# We create a secret with the same name as the directory name (which is
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# same as cluster name in kubeconfig).
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# Massage the name so that it is valid (should not contain "_" and max 253
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# chars)
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name=$(basename $dir)
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name=$(echo "$name" | sed -e "s/_/-/g") # Replace "_" by "-"
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name=${name:0:252}
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echo "Creating secret with name: $name"
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$host_kubectl create secret generic ${name} --from-file="${dir}/kubeconfig" --namespace="${FEDERATION_NAMESPACE}"
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done
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# Create server certificates.
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ensure-temp-dir
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echo "Creating federation apiserver certs for federation api host: ${FEDERATION_API_HOST} ( is this a dns name?: ${IS_DNS_NAME} )"
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MASTER_NAME="federation-apiserver" create-federation-apiserver-certs ${FEDERATION_API_HOST}
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export FEDERATION_APISERVER_CA_CERT_BASE64="${FEDERATION_APISERVER_CA_CERT_BASE64}"
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export FEDERATION_APISERVER_CERT_BASE64="${FEDERATION_APISERVER_CERT_BASE64}"
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export FEDERATION_APISERVER_KEY_BASE64="${FEDERATION_APISERVER_KEY_BASE64}"
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# Enable the NamespaceLifecycle admission control by default.
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export FEDERATION_ADMISSION_CONTROL="${FEDERATION_ADMISSION_CONTROL:-NamespaceLifecycle}"
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for file in federation-etcd-pvc.yaml federation-apiserver-{deployment,secrets}.yaml federation-controller-manager-deployment.yaml; do
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echo "Creating manifest: ${file}"
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$template "${manifests_root}/${file}"
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$template "${manifests_root}/${file}" | $host_kubectl create -f -
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done
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# Update the users kubeconfig to include federation-apiserver credentials.
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CONTEXT=${FEDERATION_KUBE_CONTEXT} \
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KUBE_BEARER_TOKEN="${FEDERATION_API_TOKEN}" \
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KUBE_USER="${KUBE_USER}" \
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KUBE_PASSWORD="${KUBE_PASSWORD}" \
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SECONDARY_KUBECONFIG=true \
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create-kubeconfig
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# Don't finish provisioning until federation-apiserver pod is running
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for i in {1..30};do
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#TODO(colhom): in the future this needs to scale out for N pods. This assumes just one pod
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phase="$($host_kubectl get -o=jsonpath pods -lapp=federated-cluster,module=federation-apiserver --template '{.items[*].status.phase}')"
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echo "Waiting for federation-apiserver to be running...(phase= $phase)"
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if [[ "$phase" == "Running" ]];then
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echo "federation-apiserver pod is running!"
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break
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fi
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if [[ $i -eq 30 ]];then
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echo "federation-apiserver pod is not running! giving up."
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exit 1
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fi
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sleep 4
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done
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# Verify that federation-controller-manager pod is running.
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for i in {1..30};do
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#TODO(colhom): in the future this needs to scale out for N pods. This assumes just one pod
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phase="$($host_kubectl get -o=jsonpath pods -lapp=federated-cluster,module=federation-controller-manager --template '{.items[*].status.phase}')"
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echo "Waiting for federation-controller-manager to be running...(phase= $phase)"
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if [[ "$phase" == "Running" ]];then
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echo "federation-controller-manager pod is running!"
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break
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fi
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if [[ $i -eq 30 ]];then
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echo "federation-controller-manager pod is not running! giving up."
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exit 1
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fi
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sleep 4
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done
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)
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}
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# Creates the required certificates for federation apiserver.
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# $1: The public IP or DNS name for the master.
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#
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# Assumed vars
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# KUBE_TEMP
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# MASTER_NAME
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# IS_DNS_NAME=true|false
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function create-federation-apiserver-certs {
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local primary_cn
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local sans
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if [[ "${IS_DNS_NAME:-}" == "true" ]];then
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primary_cn="$(printf "${1}" | sha1sum | tr " -" " ")"
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sans="DNS:${1},DNS:${MASTER_NAME}"
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else
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primary_cn="${1}"
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sans="IP:${1},DNS:${MASTER_NAME}"
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fi
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echo "Generating certs for alternate-names: ${sans}"
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local kube_temp="${KUBE_TEMP}/federation"
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mkdir -p "${kube_temp}"
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KUBE_TEMP="${kube_temp}" PRIMARY_CN="${primary_cn}" SANS="${sans}" generate-certs
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local cert_dir="${kube_temp}/easy-rsa-master/easyrsa3"
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# By default, linux wraps base64 output every 76 cols, so we use 'tr -d' to remove whitespaces.
