ceph-csi/vendor/k8s.io/kubernetes/test/cmd/get.sh
2018-11-26 13:23:56 -05:00

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#!/usr/bin/env bash
# Copyright 2018 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -o errexit
set -o nounset
set -o pipefail
run_kubectl_get_tests() {
set -o nounset
set -o errexit
create_and_use_new_namespace
kube::log::status "Testing kubectl get"
### Test retrieval of non-existing pods
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
output_message=$(! kubectl get pods abc 2>&1 "${kube_flags[@]}")
# Post-condition: POD abc should error since it doesn't exist
kube::test::if_has_string "${output_message}" 'pods "abc" not found'
### Test retrieval of non-existing POD with output flag specified
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
output_message=$(! kubectl get pods abc 2>&1 "${kube_flags[@]}" -o name)
# Post-condition: POD abc should error since it doesn't exist
kube::test::if_has_string "${output_message}" 'pods "abc" not found'
### Test retrieval of pods when none exist with non-human readable output format flag specified
# Pre-condition: no pods exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
output_message=$(kubectl get pods 2>&1 "${kube_flags[@]}" -o json)
# Post-condition: The text "No resources found" should not be part of the output
kube::test::if_has_not_string "${output_message}" 'No resources found'
# Command
output_message=$(kubectl get pods 2>&1 "${kube_flags[@]}" -o yaml)
# Post-condition: The text "No resources found" should not be part of the output
kube::test::if_has_not_string "${output_message}" 'No resources found'
# Command
output_message=$(kubectl get pods 2>&1 "${kube_flags[@]}" -o name)
# Post-condition: The text "No resources found" should not be part of the output
kube::test::if_has_not_string "${output_message}" 'No resources found'
# Command
output_message=$(kubectl get pods 2>&1 "${kube_flags[@]}" -o jsonpath='{.items}')
# Post-condition: The text "No resources found" should not be part of the output
kube::test::if_has_not_string "${output_message}" 'No resources found'
# Command
output_message=$(kubectl get pods 2>&1 "${kube_flags[@]}" -o go-template='{{.items}}')
# Post-condition: The text "No resources found" should not be part of the output
kube::test::if_has_not_string "${output_message}" 'No resources found'
# Command
output_message=$(kubectl get pods 2>&1 "${kube_flags[@]}" -o custom-columns=NAME:.metadata.name)
# Post-condition: The text "No resources found" should not be part of the output
kube::test::if_has_not_string "${output_message}" 'No resources found'
### Test retrieval of pods when none exist, with human-readable output format flag specified
# Pre-condition: no pods exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
output_message=$(! kubectl get foobar 2>&1 "${kube_flags[@]}")
# Post-condition: The text "No resources found" should not be part of the output when an error occurs
kube::test::if_has_not_string "${output_message}" 'No resources found'
# Command
output_message=$(kubectl get pods 2>&1 "${kube_flags[@]}")
# Post-condition: The text "No resources found" should be part of the output
kube::test::if_has_string "${output_message}" 'No resources found'
# Command
output_message=$(kubectl get pods --ignore-not-found 2>&1 "${kube_flags[@]}")
# Post-condition: The text "No resources found" should not be part of the output
kube::test::if_has_not_string "${output_message}" 'No resources found'
# Command
output_message=$(kubectl get pods 2>&1 "${kube_flags[@]}" -o wide)
# Post-condition: The text "No resources found" should be part of the output
kube::test::if_has_string "${output_message}" 'No resources found'
### Test retrieval of non-existing POD with json output flag specified
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
output_message=$(! kubectl get pods abc 2>&1 "${kube_flags[@]}" -o json)
# Post-condition: POD abc should error since it doesn't exist
kube::test::if_has_string "${output_message}" 'pods "abc" not found'
