aws · jmdeal · Nov 10, 2023 · Nov 10, 2023
@@ -0,0 +1,20 @@
+name: InstallHelm
+description: 'Installs helm'
+inputs:
+  version:
+    description: "Version of Helm to install"
+    required: true
+runs:
+  using: "composite"
+  steps:
+    - name: install helm
+      shell: bash
+      run: |
+        TEMPDIR=$(mktemp -d)
+        curl -fsSL -o "${TEMPDIR}/get_helm.sh" https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
+        chmod 700 "${TEMPDIR}/get_helm.sh"
+        "${TEMPDIR}/get_helm.sh" --version ${{ inputs.version }}
+    - name: install helm-diff
+      shell: bash
+      run: |
+        helm plugin install https://github.com/databus23/helm-diff || true
@@ -1,61 +1,57 @@
 name: Release
 on:
-  workflow_run:
-    workflows: [ReleaseTrigger]
-    types: [completed]
+  push:
+    tags: [ 'v*.*.*' ]
 permissions:
-  id-token: write
-  pull-requests: write
-  contents: write
+  id-token: write # aws-actions/[email protected]
+  contents: write # marvinpinto/action-automatic-releases@latest
+  pull-requests: write # name: Create PR
 jobs:
   release:
-    if: github.event.workflow_run.conclusion == 'success' && contains(fromJson('["push"]'), github.event.workflow_run.event)
+    if: github.repository == 'aws/karpenter'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: ./.github/actions/download-artifact
-      - run: |
-          tag=$(head -n 1 /tmp/artifacts/metadata.txt)
-          tag_commit=$(tail -n 1 /tmp/artifacts/metadata.txt)
-          echo "TAG_COMMIT=$tag_commit" >> $GITHUB_ENV
-          echo "TAG=$tag" >> $GITHUB_ENV
-      - name: Checkout the repository out again at the given SHA from the artifact
-        uses: actions/checkout@v3
+      - name: Create GitHub Release
+        uses: 'marvinpinto/action-automatic-releases@latest'
         with:
-          fetch-depth: 0
-          ref: ${{ env.TAG_COMMIT }}
+          repo_token: '${{ secrets.GITHUB_TOKEN }}'
+          prerelease: false
+      - id: tag
+        run: |
+          TAG="$(git describe --tags --exact-match)"
+          echo TAG="${TAG}" >> "$GITHUB_OUTPUT"
       - uses: ./.github/actions/install-deps
-      - uses: ./.github/actions/authenticate-aws
-      - uses: ./.github/actions/authenticate-ghcr
+      - uses: ./.github/actions/e2e/install-helm
+        with:
+          version: v3.12.3 # Pinned to this version since v3.13.0 has issues with pushing to public ECR: https://github.com/helm/helm/issues/12442
+      - uses: aws-actions/[email protected]
         with:
-          actor: ${{ github.actor }}
-          secret: ${{ secrets.GITHUB_TOKEN }}
+          role-to-assume: 'arn:aws:iam::${{ vars.ECR_ACCOUNT_ID }}:role/${{ vars.ECR_RELEASE_ROLE_NAME }}'
+          aws-region: ${{ vars.ECR_REGION }}
       - run: make release
       - run: make docgen
-      - name: Autogenerate and commit files for PR for major and minor releases only
-        if: endsWith(env.TAG ,'.0')
-        run: make prepare-website
+      - run: make prepare-website
       - run: make stable-release-pr
-        if: env.TAG != 'no tag'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GITHUB_REPO: ${{ github.repository }}
       - name: Create PR
-        if: env.TAG != 'no tag'
+        if: steps.tag.outputs.TAG != 'no tag'
         uses: actions/github-script@v6
         with:
           script: |
             const { repo, owner } = context.repo;
             const result = await github.rest.pulls.create({
-              title: 'chore: Release ${{ env.TAG }}',
+              title: 'chore: Release ${{ steps.tag.outputs.TAG }}',
               owner,
               repo,
-              head: 'release-${{ env.TAG }}',
+              head: 'release-${{ steps.tag.outputs.TAG }}',
               base: 'main',
               body: [
-                'Stable Release Changes for ${{ env.TAG }}.',
+                'Stable Release Changes for ${{ steps.tag.outputs.TAG }}.',
                 'Please disregard this PR if it is for a patch release.',
                 'Please remove the branch after merging.',
                 'This PR is generated by [StableRelease](https://github.com/aws/karpenter/actions/workflows/stable-release.yml).'

