.gitlab-ci.yml

image: node:10.13-alpine

variables:
  GCP_PROJECT_ID: alan-demos
  GCP_ZONE: us-central1-a
  GCP_BUCKET: alan_test_bucket

cache:
  key: ${CI_COMMIT_REF_SLUG}
  paths:
    - node_modules/

before_script:
  - export CI_APPLICATION_REPOSITORY=$CI_REGISTRY_IMAGE/$CI_COMMIT_REF_SLUG
  - export CI_APPLICATION_TAG=$CI_COMMIT_SHA
  - export CI_BRANCH=$CI_COMMIT_REF_NAME
  - apk add --update nodejs nodejs-npm zip
  - apk --no-cache add --virtual native-deps \ g++ gcc libgcc libstdc++ linux-headers make python && pm install --quiet node-gyp -g && npm install --quiet &&  apk del native-deps

  # Install CA certs, openssl to https downloads, python for gcloud sdk
  - apk add --update make ca-certificates openssl python
  - update-ca-certificates

  # Download and install Google Cloud SDK
  - wget https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.tar.gz
  - tar zxvf google-cloud-sdk.tar.gz && ./google-cloud-sdk/install.sh --usage-reporting=false --path-update=true
  - PATH="google-cloud-sdk/bin:${PATH}"
  - gcloud --quiet components update
  - gcloud components install beta

  # Authenticate gcloud
  - echo $GCLOUD_SERVICE_KEY > ${HOME}/gcloud-service-key.json
  - gcloud auth activate-service-account --key-file ${HOME}/gcloud-service-key.json
  - gcloud config set project $GCP_PROJECT_ID

stages:
  - test_unit
  - test_eslint
  - test_prettier
  - build
  - dev_deploy
  - deploy

test_unit:
  stage: test_unit
  before_script:
    - apk add --update nodejs nodejs-npm
    - npm install
  environment:
    name: dev
  script:
    - npm test

test_eslint:
  stage: test_eslint
  before_script:
    - apk add --update nodejs nodejs-npm
    - npm install
    - yarn config set cache-folder .yarn
  environment:
    name: dev
  script:
    - yarn lint-ci

test_prettier:
  stage: test_prettier
  before_script:
    - apk add --update nodejs nodejs-npm
    - npm install
    - yarn config set cache-folder .yarn
  environment:
    name: dev
  script:
    - yarn prettier-ci

build:
  stage: build
  image: docker:latest
  services:
    - docker:dind
  script:
    - npm install
    - npm install copyfiles -g
    - npm run build
      #- cp -r node_modules dist
    - cp deploy_index.js index.js
    - mv index.js dist
    - cp package.json dist

    # Zip for uploading to bucket
    - cd dist
    - zip -r ../app.zip ./* ../node_modules
    - cd ..
    - gsutil cp app.zip gs://$GCP_BUCKET/"$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG".zip

dev_deploy:
  stage: dev_deploy
  environment:
    name: dev
  script:
    - gcloud beta functions deploy api"-$CI_BRANCH" --entry-point api
      --runtime nodejs6 --trigger-http --set-env-vars APP_ENV=development,DEV_DB_USERNAME=$DEV_DB_USERNAME,DEV_DB_PASSWORD=$DEV_DB_PASSWORD,DEV_DB_NAME=$DEV_DB_NAME,DEV_DB_HOSTNAME=$DEV_DB_HOSTNAME
      --source gs://$GCP_BUCKET/"$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG".zip
  only:
    - branches
  except:
    - master

deploy:
  stage: deploy
  environment:
    name: prod
  script:
    - gcloud beta functions deploy api
      --runtime nodejs6 --trigger-http --set-env-vars APP_ENV=production,PROD_DB_USERNAME=$PROD_DB_USERNAME,PROD_DB_PASSWORD=$PROD_DB_PASSWORD,PROD_DB_NAME=$PROD_DB_NAME,PROD_DB_HOSTNAME=$PROD_DB_HOSTNAME
      --source gs://$GCP_BUCKET/"$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG".zip
  only:
    - master