# Post-condition: make sure we don't display an empty List
if kube::test::if_has_string "${output_message}" 'List'; then
echo 'Unexpected List output'
echo "${LINENO} $(basename $0)"
exit 1
fi
### Test kubectl get all
output_message=$(kubectl --v=6 --namespace default get all --chunk-size=0 2>&1 "${kube_flags[@]}")
# Post-condition: Check if we get 200 OK from all the url(s)
kube::test::if_has_string "${output_message}" "/api/v1/namespaces/default/pods 200 OK"
kube::test::if_has_string "${output_message}" "/api/v1/namespaces/default/replicationcontrollers 200 OK"
kube::test::if_has_string "${output_message}" "/api/v1/namespaces/default/services 200 OK"
kube::test::if_has_string "${output_message}" "/apis/apps/v1/namespaces/default/daemonsets 200 OK"
kube::test::if_has_string "${output_message}" "/apis/apps/v1/namespaces/default/deployments 200 OK"
kube::test::if_has_string "${output_message}" "/apis/apps/v1/namespaces/default/replicasets 200 OK"
kube::test::if_has_string "${output_message}" "/apis/apps/v1/namespaces/default/statefulsets 200 OK"
kube::test::if_has_string "${output_message}" "/apis/autoscaling/v1/namespaces/default/horizontalpodautoscalers 200"
kube::test::if_has_string "${output_message}" "/apis/batch/v1/namespaces/default/jobs 200 OK"
kube::test::if_has_not_string "${output_message}" "/apis/extensions/v1beta1/namespaces/default/daemonsets 200 OK"
kube::test::if_has_not_string "${output_message}" "/apis/extensions/v1beta1/namespaces/default/deployments 200 OK"
kube::test::if_has_not_string "${output_message}" "/apis/extensions/v1beta1/namespaces/default/replicasets 200 OK"
### Test kubectl get chunk size
output_message=$(kubectl --v=6 get clusterrole --chunk-size=10 2>&1 "${kube_flags[@]}")
# Post-condition: Check if we get a limit and continue
kube::test::if_has_string "${output_message}" "/clusterroles?limit=10 200 OK"
kube::test::if_has_string "${output_message}" "/v1/clusterroles?continue="
### Test kubectl get chunk size defaults to 500
output_message=$(kubectl --v=6 get clusterrole 2>&1 "${kube_flags[@]}")
# Post-condition: Check if we get a limit and continue
kube::test::if_has_string "${output_message}" "/clusterroles?limit=500 200 OK"
### Test kubectl get chunk size does not result in a --watch error when resource list is served in multiple chunks
# Pre-condition: ConfigMap one two tree does not exist
kube::test::get_object_assert 'configmaps' '{{range.items}}{{ if eq $id_field \"one\" }}found{{end}}{{end}}:' ':'
kube::test::get_object_assert 'configmaps' '{{range.items}}{{ if eq $id_field \"two\" }}found{{end}}{{end}}:' ':'
kube::test::get_object_assert 'configmaps' '{{range.items}}{{ if eq $id_field \"three\" }}found{{end}}{{end}}:' ':'
# Post-condition: Create three configmaps and ensure that we can --watch them with a --chunk-size of 1
kubectl create cm one "${kube_flags[@]}"
kubectl create cm two "${kube_flags[@]}"
kubectl create cm three "${kube_flags[@]}"
output_message=$(kubectl get configmap --chunk-size=1 --watch --request-timeout=1s 2>&1 "${kube_flags[@]}")
kube::test::if_has_not_string "${output_message}" "watch is only supported on individual resources"
output_message=$(kubectl get configmap --chunk-size=1 --watch-only --request-timeout=1s 2>&1 "${kube_flags[@]}")
kube::test::if_has_not_string "${output_message}" "watch is only supported on individual resources"
### Test --allow-missing-template-keys
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml "${kube_flags[@]}"
# Post-condition: valid-pod POD is created
kubectl get "${kube_flags[@]}" pods -o json
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
## check --allow-missing-template-keys defaults to true for jsonpath templates
kubectl get "${kube_flags[@]}" pod valid-pod -o jsonpath='{.missing}'
## check --allow-missing-template-keys defaults to true for go templates
kubectl get "${kube_flags[@]}" pod valid-pod -o go-template='{{.missing}}'
## check --template flag causes go-template to be printed, even when no --output value is provided
output_message=$(kubectl get "${kube_flags[@]}" pod valid-pod --template="{{$id_field}}:")
