.travis.yml

sudo: required
services:
  - docker
env:
  global:
    # determine current commit sha and make the env variable
    - GIT_SHA=$(git rev-parse HEAD)
    # turn off any prompts from the google SDK during the build, else the whole thing hangs waiting for input
    - CLOUDSDK_CORE_DISABLE_PROMPTS=1
before_install:
  # obtained when we encrypted the cloud service account json
  # This command will decrypt our file and place it into the project directory as regular json
  - openssl aes-256-cbc -K $encrypted_f4c3e4964776_key -iv $encrypted_f4c3e4964776_iv -in encrypt/k8s-fibonacci-357421-743045f4caf3.json.enc -out k8s-fibonacci-357421-743045f4caf3.json -d
  # downlaod and install google cloud sdk
  # install locally on instance assigned to us on travis ci
  - curl https://sdk.cloud.google.com | bash > /dev/null;
  # Modify the shell with config set up in default sdk file
  - source $HOME/google-cloud-sdk/path.bash.inc
  # Make the instance install the kubectl command so it can be used
  - gcloud components update kubectl
  # Authenticate with google cloud
  # This replaces IAM user on AWS. On gcp, we use a service account instead, giving it access to our cloud apps
  # we obviously need to create the service account json and put the credentials in there as env variables encrypted .
  # Do this by encrypting with travis CI CLI, download json from google, encrypt it and upload in git repo.
  # as mentioned above with openssl we'll decrypt and use raw json info to autheticate 
  - gcloud auth activate-service-account --key-file k8s-fibonacci-357421-743045f4caf3.json
  # tell gcloud what zone and project to operate on
  # remember when using cloud shell within gcp, need to run these 3 there as well to configure it the first time you use it with a new cluster
  # use relevant names/zones etc each time, but commands on travis will match commands entered into browser version
  - gcloud config set project k8s-fibonacci-357421
  - gcloud config set compute/zone us-west1-a
  # tell gcloud what cluster it should be working with if we issue any kubectl commands
  # remember this is cluster name, not project name 
  - gcloud container clusters get-credentials fibonacci-cluster
  - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
  - docker build -t eoinwhelan64/react-test -f ./client/Dockerfile.dev ./client

script:
  # Run our tests 
  - docker run -e CI=true eoinwhelan64/react-test npm test

deploy:
  # tell travis we're gonna use our own custom script for the deployment 
  provider: script
  script: bash ./deploy.sh
  # only deploy on master merges/build
  on:
    branch: master