58 lines
2.5 KiB
Bash
Executable File
58 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2021 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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# Utilities for parsing Kubernetes changelog.
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# find_latest_patch_version finds the latest released patch version for the
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# given branch.
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# We use the version to track what API surface the generated Python client
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# corresponds to, and collect all API change release notes up to that version.
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# There is one tricky point: the code generator we use pulls the latest OpenAPI
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# spec from the given branch. The spec may contain API changes that aren't
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# documented in the Kubernetes release notes. Until the code generator pulls
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# the spec from a tag instead of the branch, we can only collect the release
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# notes the next time we generate the client.
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function util::kube_changelog::find_latest_patch_version {
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local kubernetes_branch=$1
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# trim "release-" prefix
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local version=${kubernetes_branch:8}
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local changelog="/tmp/k8s-changelog-$version.md"
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curl -s -o $changelog "https://raw.githubusercontent.com/kubernetes/kubernetes/master/CHANGELOG/CHANGELOG-$version.md"
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echo $(grep "v$version" $changelog | head -1 | sed 's/- \[//g' | sed 's/\].*//g')
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rm -f $changelog
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}
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# get_api_changelog gets the API Change release notes in the given Kubernetes
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# branch for all versions newer than the given trim version.
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function util::kube_changelog::get_api_changelog {
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local kubernetes_branch="$1"
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local trim_version="$2"
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# trim "release-" prefix
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local version=${kubernetes_branch:8}
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local changelog="/tmp/k8s-changelog-$version.md"
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curl -s -o $changelog "https://raw.githubusercontent.com/kubernetes/kubernetes/master/CHANGELOG/CHANGELOG-$version.md"
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# remove changelog for versions less than or equal to $trim_version
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sed -i "/^# $trim_version$/q" $changelog
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# ignore section titles and empty lines; add "kubernetes/kubernetes" to links; replace newline with liternal "\n"
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release_notes=$(sed -n "/^### API Change/,/^#/{/^#/!p}" $changelog | sed -n "{/^$/!p}" | sed 's/(\[\#/(\[kubernetes\/kubernetes\#/g' | sed ':a;N;$!ba;s/\n/\\n/g')
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rm -f $changelog
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echo "$release_notes"
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}
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