kube::test::if_has_string "${output_message}" 'valid-pod:'
## check --allow-missing-template-keys=false results in an error for a missing key with jsonpath
output_message=$(! kubectl get pod valid-pod --allow-missing-template-keys=false -o jsonpath='{.missing}' 2>&1 "${kube_flags[@]}")
kube::test::if_has_string "${output_message}" 'missing is not found'
## check --allow-missing-template-keys=false results in an error for a missing key with go
output_message=$(! kubectl get pod valid-pod --allow-missing-template-keys=false -o go-template='{{.missing}}' "${kube_flags[@]}")
kube::test::if_has_string "${output_message}" 'map has no entry for key "missing"'
### Test kubectl get watch
output_message=$(kubectl get pods -w --request-timeout=1 "${kube_flags[@]}")
kube::test::if_has_string "${output_message}" 'STATUS' # headers
kube::test::if_has_string "${output_message}" 'valid-pod' # pod details
output_message=$(kubectl get pods/valid-pod -o name -w --request-timeout=1 "${kube_flags[@]}")
kube::test::if_has_not_string "${output_message}" 'STATUS' # no headers
kube::test::if_has_string "${output_message}" 'pod/valid-pod' # resource name
output_message=$(kubectl get pods/valid-pod -o yaml -w --request-timeout=1 "${kube_flags[@]}")
kube::test::if_has_not_string "${output_message}" 'STATUS' # no headers
kube::test::if_has_string "${output_message}" 'name: valid-pod' # yaml
output_message=$(! kubectl get pods/invalid-pod -w --request-timeout=1 "${kube_flags[@]}" 2>&1)
kube::test::if_has_string "${output_message}" '"invalid-pod" not found'
# cleanup
kubectl delete pods valid-pod "${kube_flags[@]}"
### Test 'kubectl get -f <file> -o <non default printer>' prints all the items in the file's list
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f test/fixtures/doc-yaml/user-guide/multi-pod.yaml "${kube_flags[@]}"
# Post-condition: PODs redis-master and valid-pod exist
# Check that all items in the list are printed
output_message=$(kubectl get -f test/fixtures/doc-yaml/user-guide/multi-pod.yaml -o jsonpath="{..metadata.name}" "${kube_flags[@]}")
kube::test::if_has_string "${output_message}" "redis-master valid-pod"
# cleanup
kubectl delete pods redis-master valid-pod "${kube_flags[@]}"
set +o nounset
set +o errexit
}
run_retrieve_multiple_tests() {
set -o nounset
set -o errexit
# switch back to the default namespace
kubectl config set-context "${CONTEXT}" --namespace=""
kube::log::status "Testing kubectl(v1:multiget)"
kube::test::get_object_assert 'nodes/127.0.0.1 service/kubernetes' "{{range.items}}{{$id_field}}:{{end}}" '127.0.0.1:kubernetes:'
set +o nounset
set +o errexit
}
run_kubectl_sort_by_tests() {
set -o nounset
set -o errexit
kube::log::status "Testing kubectl --sort-by"
### sort-by should not panic if no pod exists
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl get pods --sort-by="{metadata.name}"
kubectl get pods --sort-by="{metadata.creationTimestamp}"
### sort-by should works if pod exists
# Create POD
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml
# Post-condition: valid-pod is created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Check output of sort-by
output_message=$(kubectl get pods --sort-by="{metadata.name}")
kube::test::if_has_string "${output_message}" "valid-pod"
# ensure sort-by receivers objects as Table
output_message=$(kubectl get pods --v=8 --sort-by="{metadata.name}" 2>&1)
kube::test::if_has_string "${output_message}" "as=Table"
# ensure sort-by requests the full object
kube::test::if_has_string "${output_message}" "includeObject=Object"
### Clean up
# Pre-condition: valid-pod exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete "${kube_flags[@]}" pod valid-pod --grace-period=0 --force
# Post-condition: valid-pod doesn't exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### sort-by should works by sorting by name
# Create three PODs
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" -f hack/testdata/sorted-pods/sorted-pod1.yaml
