{{- range $i, $plat := .input.platforms -}}
---
kind: pipeline
type: kubernetes
name: build-{{ $plat.os }}-{{ $plat.arch }}

trigger:
  event: [ push ]
  branch: [ master ]

steps:
- name: build
  image: plugins/docker
  settings:
    registry: https://gitea.internal.example.com
    username: drone
    password:
      from_secret: gitea-internal-password
    repo: gitea.internal.example.com/{{ $.input.repo }}
    cache_from: gitea.internal.example.com/{{ $.input.repo }}:ci-{{ $plat.os }}-{{ $plat.arch }}
    build_args:
    - OS={{ $plat.os }}
    - ARCH={{ $plat.arch }}
    {{ range $.input.build_args }}
    - {{ . }}
    {{ end }}
    tags:
    - ci-{{ $plat.os }}-{{ $plat.arch }}

---
kind: pipeline
type: kubernetes
name: publish-{{ $plat.os }}-{{ $plat.arch }}

trigger:
  event: [ promote ]
  target: [ publish, "publish-{{ $plat.os }}-{{ $plat.arch }}" ]

steps:
- name: build-and-publish
  image: plugins/docker
  settings:
    registry: https://gitea.internal.example.com
    username: drone
    password:
      from_secret: gitea-internal-password
    repo: gitea.internal.example.com/{{ $.input.repo }}
    cache_from: gitea.internal.example.com/{{ $.input.repo }}:ci-{{ $plat.os }}-{{ $plat.arch }}
    build_args:
    - OS={{ $plat.os }}
    - ARCH={{ $plat.arch }}
    {{ range $.input.build_args }}
    - {{ . }}
    {{ end }}
    tags:
    - latest-{{ $plat.os }}-{{ $plat.arch }}
    {{ range $.input.tags }}
    - {{ . }}-{{ $plat.os }}-{{ $plat.arch }}
    {{ end }}
{{ end }}

---
kind: pipeline
type: kubernetes
name: publish-multiarch-manifest

trigger:
  event: [ promote ]
  target: [ publish ]

steps:
- name: deploy
  image: gitea.internal.example.com/examples/docker:{{ if .input.docker_image_tag }}{{ .input.docker_image_tag }}{{ else }}latest{{ end }}
  volumes:
  - name: dockersock
    path: /var/run/
  environment:
    DOCKER_REGISTRY: https://gitea.internal.example.com
    DOCKER_USER: drone
    DOCKER_PASS:
      from_secret: gitea-internal-password
  commands:
  - /bin/docker-setup
  - |
    docker manifest create \
      gitea.internal.example.com/{{ .input.repo }}:latest \
      {{ range .input.platforms -}}
      --amend gitea.internal.example.com/{{ $.input.repo }}:latest-{{ .os }}-{{ .arch }} \
      {{- end }}
  - docker manifest push gitea.internal.example.com/{{ .input.repo }}:latest
  {{ range $i, $tag := $.input.tags }}
  - |
    docker manifest create \
      gitea.internal.example.com/{{ $.input.repo }}:{{ $tag }} \
      {{ range $.input.platforms -}}
      gitea.internal.example.com/{{ $.input.repo }}:{{ $tag }}-{{ .os }}-{{ .arch }} \
      {{- end }}
  - docker manifest push gitea.internal.example.com/{{ $.input.repo }}:{{ $tag }}
  {{ end }}

volumes:
- name: dockersock
  host:
    path: /var/run/

depends_on:
{{ range .input.platforms }}
- publish-{{ .os }}-{{ .arch }}
{{ end }}