.travis.yml

sudo: required

services:
- docker

addons:
  apt:
    packages:
      - docker-ce

install: skip

jobs:
  include:
    - &deploy-stage
      stage: build and deploy
      script:
        # set up the base image
        - sed -i "s#^FROM .*#FROM ${DOCKER_FROM}#" Dockerfile
        # setup QEMU
        - docker run --rm --privileged multiarch/qemu-user-static:register --reset
        # build
        - docker build -t prometheus:$DOCKER_TAG -f Dockerfile --build-arg ARCH=$DOCKER_ARCH --build-arg VERSION=$PROMETHEUS_VERSION .
        # test
        - docker run --rm prometheus:$DOCKER_TAG --version
      after_success:
        - |
          echo ${DOCKER_PASSWORD} | docker login --username "rycus86" --password-stdin
          if [ "$TRAVIS_BRANCH" == "master" ]; then
              docker tag prometheus:$DOCKER_TAG rycus86/prometheus:$DOCKER_TAG
              docker push rycus86/prometheus:$DOCKER_TAG
          elif [ "$TRAVIS_BRANCH" == "$PROMETHEUS_VERSION" ]; then
              docker tag prometheus:$DOCKER_TAG rycus86/prometheus:$PROMETHEUS_VERSION-$DOCKER_TAG
              docker push rycus86/prometheus:$PROMETHEUS_VERSION-$DOCKER_TAG
          fi
      env:
        - DOCKER_TAG=amd64
        - DOCKER_ARCH=amd64
        - DOCKER_FROM=alpine:latest

    - <<: *deploy-stage
      env:
        - DOCKER_TAG=armhf
        - DOCKER_ARCH=armv7
        - DOCKER_FROM=rycus86/armhf-alpine-qemu

    - <<: *deploy-stage
      env:
        - DOCKER_TAG=aarch64
        - DOCKER_ARCH=arm64
        - DOCKER_FROM=rycus86/arm64v8-alpine-qemu

    - stage: manifest
      script:
        - |
          if [ "$TRAVIS_BRANCH" == "$PROMETHEUS_VERSION" ]; then
              sed -i "s#rycus86/prometheus:#rycus86/prometheus:${PROMETHEUS_VERSION}-#" manifest.yml
              sed -i "s#rycus86/prometheus:${PROMETHEUS_VERSION}-latest#rycus86/prometheus:${PROMETHEUS_VERSION}#" manifest.yml
          fi
        - echo ${DOCKER_PASSWORD} | docker login --username "rycus86" --password-stdin
        - curl -fsSL https://github.com/estesp/manifest-tool/releases/download/v0.7.0/manifest-tool-linux-amd64 > ./manifest-tool
        - chmod +x ./manifest-tool
        - ./manifest-tool push from-spec manifest.yml

env:
  global:
  - PROMETHEUS_VERSION=2.7.1