Use --dry-run=client,server in kubectl.
- Support --dry-run=server for subcommands apply, run, create, annotate, expose, patch, label, autoscale, apply set-last-applied, drain, rollout undo - Support --dry-run=server for set subcommands - image - resources - serviceaccount - selector - env - subject - Support --dry-run=server for create subcommands. - clusterrole - clusterrolebinding - configmap - cronjob - job - deployment - namespace - poddisruptionbudget - priorityclass - quota - role - rolebinding - service - secret - serviceaccount - Remove GetClientSideDryRun
This commit is contained in:
Julian V. Modesto
committed by
Julian V. Modesto
Julian V. Modesto
parent
f7eafa1a83
commit
13b80b48cd
@@ -40,7 +40,10 @@ run_configmap_tests() {
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# Pre-condition: configmap test-configmap and test-binary-configmap does not exist
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kube::test::get_object_assert 'configmaps' "{{range.items}}{{ if eq $id_field \\\"test-configmap\\\" }}found{{end}}{{end}}:" ':'
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kube::test::get_object_assert 'configmaps' "{{range.items}}{{ if eq $id_field \\\"test-binary-configmap\\\" }}found{{end}}{{end}}:" ':'
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# Dry-run command
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kubectl create configmap test-configmap --dry-run=client --from-literal=key1=value1 --namespace=test-configmaps
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kubectl create configmap test-configmap --dry-run=server --from-literal=key1=value1 --namespace=test-configmaps
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kube::test::get_object_assert 'configmaps' "{{range.items}}{{ if eq $id_field \\\"test-configmap\\\" }}found{{end}}{{end}}:" ':'
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# Command
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kubectl create configmap test-configmap --from-literal=key1=value1 --namespace=test-configmaps
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kubectl create configmap test-binary-configmap --from-file <( head -c 256 /dev/urandom ) --namespace=test-configmaps
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@@ -217,6 +220,10 @@ run_pod_tests() {
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### Create a generic secret
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# Pre-condition: no SECRET exists
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kube::test::get_object_assert 'secrets --namespace=test-kubectl-describe-pod' "{{range.items}}{{$id_field}}:{{end}}" ''
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# Dry-run command
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kubectl create secret generic test-secret --dry-run=client --from-literal=key-1=value1 --type=test-type --namespace=test-kubectl-describe-pod
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kubectl create secret generic test-secret --dry-run=server --from-literal=key-1=value1 --type=test-type --namespace=test-kubectl-describe-pod
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kube::test::get_object_assert 'secrets --namespace=test-kubectl-describe-pod' "{{range.items}}{{$id_field}}:{{end}}" ''
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# Command
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kubectl create secret generic test-secret --from-literal=key-1=value1 --type=test-type --namespace=test-kubectl-describe-pod
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# Post-condition: secret exists and has expected values
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@@ -235,6 +242,12 @@ run_pod_tests() {
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kube::test::get_object_assert 'configmap/test-configmap --namespace=test-kubectl-describe-pod' "{{$id_field}}" 'test-configmap'
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### Create a pod disruption budget with minAvailable
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# Pre-condition: pdb does not exist
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kube::test::get_object_assert 'pdb --namespace=test-kubectl-describe-pod' "{{range.items}}{{ if eq $id_field \\\"test-pdb-1\\\" }}found{{end}}{{end}}:" ':'
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# Dry-run command
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kubectl create pdb test-pdb-1 --dry-run=client --selector=app=rails --min-available=2 --namespace=test-kubectl-describe-pod
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kubectl create pdb test-pdb-1 --dry-run=server --selector=app=rails --min-available=2 --namespace=test-kubectl-describe-pod
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kube::test::get_object_assert 'pdb --namespace=test-kubectl-describe-pod' "{{range.items}}{{ if eq $id_field \\\"test-pdb-1\\\" }}found{{end}}{{end}}:" ':'
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# Command
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kubectl create pdb test-pdb-1 --selector=app=rails --min-available=2 --namespace=test-kubectl-describe-pod
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# Post-condition: pdb exists and has expected values
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@@ -272,6 +285,17 @@ run_pod_tests() {
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kubectl delete pdb/test-pdb-1 pdb/test-pdb-2 pdb/test-pdb-3 pdb/test-pdb-4 --namespace=test-kubectl-describe-pod
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kubectl delete namespace test-kubectl-describe-pod
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### Priority Class
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kube::test::get_object_assert 'priorityclasses' "{{range.items}}{{ if eq $id_field \\\"test-priorityclass\\\" }}found{{end}}{{end}}:" ':'
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# Dry-run command
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kubectl create priorityclass test-priorityclass --dry-run=client
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kubectl create priorityclass test-priorityclass --dry-run=server
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kube::test::get_object_assert 'priorityclasses' "{{range.items}}{{ if eq $id_field \\\"test-priorityclass\\\" }}found{{end}}{{end}}:" ':'
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# Command
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kubectl create priorityclass test-priorityclass
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kube::test::get_object_assert 'priorityclasses' "{{range.items}}{{ if eq $id_field \\\"test-priorityclass\\\" }}found{{end}}{{end}}:" 'found:'
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kubectl delete priorityclass test-priorityclass
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### Create two PODs
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# Pre-condition: no POD exists
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create_and_use_new_namespace
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@@ -299,6 +323,15 @@ run_pod_tests() {
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# Post-condition: valid-pod POD is created
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
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### Dry-run label the valid-pod POD
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# Pre-condition: valid-pod is not labelled
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kube::test::get_object_assert 'pod valid-pod' "{{range${labels_field:?}}}{{.}}:{{end}}" 'valid-pod:'
