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
17set -o errexit
18set -o nounset
19set -o pipefail
20
21# Runs tests for --save-config tests.
22run_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}
View as plain text