initial commit

Change-Id: I2e2564a72b6be9af536235fc3795fd788fd9257b

.circleci/config.yml

@@ -0,0 +1,67 @@
+version: 2
+jobs:
+  lint-scripts:
+    docker:
+      - image: koalaman/shellcheck-alpine
+    steps:
+      - checkout
+      - run:
+          command: |
+            shellcheck -x .circleci/install_charts.sh
+            shellcheck -x .circleci/install_tools.sh
+            shellcheck -x .circleci/release.sh
+  lint-charts:
+    docker:
+      - image: quay.io/helmpack/chart-testing:latest
+    steps:
+      - checkout
+      - run:
+          command: |
+            ct lint --all --validate-maintainers=false --config .circleci/ct.yaml
+  install-charts:
+    machine: true
+    steps:
+      - checkout
+      - run:
+          no_output_timeout: 20m
+          command: .circleci/install_charts.sh
+  release-charts:
+    machine: true
+    steps:
+      - checkout
+      - add_ssh_keys:
+          fingerprints:
+            - "7f:84:3b:70:a1:c8:63:8e:dc:5f:51:51:b8:f4:7c:76"
+      - run:
+          command: |
+            echo "export GIT_REPOSITORY_URL=$CIRCLE_REPOSITORY_URL" >> $BASH_ENV
+            echo "export GIT_USERNAME=$CIRCLE_PROJECT_USERNAME" >> $BASH_ENV
+            .circleci/install_tools.sh
+            .circleci/release.sh
+workflows:
+  version: 2
+  lint-test-release:
+    jobs:
+      - lint-scripts:
+          filters:
+            branches:
+              ignore: gh-pages
+      - lint-charts:
+          filters:
+            branches:
+              ignore: gh-pages
+      - install-charts:
+          requires:
+            - lint-charts
+          filters:
+            branches:
+              ignore: gh-pages
+      - release-charts:
+          requires:
+            - lint-charts
+            - install-charts
+          filters:
+            tags:
+              ignore: /.*/
+            branches:
+              only: main

.circleci/ct.yaml

@@ -0,0 +1 @@
+chart-dirs: .