@@ -8,12 +8,13 @@ config(){
   RELEASE_REPO_ECR=${RELEASE_REPO_ECR:-public.ecr.aws/${ECR_GALLERY_NAME}/}
   RELEASE_REPO_GH=${RELEASE_REPO_GH:-ghcr.io/${GITHUB_ACCOUNT}/karpenter}
 
-  MAIN_GITHUB_ACCOUNT="aws"
-  PRIVATE_PULL_THROUGH_HOST="${AWS_ACCOUNT_ID}.dkr.ecr.us-east-1.amazonaws.com"
-  SNS_TOPIC_ARN="arn:aws:sns:us-east-1:${AWS_ACCOUNT_ID}:KarpenterReleases"
+  PRIVATE_HOST="${AWS_ACCOUNT_ID}.dkr.ecr.us-east-1.amazonaws.com"
+  SNAPSHOT_REPO_ECR=${SNAPSHOT_REPO_ECR:-${PRIVATE_HOST}/karpenter/snapshot/}
+
   CURRENT_MAJOR_VERSION="0"
   RELEASE_PLATFORM="--platform=linux/amd64,linux/arm64"
 
+  MAIN_GITHUB_ACCOUNT="aws"
   RELEASE_TYPE_STABLE="stable"
   RELEASE_TYPE_SNAPSHOT="snapshot"
 }
@@ -27,26 +28,35 @@ versionData(){
   RELEASE_VERSION_MINOR="${VERSION#*.}"
   RELEASE_VERSION_MINOR="${RELEASE_VERSION_MINOR%.*}"
   RELEASE_VERSION_PATCH="${VERSION##*.}"
+  RELEASE_MINOR_VERSION="v${RELEASE_VERSION_MAJOR}.${RELEASE_VERSION_MINOR}"
 }
 
-release() {
+snapshot() {
   RELEASE_VERSION=$1
-  echo "Release Type: $(releaseType "${RELEASE_VERSION}")
+  echo "Release Type: snapshot
 Release Version: ${RELEASE_VERSION}
 Commit: $(git rev-parse HEAD)
 Helm Chart Version $(helmChartVersion $RELEASE_VERSION)"
 
-  PR_NUMBER=${GH_PR_NUMBER:-}
-  if [ "${GH_PR_NUMBER+defined}" != defined ]; then
-   PR_NUMBER="none"
-  fi
+  authenticatePrivateRepo
+  buildImages ${SNAPSHOT_REPO_ECR}
+  cosignImages
+  publishHelmChart "karpenter" "${RELEASE_VERSION}" "${SNAPSHOT_REPO_ECR}"
+  publishHelmChart "karpenter-crd" "${RELEASE_VERSION}" "${SNAPSHOT_REPO_ECR}"
+}
+
+release() {
+  RELEASE_VERSION=$1
+  echo "Release Type: stable
+Release Version: ${RELEASE_VERSION}
+Commit: $(git rev-parse HEAD)
+Helm Chart Version $(helmChartVersion $RELEASE_VERSION)"
 
   authenticate
-  buildImages
+  buildImages ${RELEASE_REPO_ECR}
   cosignImages
   publishHelmChart "karpenter" "${RELEASE_VERSION}" "${RELEASE_REPO_ECR}"
   publishHelmChart "karpenter-crd" "${RELEASE_VERSION}" "${RELEASE_REPO_ECR}"
-  notifyRelease "$RELEASE_VERSION" $PR_NUMBER
   pullPrivateReplica "$RELEASE_VERSION"
 }
 
