mirror of https://github.com/status-im/consul.git
195 lines
7.8 KiB
Bash
Executable File
195 lines
7.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# This script is meant to run on every new commit to master in CircleCI. If the commit comes from a PR, it will
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# check the PR associated with the commit for labels. If the label matches `docs*` it will be cherry-picked
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# to stable-website. If the label matches `backport/*`, it will be cherry-picked to the appropriate `release/*`
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# branch.
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# Requires $CIRCLE_PROJECT_USERNAME, $CIRCLE_PROJECT_REPONAME, and $CIRCLE_SHA1 from CircleCI
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set -o pipefail
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# colorized status prompt
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function status {
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tput setaf 4
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echo "$@"
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tput sgr0
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}
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# Returns the latest GitHub "backport/*" label
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function get_latest_backport_label {
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local resp
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local ret
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local latest_backport_label
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resp=$(curl -f -s -H "Authorization: token ${GITHUB_TOKEN}" "https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}/labels")
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ret="$?"
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if [[ "$ret" -ne 0 ]]; then
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status "The GitHub API returned $ret which means it was probably rate limited."
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exit $ret
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fi
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latest_backport_label=$(echo "$resp" | jq -r '.[] | select(.name | startswith("backport/")) | .name' | sort -rV | head -n1)
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echo "$latest_backport_label"
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return 0
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}
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# This function will do the cherry-picking of a commit on a branch
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# Exit 1 if cherry-picking fails
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function cherry_pick_with_slack_notification {
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# Arguments:
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# $1 - branch to cherry-pick to
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# $2 - commit to cherry-pick
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# $3 - url to PR of commit
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#
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# Return:
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# 0 for success
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# 1 for error
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local branch="$1"
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local commit="$2"
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local pr_url="$3"
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git checkout "$branch" || exit 1
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# If git cherry-pick fails or it fails to push, we send a failure notification
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if ! (git cherry-pick --mainline 1 "$commit" && git push origin "$branch"); then
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status "🍒❌ Cherry pick of commit ${commit:0:7} from $pr_url onto $branch failed!"
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# send slack notification
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curl -X POST -H 'Content-type: application/json' \
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--data \
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"{ \
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\"attachments\": [ \
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{ \
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\"fallback\": \"Cherry pick failed!\", \
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\"text\": \"🍒❌ Cherry picking of <$pr_url|${commit:0:7}> to \`$branch\` failed!\n\nBuild Log: ${CIRCLE_BUILD_URL}\", \
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\"footer\": \"${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}\", \
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\"ts\": \"$(date +%s)\", \
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\"color\": \"danger\" \
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} \
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] \
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}" "${CONSUL_SLACK_WEBHOOK_URL}"
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# post PR comment to GitHub
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github_message=":cherries::x: Cherry pick of commit ${commit} onto \`$branch\` failed! [Build Log]($CIRCLE_BUILD_URL)"
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pr_id=$(basename ${pr_url})
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curl -f -s -H "Authorization: token ${GITHUB_TOKEN}" \
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-X POST \
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-d "{ \"body\": \"${github_message}\"}" \
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"https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}/issues/${pr_id}/comments"
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# run git status to leave error in CircleCI log
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git status
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return 1
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# Else we send a success notification
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else
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status "🍒✅ Cherry picking of PR commit ${commit:0:7} from ${pr_url} succeeded!"
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curl -X POST -H 'Content-type: application/json' \
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--data \
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"{ \
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\"attachments\": [ \
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{ \
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\"fallback\": \"Cherry pick succeeded!\", \
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\"text\": \"🍒✅ Cherry picking of <$pr_url|${commit:0:7}> to \`$branch\` succeeded!\", \
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\"footer\": \"${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}\", \
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\"ts\": \"$(date +%s)\", \
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\"color\": \"good\" \
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} \
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] \
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}" "${CONSUL_SLACK_WEBHOOK_URL}"
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# post PR comment to GitHub
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github_message=":cherries::white_check_mark: Cherry pick of commit ${commit} onto \`$branch\` succeeded!"