.circleci/install_charts.sh

@@ -0,0 +1,126 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+readonly CT_VERSION=latest
+readonly KIND_VERSION=v0.31.0
+readonly CLUSTER_NAME=chart-testing
+readonly REPO_ROOT="${REPO_ROOT:-$(git rev-parse --show-toplevel)}"
+readonly KEDA_VERSION=2.19.0
+
+find_latest_tag() {
+    if ! git describe --tags --abbrev=0 2>/dev/null; then
+        git rev-list --max-parents=0 --first-parent HEAD
+    fi
+}
+
+create_ct_container() {
+    echo "Starting Chart Testing container"
+    docker run --rm --interactive --detach --network host --name ct \
+        --volume "$(pwd)/.circleci/ct.yaml:/etc/ct/ct.yaml" \
+        --volume "$(pwd):/workdir" \
+        --workdir /workdir \
+        "quay.io/helmpack/chart-testing:${CT_VERSION}" \
+        cat
+}
+
+cleanup() {
+    echo "Removing ct container"
+    docker kill ct >/dev/null 2>&1 || true
+}
+
+docker_exec() {
+    docker exec --interactive --tty ct "$@"
+}
+
+create_kind_cluster() {
+    echo "Installing kind"
+    curl -sSLo kind "https://github.com/kubernetes-sigs/kind/releases/download/${KIND_VERSION}/kind-linux-amd64"
+    chmod +x kind
+    sudo mv kind /usr/local/bin/kind
+
+    echo "Creating cluster"
+    kind create cluster --name "${CLUSTER_NAME}" --wait 5m -q
+
+    echo "Copying kubeconfig to container"
+    local kubeconfig
+    kubeconfig="$(pwd)/kube-config"
+    kind get kubeconfig --name "${CLUSTER_NAME}" | tee "${kubeconfig}"
+    docker_exec mkdir -p /root/.kube
+    docker cp "${kubeconfig}" ct:/root/.kube/config
+
+    docker_exec kubectl cluster-info
+    docker_exec kubectl get nodes
+}
+
+install_local_path_provisioner() {
+    docker_exec kubectl delete storageclass standard
+    docker_exec kubectl apply -f "https://raw.githubusercontent.com/rancher/local-path-provisioner/master/deploy/local-path-storage.yaml"
+}
+
+install_keda() {
+    docker_exec kubectl apply -f "https://github.com/kedacore/keda/releases/download/v${KEDA_VERSION}/keda-${KEDA_VERSION}-core.yaml" || true
+}
+
+install_charts() {
+    docker_exec ct install --all
+    echo
+}
+
+main() {
+    pushd "${REPO_ROOT}" >/dev/null
+
+    echo "Fetching tags"
+    git fetch --tags
+
+    local latest_tag
+    latest_tag=$(find_latest_tag)
+
+    local latest_tag_rev
+    latest_tag_rev=$(git rev-parse --verify "${latest_tag}")
+    echo "${latest_tag_rev} ${latest_tag} (latest tag)"
+
+    local head_rev
+    head_rev=$(git rev-parse --verify HEAD)
+    echo "${head_rev} HEAD"
+
+    if [[ "${latest_tag_rev}" == "${head_rev}" ]]; then
+        echo "No code changes. Nothing to release."
+        exit
+    fi
+
+    echo "Identifying changed charts since tag ${latest_tag}"
+
+    local changed_charts=()
+    readarray -t changed_charts <<< "$(git diff --find-renames --name-only "${latest_tag_rev}" | grep '\.yaml$' | cut -d '/' -f 1 | sort -u)"
+
+    if [[ -n "${changed_charts[*]}" ]]; then
+        local changes_pending=no
+        for chart in "${changed_charts[@]}"; do
+            if [[ -f "${chart}/Chart.yaml" ]]; then
+                changes_pending=yes
+                break
+            fi
+        done
+
+        if [[ "${changes_pending}" == "yes" ]]; then
+            create_ct_container
+            trap cleanup EXIT
+
+            create_kind_cluster
+            install_local_path_provisioner
+            install_keda
+            install_charts
+        else
+            echo "Nothing to do. No chart changes detected."
+        fi
+    else
+        echo "Nothing to do. No chart changes detected."
+    fi
+
+    popd >/dev/null
+}
+
+main

.circleci/install_tools.sh

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+#!/bin/bash
+
+set -o errexit
+
+readonly HELM_VERSION=3.19.4
+readonly CHART_RELEASER_VERSION=1.8.1
+
+install_helm() {
+    echo "Installing Helm"
+    curl -sSLO "https://get.helm.sh/helm-v${HELM_VERSION}-linux-amd64.tar.gz"
+    sudo mkdir -p "/usr/local/helm-v${HELM_VERSION}"
+    sudo tar -xzf "helm-v${HELM_VERSION}-linux-amd64.tar.gz" -C "/usr/local/helm-v${HELM_VERSION}"
+    sudo ln -s "/usr/local/helm-v${HELM_VERSION}/linux-amd64/helm" /usr/local/bin/helm
+    sudo chmod +x /usr/local/helm-v${HELM_VERSION}/linux-amd64/helm
+    rm -f "helm-v${HELM_VERSION}-linux-amd64.tar.gz"
+}
+
+install_cr() {
+    echo "Installing Chart Releaser"
+    curl -sSLO "https://github.com/helm/chart-releaser/releases/download/v${CHART_RELEASER_VERSION}/chart-releaser_${CHART_RELEASER_VERSION}_linux_amd64.tar.gz"
+    sudo mkdir -p "/usr/local/chart-releaser-v${CHART_RELEASER_VERSION}"
+    sudo tar -xzf "chart-releaser_${CHART_RELEASER_VERSION}_linux_amd64.tar.gz" -C "/usr/local/chart-releaser-v${CHART_RELEASER_VERSION}"
+    sudo ln -s "/usr/local/chart-releaser-v${CHART_RELEASER_VERSION}/cr" /usr/local/bin/cr
+    sudo chmod +x "/usr/local/chart-releaser-v${CHART_RELEASER_VERSION}/cr"
+    rm -f "chart-releaser_${CHART_RELEASER_VERSION}_linux_amd64.tar.gz"
+}
+
+main() {
+    install_helm
+    install_cr
+}
+
+main