@@ -55,11 +65,14 @@ authenticate() {
 }
 
 authenticatePrivateRepo() {
-  aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin ${PRIVATE_PULL_THROUGH_HOST}
+  aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin ${PRIVATE_HOST}
 }
 
 buildImages() {
-    CONTROLLER_IMG=$(GOFLAGS=${GOFLAGS} KO_DOCKER_REPO=${RELEASE_REPO_ECR} ko publish -B -t "${RELEASE_VERSION}" "${RELEASE_PLATFORM}" ./cmd/controller)
+    RELEASE_REPO=$1
+    # Set the SOURCE_DATE_EPOCH and KO_DATA_DATE_EPOCH values for reproducable builds with timestamps
+    # https://ko.build/advanced/faq/
+    CONTROLLER_IMG=$(GOFLAGS=${GOFLAGS} SOURCE_DATE_EPOCH=$(git log -1 --format='%ct') KO_DATA_DATE_EPOCH=$(git log -1 --format='%ct') KO_DOCKER_REPO=${RELEASE_REPO} ko publish -B -t "${RELEASE_VERSION}" "${RELEASE_PLATFORM}" ./cmd/controller)
     HELM_CHART_VERSION=$(helmChartVersion "$RELEASE_VERSION")
     IMG_REPOSITORY=$(echo "$CONTROLLER_IMG" | cut -d "@" -f 1 | cut -d ":" -f 1)
     IMG_TAG=$(echo "$CONTROLLER_IMG" | cut -d "@" -f 1 | cut -d ":" -f 2 -s)
@@ -85,23 +98,21 @@ releaseType(){
 
 helmChartVersion(){
     RELEASE_VERSION=$1
-    if [[ $(releaseType $RELEASE_VERSION) == $RELEASE_TYPE_STABLE ]]; then
-      echo $RELEASE_VERSION
+    if [[ $(releaseType "$RELEASE_VERSION") == "$RELEASE_TYPE_STABLE" ]]; then
+      echo "$RELEASE_VERSION"
     fi
 
-    if [[ $(releaseType $RELEASE_VERSION) == $RELEASE_TYPE_SNAPSHOT ]]; then
+    if [[ $(releaseType "$RELEASE_VERSION") == "$RELEASE_TYPE_SNAPSHOT" ]]; then
       echo "v${CURRENT_MAJOR_VERSION}-${RELEASE_VERSION}"
     fi
 }
 
 buildDate(){
-    # TODO restore https://reproducible-builds.org/docs/source-date-epoch/
+    # Set the SOURCE_DATE_EPOCH and KO_DATA_DATE_EPOCH values for reproducable builds with timestamps
+    # https://ko.build/advanced/faq/
     DATE_FMT="+%Y-%m-%dT%H:%M:%SZ"
-    if [ -z "${SOURCE_DATE_EPOCH-}" ]; then
-        echo $(date -u ${DATE_FMT})
-    else
-        echo$(date -u -d "${SOURCE_DATE_EPOCH}" "${DATE_FMT}" 2>/dev/null || date -u -r "${SOURCE_DATE_EPOCH}" "$(DATE_FMT)" 2>/dev/null || date -u "$(DATE_FMT)")
-    fi
+    SOURCE_DATE_EPOCH=$(git log -1 --format='%ct')
+    echo "$(date -u -r "${SOURCE_DATE_EPOCH}" $DATE_FMT 2>/dev/null)"
 }
 
 cosignImages() {
@@ -112,22 +123,10 @@ cosignImages() {
         "${CONTROLLER_IMG}"
 }
 
