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https://github.com/ceph/ceph-csi.git
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230 lines
10 KiB
Bash
Executable File
230 lines
10 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2018 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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set -o errexit
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set -o nounset
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set -o pipefail
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# Runs tests related to kubectl apply.
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run_kubectl_apply_tests() {
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set -o nounset
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set -o errexit
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create_and_use_new_namespace
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kube::log::status "Testing kubectl apply"
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## kubectl apply should create the resource that doesn't exist yet
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# Pre-Condition: no POD exists
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# Command: apply a pod "test-pod" (doesn't exist) should create this pod
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kubectl apply -f hack/testdata/pod.yaml "${kube_flags[@]}"
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# Post-Condition: pod "test-pod" is created
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kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-label'
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# Post-Condition: pod "test-pod" has configuration annotation
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[[ "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}" | grep kubectl.kubernetes.io/last-applied-configuration)" ]]
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# Clean up
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kubectl delete pods test-pod "${kube_flags[@]}"
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## kubectl apply should be able to clear defaulted fields.
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# Pre-Condition: no deployment exists
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kube::test::get_object_assert deployments "{{range.items}}{{$id_field}}:{{end}}" ''
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# Command: apply a deployment "test-deployment-retainkeys" (doesn't exist) should create this deployment
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kubectl apply -f hack/testdata/retainKeys/deployment/deployment-before.yaml "${kube_flags[@]}"
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# Post-Condition: deployment "test-deployment-retainkeys" created
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kube::test::get_object_assert deployments "{{range.items}}{{$id_field}}{{end}}" 'test-deployment-retainkeys'
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# Post-Condition: deployment "test-deployment-retainkeys" has defaulted fields
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[[ "$(kubectl get deployments test-deployment-retainkeys -o yaml "${kube_flags[@]}" | grep RollingUpdate)" ]]
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[[ "$(kubectl get deployments test-deployment-retainkeys -o yaml "${kube_flags[@]}" | grep maxSurge)" ]]
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[[ "$(kubectl get deployments test-deployment-retainkeys -o yaml "${kube_flags[@]}" | grep maxUnavailable)" ]]
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[[ "$(kubectl get deployments test-deployment-retainkeys -o yaml "${kube_flags[@]}" | grep emptyDir)" ]]
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# Command: apply a deployment "test-deployment-retainkeys" should clear
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# defaulted fields and successfully update the deployment
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[[ "$(kubectl apply -f hack/testdata/retainKeys/deployment/deployment-after.yaml "${kube_flags[@]}")" ]]
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# Post-Condition: deployment "test-deployment-retainkeys" has updated fields
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[[ "$(kubectl get deployments test-deployment-retainkeys -o yaml "${kube_flags[@]}" | grep Recreate)" ]]
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! [[ "$(kubectl get deployments test-deployment-retainkeys -o yaml "${kube_flags[@]}" | grep RollingUpdate)" ]]
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[[ "$(kubectl get deployments test-deployment-retainkeys -o yaml "${kube_flags[@]}" | grep hostPath)" ]]
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! [[ "$(kubectl get deployments test-deployment-retainkeys -o yaml "${kube_flags[@]}" | grep emptyDir)" ]]
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# Clean up
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kubectl delete deployments test-deployment-retainkeys "${kube_flags[@]}"
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## kubectl apply -f with label selector should only apply matching objects
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# Pre-Condition: no POD exists
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# apply
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kubectl apply -l unique-label=bingbang -f hack/testdata/filter "${kube_flags[@]}"
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# check right pod exists
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kube::test::get_object_assert 'pods selector-test-pod' "{{${labels_field}.name}}" 'selector-test-pod'
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# check wrong pod doesn't exist
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output_message=$(! kubectl get pods selector-test-pod-dont-apply 2>&1 "${kube_flags[@]}")
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kube::test::if_has_string "${output_message}" 'pods "selector-test-pod-dont-apply" not found'
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# cleanup
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kubectl delete pods selector-test-pod
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## kubectl apply --server-dry-run
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# Pre-Condition: no POD exists
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# apply dry-run
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kubectl apply --server-dry-run -f hack/testdata/pod.yaml "${kube_flags[@]}"
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# No pod exists
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# apply non dry-run creates the pod
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kubectl apply -f hack/testdata/pod.yaml "${kube_flags[@]}"
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# apply changes
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kubectl apply --server-dry-run -f hack/testdata/pod-apply.yaml "${kube_flags[@]}"
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# Post-Condition: label still has initial value
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kube::test::get_object_assert 'pods test-pod' "{{${labels_field}.name}}" 'test-pod-label'
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# clean-up
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kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}"
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## kubectl apply dry-run on CR
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# Create CRD
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kubectl "${kube_flags_with_token[@]}" create -f - << __EOF__
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{
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"kind": "CustomResourceDefinition",
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"apiVersion": "apiextensions.k8s.io/v1beta1",
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"metadata": {
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"name": "resources.mygroup.example.com"
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},
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"spec": {
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"group": "mygroup.example.com",
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"version": "v1alpha1",
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"scope": "Namespaced",
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"names": {
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"plural": "resources",
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"singular": "resource",
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"kind": "Kind",
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"listKind": "KindList"
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}
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}
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}
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__EOF__
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# Dry-run create the CR
