#!/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_plugins_tests() { set -o nounset set -o errexit kube::log::status "Testing kubectl plugins" # Create a folder which only contains our kubectl executable TEMP_PATH=$(mktemp -d /tmp/tmp-kubectl-path-XXXXX) ln -s "$(which kubectl)" "${TEMP_PATH}/kubectl" # test plugins that overwrite existing kubectl commands output_message=$(! PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/version" kubectl plugin list 2>&1) kube::test::if_has_string "${output_message}" 'kubectl-version overwrites existing command: "kubectl version"' # test plugins that overwrite similarly-named plugins output_message=$(! PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins:test/fixtures/pkg/kubectl/plugins/foo" kubectl plugin list 2>&1) kube::test::if_has_string "${output_message}" 'test/fixtures/pkg/kubectl/plugins/foo/kubectl-foo is overshadowed by a similarly named plugin' # test plugins with no warnings output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins" kubectl plugin list 2>&1) kube::test::if_has_string "${output_message}" 'plugins are available' # no plugins output_message=$(! PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/empty" kubectl plugin list 2>&1) kube::test::if_has_string "${output_message}" 'unable to find any kubectl plugins in your PATH' # attempt to run a plugin in the user's PATH output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins" kubectl foo) kube::test::if_has_string "${output_message}" 'plugin foo' # check arguments passed to the plugin output_message=$(PATH=${PATH}:"test/fixtures/pkg/kubectl/plugins/bar" kubectl bar arg1) kube::test::if_has_string "${output_message}" 'test/fixtures/pkg/kubectl/plugins/bar/kubectl-bar arg1' # ensure that a kubectl command supersedes a plugin that overshadows it output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/version" kubectl version --client) kube::test::if_has_string "${output_message}" 'Client Version' kube::test::if_has_not_string "${output_message}" 'overshadows an existing plugin' # attempt to run a plugin as a subcommand of kubectl create in the user's PATH output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/create" kubectl create foo) kube::test::if_has_string "${output_message}" 'plugin foo as a subcommand of kubectl create command' # ensure that a kubectl create cronjob builtin command supersedes a plugin that overshadows it output_message=$(PATH=${TEMP_PATH}:"test/fixtures/pkg/kubectl/plugins/create" kubectl create cronjob --help) kube::test::if_has_not_string "${output_message}" 'plugin cronjob as a subcommand of kubectl create command' rm -fr "${TEMP_PATH}" set +o nounset set +o errexit }