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Merge pull request #23673 from metral/multiple-resources
Automatic merge from submit-queue allow kubectl subcmds to process multiple resources ~~autoscale, expose & patch~~ Many kubectl subcommands were limited to processing one resource at a time. This PR allows those subcommands to process multiple resources. This PR is in reference to https://github.com/kubernetes/kubernetes/pull/23116#issuecomment-202360784 by @deads2k
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k8s-merge-robot
160
hack/test-cmd.sh
160
hack/test-cmd.sh
@@ -876,6 +876,166 @@ __EOF__
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# Clean up
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kubectl delete deployment nginx "${kube_flags[@]}"
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#####################################
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# Recursive Resources via directory #
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#####################################
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### Create multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: no POD exists
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create_and_use_new_namespace
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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# Command
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output_message=$(! kubectl create -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 PODs are created, and since busybox2 is malformed, it should error
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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kube::test::if_has_string "${output_message}" 'error validating data: kind not set'
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## Replace multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl replace -f hack/testdata/recursive/pod-modify --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 PODs are replaced, and since busybox2 is malformed, it should error
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kube::test::get_object_assert pods "{{range.items}}{{${labels_field}.status}}:{{end}}" 'replaced:replaced:'
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kube::test::if_has_string "${output_message}" 'error validating data: kind not set'
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## Describe multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl describe -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 PODs are described, and since busybox2 is malformed, it should error
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kube::test::if_has_string "${output_message}" "app=busybox0"
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kube::test::if_has_string "${output_message}" "app=busybox1"
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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## Annotate multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl annotate -f hack/testdata/recursive/pod annotatekey='annotatevalue' --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 PODs are annotated, and since busybox2 is malformed, it should error
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kube::test::get_object_assert pods "{{range.items}}{{${annotations_field}.annotatekey}}:{{end}}" 'annotatevalue:annotatevalue:'
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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## Apply multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl apply -f hack/testdata/recursive/pod-modify --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 PODs are updated, and since busybox2 is malformed, it should error
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kube::test::get_object_assert pods "{{range.items}}{{${labels_field}.status}}:{{end}}" 'replaced:replaced:'
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kube::test::if_has_string "${output_message}" 'error validating data: kind not set'
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## Convert multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl convert -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 PODs are converted, and since busybox2 is malformed, it should error
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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## Get multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message1=$(kubectl get -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}" -o go-template="{{range.items}}{{$id_field}}:{{end}}")
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output_message2=$(! kubectl get -f hack/testdata/recursive/pod --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 PODs are retrieved, but because busybox2 is malformed, it should not show up
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kube::test::if_has_string "${output_message1}" "busybox0:busybox1:"
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kube::test::if_has_string "${output_message2}" "Object 'Kind' is missing"
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## Label multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl label -f hack/testdata/recursive/pod mylabel='myvalue' --recursive 2>&1 "${kube_flags[@]}")
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echo $output_message
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# Post-condition: busybox0 & busybox1 PODs are labeled, but because busybox2 is malformed, it should not show up
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kube::test::get_object_assert pods "{{range.items}}{{${labels_field}.mylabel}}:{{end}}" 'myvalue:myvalue:'
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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## Patch multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl patch -f hack/testdata/recursive/pod -p='{"spec":{"containers":[{"name":"busybox","image":"prom/busybox"}]}}' --recursive 2>&1 "${kube_flags[@]}")
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echo $output_message
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# Post-condition: busybox0 & busybox1 PODs are patched, but because busybox2 is malformed, it should not show up
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kube::test::get_object_assert pods "{{range.items}}{{$image_field}}:{{end}}" 'prom/busybox:prom/busybox:'
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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### Delete multiple busybox PODs recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl delete -f hack/testdata/recursive/pod --recursive --grace-period=0 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 PODs are deleted, and since busybox2 is malformed, it should error
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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### Create replication controller recursively from directory of YAML files
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# Pre-condition: no replication controller exists
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kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
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# Command
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! kubectl create -f hack/testdata/recursive/rc --recursive "${kube_flags[@]}"
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# Post-condition: frontend replication controller is created
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kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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### Autoscale multiple replication controllers recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 replication controllers exist & 1
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# replica each
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kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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kube::test::get_object_assert 'rc busybox0' "{{$rc_replicas_field}}" '1'
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kube::test::get_object_assert 'rc busybox1' "{{$rc_replicas_field}}" '1'
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# Command
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output_message=$(! kubectl autoscale --min=1 --max=2 -f hack/testdata/recursive/rc --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox replication controllers are autoscaled
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# with min. of 1 replica & max of 2 replicas, and since busybox2 is malformed, it should error
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kube::test::get_object_assert 'hpa busybox0' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 80'
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kube::test::get_object_assert 'hpa busybox1' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 80'
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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kubectl delete hpa busybox0 "${kube_flags[@]}"
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kubectl delete hpa busybox1 "${kube_flags[@]}"
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### Expose multiple replication controllers as service recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 replication controllers exist & 1
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# replica each
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kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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kube::test::get_object_assert 'rc busybox0' "{{$rc_replicas_field}}" '1'
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kube::test::get_object_assert 'rc busybox1' "{{$rc_replicas_field}}" '1'
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# Command
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output_message=$(! kubectl expose -f hack/testdata/recursive/rc --recursive --port=80 2>&1 "${kube_flags[@]}")
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# Post-condition: service exists and the port is unnamed
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kube::test::get_object_assert 'service busybox0' "{{$port_name}} {{$port_field}}" '<no value> 80'
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kube::test::get_object_assert 'service busybox1' "{{$port_name}} {{$port_field}}" '<no value> 80'
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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### Scale multiple replication controllers recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 replication controllers exist & 1
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# replica each
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kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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kube::test::get_object_assert 'rc busybox0' "{{$rc_replicas_field}}" '1'
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kube::test::get_object_assert 'rc busybox1' "{{$rc_replicas_field}}" '1'
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# Command
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output_message=$(! kubectl scale --current-replicas=1 --replicas=2 -f hack/testdata/recursive/rc --recursive 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox replication controllers are scaled to 2 # replicas, and since busybox2 is malformed, it should error
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kube::test::get_object_assert 'rc busybox0' "{{$rc_replicas_field}}" '2'
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kube::test::get_object_assert 'rc busybox1' "{{$rc_replicas_field}}" '2'
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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### Delete multiple busybox replication controllers recursively from directory of YAML files
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# Pre-condition: busybox0 & busybox1 PODs exist
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kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'busybox0:busybox1:'
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# Command
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output_message=$(! kubectl delete -f hack/testdata/recursive/rc --recursive --grace-period=0 2>&1 "${kube_flags[@]}")
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# Post-condition: busybox0 & busybox1 replication controllers are deleted, and since busybox2 is malformed, it should error
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kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
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kube::test::if_has_string "${output_message}" "Object 'Kind' is missing"
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##############
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# Namespaces #
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##############
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