# Post-condition: sorted-pod1 is created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'sorted-pod1:'
# Command
kubectl create "${kube_flags[@]}" -f hack/testdata/sorted-pods/sorted-pod2.yaml
# Post-condition: sorted-pod1 is created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'sorted-pod1:sorted-pod2:'
# Command
kubectl create "${kube_flags[@]}" -f hack/testdata/sorted-pods/sorted-pod3.yaml
# Post-condition: sorted-pod1 is created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'sorted-pod1:sorted-pod2:sorted-pod3:'
# Check output of sort-by '{metadata.name}'
output_message=$(kubectl get pods --sort-by="{metadata.name}")
kube::test::if_sort_by_has_correct_order "${output_message}" "sorted-pod1:sorted-pod2:sorted-pod3:"
# Check output of sort-by '{metadata.labels.name}'
output_message=$(kubectl get pods --sort-by="{metadata.labels.name}")
kube::test::if_sort_by_has_correct_order "${output_message}" "sorted-pod3:sorted-pod2:sorted-pod1:"
# if sorting, we should be able to use any field in our objects
output_message=$(kubectl get pods --sort-by="{spec.containers[0].name}")
kube::test::if_sort_by_has_correct_order "${output_message}" "sorted-pod2:sorted-pod1:sorted-pod3:"
# ensure sorting by creation timestamps works
output_message=$(kubectl get pods --sort-by="{metadata.creationTimestamp}")
kube::test::if_sort_by_has_correct_order "${output_message}" "sorted-pod1:sorted-pod2:sorted-pod3:"
# ensure sorting using fallback codepath still works
output_message=$(kubectl get pods --sort-by="{spec.containers[0].name}" --server-print=false --v=8 2>&1)
kube::test::if_sort_by_has_correct_order "${output_message}" "sorted-pod2:sorted-pod1:sorted-pod3:"
kube::test::if_has_not_string "${output_message}" "Table"
### Clean up
# Pre-condition: valid-pod exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'sorted-pod1:sorted-pod2:sorted-pod3:'
# Command
kubectl delete "${kube_flags[@]}" pod --grace-period=0 --force --all
# Post-condition: valid-pod doesn't exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
set +o nounset
set +o errexit
}
run_kubectl_all_namespace_tests() {
set -o nounset
set -o errexit
kube::log::status "Testing kubectl --all-namespace"
# Pre-condition: the "default" namespace exists
kube::test::get_object_assert namespaces "{{range.items}}{{if eq $id_field \\\"default\\\"}}{{$id_field}}:{{end}}{{end}}" 'default:'
### Create POD
# Pre-condition: no POD exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml
# Post-condition: valid-pod is created
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
### Verify a specific namespace is ignored when all-namespaces is provided
# Command
kubectl get pods --all-namespaces --namespace=default
### Check --all-namespaces option shows namespaces
# Create objects in multiple namespaces
kubectl create "${kube_flags[@]}" namespace all-ns-test-1
kubectl create "${kube_flags[@]}" serviceaccount test -n all-ns-test-1
kubectl create "${kube_flags[@]}" namespace all-ns-test-2
kubectl create "${kube_flags[@]}" serviceaccount test -n all-ns-test-2
# Ensure listing across namespaces displays the namespace
output_message=$(kubectl get serviceaccounts --all-namespaces "${kube_flags[@]}")
kube::test::if_has_string "${output_message}" "all-ns-test-1"
kube::test::if_has_string "${output_message}" "all-ns-test-2"
# Clean up
kubectl delete "${kube_flags[@]}" namespace all-ns-test-1
kubectl delete "${kube_flags[@]}" namespace all-ns-test-2
### Clean up
# Pre-condition: valid-pod exists
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
# Command
kubectl delete "${kube_flags[@]}" pod valid-pod --grace-period=0 --force
# Post-condition: valid-pod doesn't exist
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
### Verify flag all-namespaces is ignored for rootScoped resources
# Pre-condition: node exists
kube::test::get_object_assert nodes "{{range.items}}{{$id_field}}:{{end}}" '127.0.0.1:'
# Command
output_message=$(kubectl get nodes --all-namespaces 2>&1)
# Post-condition: output with no NAMESPACE field
kube::test::if_has_not_string "${output_message}" "NAMESPACE"
set +o nounset
set +o errexit
}