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kubectl "${kube_flags[@]}" apply --server-dry-run -f hack/testdata/CRD/resource.yaml "${kube_flags[@]}"
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# Make sure that the CR doesn't exist
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! kubectl "${kube_flags[@]}" get resource/myobj
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# clean-up
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kubectl "${kube_flags[@]}" delete customresourcedefinition resources.mygroup.example.com
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## kubectl apply --prune
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# Pre-Condition: no POD exists
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# apply a
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kubectl apply --prune -l prune-group=true -f hack/testdata/prune/a.yaml "${kube_flags[@]}"
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# check right pod exists
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kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a'
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# check wrong pod doesn't exist
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output_message=$(! kubectl get pods b 2>&1 "${kube_flags[@]}")
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kube::test::if_has_string "${output_message}" 'pods "b" not found'
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# apply b
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kubectl apply --prune -l prune-group=true -f hack/testdata/prune/b.yaml "${kube_flags[@]}"
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# check right pod exists
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kube::test::get_object_assert 'pods b' "{{${id_field}}}" 'b'
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# check wrong pod doesn't exist
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output_message=$(! kubectl get pods a 2>&1 "${kube_flags[@]}")
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kube::test::if_has_string "${output_message}" 'pods "a" not found'
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# cleanup
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kubectl delete pods b
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# same thing without prune for a sanity check
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# Pre-Condition: no POD exists
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# apply a
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kubectl apply -l prune-group=true -f hack/testdata/prune/a.yaml "${kube_flags[@]}"
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# check right pod exists
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kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a'
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# check wrong pod doesn't exist
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output_message=$(! kubectl get pods b 2>&1 "${kube_flags[@]}")
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kube::test::if_has_string "${output_message}" 'pods "b" not found'
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# apply b
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kubectl apply -l prune-group=true -f hack/testdata/prune/b.yaml "${kube_flags[@]}"
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# check both pods exist
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kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a'
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kube::test::get_object_assert 'pods b' "{{${id_field}}}" 'b'
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# check wrong pod doesn't exist
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# cleanup
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kubectl delete pod/a pod/b
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## kubectl apply --prune requires a --all flag to select everything
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output_message=$(! kubectl apply --prune -f hack/testdata/prune 2>&1 "${kube_flags[@]}")
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kube::test::if_has_string "${output_message}" \
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'all resources selected for prune without explicitly passing --all'
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# should apply everything
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kubectl apply --all --prune -f hack/testdata/prune
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kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a'
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kube::test::get_object_assert 'pods b' "{{${id_field}}}" 'b'
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kubectl delete pod/a pod/b
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## kubectl apply --prune should fallback to delete for non reapable types
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kubectl apply --all --prune -f hack/testdata/prune-reap/a.yml 2>&1 "${kube_flags[@]}"
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kube::test::get_object_assert 'pvc a-pvc' "{{${id_field}}}" 'a-pvc'
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kubectl apply --all --prune -f hack/testdata/prune-reap/b.yml 2>&1 "${kube_flags[@]}"
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kube::test::get_object_assert 'pvc b-pvc' "{{${id_field}}}" 'b-pvc'
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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kubectl delete pvc b-pvc 2>&1 "${kube_flags[@]}"
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## kubectl apply --prune --prune-whitelist
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# Pre-Condition: no POD exists
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# apply pod a
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kubectl apply --prune -l prune-group=true -f hack/testdata/prune/a.yaml "${kube_flags[@]}"
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# check right pod exists
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kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a'
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# apply svc and don't prune pod a by overwriting whitelist
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kubectl apply --prune -l prune-group=true -f hack/testdata/prune/svc.yaml --prune-whitelist core/v1/Service 2>&1 "${kube_flags[@]}"
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kube::test::get_object_assert 'service prune-svc' "{{${id_field}}}" 'prune-svc'
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kube::test::get_object_assert 'pods a' "{{${id_field}}}" 'a'
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# apply svc and prune pod a with default whitelist
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kubectl apply --prune -l prune-group=true -f hack/testdata/prune/svc.yaml 2>&1 "${kube_flags[@]}"
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kube::test::get_object_assert 'service prune-svc' "{{${id_field}}}" 'prune-svc'
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# cleanup
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kubectl delete svc prune-svc 2>&1 "${kube_flags[@]}"
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## kubectl apply -f some.yml --force
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# Pre-condition: no service exists
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kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" ''
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# apply service a
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kubectl apply -f hack/testdata/service-revision1.yaml "${kube_flags[@]}"
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# check right service exists
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kube::test::get_object_assert 'services a' "{{${id_field}}}" 'a'
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# change immutable field and apply service a
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output_message=$(! kubectl apply -f hack/testdata/service-revision2.yaml 2>&1 "${kube_flags[@]}")
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kube::test::if_has_string "${output_message}" 'field is immutable'
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# apply --force to recreate resources for immutable fields
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kubectl apply -f hack/testdata/service-revision2.yaml --force "${kube_flags[@]}"
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# check immutable field exists
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kube::test::get_object_assert 'services a' "{{.spec.clusterIP}}" '10.0.0.12'
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# cleanup
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kubectl delete -f hack/testdata/service-revision2.yaml "${kube_flags[@]}"
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set +o nounset
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set +o errexit
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}
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