circle.yml

machine:
  environment:

    # make some env vars to save typing
    # GWS should already exists on the ubuntu trusty build image
    GWS: "$HOME/.go_workspace"
    A: "$GWS/src/github.com/$CIRCLE_PROJECT_USERNAME"
    B: "$A/$CIRCLE_PROJECT_REPONAME"

    # Use to install Custom golang from https://golang.org/dl/
    GODIST: "go1.9.linux-amd64.tar.gz"
    GODIST_HASH: "d70eadefce8e160638a9a6db97f7192d8463069ab33138893ad3bf31b0650a79"

    # server-syncstorage container to test against
    PYSYNC_VERSION: "1.6.9"

  services:
    - docker

  # install custom golang
  post:
    - mkdir -p download
    - test -e download/$GODIST || curl -o download/$GODIST https://storage.googleapis.com/golang/$GODIST
    # verify it
    - echo "$GODIST_HASH  download/$GODIST" | sha256sum -c
    - sudo rm -rf /usr/local/go
    - sudo tar -C /usr/local -xzf download/$GODIST

dependencies:
  cache_directories:
    - ~/download

  override:
    # ported from https://discuss.circleci.com/t/overriding-go-inference-in-the-dependencies-phase/660
    # put the source in $GOPATH
    - mkdir -p $GWS/pkg $GWS/bin $A
    - ln -fs $HOME/$CIRCLE_PROJECT_REPONAME $B

    # make it *only* $GWS, dunno why there's two defaults in there
    - echo 'export GOPATH=$GWS' >> ~/.circlerc

    # pre-compile go-sqlite3 to save time in testing/docker container building
    - cd "$B" && go install ./vendor/github.com/mattn/go-sqlite3

    # create a version.json
    - >
        printf '{"commit":"%s","version":"%s","source":"https://github.com/%s/%s","build":"%s"}\n'
        "$CIRCLE_SHA1"
        "$CIRCLE_TAG"
        "$CIRCLE_PROJECT_USERNAME"
        "$CIRCLE_PROJECT_REPONAME"
        "$CIRCLE_BUILD_URL" > version.json
    - cp version.json $CIRCLE_ARTIFACTS

    # build a static binary
    - cd "$B" && go build --ldflags '-extldflags "-static"' .

    # build image and put its sha256 into artifacts to aid verification
    - docker build -t "app:build" .

    - test -e $CIRCLE_ARTIFACTS/bin || mkdir -p $CIRCLE_ARTIFACTS/bin
    - cp go-syncstorage $CIRCLE_ARTIFACTS/bin/go-syncstorage-linux-amd64-$CIRCLE_SHA1

test:
  override:
    - cd "$B" && go vet ./token ./syncstorage ./web
    - cd "$B" && go test -v ./token ./syncstorage ./web
    - >
        docker run
        --net=host
        --detach=true
        -e "PORT=8888"
        -e "HOST=127.0.0.1"
        -e "SECRETS=secret"
        -e "DATA_DIR=:memory:"
        app:build
    - sleep 3
    - >
        docker run
        --net=host mozilla/server-syncstorage:$PYSYNC_VERSION
        test_endpoint "http://127.0.0.1:8888#secret"

deployment:
  hub_latest:
    branch: master
    commands:
      - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
      - docker tag app:build ${DOCKERHUB_REPO}:latest
      - docker push ${DOCKERHUB_REPO}:latest

  hub_releases:
    tag: /.*/
    commands:
      - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
      - docker tag app:build ${DOCKERHUB_REPO}:${CIRCLE_TAG}
      - docker push ${DOCKERHUB_REPO}:${CIRCLE_TAG}

  # push any releases candidate branches to DockerHub
  hub_release_candidates:
    branch: /rc_.*/
    commands:
      - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
      - docker tag app:build ${DOCKERHUB_REPO}:${CIRCLE_BRANCH}
      - docker push ${DOCKERHUB_REPO}:${CIRCLE_BRANCH}