.circleci/release.sh

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+#!/bin/bash
+
+set -o nounset
+
+: "${CR_TOKEN:?Environment variable CR_TOKEN must be set}"
+: "${GIT_REPOSITORY_URL:?Environment variable GIT_REPOSITORY_URL must be set}"
+: "${GIT_USERNAME:?Environment variable GIT_USERNAME must be set}"
+: "${GIT_EMAIL:?Environment variable GIT_EMAIL must be set}"
+
+readonly OWNER=haproxytech
+readonly GIT_REPO=helm-charts
+readonly PACKAGE_PATH=.deploy
+readonly CHARTS_URL=https://haproxytech.github.io/helm-charts
+readonly REPO_ROOT="${REPO_ROOT:-$(git rev-parse --show-toplevel)}"
+
+find_latest_tag() {
+    if ! git describe --tags --abbrev=0 2>/dev/null; then
+        git rev-list --max-parents=0 --first-parent HEAD
+    fi
+}
+
+package_chart() {
+    local chart="$1"
+    helm dependency build "${chart}"
+    helm package "${chart}" --destination "${PACKAGE_PATH}"
+}
+
+release_charts() {
+    echo "Upload Helm chart packages to GitHub"
+    cr upload -o "${OWNER}" -r "${GIT_REPO}" -p "${PACKAGE_PATH}"
+
+    echo "Upload Helm chart packages to GHCR OCI"
+    echo "${HELM_GH_TOKEN}" | helm registry login ghcr.io --username "${OWNER}" --password-stdin
+
+    for chart in "${PACKAGE_PATH}"/*.tgz; do
+        helm push "${chart}" "oci://ghcr.io/${OWNER}/${GIT_REPO}"
+    done
+}
+
+update_index() {
+    echo "Generating Helm chart index"
+    git config user.email "${GIT_EMAIL}"
+    git config user.name "${GIT_USERNAME}"
+    git checkout gh-pages
+
+    cr index -i index.yaml -o "${OWNER}" -r "${GIT_REPO}" -c "${CHARTS_URL}" -p "${PACKAGE_PATH}"
+
+    git add index.yaml
+    git commit --message="Update index.yaml" --signoff
+    git push "${GIT_REPOSITORY_URL}" gh-pages
+}
+
+main() {
+    pushd "${REPO_ROOT}" >/dev/null || exit 1
+
+    echo "Fetching tags"
+    git fetch --tags
+
+    local latest_tag
+    latest_tag=$(find_latest_tag)
+
+    local latest_tag_rev
+    latest_tag_rev=$(git rev-parse --verify "${latest_tag}")
+    echo "${latest_tag_rev} ${latest_tag} (latest tag)"
+
+    local head_rev
+    head_rev=$(git rev-parse --verify HEAD)
+    echo "${head_rev} HEAD"
+
+    if [[ "${latest_tag_rev}" == "${head_rev}" ]]; then
+        echo "No code changes. Nothing to release."
+        exit
+    fi
+
+    mkdir -p "${PACKAGE_PATH}"
+
+    echo "Identifying changed charts since tag ${latest_tag}"
+
+    local changed_charts=()
+    readarray -t changed_charts <<< "$(git diff --find-renames --name-only "${latest_tag_rev}" | grep 'Chart.yaml$' | cut -d '/' -f 1 | sort -u)"
+
+    if [[ -n "${changed_charts[*]}" ]]; then
+        local release_pending=no
+        for chart in "${changed_charts[@]}"; do
+            if [[ -f "${chart}/Chart.yaml" ]]; then
+                release_pending=yes
+                echo "Packaging chart ${chart}"
+                package_chart "${chart}"
+            fi
+        done
+
+        if [[ "${release_pending}" == "yes" ]]; then
+            release_charts
+            update_index
+        else
+            echo "Nothing to do. No chart changes detected."
+        fi
+    else
+        echo "Nothing to do. No chart changes detected."
+    fi
+
+    popd >/dev/null || exit 1
+}
+
+main