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# Command
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kubectl label pods valid-pod new-name=new-valid-pod --dry-run=client "${kube_flags[@]}"
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kubectl label pods valid-pod new-name=new-valid-pod --dry-run=server "${kube_flags[@]}"
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# Post-condition: valid-pod is not labelled
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kube::test::get_object_assert 'pod valid-pod' "{{range${labels_field:?}}}{{.}}:{{end}}" 'valid-pod:'
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### Label the valid-pod POD
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# Pre-condition: valid-pod is not labelled
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kube::test::get_object_assert 'pod valid-pod' "{{range${labels_field:?}}}{{.}}:{{end}}" 'valid-pod:'
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@@ -315,6 +348,15 @@ run_pod_tests() {
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# Post-condition: valid pod contains "emptylabel" with no value
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kube::test::get_object_assert 'pod valid-pod' "{{${labels_field}.emptylabel}}" ''
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### Dry-run annotate the valid-pod POD with empty annotation value
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# Pre-condition: valid-pod does not have annotation "emptyannotation"
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kube::test::get_object_assert 'pod valid-pod' "{{${annotations_field:?}.emptyannotation}}" '<no value>'
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# Command
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kubectl annotate pods valid-pod emptyannotation="" --dry-run=client "${kube_flags[@]}"
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kubectl annotate pods valid-pod emptyannotation="" --dry-run=server "${kube_flags[@]}"
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# Post-condition: valid-pod does not have annotation "emptyannotation"
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kube::test::get_object_assert 'pod valid-pod' "{{${annotations_field:?}.emptyannotation}}" '<no value>'
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### Annotate the valid-pod POD with empty annotation value
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# Pre-condition: valid-pod does not have annotation "emptyannotation"
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kube::test::get_object_assert 'pod valid-pod' "{{${annotations_field:?}.emptyannotation}}" '<no value>'
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@@ -463,6 +505,11 @@ run_pod_tests() {
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kubectl patch "${kube_flags[@]}" pod valid-pod --type="json" -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"nginx"}]'
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# Post-condition: valid-pod POD has image nginx
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kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:'
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# Dry-run change image
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kubectl patch "${kube_flags[@]}" pod valid-pod --record --dry-run=client -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "not-nginx"}]}}'
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kubectl patch "${kube_flags[@]}" pod valid-pod --record --dry-run=server -p='{"spec":{"containers":[{"name": "kubernetes-serve-hostname", "image": "not-nginx"}]}}'
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# Post-condition: valid-pod POD has image nginx
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kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'nginx:'
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# prove that yaml input works too
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YAML_PATCH=$'spec:\n containers:\n - name: kubernetes-serve-hostname\n image: changed-with-yaml\n'
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kubectl patch "${kube_flags[@]}" pod valid-pod -p="${YAML_PATCH}"
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@@ -689,7 +736,7 @@ run_create_secret_tests() {
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# check to make sure that replace correctly PUTs to a URL
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kubectl create configmap tester-update-cm -o json --dry-run | kubectl create "${kube_flags[@]}" --raw /api/v1/namespaces/default/configmaps -f -
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kubectl create configmap tester-update-cm -o json --dry-run=client | kubectl create "${kube_flags[@]}" --raw /api/v1/namespaces/default/configmaps -f -
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output_message=$(kubectl create configmap tester-update-cm --from-literal=key1=config1 -o json --dry-run | kubectl replace "${kube_flags[@]}" --raw /api/v1/namespaces/default/configmaps/tester-update-cm -f -)
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# the message should show the body returned which will include a UID not present in the input
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kube::test::if_has_string "${output_message}" 'uid'
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@@ -832,6 +879,12 @@ run_service_accounts_tests() {
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kube::test::get_object_assert 'namespaces/test-service-accounts' "{{$id_field}}" 'test-service-accounts'
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### Create a service account in a specific namespace
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# Pre-condition: service account does not exist
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kube::test::get_object_assert 'serviceaccount --namespace=test-service-accounts' "{{range.items}}{{ if eq $id_field \\\"test-service-account\\\" }}found{{end}}{{end}}:" ':'
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# Dry-run command
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kubectl create serviceaccount test-service-account --dry-run=client --namespace=test-service-accounts
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kubectl create serviceaccount test-service-account --dry-run=server --namespace=test-service-accounts
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kube::test::get_object_assert 'serviceaccount --namespace=test-service-accounts' "{{range.items}}{{ if eq $id_field \\\"test-service-account\\\" }}found{{end}}{{end}}:" ':'
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# Command
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kubectl create serviceaccount test-service-account --namespace=test-service-accounts
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# Post-condition: secret exists and has expected values
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@@ -893,7 +946,8 @@ run_service_tests() {
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# prove role=master
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kube::test::get_object_assert 'services redis-master' "{{range$service_selector_field}}{{.}}:{{end}}" "redis:master:backend:"
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# Show dry-run works on running selector
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kubectl set selector services redis-master role=padawan --dry-run -o yaml "${kube_flags[@]}"
