kind: pipeline
type: kubernetes
name: build-arm64

node_selector:
  kubernetes.io/arch: arm64

steps:
- name: docker build
  image: plugins/docker
  settings:
    repo: ${DRONE_REPO}
    tag: ${DRONE_COMMIT_SHA:0:8}-arm64
    # docker use a mtu of 1500 by default, which may cause packet drop in k8s
    mtu: 1450
    username:
      from_secret: docker_username
    password:
      from_secret: docker_password
---
kind: pipeline
type: kubernetes
name: build-amd64

node_selector:
  kubernetes.io/arch: amd64

steps:
- name: docker build
  image: plugins/docker
  settings:
    repo: ${DRONE_REPO}
    tag: ${DRONE_COMMIT_SHA:0:8}-amd64
    # docker use a mtu of 1500 by default, which may cause packet drop in k8s
    mtu: 1450
    username:
      from_secret: docker_username
    password:
      from_secret: docker_password
---
kind: pipeline
type: kubernetes
name: create-multiarch-manifest

steps:
  - name: docker manifest
    image: docker:20-dind-rootless
    commands:
      - docker login -u "$DOCKER_USERNAME" -p "$DOCKER_PASSWORD"
      - docker manifest create ${DRONE_REPO}:${DRONE_TAG:-latest} --amend ${DRONE_REPO}:${DRONE_COMMIT_SHA:0:8}-amd64 --amend ${DRONE_REPO}:${DRONE_COMMIT_SHA:0:8}-arm64
      - docker manifest push ${DRONE_REPO}:${DRONE_TAG:-latest}
    environment: 
      DOCKER_USERNAME:
        from_secret: docker_username
      DOCKER_PASSWORD:
        from_secret: docker_password
  - name: cleanup
    image: alpine
    commands:
      - apk add curl jq
      - 'DOCKER_TOKEN="$(curl -sf -XPOST -H "Content-Type: application/json" -d "{\"username\":\"$DOCKER_USERNAME\",\"password\":\"$DOCKER_PASSWORD\"}" https://hub.docker.com/v2/users/login | jq --raw-output .token)"'
      - 'curl -sf -XDELETE -H "Accept: application/json" -H "Authorization: Bearer $DOCKER_TOKEN" https://hub.docker.com/v2/repositories/${DRONE_REPO}/tags/${DRONE_COMMIT_SHA:0:8}-arm64/'
      - 'curl -sf -XDELETE -H "Accept: application/json" -H "Authorization: Bearer $DOCKER_TOKEN" https://hub.docker.com/v2/repositories/${DRONE_REPO}/tags/${DRONE_COMMIT_SHA:0:8}-amd64/'
    environment: 
      DOCKER_USERNAME:
        from_secret: docker_username
      DOCKER_PASSWORD:
        from_secret: docker_password

depends_on:
  - build-arm64
  - build-amd64