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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,224 @@ | ||
| #!/usr/bin/env bash | ||
|
|
||
| # Write output to error output stream. | ||
| echo_stderr() { | ||
| echo -e "${1}" >&2 | ||
| } | ||
|
|
||
| die() | ||
| { | ||
| local _return="${2:-1}" | ||
| echo_stderr "$1" | ||
| exit "${_return}" | ||
| } | ||
|
|
||
| help() { | ||
| cat <<EOF | ||
| Usage: $(basename "$0") [OPTIONS] | ||
| Options: | ||
| --dry-run Get the final version without modifying. | ||
| --branch <branch name> Name of the target branch. | ||
| --tag <tag> Release tag. | ||
| --type <release/develop> Which branch to modify. | ||
| --chart-version <version> Version of the current chart. | ||
| --publish-release To modify the charts for a release. | ||
| Examples: | ||
| $(basename "$0") --branch release/x.y | ||
| EOF | ||
| } | ||
|
|
||
| check_tag_is_valid() { | ||
| local tag="$1" | ||
| local current_chart_version="$2" | ||
|
|
||
| if [[ "$(semver validate $tag)" != "valid" ]]; then | ||
| die "Tag is not a valid sevmer complaint version" | ||
| fi | ||
|
|
||
| if [[ $current_chart_version != *"-prerelease" ]]; then | ||
| die "Chart version($current_chart_version) should be a prerelease format to proceed for tag creation flow" | ||
| fi | ||
|
|
||
| allowed_diff=("" "patch" "prerelease") | ||
| diff="$(semver diff "$tag" "$current_chart_version")" | ||
| if ! [[ " ${allowed_diff[*]} " =~ " $diff " ]]; then | ||
| die "For release/x.y branch the current chart version($current_chart_version)'s X.Y must exactly match X.Y from tag ($tag)" | ||
| fi | ||
| } | ||
|
|
||
| # yq-go eats up blank lines | ||
| # this function gets around that using diff with --ignore-blank-lines | ||
| yq_ibl() | ||
| { | ||
| set +e | ||
| diff_out=$(diff -B <(yq '.' "$2") <(yq "$1" "$2")) | ||
| error=$? | ||
| if [ "$error" != "0" ] && [ "$error" != "1" ]; then | ||
| exit "$error" | ||
| fi | ||
| if [ -n "$diff_out" ]; then | ||
| echo "$diff_out" | patch --quiet --no-backup-if-mismatch "$2" - | ||
| fi | ||
| set -euo pipefail | ||
| } | ||
|
|
||
| # RULES: This would run only when changes are pushed to a release/x.y branch. | ||
| # 1. Branch name can only be of format release/x.y | ||
| # 2. If current chart version of type develop(on branch creation), | ||
| # then version generated is of format x.y.0-prerelease if type is "release" | ||
| # 3. If current chart version of type develop(on branch creation), | ||
| # then version generated is of format x.y+1.0-develop if type is develop. | ||
| # 4. If current chart version of type prerelease(after branch creation), | ||
| # then for type release it's a no op as it's already a prerelease format. | ||
| # 5. If current chart version of type prerelease(after branch creation), | ||
| # then for type develop it's a no op as the version to be would be same as it is currently. | ||
| # 6. Let's say for somereason someone tries to create a release/x.y branch from develop but chart version | ||
| # on develop is newer than x.y, example, release/2.2 and develop chart version is 2.5.0-develop. | ||
| # In that case for type release, the version would be 2.2.0-prerelease and for type develop it would be | ||
| # a no op as develop is already newer. | ||
| create_version_from_release_branch() { | ||
| if [[ "$BRANCH_NAME" =~ ^(release/[0-9]+\.[0-9]+)$ ]]; then | ||
| local EXTRACTED_VERSION=$(echo "$BRANCH_NAME" | grep -oP '(?<=release/)\d+\.\d+') | ||
| if [[ "$TYPE" == "release" ]]; then | ||
| if [[ "$CURRENT_CHART_VERSION" == *"-develop" ]]; then | ||
| VERSION="${EXTRACTED_VERSION}.0-prerelease" | ||
| elif [[ "$CURRENT_CHART_VERSION" == *"-prerelease" ]]; then | ||
| NO_OP=1 | ||
| else | ||
| die "Current chart version doesn't match a develop or prerel format" | ||
| fi | ||
| elif [[ "$TYPE" == "develop" ]]; then | ||
