adding .circleci dir?

Signed-off-by: Jeff Billimek <jeff@billimek.com>

.circleci/config.yml

@@ -0,0 +1,65 @@
+version: 2
+jobs:
+  lint-charts:
+    docker:
+      - image: gcr.io/kubernetes-charts-ci/test-image:v3.3.2
+    steps:
+      - checkout
+      - run:
+          name: lint
+          command: |
+            git remote add upstream https://github.com/billimek/billimek-charts
+            git fetch upstream master
+            ct lint --config .circleci/ct.yaml
+  install-charts:
+    machine: true
+    steps:
+      - checkout
+      - run:
+          no_output_timeout: 12m
+          command: .circleci/install_charts.sh
+  lint-scripts:
+    docker:
+      - image: koalaman/shellcheck-alpine
+    steps:
+      - checkout
+      - run:
+          name: lint
+          command: shellcheck -x .circleci/*.sh
+  release-charts:
+    machine: true
+    steps:
+      - checkout
+      - add_ssh_keys:
+          fingerprints:
+            - "07:2a:c4:7a:48:3b:e5:cd:0c:80:bb:0d:be:f1:25:32"
+      - run:
+          command: |
+            echo "export GIT_REPOSITORY_URL=$CIRCLE_REPOSITORY_URL" >> $BASH_ENV
+            echo "export GIT_USERNAME=$CIRCLE_PROJECT_USERNAME" >> $BASH_ENV
+            echo "export GIT_REPOSITORY_NAME=$CIRCLE_PROJECT_REPONAME" >> $BASH_ENV
+            .circleci/install_tools.sh
+            .circleci/release.sh
+
+workflows:
+  version: 2
+  lint-and-install:
+    jobs:
+      - lint-scripts
+      - lint-charts:
+          filters:
+            branches:
+              ignore: master
+            tags:
+              ignore: /.*/
+      - install-charts:
+          requires:
+            - lint-charts
+  release:
+    jobs:
+      - release-charts:
+          filters:
+            tags:
+              ignore: /.*/
+            branches:
+              only: master

.circleci/ct.yaml

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+helm-extra-args: --timeout 600
+chart-dirs:
+  - .

.circleci/install_charts.sh

@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+readonly CT_VERSION=v2.3.3
+readonly KIND_VERSION=0.2.1
+readonly CLUSTER_NAME=chart-testing
+readonly K8S_VERSION=v1.14.0
+
+run_ct_container() {
+    echo 'Running ct 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:$CT_VERSION" \
+        cat
+    echo
+}
+
+cleanup() {
+    echo 'Removing ct container...'
+    docker kill ct > /dev/null 2>&1
+
+    echo 'Done!'
+}
+
+docker_exec() {
+    docker exec --interactive ct "$@"
+}
+
+create_kind_cluster() {
+    echo 'Installing kind...'
+
+    curl -sSLo kind "https://github.com/kubernetes-sigs/kind/releases/download/$KIND_VERSION/kind-linux-amd64"
+    chmod +x kind
+    sudo mv kind /usr/local/bin/kind
+
+    kind create cluster --name "$CLUSTER_NAME" --config .circleci/kind-config.yaml --image "kindest/node:$K8S_VERSION" --wait 60s
+
+    docker_exec mkdir -p /root/.kube
+
+    echo 'Copying kubeconfig to container...'
+    local kubeconfig
+    kubeconfig="$(kind get kubeconfig-path --name "$CLUSTER_NAME")"
+    docker cp "$kubeconfig" ct:/root/.kube/config
+
+    docker_exec kubectl cluster-info
+    echo
+
+    docker_exec kubectl get nodes
+    echo
+}
+
+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_tiller() {
+    echo 'Installing Tiller...'
+    docker_exec kubectl --namespace kube-system create sa tiller
+    docker_exec kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
+    docker_exec helm init --service-account tiller --upgrade --wait
+    echo
+}
+
+install_charts() {
+    docker_exec ct install
+    echo
+}
+
+main() {
+    run_ct_container
+    trap cleanup EXIT
+
+    changed=$(docker_exec ct list-changed)
+    if [[ -z "$changed" ]]; then
+        echo 'No chart changes detected.'
+        return
+    fi
+
+    echo 'Chart changes detected.'
+    create_kind_cluster
+    install_local_path_provisioner
+    install_tiller
+    install_charts
+}
+
+main