-notifyRelease() {
-    RELEASE_VERSION=$1
-    PR_NUMBER=$2
-    RELEASE_TYPE=$(releaseType $RELEASE_VERSION)
-    LAST_STABLE_RELEASE_TAG=$(git describe --tags --abbrev=0)
-    MESSAGE="{\"releaseType\":\"${RELEASE_TYPE}\",\"releaseIdentifier\":\"${RELEASE_VERSION}\",\"prNumber\":\"${PR_NUMBER}\",\"githubAccount\":\"${GITHUB_ACCOUNT}\",\"lastStableReleaseTag\":\"${LAST_STABLE_RELEASE_TAG}\"}"
-    aws sns publish \
-        --topic-arn ${SNS_TOPIC_ARN} \
-        --message ${MESSAGE} \
-        --no-cli-pager
-}
-
 pullPrivateReplica(){
   authenticatePrivateRepo
   RELEASE_IDENTIFIER=$1
-  PULL_THROUGH_CACHE_PATH="${PRIVATE_PULL_THROUGH_HOST}/ecr-public/${ECR_GALLERY_NAME}/"
+  PULL_THROUGH_CACHE_PATH="${PRIVATE_HOST}/ecr-public/${ECR_GALLERY_NAME}/"
   HELM_CHART_VERSION=$(helmChartVersion "$RELEASE_VERSION")
   docker pull "${PULL_THROUGH_CACHE_PATH}controller:${RELEASE_IDENTIFIER}"
   helm pull "oci://${PULL_THROUGH_CACHE_PATH}karpenter" --version "${HELM_CHART_VERSION}"
@@ -138,52 +137,61 @@ publishHelmChart() {
     CHART_NAME=$1
     RELEASE_VERSION=$2
     RELEASE_REPO=$3
-    HELM_CHART_VERSION=$(helmChartVersion $RELEASE_VERSION)
+    HELM_CHART_VERSION=$(helmChartVersion "$RELEASE_VERSION")
     HELM_CHART_FILE_NAME="${CHART_NAME}-${HELM_CHART_VERSION}.tgz"
 
     cd charts
     helm dependency update "${CHART_NAME}"
     helm lint "${CHART_NAME}"
-    helm package "${CHART_NAME}" --version $HELM_CHART_VERSION
+    helm package "${CHART_NAME}" --version "$HELM_CHART_VERSION"
     helm push "${HELM_CHART_FILE_NAME}" "oci://${RELEASE_REPO}"
     rm "${HELM_CHART_FILE_NAME}"
     cd ..
 }
 
 createNewWebsiteDirectory() {
     RELEASE_VERSION=$1
-    mkdir -p website/content/en/${RELEASE_VERSION}
-    cp -r website/content/en/preview/* website/content/en/${RELEASE_VERSION}/
-    find website/content/en/${RELEASE_VERSION}/ -type f | xargs perl -i -p -e "s/{{< param \"latest_release_version\" >}}/${RELEASE_VERSION}/g;"
-    find website/content/en/${RELEASE_VERSION}/*/*/*.yaml -type f | xargs perl -i -p -e "s/preview/${RELEASE_VERSION}/g;"
-}
+    versionData "${RELEASE_VERSION}"
 
-editWebsiteConfig() {
-  RELEASE_VERSION=$1
+    mkdir -p "website/content/en/${RELEASE_MINOR_VERSION}"
+    cp -r website/content/en/preview/* "website/content/en/${RELEASE_MINOR_VERSION}/"
+    find "website/content/en/${RELEASE_MINOR_VERSION}/" -type f | xargs perl -i -p -e "s/{{< param \"latest_release_version\" >}}/${RELEASE_VERSION}/g;"
+    find website/content/en/${RELEASE_MINOR_VERSION}/*/*/*.yaml -type f | xargs perl -i -p -e "s/preview/${RELEASE_MINOR_VERSION}/g;"
+    find "website/content/en/${RELEASE_MINOR_VERSION}/" -type f | xargs perl -i -p -e "s/{{< githubRelRef >}}/\/${RELEASE_VERSION}\//g;"
 