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kubectl set selector services redis-master role=padawan --dry-run=client -o yaml "${kube_flags[@]}"
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kubectl set selector services redis-master role=padawan --dry-run=server -o yaml "${kube_flags[@]}"
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! kubectl set selector services redis-master role=padawan --local -o yaml "${kube_flags[@]}" || exit 1
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kube::test::get_object_assert 'services redis-master' "{{range$service_selector_field}}{{.}}:{{end}}" "redis:master:backend:"
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# --resource-version=<current-resource-version> succeeds
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@@ -994,6 +1048,10 @@ __EOF__
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### Create an ExternalName service
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# Pre-condition: Only the default kubernetes service exist
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kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
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# Dry-run command
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kubectl create service externalname beep-boop --dry-run=client --external-name bar.com
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kubectl create service externalname beep-boop --dry-run=server --external-name bar.com
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kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
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# Command
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kubectl create service externalname beep-boop --external-name bar.com
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# Post-condition: beep-boop service is created
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@@ -1013,6 +1071,13 @@ __EOF__
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### Create pod and service
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# Pre-condition: no pod exists
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kube::test::wait_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# Pre-condition: Only the default kubernetes services exist
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kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
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# Dry-run command
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kubectl run testmetadata --image=nginx --port=80 --expose --dry-run=client --service-overrides='{ "metadata": { "annotations": { "zone-context": "home" } } } '
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kubectl run testmetadata --image=nginx --port=80 --expose --dry-run=server --service-overrides='{ "metadata": { "annotations": { "zone-context": "home" } } } '
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# Check only the default kubernetes services exist
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kube::test::get_object_assert services "{{range.items}}{{$id_field}}:{{end}}" 'kubernetes:'
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# Command
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kubectl run testmetadata --image=nginx --port=80 --expose --service-overrides='{ "metadata": { "annotations": { "zone-context": "home" } } } '
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# Check result
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@@ -1305,9 +1370,14 @@ run_namespace_tests() {
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kube::log::status "Testing kubectl(v1:namespaces)"
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### Create a new namespace
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# Pre-condition: only the "default" namespace exists
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# The Pre-condition doesn't hold anymore after we create and switch namespaces before creating pods with same name in the test.
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# kube::test::get_object_assert namespaces "{{range.items}}{{$id_field}}:{{end}}" 'default:'
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# Pre-condition: test namespace does not exist
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output_message=$(! kubectl get ns/my-namespace 2>&1 "${kube_flags[@]}")
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kube::test::if_has_string "${output_message}" ' not found'
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# Dry-run command
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kubectl create namespace my-namespace --dry-run=client
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kubectl create namespace my-namespace --dry-run=server
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output_message=$(! kubectl get ns/my-namespace 2>&1 "${kube_flags[@]}")
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kube::test::if_has_string "${output_message}" ' not found'
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# Command
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kubectl create namespace my-namespace
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# Post-condition: namespace 'my-namespace' is created.
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@@ -1325,6 +1395,21 @@ run_namespace_tests() {
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kube::test::if_has_string "${output_message}" 'warning: deleting cluster-scoped resources'
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kube::test::if_has_string "${output_message}" 'namespace "my-namespace" deleted'
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### Quota
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kubectl create namespace quotas
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kube::test::get_object_assert 'namespaces/quotas' "{{$id_field}}" 'quotas'
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kube::test::get_object_assert 'quota --namespace=quotas' "{{range.items}}{{ if eq $id_field \\\"test-quota\\\" }}found{{end}}{{end}}:" ':'
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# Dry-run command
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kubectl create quota test-quota --dry-run=client --namespace=quotas
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kubectl create quota test-quota --dry-run=server --namespace=quotas
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kube::test::get_object_assert 'quota --namespace=quotas' "{{range.items}}{{ if eq $id_field \\\"test-quota\\\" }}found{{end}}{{end}}:" ':'
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# Command
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kubectl create quota test-quota --namespace=quotas
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kube::test::get_object_assert 'quota --namespace=quotas' "{{range.items}}{{ if eq $id_field \\\"test-quota\\\" }}found{{end}}{{end}}:" 'found:'
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# Clean up
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kubectl delete quota test-quota --namespace=quotas
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kubectl delete namespace quotas
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######################
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# Pods in Namespaces #
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######################
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