.travis.yml

sudo: 'required'
services:
  - 'docker'

language: bash

stages:
  - name: test
    if: type = pull_request
  - name: deploy
    if: type != pull_request AND (branch = master OR tag IS present)

jobs:
  include:
    - &buildandtest
      stage: test
      before_script: docker build --build-arg TARGET=${TARGET} -t vmq-travis -f ${DOCKERFILE} .
      script: docker run vmq-travis vernemq
      env:
        - DOCKERFILE=Dockerfile TARGET=rel

    - <<: *buildandtest
      env:
        - DOCKERFILE=Dockerfile.alpine TARGET=rel

    - &buildlatest
      stage: deploy
      before_script: docker build --build-arg TARGET=${TARGET} -t vmq-travis -f ${DOCKERFILE} .
      env:
        - DOCKERFILE=Dockerfile TARGET=rel TAG_SUFFIX=""
      script:
        - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USER" --password-stdin
        - docker tag vmq-travis vernemq/vernemq:latest$TAG_SUFFIX
        - docker push vernemq/vernemq:latest$TAG_SUFFIX

    - <<: *buildlatest
      env:
        - DOCKERFILE=Dockerfile.alpine TARGET=rel TAG_SUFFIX="-alpine"

    - &buildtag 
      stage: deploy
      if: tag IS present AND NOT tag =~ ^helm-.+$
      before_script: docker build --build-arg TARGET=${TARGET} -t vmq-travis -f ${DOCKERFILE} .
      env:
        - DOCKERFILE=Dockerfile TARGET=rel TAG_SUFFIX=""
      script:
        - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USER" --password-stdin
        - docker tag vmq-travis vernemq/vernemq:$TRAVIS_TAG$TAG_SUFFIX
        - docker push vernemq/vernemq:$TRAVIS_TAG$TAG_SUFFIX

    - <<: *buildtag
      env:
        - DOCKERFILE=Dockerfile.alpine TARGET=rel TAG_SUFFIX="-alpine"

    - &helmlint
      name: Helm lint
      stage: test
      env:
        - KUBECTL_VERSION=v1.11.3
        - HELM_VERSION=v2.11.0
      install:
        - wget https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl -O /tmp/kubectl
        - chmod +x /tmp/kubectl
        - wget http://storage.googleapis.com/kubernetes-helm/helm-${HELM_VERSION}-linux-amd64.tar.gz -O /tmp/helm.tar.gz
        - tar xzf /tmp/helm.tar.gz -C /tmp --strip-components=1
        - chmod +x /tmp/helm
        - export PATH=$PATH:/tmp
      before_script:
        - helm init --client-only
      script:
        - helm lint helm/vernemq
        - helm template -f helm/vernemq/values.yaml helm/vernemq
        - helm package --save=false helm/vernemq

    - <<: *helmlint
      name: Helm deploy
      if: tag IS present AND tag =~ ^helm-.+$
      stage: deploy
      after_script:
        - git config user.name "travis"
        - git config user.email "deploy@travis-ci.org"
        - git stash push -u -- vernemq-*.tgz
        - git config --replace-all remote.origin.fetch +refs/heads/*:refs/remotes/origin/*
        - git fetch origin gh-pages
        - git checkout gh-pages
        - git stash pop
        - helm repo index . --url https://vernemq.github.io/docker-vernemq
        - git add vernemq-*.tgz index.yaml
        - git commit -m "Add helm chart release $TRAVIS_BRANCH"
        - git push -q https://$GITHUB_USER:$GITHUB_TOKEN@github.com/vernemq/docker-vernemq gh-pages &>/dev/null