.circleci/install_tools.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+readonly HELM_VERSION=2.13.1
+readonly CHART_RELEASER_VERSION=0.1.4
+
+echo "Installing Helm..."
+curl -LO "https://kubernetes-helm.storage.googleapis.com/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$HELM_VERSION/linux-amd64/helm" /usr/local/bin/helm
+rm -f "helm-v$HELM_VERSION-linux-amd64.tar.gz"
+helm init --client-only
+
+echo "Installing chart-releaser..."
+curl -LO "https://github.com/helm/chart-releaser/releases/download/v${CHART_RELEASER_VERSION}/chart-releaser_${CHART_RELEASER_VERSION}_Linux_x86_64.tar.gz"
+sudo mkdir -p "/usr/local/chart-releaser-v$CHART_RELEASER_VERSION"
+sudo tar -xzf "chart-releaser_${CHART_RELEASER_VERSION}_Linux_x86_64.tar.gz" -C "/usr/local/chart-releaser-v$CHART_RELEASER_VERSION"
+sudo ln -s "/usr/local/chart-releaser-v$CHART_RELEASER_VERSION/chart-releaser" /usr/local/bin/chart-releaser
+rm -f "chart-releaser_${CHART_RELEASER_VERSION}_Linux_x86_64.tar.gz"

.circleci/kind-config.yaml

@@ -0,0 +1,6 @@
+kind: Cluster
+apiVersion: kind.sigs.k8s.io/v1alpha3
+nodes:
+  - role: control-plane
+  - role: worker
+  - role: worker

.circleci/release.sh

@@ -0,0 +1,109 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+: "${CH_TOKEN:?Environment variable CH_TOKEN must be set}"
+: "${GIT_REPOSITORY_URL:?Environment variable GIT_REPO_URL must be set}"
+: "${GIT_USERNAME:?Environment variable GIT_USERNAME must be set}"
+: "${GIT_EMAIL:?Environment variable GIT_EMAIL must be set}"
+: "${GIT_REPOSITORY_NAME:?Environment variable GIT_REPOSITORY_NAME must be set}"
+
+readonly REPO_ROOT="${REPO_ROOT:-$(git rev-parse --show-toplevel)}"
+
+main() {
+    pushd "$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" == "$head_rev" ]]; then
+        echo "No code changes. Nothing to release."
+        exit
+    fi
+
+    rm -rf .deploy
+    mkdir -p .deploy
+
+    echo "Identifying changed charts since tag '$latest_tag'..."
+
+    local changed_charts=()
+    readarray -t changed_charts <<< "$(git diff --find-renames --name-only "$latest_tag_rev" -- . | cut -d '/' -f 1 | uniq)"
+
+    if [[ -n "${changed_charts[*]}" ]]; then
+        for chart in "${changed_charts[@]}"; do
+            if find "$chart" -type f -iname "Chart.yaml" | grep -E -q '.'; then
+            echo "$chart is a valid chart directory - packaging"
+            package_chart "$chart"
+            fi
+        done
+
+        release_charts
+        sleep 5
+        update_index
+    else
+        echo "Nothing to do. No chart changes detected."
+    fi
+
+    popd > /dev/null
+}
+
+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 "$chart" --destination .deploy
+}
+
+release_charts() {
+    chart-releaser upload -o "$GIT_USERNAME" -r "$GIT_REPOSITORY_NAME" -p .deploy
+}
+
+update_index() {
+    chart-releaser index -o "$GIT_USERNAME" -r "$GIT_REPOSITORY_NAME" -p .deploy/index.yaml
+
+    git config user.email "$GIT_EMAIL"
+    git config user.name "$GIT_USERNAME"
+
+    for file in */*.md; do
+        if [[ -e $file ]]; then
+            mkdir -p ".deploy/docs/$(dirname "$file")"
+            cp --force "$file" ".deploy/docs/$(dirname "$file")"
+        fi
+    done
+
+    git checkout gh-pages
+    cp --force .deploy/index.yaml index.yaml
+
+    if [[ -e ".deploy/docs" ]]; then
+        # mkdir -p charts
+        cp --force --recursive .deploy/docs/* .
+    fi
+
+    git checkout master -- README.md
+
+    if ! git diff --quiet; then
+        git add .
+        git commit --message="Update index.yaml" --signoff
+        git push "$GIT_REPOSITORY_URL" gh-pages
+    fi
+}
+
+main