| EXPECTED_VERSION="$(semver bump minor "$EXTRACTED_VERSION.0")-develop" | ||
| if [[ "$(semver compare $EXPECTED_VERSION $CURRENT_CHART_VERSION)" == 1 ]]; then | ||
| VERSION=$EXPECTED_VERSION | ||
| else | ||
| NO_OP=1 | ||
| fi | ||
| fi | ||
| else | ||
| die "Branch name($BRANCH_NAME) is not of format release/x.y" | ||
| fi | ||
| } | ||
|
|
||
| # RULES: This would run only when tag is created. | ||
| # 1. Tag should be of format vX.Y.Z. | ||
| # 2. If tag is of format vX.Y.Z-rc, it would be a no op for the workflow. | ||
| # 3. The tag can only be vX.Y.Z if the current chart version is X.Y*-prerelease. Ex, v2.6.1 for v2.6.*-prerelease | ||
| # 4. For release branches if all the above holds then it bumps the patch version. Ex, v2.6.1 --> 2.6.2-prerelease | ||
| create_version_from_tag() { | ||
| if [[ "$TAG" =~ ^(v[0-9]+\.[0-9]+\.[0-9]+)$ ]]; then | ||
| local EXTRACTED_VERSION=$(echo "$TAG" | grep -oP '(?<=v)\d+\.\d+.\d+') | ||
| check_tag_is_valid "$EXTRACTED_VERSION" "$CURRENT_CHART_VERSION" | ||
| if [[ -z $PUBLISH_RELEASE ]]; then | ||
| VERSION="$(semver bump patch $EXTRACTED_VERSION)-prerelease" | ||
| if [[ -z $DRY_RUN ]]; then | ||
| echo "release/$(echo $EXTRACTED_VERSION | cut -d'.' -f1,2)" | ||
| fi | ||
| else | ||
| VERSION="$EXTRACTED_VERSION" | ||
| fi | ||
| elif [[ "$TAG" == *"-rc" ]]; then | ||
| if [[ -z $PUBLISH_RELEASE ]]; then | ||
| NO_OP=1 | ||
| else | ||
| local EXTRACTED_VERSION=$(echo "$TAG" | grep -oP '(?<=v)\d+\.\d+\.\d+(-\w+)?') | ||
| check_tag_is_valid "$EXTRACTED_VERSION" "$CURRENT_CHART_VERSION" | ||
| VERSION="$EXTRACTED_VERSION" | ||
| fi | ||
| else | ||
| die "Invalid tag format. Expected 'vX.Y.Z'" | ||
| fi | ||
| } | ||
|
|
||
| update_chart_yaml() { | ||
| local VERSION=$1 | ||
| local APP_VERSION=$2 | ||
|
|
||
| yq_ibl ".version = \"$VERSION\" | .appVersion = \"$APP_VERSION\"" "$CHART_YAML" | ||
| yq_ibl ".localpv.image.tag = \"$VERSION\"" "$VALUES_YAML" | ||
| } | ||
|
|
||
| set -euo pipefail | ||
|
|
||
| DRY_RUN= | ||
| NO_OP= | ||
| CURRENT_CHART_VERSION= | ||
| PUBLISH_RELEASE= | ||
| # Set the path to the Chart.yaml file | ||
| SCRIPT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]:-"$0"}")")" | ||
| ROOT_DIR="$SCRIPT_DIR/.." | ||
| CHART_DIR="$ROOT_DIR/deploy/helm/charts" | ||
| CHART_YAML="$CHART_DIR/Chart.yaml" | ||
| VALUES_YAML="$CHART_DIR/values.yaml" | ||
|
|
||
| # Final computed version to be set in this. | ||
| VERSION="" | ||
|
|
||
| # Parse arguments | ||
| while [ "$#" -gt 0 ]; do | ||
| case $1 in | ||
| -d|--dry-run) | ||
| DRY_RUN=1 | ||
| shift | ||
| ;; | ||
| -h|--help) | ||
| help | ||
| exit 0 | ||
| ;; | ||
| -b|--branch) | ||
| shift | ||
| BRANCH_NAME=$1 | ||
| shift | ||
| ;; | ||
| -t|--tag) | ||
| shift | ||
| TAG=$1 | ||
| shift | ||
| ;; | ||
| --type) | ||
| shift | ||
| TYPE=$1 | ||
| shift | ||
| ;; | ||
| --chart-version) | ||
| shift | ||
| CURRENT_CHART_VERSION=$1 | ||
| shift | ||
| ;; | ||
| --publish-release) | ||
| PUBLISH_RELEASE=1 | ||
| shift | ||
| ;; | ||
| *) | ||
| help | ||
| die "Unknown option: $1" | ||
| ;; | ||
| esac | ||
| done | ||
|
|
||
| if [[ -z $CURRENT_CHART_VERSION ]]; then | ||
| CURRENT_CHART_VERSION=$(yq e '.version' "$CHART_YAML") | ||
| fi | ||
|
|
||
| if [[ -n "${BRANCH_NAME-}" && -n "${TYPE-}" ]]; then | ||
| create_version_from_release_branch | ||
| elif [[ -n "${TAG-}" ]]; then | ||
| create_version_from_tag | ||
| else | ||
| help | ||
| die "Either --branch and --type or --tag and must be specified." | ||
| fi | ||
|
|
||
| if [[ -z $NO_OP ]]; then | ||
| if [[ -n $VERSION ]]; then | ||
| if [[ -z $DRY_RUN ]];then | ||
| update_chart_yaml "$VERSION" "$VERSION" | ||
| else | ||
| echo "$VERSION" | ||
| fi | ||
| else | ||
| die "Failed to update the chart versions" | ||
| fi | ||
| fi |
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