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Add cascading deletion test cases to kubectl tests

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This commit is contained in:
nikhiljindal
2017-02-21 22:32:09 -08:00
parent 20aa573865
commit b6e2a09c2b
2 changed files with 101 additions and 24 deletions
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53
hack/make-rules/test-cmd-util.sh
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@@ -947,8 +947,8 @@ run_kubectl_apply_deployments_tests() {
# need to explicitly remove replicasets and pods because we changed the deployment selector and orphaned things
kubectl delete deployments,rs,pods --all --cascade=false --grace-period=0
# Post-Condition: no Deployments, ReplicaSets, Pods exist
kube::test::get_object_assert deployments "{{range.items}}{{$id_field}}:{{end}}" ''
kube::test::get_object_assert replicasets "{{range.items}}{{$id_field}}:{{end}}" ''
kube::test::wait_object_assert deployments "{{range.items}}{{$id_field}}:{{end}}" ''
kube::test::wait_object_assert replicasets "{{range.items}}{{$id_field}}:{{end}}" ''
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
}
@@ -2273,6 +2273,37 @@ run_deployment_tests() {
# Clean up
kubectl delete deployment test-nginx "${kube_flags[@]}"
### Test cascading deletion
## Test that rs is deleted when deployment is deleted.
# Pre-condition: no deployment exists
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" ''
# Create deployment
kubectl create -f test/fixtures/doc-yaml/user-guide/deployment.yaml "${kube_flags[@]}"
# Wait for rs to come up.
kube::test::wait_object_assert rs "{{range.items}}{{$rs_replicas_field}}{{end}}" '3'
# Deleting the deployment should delete the rs.
kubectl delete deployment nginx-deployment "${kube_flags[@]}"
kube::test::wait_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" ''
## Test that rs is not deleted when deployment is deleted with cascade set to false.
# Pre-condition: no deployment and rs exist
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" ''
kube::test::get_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" ''
# Create deployment
kubectl create deployment nginx-deployment --image=gcr.io/google-containers/nginx:test-cmd
# Wait for rs to come up.
kube::test::wait_object_assert rs "{{range.items}}{{$rs_replicas_field}}{{end}}" '1'
# Delete the deployment with cascade set to false.
kubectl delete deployment nginx-deployment "${kube_flags[@]}" --cascade=false
# Wait for the deployment to be deleted and then verify that rs is not
# deleted.
kube::test::wait_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" ''
kube::test::get_object_assert rs "{{range.items}}{{$rs_replicas_field}}{{end}}" '1'
# Cleanup
# Find the name of the rs to be deleted.
output_message=$(kubectl get rs "${kube_flags[@]}" -o template --template={{range.items}}{{$id_field}}{{end}})
kubectl delete rs ${output_message} "${kube_flags[@]}"
### Auto scale deployment
# Pre-condition: no deployment exists
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" ''
@@ -2385,6 +2416,21 @@ run_rs_tests() {
# Post-condition: no pods from frontend replica set
kube::test::get_object_assert 'pods -l "tier=frontend"' "{{range.items}}{{$id_field}}:{{end}}" ''
### Create and then delete a replica set with cascade=false, make sure it doesn't delete 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 "${kube_flags[@]}" --cascade=false
# Wait for the rs to be deleted.
kube::test::wait_object_assert rs "{{range.items}}{{$id_field}}:{{end}}" ''
# Post-condition: All 3 pods still remain from frontend replica set
kube::test::get_object_assert 'pods -l "tier=frontend"' "{{range.items}}{{$pod_container_name_field}}:{{end}}" 'php-redis:php-redis:php-redis:'
# Cleanup
kubectl delete pods -l "tier=frontend" "${kube_flags[@]}"
kube::test::get_object_assert pods "{{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}}" ''
@@ -2662,7 +2708,7 @@ runTests() {
i=0
create_and_use_new_namespace() {
i=$(($i+1))
kube::log::status "Creating namespace"
kube::log::status "Creating namespace namespace${i}"
kubectl create namespace "namespace${i}"
kubectl config set-context "${CONTEXT}" --namespace="namespace${i}"
}
@@ -2690,6 +2736,7 @@ runTests() {
second_port_field="(index .spec.ports 1).port"
second_port_name="(index .spec.ports 1).name"
image_field="(index .spec.containers 0).image"
pod_container_name_field="(index .spec.containers 0).name"
container_name_field="(index .spec.template.spec.containers 0).name"
hpa_min_field=".spec.minReplicas"
hpa_max_field=".spec.maxReplicas"