k8s.io/kubernetes@v1.31.0-alpha.0.0.20240520171757-56147500dadc/test/cmd/save-config.sh (about)

     1  #!/usr/bin/env bash
     2  
     3  # Copyright 2018 The Kubernetes Authors.
     4  #
     5  # Licensed under the Apache License, Version 2.0 (the "License");
     6  # you may not use this file except in compliance with the License.
     7  # You may obtain a copy of the License at
     8  #
     9  #     http://www.apache.org/licenses/LICENSE-2.0
    10  #
    11  # Unless required by applicable law or agreed to in writing, software
    12  # distributed under the License is distributed on an "AS IS" BASIS,
    13  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  # See the License for the specific language governing permissions and
    15  # limitations under the License.
    16  
    17  set -o errexit
    18  set -o nounset
    19  set -o pipefail
    20  
    21  # Runs tests for --save-config tests.
    22  run_save_config_tests() {
    23    set -o nounset
    24    set -o errexit
    25  
    26    kube::log::status "Testing kubectl --save-config"
    27    ## Configuration annotations should be set when --save-config is enabled
    28    ## 1. kubectl create --save-config should generate configuration annotation
    29    # Pre-Condition: no POD exists
    30    create_and_use_new_namespace
    31    kube::test::get_object_assert pods "{{range.items}}{{${id_field:?}}}:{{end}}" ''
    32    # Command: create a pod "test-pod"
    33    kubectl create -f hack/testdata/pod.yaml --save-config "${kube_flags[@]:?}"
    34    # Post-Condition: pod "test-pod" has configuration annotation
    35    grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}")"
    36    # Clean up
    37    kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}"
    38    ## 2. kubectl edit --save-config should generate configuration annotation
    39    # Pre-Condition: no POD exists, then create pod "test-pod", which shouldn't have configuration annotation
    40    create_and_use_new_namespace
    41    kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
    42    kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}"
    43    ! grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}")" || exit 1
    44    # Command: edit the pod "test-pod"
    45    temp_editor="${KUBE_TEMP}/tmp-editor.sh"
    46    echo -e "#!/usr/bin/env bash\n${SED} -i \"s/test-pod-label/test-pod-label-edited/g\" \$@" > "${temp_editor}"
    47    chmod +x "${temp_editor}"
    48    EDITOR=${temp_editor} kubectl edit pod test-pod --save-config "${kube_flags[@]}"
    49    # Post-Condition: pod "test-pod" has configuration annotation
    50    grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}")"
    51    # Clean up
    52    kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}"
    53    ## 3. kubectl replace --save-config should generate configuration annotation
    54    # Pre-Condition: no POD exists, then create pod "test-pod", which shouldn't have configuration annotation
    55    create_and_use_new_namespace
    56    kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
    57    kubectl create -f hack/testdata/pod.yaml "${kube_flags[@]}"
    58    ! grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}")" || exit 1
    59    # Command: replace the pod "test-pod"
    60    kubectl replace -f hack/testdata/pod.yaml --save-config "${kube_flags[@]}"
    61    # Post-Condition: pod "test-pod" has configuration annotation
    62    grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get pods test-pod -o yaml "${kube_flags[@]}")"
    63    # Clean up
    64    kubectl delete -f hack/testdata/pod.yaml "${kube_flags[@]}"
    65    ## 4. kubectl run --save-config should generate configuration annotation
    66    # Pre-Condition: no pods exists
    67    kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
    68    # Command: create the pod "nginx" with image nginx
    69    kubectl run nginx "--image=$IMAGE_NGINX" --save-config "${kube_flags[@]}"
    70    # Post-Condition: pod "nginx" has configuration annotation
    71    grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get pod nginx -o yaml "${kube_flags[@]}")"
    72    ## 5. kubectl expose --save-config should generate configuration annotation
    73    # Pre-Condition: no service exists
    74    kube::test::get_object_assert svc "{{range.items}}{{$id_field}}:{{end}}" ''
    75    # Command: expose the rc "nginx"
    76    kubectl expose pod nginx --save-config --port=80 --target-port=8000 "${kube_flags[@]}"
    77    # Post-Condition: service "nginx" has configuration annotation
    78    grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get svc nginx -o yaml "${kube_flags[@]}")"
    79    # Clean up
    80    kubectl delete pod,svc nginx
    81    ## 6. kubectl autoscale --save-config should generate configuration annotation
    82    # Pre-Condition: no RC exists, then create the rc "frontend", which shouldn't have configuration annotation
    83    kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
    84    kubectl create -f hack/testdata/frontend-controller.yaml "${kube_flags[@]}"
    85    ! grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get rc frontend -o yaml "${kube_flags[@]}")" || exit 1
    86    # Command: autoscale rc "frontend"
    87    kubectl autoscale -f hack/testdata/frontend-controller.yaml --save-config "${kube_flags[@]}" --max=2
    88    # Post-Condition: hpa "frontend" has configuration annotation
    89    grep -q "kubectl.kubernetes.io/last-applied-configuration" <<< "$(kubectl get hpa frontend -o yaml "${kube_flags[@]}")"
    90    # Ensure we can interact with HPA objects in lists through autoscaling/v2 APIs
    91    output_message=$(kubectl get hpa -o=jsonpath='{.items[0].apiVersion}' 2>&1 "${kube_flags[@]}")
    92    kube::test::if_has_string "${output_message}" 'autoscaling/v2'
    93    output_message=$(kubectl get hpa.autoscaling -o=jsonpath='{.items[0].apiVersion}' 2>&1 "${kube_flags[@]}")
    94    kube::test::if_has_string "${output_message}" 'autoscaling/v2'
    95    # tests kubectl group prefix matching
    96    output_message=$(kubectl get hpa.autoscal -o=jsonpath='{.items[0].apiVersion}' 2>&1 "${kube_flags[@]}")
    97    kube::test::if_has_string "${output_message}" 'autoscaling/v2'
    98    # Clean up
    99    # Note that we should delete hpa first, otherwise it may fight with the rc reaper.
   100    kubectl delete hpa frontend "${kube_flags[@]}"
   101    kubectl delete rc  frontend "${kube_flags[@]}"
   102  
   103    set +o nounset
   104    set +o errexit
   105  }