82 lines
2.8 KiB
Bash
82 lines
2.8 KiB
Bash
#!/usr/bin/env bash
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# Copyright 2020 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o errexit
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set -o nounset
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set -o pipefail
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run_exec_credentials_tests() {
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set -o nounset
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set -o errexit
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kube::log::status "Testing kubectl with configured exec credentials plugin"
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cat > "${TMPDIR:-/tmp}"/invalid_exec_plugin.yaml << EOF
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apiVersion: v1
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clusters:
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- cluster:
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name: test
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contexts:
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- context:
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cluster: test
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user: invalid_token_user
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name: test
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current-context: test
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kind: Config
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preferences: {}
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users:
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- name: invalid_token_user
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user:
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exec:
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apiVersion: client.authentication.k8s.io/v1beta1
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# Any invalid exec credential plugin will do to demonstrate
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command: ls
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EOF
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### Provided --token should take precedence, thus not triggering the (invalid) exec credential plugin
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# Pre-condition: Client certificate authentication enabled on the API server
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kube::util::test_client_certificate_authentication_enabled
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# Command
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output=$(kubectl "${kube_flags_with_token[@]:?}" --kubeconfig="${TMPDIR:-/tmp}"/invalid_exec_plugin.yaml get namespace kube-system -o name || true)
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if [[ "${output}" == "namespace/kube-system" ]]; then
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kube::log::status "exec credential plugin not triggered since kubectl was called with provided --token"
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else
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kube::log::status "Unexpected output when providing --token for authentication - exec credential plugin likely triggered. Output: ${output}"
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exit 1
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fi
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# Post-condition: None
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### Without provided --token, the exec credential plugin should be triggered
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# Pre-condition: Client certificate authentication enabled on the API server - already checked by positive test above
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# Command
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output2=$(kubectl "${kube_flags_without_token[@]:?}" --kubeconfig="${TMPDIR:-/tmp}"/invalid_exec_plugin.yaml get namespace kube-system -o name 2>&1 || true)
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if [[ "${output2}" =~ "json parse error" ]]; then
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kube::log::status "exec credential plugin triggered since kubectl was called without provided --token"
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else
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kube::log::status "Unexpected output when not providing --token for authentication - exec credential plugin not triggered. Output: ${output2}"
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exit 1
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fi
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# Post-condition: None
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rm "${TMPDIR:-/tmp}"/invalid_exec_plugin.yaml
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set +o nounset
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set +o errexit
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}
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