.travis.yml

dist: bionic
language: go
go:
  - 1.16.4
services:
  - docker
env:
  # Enable docker buildx plugin
  - DOCKER_CLI_EXPERIMENTAL=enabled COVERALLS_SERVICE_JOB_ID=$TRAVIS_JOB_ID COVERALLS_SERVICE_NAME="kube-fledged code coverage"
before_install:
  # Install latest stable version of docker-engine as described in docker documentation:-
  # https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository
  - sudo apt-get remove docker docker-engine docker.io containerd runc
  - sudo apt-get update
  - sudo apt install apt-transport-https ca-certificates curl gnupg-agent software-properties-common -y
  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
  - sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
  - sudo apt-get update
  - sudo apt-get install docker-ce docker-ce-cli containerd.io -y
install:
  # Install dependencies required for unit test coverage
  - go get golang.org/x/tools/cmd/cover
  - go get github.com/mattn/goveralls
  - go get -u golang.org/x/lint/golint
stages:
  # This stage builds all four amd64 images, performs tests in "hack" and runs unit tests with coverage      
  - name: build_amd64
    if: (type = push AND branch = develop) or (type = pull_request)
  # This stage builds all four multi-arch images and pushes them to docker hub (only for PR builds)
  - name: build_multiarch
    if: type = push and branch = master
  # This stage is a placeholder for future (only for release tags)  
  - name: build_release
    if: tag IS present
jobs:
  include:
    - stage: build_amd64
      script:
        - hack/verify-codegen.sh
        - hack/verify-boilerplate.sh
        - hack/verify-gofmt.sh
        - hack/verify-golint.sh
        - hack/verify-govet.sh
        - echo "$DOCKERHUB_PSWD" | docker login --username "$DOCKERHUB_USER" --password-stdin
        # BUILD_OUTPUT is left empty to indicate buildx to leave the built images in it's cache
        - travis_wait 30 make BUILD_OUTPUT= PROGRESS=plain release-amd64 
        - make test
        - $(go env GOPATH | awk 'BEGIN{FS=":"} {print $1}')/bin/goveralls -coverprofile=coverage.out -service=travis-ci
    - stage: build_multiarch
      script:
        - echo "$DOCKERHUB_PSWD" | docker login --username "$DOCKERHUB_USER" --password-stdin
        # BUILD_OUTPUT=--push requests buildx to push the built images to docker hub
        - travis_wait 60 make PROGRESS=plain release
    - stage: build_release
      script:
        - echo "Release tag pushed. nothing to do!!"