version: 0.2

phases:
  install:
    runtime-versions:
      golang: 1.13
  pre_build:
    commands:
      # GOPATH is setup like the following in Codebuild standard 4.0 image
      # /go:/codebuild/output/src<some numbers>
      # so we copy all the source code to the go root install location before
      # invoking any go command. 
      # this also allows us to build using dep while the transition to go modules is ongoing
      - ls -lah
      - mkdir -p /go/src/github.com/aws/amazon-ecs-cli
      - cp -R . /go/src/github.com/aws/amazon-ecs-cli/
      - cd /go/src/github.com/aws/amazon-ecs-cli
      # At least one unit test expects no region to be set in the environment. Unset for testing, then reset.
      - export AWS_REGION_BAK=$AWS_REGION && export AWS_REGION=
      - export AWS_DEFAULT_REGION_BAK=$AWS_DEFAULT_REGION && export AWS_DEFAULT_REGION=
      - go test -race -v -cover ./ecs-cli/modules/...
      - export AWS_DEFAULT_REGION=$AWS_DEFAULT_REGION_BAK
      - export AWS_REGION=$AWS_REGION_BAK
      # make a copy of the version.go because `go run gen/version-gen.go` will
      # modify it.
      - cp ./ecs-cli/modules/version/version.go ./ecs-cli/modules/version/_version.go
      # need to cd into the version package because version-gen.go assumes the relative
      # location of the VERSION file.
      - cd ./ecs-cli/modules/version/
      # since we are running the go program inside a Linux container, has to hardcode
      # the GOOS and GOARCH correspondinly regardless of what the host OS is.
      - GOOS=linux GOARCH=amd64 ECS_RELEASE=cleanbuild go run gen/version-gen.go
  build:
    commands:
      - echo "cd into go root directory"
      - cd /go/src/github.com/aws/amazon-ecs-cli
      - echo "Compilation context:"
      - echo "CODEBUILD_SOURCE_VERSION=$CODEBUILD_SOURCE_VERSION"
      - VERSION=`git tag --points-at HEAD`
      - echo "VERSION=$VERSION"
      - GIT_COMMIT_ID=`git rev-parse HEAD`
      - echo "GIT_COMMIT_ID=$GIT_COMMIT_ID"
      # TODO: Get rid of the VERSION file after we fully switch to the new CI/CD
      - CHECKED_IN_VERSION=`cat /go/src/github.com/aws/amazon-ecs-cli/VERSION`
      - echo "VERSION_FILE=$CHECKED_IN_VERSION"
      - echo "GOPATH=$GOPATH"
      # Check if there is a tag currently pointing at the head and exit if not. 
      - |
        if [ -z "$VERSION" ]; then
          echo "the current commit is not tagged. Stopping the build stage..."
          exit 1
        fi
      - |
        # $CHECKED_IN_VERSION is not prefixed with "v", only the semantic version number,
        # such as 1.17.0 instead of v1.17.0, which is what normal version tags look like.
        if [ -n "$VERSION" ] && [ "$VERSION" != "v$CHECKED_IN_VERSION" ]; then
          echo "the VERSION file contains a version number that is different from the git tag. file: $CHECKED_IN_VERSION, tag: $VERSION"  
          exit 1
        fi
      - GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -installsuffix cgo -a -ldflags "-s" -o $CODEBUILD_SRC_DIR/aws/amazon-ecs-cli/ecs-cli-windows-amd64-$VERSION.exe ./ecs-cli/
      - GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -installsuffix cgo -a -ldflags "-s" -o $CODEBUILD_SRC_DIR/aws/amazon-ecs-cli/ecs-cli-linux-amd64-$VERSION ./ecs-cli/
      - GOOS=linux GOARCH=arm64 CGO_ENABLED=0 go build -installsuffix cgo -a -ldflags "-s" -o $CODEBUILD_SRC_DIR/aws/amazon-ecs-cli/ecs-cli-linux-arm64-$VERSION ./ecs-cli/
      - GOOS=darwin GOARCH=amd64 CGO_ENABLED=0 go build -installsuffix cgo -a -ldflags "-s" -o $CODEBUILD_SRC_DIR/aws/amazon-ecs-cli/ecs-cli-darwin-amd64-$VERSION ./ecs-cli/
    finally:
      - echo "CD into codebuild src directory for last phase"
      - cd $CODEBUILD_SRC_DIR
      - echo "built artifacts:"
      - ls -lah aws/amazon-ecs-cli/
      - ./aws/amazon-ecs-cli/ecs-cli-linux-amd64-$VERSION --version
  post_build:
    commands:
      # restore the version file
      - mv /go/src/github.com/aws/amazon-ecs-cli/ecs-cli/modules/version/_version.go /go/src/github.com/aws/amazon-ecs-cli/ecs-cli/modules/version/version.go
      - echo "Creating latest artifacts..."
      - cp aws/amazon-ecs-cli/ecs-cli-windows-amd64-$VERSION.exe aws/amazon-ecs-cli/ecs-cli-windows-amd64-latest.exe
      - cp aws/amazon-ecs-cli/ecs-cli-linux-amd64-$VERSION aws/amazon-ecs-cli/ecs-cli-linux-amd64-latest
      - cp aws/amazon-ecs-cli/ecs-cli-linux-arm64-$VERSION aws/amazon-ecs-cli/ecs-cli-linux-arm64-latest
      - cp aws/amazon-ecs-cli/ecs-cli-darwin-amd64-$VERSION aws/amazon-ecs-cli/ecs-cli-darwin-amd64-latest
      - MANIFESTFILE="$GIT_COMMIT_ID.manifest"
      - echo "aws/amazon-ecs-cli/ecs-cli-windows-amd64-$VERSION.exe" >> $MANIFESTFILE
      - echo "aws/amazon-ecs-cli/ecs-cli-linux-amd64-$VERSION" >> $MANIFESTFILE
      - echo "aws/amazon-ecs-cli/ecs-cli-linux-arm64-$VERSION" >> $MANIFESTFILE
      - echo "aws/amazon-ecs-cli/ecs-cli-darwin-amd64-$VERSION" >> $MANIFESTFILE
      - echo "aws/amazon-ecs-cli/ecs-cli-windows-amd64-latest.exe" >> $MANIFESTFILE
      - echo "aws/amazon-ecs-cli/ecs-cli-linux-amd64-latest" >> $MANIFESTFILE
      - echo "aws/amazon-ecs-cli/ecs-cli-linux-arm64-latest" >> $MANIFESTFILE
      - echo "aws/amazon-ecs-cli/ecs-cli-darwin-amd64-latest" >> $MANIFESTFILE
artifacts:
  files:
    - '**/*'