Add kpod wait

Waits on one or more containers to stop and prints the container's
return code

Signed-off-by: baude <bbaude@redhat.com>

test/kpod_wait.bats

@@ -0,0 +1,70 @@
+#!/usr/bin/env bats
+
+load helpers
+
+IMAGE="redis:alpine"
+ROOT="$TESTDIR/crio"
+RUNROOT="$TESTDIR/crio-run"
+KPOD_OPTIONS="--root $ROOT --runroot $RUNROOT ${STORAGE_OPTS}"
+
+
+# Returns the POD ID
+function pod_run_from_template(){
+    #1=name, 2=uid, 3=namespace) {
+    NAME=$1 CUID=$2 NAMESPACE=$3 envsubst < ${TESTDATA}/template_sandbox_config.json > ${TESTDIR}/pod-${1}.json
+    crioctl pod run --config ${TESTDIR}/pod-${1}.json
+}
+
+# Returns the container ID
+function container_create_from_template() {
+    #1=name, 2=image, 3=command, 4=id) {
+    NAME=$1 IMAGE=$2 COMMAND=$3 envsubst < ${TESTDATA}/template_container_config.json > ${TESTDIR}/ctr-${1}.json
+    crioctl ctr create --config ${TESTDIR}/ctr-${1}.json --pod "$4"
+}
+
+function container_start() {
+    #1=id
+    crioctl ctr start --id "$1"
+
+}
+@test "wait on a bogus container" {
+    start_crio
+    run ${KPOD_BINARY} ${KPOD_OPTIONS} wait 12343
+    echo $output
+    [ "$status" -eq 1 ]
+    stop_crio
+}
+
+@test "wait on a stopped container" {
+    run ${KPOD_BINARY} ${KPOD_OPTIONS} pull docker.io/library/busybox:latest
+    echo $output
+    start_crio
+    pod_id=$( pod_run_from_template "test" "test" "test1-1" )
+    echo $pod_id
+    ctr_id=$(container_create_from_template "test-CTR" "docker.io/library/busybox:latest" '["ls"]' "${pod_id}")
+    echo $ctr_id
+    container_start $ctr_id
+    run ${KPOD_BINARY} ${KPOD_OPTIONS} wait $ctr_id
+    [ "$status" -eq 0 ]
+    cleanup_ctrs
+    cleanup_pods
+    stop_crio
+}
+
+@test "wait on a sleeping container" {
+    run ${KPOD_BINARY} ${KPOD_OPTIONS} pull docker.io/library/busybox:latest
+    echo $output
+    start_crio
+    pod_id=$( pod_run_from_template "test" "test" "test1-1" )
+    echo $pod_id
+    ctr_id=$(container_create_from_template "test-CTR" "docker.io/library/busybox:latest" '["sleep", "5"]' "${pod_id}")
+    echo $ctr_id
+    run container_start $ctr_id
+    echo $output
+    run ${KPOD_BINARY} ${KPOD_OPTIONS} wait $ctr_id
+    echo $output
+    [ "$status" -eq 0 ]
+    cleanup_ctrs
+    cleanup_pods
+    stop_crio
+}