.gitlab-ci.yml

cache:
  untracked: true
  key: $CI_COMMIT_REF_NAME
  paths:
    - .yarn-cache/
variables:
  # From the docs: https://docs.gitlab.com/ee/ci/yaml/#git-strategy
  #   „fetch is faster as it re-uses the project workspace (falling back
  #   to clone if it doesn't exist). git clean is used to undo any changes
  #   made by the last job, and git fetch is used to retrieve commits
  #   made since the last job ran.“
  GIT_STRATEGY: fetch
  # https://medium.com/@gajus/making-docker-in-docker-builds-x2-faster-using-docker-cache-from-option-c01febd8ef84
  # The 'latest' image. Used as a base to cache from
  # when building the $BUILD_IMAGE.
  SERVICE_NAME: blockchain-watcher
  SERVER_HOSTNAME: brickblock-cloud.io

stages:
  - setup
  - test
  - deploy

before_script:
  - eval export REGISTRY_URL="eu.gcr.io/sonorous-cacao-185213/$SERVICE_NAME"
  - eval export SHORT_GIT_SHA=$(git rev-parse --short HEAD)
  - eval export SANITIZED_BRANCH_NAME=$(echo $CI_COMMIT_REF_NAME | sed -e "s/\//-/g")
  # The image tag of this build
  - eval export BUILD_IMAGE=${REGISTRY_URL}:${SANITIZED_BRANCH_NAME}-${SHORT_GIT_SHA}
  - eval export CACHE_TAG=${REGISTRY_URL}:cache
  # The fqdn of the gitlab server is not available in the standard env vars so we cut it out of this URL
  - eval export GITLAB_HOSTNAME=$(echo $CI_PROJECT_URL | awk -F/ '{print $3}')


#########
# SETUP #
#########
setup:
  tags:
    - google
  stage: setup
  cache:
    key: $CI_COMMIT_REF_NAME
    paths:
      - node_modules/
  artifacts:
    expire_in: 3d
    paths:
      - node_modules
  script:
    - yarn install --pure-lockfile --cache-folder .yarn-cache


#########
# TESTS #
#########
flow:
  tags:
    - google
  stage: test
  cache:
    policy: pull
  script:
    - yarn flow

test:
  tags:
    - google
  stage: test
  cache:
    policy: pull
  script:
    - yarn test


#########
# BUILD #
#########
build:
  tags:
    - google
  stage: test
  cache:
    policy: pull
  script:
    - yarn build
    # TODO: We do this `yarn install:prod` here because in .dockerignore "node_modules" is not listed
    # This is only due to @brickblock/smart-contracts being a closed source npm package that is
    # needed for production build. Once this is open sourced, we can `yarn install:prod` in the Dockerfile
    - yarn install:prod
    - gcloud docker --authorize-only
    - docker build
      --pull
      --tag $BUILD_IMAGE
      --cache-from $CACHE_TAG
      .
    # Push container to GitLab docker registry
    - docker push $BUILD_IMAGE
    - docker tag $BUILD_IMAGE $CACHE_TAG
    - docker push $CACHE_TAG


###########
# STAGING #
###########
deploy-staging:
  tags:
    - google
  stage: deploy
  environment:
    name: staging
  only:
    - master
  variables:
    CONTRACT_ADDRESS: "0xcbf23082233ebf2b97a986b4d05669472d744e3c"
    CONTRACT_DEPLOYED_AT_BLOCK: "2080918"
    KUBERNETES_REPLICAS: 1
    POSTGRES_INSTANCE: sonorous-cacao-185213:europe-west1:testing-blockchain-watcher
  cache:
    policy: pull
  script:
    - git clone https://gitlab-ci-token:${CI_JOB_TOKEN}@${GITLAB_HOSTNAME}/infrastructure/infra.git
    - /bin/sh $(pwd)/infra/k8s/deploy.sh staging-${SERVICE_NAME} with-postgres


##############
# PRODUCTION #
##############
deploy-production:
  tags:
    - google
  stage: deploy
  environment:
    name: production
  cache:
    policy: pull
  variables:
    CONTRACT_ADDRESS: "0x0000000000000000000000000000000000000000"
    CONTRACT_DEPLOYED_AT_BLOCK: "2080918"
    KUBERNETES_REPLICAS: 1
    POSTGRES_INSTANCE: sonorous-cacao-185213:europe-west1:production-blockchain-watcher
  script:
    - git clone https://gitlab-ci-token:${CI_JOB_TOKEN}@${GITLAB_HOSTNAME}/infrastructure/infra.git
    - /bin/sh $(pwd)/infra/k8s/deploy.sh production-${SERVICE_NAME} with-postgres
  # These two 'onlys' give us AND logic. The commit should both be in master AND be tagged. NB. this is git tagging. not 'gitlab' tagging.
  only:
    - master
  only:
    - tags