-  # sed has a different syntax on mac
-  if [[ "$OSTYPE" == "darwin"* ]]; then
-    sed -i '' '/^\/docs\/\*/d' website/static/_redirects
-  else
-    sed -i '/^\/docs\/\*/d' website/static/_redirects
-  fi
+    rm -rf website/content/en/docs
+    mkdir -p website/content/en/docs
+    cp -r website/content/en/${RELEASE_MINOR_VERSION}/* website/content/en/docs/
+}
 
-  echo "/docs/*     	                /${RELEASE_VERSION}/:splat" >>website/static/_redirects
+removeOldWebsiteDirectories() {
+  local n=5
+  # Get all the directories except the last n directories sorted from earliest to latest version
+  last_n_versions=$(find website/content/en/* -type d -name "*" -maxdepth 0 | grep -v "preview\|docs" | sort | tail -n "$n")
+  last_n_versions+=$(echo -e "\nwebsite/content/en/preview")
+  last_n_versions+=$(echo -e "\nwebsite/content/en/docs")
+  all=$(find website/content/en/* -type d -name "*" -maxdepth 0)
+  ## symmetric difference
+  comm -3 <(sort <<< $last_n_versions) <(sort <<< $all) | tr -d '\t' | xargs -r -n 1 rm -r
+}
 
+editWebsiteConfig() {
+  RELEASE_VERSION=$1
   yq -i ".params.latest_release_version = \"${RELEASE_VERSION}\"" website/config.yaml
-  yq -i ".menu.main[] |=select(.name == \"Docs\") .url = \"${RELEASE_VERSION}\"" website/config.yaml
 }
 
 # editWebsiteVersionsMenu sets relevant releases in the version dropdown menu of the website
 # without increasing the size of the set.
-# TODO: We need to maintain a list of latest minors here only. This is not currently
-# easy to achieve, however when we have a major release and we decide to maintain
-# a selected minor releases we can maintain that list in the repo and use it in here
 editWebsiteVersionsMenu() {
   RELEASE_VERSION=$1
-  VERSIONS=(${RELEASE_VERSION})
+  versionData "${RELEASE_VERSION}"
+  VERSIONS=("${RELEASE_MINOR_VERSION}")
   while IFS= read -r LINE; do
     SANITIZED_VERSION=$(echo "${LINE}" | sed -e 's/["-]//g' -e 's/ *//g')
+    # Bail from this config.yaml update if the version is already in the existing list
+    if [[ "${RELEASE_MINOR_VERSION}" == "${SANITIZED_VERSION}" ]]; then
+      return
+    fi
     VERSIONS+=("${SANITIZED_VERSION}")
   done < <(yq '.params.versions' website/config.yaml)
   unset VERSIONS[${#VERSIONS[@]}-2]

@@ -2,18 +2,19 @@
 set -euo pipefail
 
 GIT_TAG=$(git describe --exact-match --tags || echo "no tag")
+if [[ "$GIT_TAG" == "no tag" ]]; then
+    echo "Failed to release: commit is untagged"
+    exit 1
+fi
 HEAD_HASH=$(git rev-parse HEAD)
 
 SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
 source "${SCRIPT_DIR}/common.sh"
-
 config
-release $HEAD_HASH #release a snapshot version
-## Reset changes if it's a snapshot since we don't need to track these changes
-## and results in a -dirty commit hash for a stable release
-git reset --hard
 
-if [[ $(releaseType $GIT_TAG) == $RELEASE_TYPE_STABLE ]]; then
-  release $GIT_TAG
+# Don't release with a dirty commit!
+if [[ "$(git status --porcelain)" != "" ]]; then
+    exit 1
 fi
 
+release "$GIT_TAG"