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# Note 'base64 -w0' doesn't work on Mac OS X, which has different flags.
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FEDERATION_APISERVER_CA_CERT_BASE64=$(cat "${cert_dir}/pki/ca.crt" | base64 | tr -d '\r\n')
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FEDERATION_APISERVER_CERT_BASE64=$(cat "${cert_dir}/pki/issued/${MASTER_NAME}.crt" | base64 | tr -d '\r\n')
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FEDERATION_APISERVER_KEY_BASE64=$(cat "${cert_dir}/pki/private/${MASTER_NAME}.key" | base64 | tr -d '\r\n')
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}
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# Required
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# FEDERATION_PUSH_REPO_BASE: the docker repo where federated images will be pushed
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# FEDERATION_IMAGE_TAG: the tag of the image to be pushed
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function push-federation-images {
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: "${FEDERATION_PUSH_REPO_BASE?Must set FEDERATION_PUSH_REPO_BASE env var}"
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: "${FEDERATION_IMAGE_TAG?Must set FEDERATION_IMAGE_TAG env var}"
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source "${KUBE_ROOT}/build/common.sh"
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source "${KUBE_ROOT}/hack/lib/util.sh"
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local FEDERATION_BINARIES=${FEDERATION_BINARIES:-"hyperkube-amd64"}
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local bin_dir="${KUBE_ROOT}/_output/${KUBE_BUILD_STAGE}/server/${KUBE_PLATFORM}-${KUBE_ARCH}/kubernetes/server/bin"
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if [[ ! -d "${bin_dir}" ]];then
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echo "${bin_dir} does not exist! Run make quick-release or make release"
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exit 1
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fi
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for binary in ${FEDERATION_BINARIES}; do
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local bin_path="${bin_dir}/${binary}"
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if [[ ! -f "${bin_path}" ]]; then
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echo "${bin_path} does not exist!"
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exit 1
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fi
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local docker_build_path="${bin_path}.dockerbuild"
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local docker_file_path="${docker_build_path}/Dockerfile"
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rm -rf ${docker_build_path}
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mkdir -p ${docker_build_path}
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ln "${bin_path}" "${docker_build_path}/${binary}"
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printf " FROM debian:jessie \n ADD ${binary} /usr/local/bin/${binary}\n" > ${docker_file_path}
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local docker_image_tag="${FEDERATION_PUSH_REPO_BASE}/${binary}:${FEDERATION_IMAGE_TAG}"
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# Build the docker image on-the-fly.
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#
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# NOTE: This is only a temporary fix until the proposal in issue
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# https://github.com/kubernetes/kubernetes/issues/28630 is implemented.
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# Also, the new turn up mechanism completely obviates this step.
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#
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# TODO(madhusudancs): Remove this code when the new turn up mechanism work
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# is merged.
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kube::log::status "Building docker image ${docker_image_tag} from the binary"
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docker build --pull -q -t "${docker_image_tag}" ${docker_build_path} >/dev/null
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rm -rf ${docker_build_path}
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kube::log::status "Pushing ${docker_image_tag}"
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if [[ "${FEDERATION_PUSH_REPO_BASE}" == "gcr.io/"* ]]; then
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echo " -> GCR repository detected. Using gcloud"
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gcloud docker -- push "${docker_image_tag}"
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else
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docker push "${docker_image_tag}"
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fi
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kube::log::status "Deleting docker image ${docker_image_tag}"
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docker rmi "${docker_image_tag}" 2>/dev/null || true
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done
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}
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function cleanup-federation-api-objects {
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echo "Cleaning Federation control plane objects"
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# Delete all resources with the federated-cluster label.
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$host_kubectl delete pods,svc,rc,deployment,secret -lapp=federated-cluster
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# Delete all resources in FEDERATION_NAMESPACE.
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$host_kubectl delete pvc,pv,pods,svc,rc,deployment,secret --namespace=${FEDERATION_NAMESPACE} --all
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}
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