ci: deploy static to netlify

Signed-off-by: Jérémie Drouet <jeremie.drouet@gmail.com>

.github/actions/netlify-deploy/.gitignore

@@ -0,0 +1 @@
+node_modules

.github/actions/netlify-deploy/Dockerfile

@@ -0,0 +1,8 @@
+FROM node:lts-alpine
+
+RUN apk add --no-cache jq
+RUN npm i -g netlify-cli
+
+COPY entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT [ "/entrypoint.sh" ]

.github/actions/netlify-deploy/action.yml

@@ -0,0 +1,23 @@
+name: netlify action
+description: handle the integration with netlify
+inputs:
+  netlify_token:
+    description: Access token for netlify
+    required: true
+  netlify_account_slug:
+    description: Account slug on netlify
+    required: true
+  site_name:
+    description: Site name on netlify
+    required: true
+  directory:
+    description: Directory containing the files to deploy
+    required: true
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.netlify_token }}
+    - ${{ inputs.netlify_account_slug }}
+    - ${{ inputs.site_name }}
+    - ${{ inputs.directory }}

.github/actions/netlify-deploy/entrypoint.sh

@@ -0,0 +1,57 @@
+#!/bin/sh
+
+set -xe
+
+function usage() {
+  echo "Usage: <netlify_auth_token> <netlify_account_slug> <site_name> <directory>"
+  exit 1
+}
+
+function slug() {
+  echo $1 | sed -E s/[^a-zA-Z0-9]+/-/g | sed -E s/^-+\|-+$//g | tr A-Z a-z
+}
+
+function get_site_id() {
+  netlify sites:list --json | jq --raw-output ".[] | select(.name==\"$1\") | .id"
+}
+
+function get_site_url() {
+  netlify sites:list --json | jq --raw-output ".[] | select(.name==\"$1\") | .url"
+}
+
+if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ] || [ -z "$4" ]; then
+  usage
+fi
+
+export NETLIFY_AUTH_TOKEN=$1
+account_slug=$2
+site_name=$3
+directory=$4
+
+clean_site_name=$(slug $site_name)
+
+if [ -z "$(get_site_id $clean_site_name)" ]; then
+  echo "creating site"
+  netlify sites:create \
+    --account-slug ${account_slug} \
+    --manual \
+    --name "${clean_site_name}"
+else
+  echo "site already exists"
+fi
+
+echo "fetching site id"
+
+site_id=$(get_site_id ${clean_site_name})
+site_url=$(get_site_url ${clean_site_name})
+
+echo
+echo "site id $site_id"
+echo "site url $site_url"
+echo ::set-output name=site_id::$site_id
+echo ::set-output name=site_url::$site_url
+echo
+
+echo "deploy site"
+
+netlify deploy --prod --dir ${directory} --site $site_id

.github/workflows/build-pr.yml

@@ -14,3 +14,13 @@ jobs:
       - uses: actions/checkout@v2
       - name: build image
         run: docker build --build-arg=ENABLE_ARCHIVES=false --target=current -t documentation:latest .
+      - name: copy static files
+        if: github.repository == 'docker/docker.github.io'
+        run: docker run -v ${PWD}:/output documentation:latest cp -r /usr/share/nginx/html /output/_site
+      - uses: ./.github/actions/netlify-deploy
+        if: github.repository == 'docker/docker.github.io'
+        with:
+          directory: _site
+          netlify_token: ${{ secrets.NETLIFY_AUTH_TOKEN }}
+          netlify_account_slug: ${{ secrets.NETLIFY_ACCOUNT_SLUG }}
+          site_name: "${{ github.repository }}/${{ github.head_ref }}"