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pr_id=$(basename ${pr_url})
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curl -f -s -H "Authorization: token ${GITHUB_TOKEN}" \
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-X POST \
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-d "{ \"body\": \"${github_message}\"}" \
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"https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}/issues/${pr_id}/comments"
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fi
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return 0
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}
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# search for the PR labels applicable to the specified commit
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resp=$(curl -f -s -H "Authorization: token ${GITHUB_TOKEN}" "https://api.github.com/search/issues?q=repo:${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}+sha:${CIRCLE_SHA1}")
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ret="$?"
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if [[ "$ret" -ne 0 ]]; then
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status "The GitHub API returned $ret which means it was probably rate limited."
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exit $ret
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fi
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# get the count from the GitHub API to check if the commit matched a PR
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count=$(echo "$resp" | jq '.total_count')
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if [[ "$count" -eq 0 ]]; then
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status "This commit was not associated with a PR"
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exit 0
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fi
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# save PR number
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pr_number=$(echo "$resp" | jq '.items[].number')
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# comment on the PR with the build number to make it easy to re-run the job when
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# cherry-pick labels are added in the future
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github_message=":cherries: If backport labels were added before merging, cherry-picking will start automatically.\n\nTo retroactively trigger a backport after merging, add backport labels and re-run ${CIRCLE_BUILD_URL}."
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curl -f -s -H "Authorization: token ${GITHUB_TOKEN}" \
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-X POST \
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-d "{ \"body\": \"${github_message}\"}" \
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"https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}/issues/${pr_number}/comments"
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# If the API returned a non-zero count, we have found a PR with that commit so we find
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# the labels from the PR
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# Sorts the labels from a PR via version sort
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labels=$(echo "$resp" | jq --raw-output '.items[].labels[] | .name' | sort -rV)
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ret="$?"
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pr_url=$(echo "$resp" | jq --raw-output '.items[].pull_request.html_url')
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if [[ "$ret" -ne 0 ]]; then
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status "jq exited with $ret when trying to find label names. Are there labels applied to the PR ($pr_url)?"
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# This can be a valid error but usually this means we do not have any labels so it doesn't signal
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# cherry-picking is possible. Exit 0 for now unless we run into cases where these failures are important.
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exit 0
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fi
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# Attach label for latest release branch if 'docs-cherrypick' is present. Will noop if already applied.
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latest_backport_label=$(get_latest_backport_label)
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status "latest backport label is $latest_backport_label"
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if echo "$resp" | jq -e '.items[].labels[] | select(.name | contains("docs-cherrypick"))'; then
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labels=$(curl -f -s -H "Authorization: token ${GITHUB_TOKEN}" -X POST -d "{\"labels\":[\"$latest_backport_label\"]}" "https://api.github.com/repos/${CIRCLE_PROJECT_USERNAME}/${CIRCLE_PROJECT_REPONAME}/issues/${pr_number}/labels" | jq --raw-output '.[].name' | sort -rV)
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ret="$?"
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if [[ "$ret" -ne 0 ]]; then
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status "Error applying $latest_backport_label to $pr_url"
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exit $ret
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fi
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fi
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backport_failures=0
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# loop through all labels on the PR
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for label in $labels; do
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git config --local user.email "hashicorp-ci@users.noreply.github.com"
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git config --local user.name "hashicorp-ci"
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status "checking label: $label"
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# if the label matches docs-cherrypick, it will attempt to cherry-pick to stable-website
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if [[ $label =~ docs-cherrypick ]]; then
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status "backporting to stable-website"
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branch="stable-website"
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cherry_pick_with_slack_notification "$branch" "$CIRCLE_SHA1" "$pr_url"
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backport_failures=$((backport_failures + "$?"))
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# else if the label matches backport/*, it will attempt to cherry-pick to the release branch
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elif [[ $label =~ backport/* ]]; then
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status "backporting to $label"
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branch="${label/backport/release}.x"
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cherry_pick_with_slack_notification "$branch" "$CIRCLE_SHA1" "$pr_url"
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backport_failures=$((backport_failures + "$?"))
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fi
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# reset the working directory for the next label
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git reset --hard
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done
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if [ "$backport_failures" -ne 0 ]; then
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echo "$backport_failures backports failed"
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exit 1
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fi
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