k8s.io/kubernetes@v1.29.3/test/cmd/plugins.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 run_plugins_tests() { 22 set -o nounset 23 set -o errexit 24 25 kube::log::status "Testing kubectl plugins" 26 27 # Create a folder which only contains our kubectl executable 28 TEMP_PATH=$(mktemp -d /tmp/tmp-kubectl-path-XXXXX) 29 ln -s "$(which kubectl)" "${TEMP_PATH}/kubectl" 30 31 # test plugins that overwrite existing kubectl commands 32 output_message=$(! PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/version" kubectl plugin list 2>&1) 33 kube::test::if_has_string "${output_message}" 'kubectl-version overwrites existing command: "kubectl version"' 34 35 # test plugins that overwrite similarly-named plugins 36 output_message=$(! PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins:test/fixtures/pkg/kubectl/plugins/foo" kubectl plugin list 2>&1) 37 kube::test::if_has_string "${output_message}" 'test/fixtures/pkg/kubectl/plugins/foo/kubectl-foo is overshadowed by a similarly named plugin' 38 39 # test plugins with no warnings 40 output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins" kubectl plugin list 2>&1) 41 kube::test::if_has_string "${output_message}" 'plugins are available' 42 43 # no plugins 44 output_message=$(! PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/empty" kubectl plugin list 2>&1) 45 kube::test::if_has_string "${output_message}" 'unable to find any kubectl plugins in your PATH' 46 47 # attempt to run a plugin in the user's PATH 48 output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins" kubectl foo) 49 kube::test::if_has_string "${output_message}" 'plugin foo' 50 51 # check arguments passed to the plugin 52 output_message=$(PATH=${PATH}:"test/fixtures/pkg/kubectl/plugins/bar" kubectl bar arg1) 53 kube::test::if_has_string "${output_message}" 'test/fixtures/pkg/kubectl/plugins/bar/kubectl-bar arg1' 54 55 # ensure that a kubectl command supersedes a plugin that overshadows it 56 output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/version" kubectl version --client) 57 kube::test::if_has_string "${output_message}" 'Client Version' 58 kube::test::if_has_not_string "${output_message}" 'overshadows an existing plugin' 59 60 # attempt to run a plugin as a subcommand of kubectl create in the user's PATH 61 output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/create" kubectl create foo) 62 kube::test::if_has_string "${output_message}" 'plugin foo as a subcommand of kubectl create command' 63 64 # ensure that a kubectl create cronjob builtin command supersedes a plugin that overshadows it 65 output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/create" kubectl create cronjob --help) 66 kube::test::if_has_not_string "${output_message}" 'plugin cronjob as a subcommand of kubectl create command' 67 68 rm -fr "${TEMP_PATH}" 69 70 set +o nounset 71 set +o errexit 72 }