.travis.yml

language: bash

services:
  - docker
env:
  global:
    - NAME="osixia/light-baseimage"
    - VERSION="${TRAVIS_BRANCH}-dev"
  matrix:
    - TARGET_ARCH=amd64 QEMU_ARCH=x86_64
    - TARGET_ARCH=i386 QEMU_ARCH=i386
    - TARGET_ARCH=arm32v7 QEMU_ARCH=arm
    - TARGET_ARCH=arm64v8 QEMU_ARCH=aarch64

addons:
  apt:
    # The docker manifest command was added in docker-ee version 18.x
    # So update our current installation and we also have to enable the experimental features.
    sources:
      - sourceline: "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
        key_url: "https://download.docker.com/linux/ubuntu/gpg"
    packages:
      - docker-ce

before_install:
  - docker --version
  - mkdir $HOME/.docker
  - 'echo "{" > $HOME/.docker/config.json'
  - 'echo "  \"experimental\": \"enabled\"" >> $HOME/.docker/config.json'
  - 'echo "}" >> $HOME/.docker/config.json'
  - sudo service docker restart
  # To have `DOCKER_USER` and `DOCKER_PASS`
  # use `travis env set`.
  - echo "$DOCKER_PASS" | docker login -u "$DOCKER_USER" --password-stdin

install:
  # For cross buidling our images
  # This is necessary because travis-ci.org has only x86_64 machines.
  # If travis-ci.org gets native arm builds, probably this step is not
  # necessary any more.
  - docker run --rm --privileged multiarch/qemu-user-static:register --reset
    # Bats is necessary for the UT
  - curl -o bats.tar.gz -SL https://github.com/bats-core/bats-core/archive/v1.1.0.tar.gz
  - mkdir bats-core && tar -xf bats.tar.gz -C bats-core --strip-components=1
  - cd bats-core/
  - sudo ./install.sh /usr/local
  - cd ..

before_script:
  # Injecting the necessary information and binaries for cross-compiling the images.
  # In native builds this information and binaries are not necessary and that is why
  # we are injecting them in the build scripts and we do not include them in the Dockerfiles
  - if [[ "${TARGET_ARCH}" != 'amd64' ]]; then
    sed -i "s/FROM debian/FROM ${TARGET_ARCH}\/debian/" image/Dockerfile;
    fi
  - if [[ "${TARGET_ARCH}" != 'amd64' ]]; then
    sed -i "/${TARGET_ARCH}\/debian/a COPY \
    --from=multiarch/qemu-user-static:x86_64-${QEMU_ARCH} \
    /usr/bin/qemu-${QEMU_ARCH}-static /usr/bin/" image/Dockerfile;
    fi
  - cat image/Dockerfile;
  # If this is a tag then change the VERSION variable to only have the
  # tag name and not also the commit hash.
  - if [ -n "$TRAVIS_TAG" ]; then
    VERSION=$(echo "${TRAVIS_TAG}" | sed -e 's/\(.*\)[-v]\(.*\)/\1\2/g');
    fi
  - if [ "${TRAVIS_BRANCH}" == 'master' ]; then
    VERSION="stable";
    fi
  # replace / with - in version
  - VERSION=$(echo "${VERSION}" | sed 's|/|-|g');

script:
  - make build-nocache NAME=${NAME} VERSION=${VERSION}-${TARGET_ARCH}
  # Run the test and if the test fails mark the build as failed.
  - make test NAME=${NAME} VERSION=${VERSION}-${TARGET_ARCH}

before_deploy:
  - docker run -d --name test_image ${NAME}:${VERSION}-${TARGET_ARCH} sleep 10
  - sleep 5
  - sudo docker ps | grep -q test_image
  - make tag NAME=${NAME} VERSION=${VERSION}-${TARGET_ARCH}

deploy:
  provider: script
  on:
    all_branches: true
  script: make push NAME=${NAME} VERSION=${VERSION}-${TARGET_ARCH}

jobs:
  include:
    - stage: Manifest creation
      install: skip
      script: skip
      after_deploy:
        - echo "$DOCKER_PASS" | docker login -u "$DOCKER_USER" --password-stdin
        - docker manifest create ${NAME}:${VERSION} ${NAME}:${VERSION}-amd64 ${NAME}:${VERSION}-i386 ${NAME}:${VERSION}-arm32v7 ${NAME}:${VERSION}-arm64v8;
          docker manifest annotate ${NAME}:${VERSION} ${NAME}:${VERSION}-amd64 --os linux --arch amd64;
          docker manifest annotate ${NAME}:${VERSION} ${NAME}:${VERSION}-i386 --os linux --arch 386;
          docker manifest annotate ${NAME}:${VERSION} ${NAME}:${VERSION}-arm32v7 --os linux --arch arm --variant v7;
          docker manifest annotate ${NAME}:${VERSION} ${NAME}:${VERSION}-arm64v8 --os linux --arch arm64 --variant v8;

        # The latest tag is coming from the stable branch of the repo
        - if [ "${TRAVIS_BRANCH}" == 'master' ]; then
          docker manifest create ${NAME}:latest ${NAME}:${VERSION}-amd64 ${NAME}:${VERSION}-i386 ${NAME}:${VERSION}-arm32v7 ${NAME}:${VERSION}-arm64v8;
          docker manifest annotate ${NAME}:latest ${NAME}:${VERSION}-amd64 --os linux --arch amd64;
          docker manifest annotate ${NAME}:latest ${NAME}:${VERSION}-i386 --os linux --arch 386;
          docker manifest annotate ${NAME}:latest ${NAME}:${VERSION}-arm32v7 --os linux --arch arm --variant v7;
          docker manifest annotate ${NAME}:latest ${NAME}:${VERSION}-arm64v8 --os linux --arch arm64 --variant v8;
          fi

        - docker manifest push ${NAME}:${VERSION};
          if [ "${TRAVIS_BRANCH}" == 'master' ]; then
          docker manifest push ${NAME}:latest;
          fi