publish.yaml

apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: publish-release
  annotations:
    chains.tekton.dev/transparency-upload: "true"
spec:
  params:
    - name: package
      description: package to release (e.g. github.com/<org>/<project>)
      default: github.com/tektoncd/pipeline
    - name: images
      description: List of cmd/* paths to be published as images
      default: "controller webhook entrypoint nop kubeconfigwriter git-init imagedigestexporter pullrequest-init workingdirinit"
    - name: versionTag
      description: The vX.Y.Z version that the artifacts should be tagged with (including `v`)
    - name: imageRegistry
      description: The target image registry
      default: gcr.io
    - name: imageRegistryPath
      description: The path (project) in the image registry
    - name: imageRegistryRegions
      description: The target image registry regions
      default: "us eu asia"
    - name: releaseAsLatest
      description: Whether to tag and publish this release as Pipelines' latest
      default: "true"
    - name: platforms
      description: Platforms to publish for the images (e.g. linux/amd64,linux/arm64)
      default: linux/amd64,linux/arm,linux/arm64,linux/s390x,linux/ppc64le,windows/amd64
    - name: serviceAccountPath
      description: The name of the service account path within the release-secret workspace
  workspaces:
    - name: source
      description: >-
        The workspace where the repo has been cloned. This should ideally
        be /go/src/$(params.package) however that is not possible today,
        see https://github.com/tektoncd/pipeline/issues/3786. To use this
        task on a fork of pipeline change the mountPath below
      mountPath: /go/src/github.com/tektoncd/pipeline
    - name: release-secret
      description: The secret that contains a service account authorized to push to the imageRegistry and to the output bucket
    - name: output
      description: The release YAML will be written to this workspace
  stepTemplate:
    env:
      - name: "PROJECT_ROOT"
        value: "$(workspaces.source.path)"
      - name: CONTAINER_REGISTY_CREDENTIALS
        value: "$(workspaces.release-secret.path)/$(params.serviceAccountPath)"
      - name: CONTAINER_REGISTRY
        value: "$(params.imageRegistry)/$(params.imageRegistryPath)"
      - name: REGIONS
        value: "$(params.imageRegistryRegions)"
      - name: OUTPUT_RELEASE_DIR
        value: "$(workspaces.output.path)/$(params.versionTag)"
  results:
  # IMAGES result is picked up by Tekton Chains to sign the release.
  # See https://github.com/tektoncd/plumbing/blob/main/docs/signing.md for more info.
  - name: IMAGES
  steps:

  - name: container-registy-auth
    image: gcr.io/go-containerregistry/crane:debug
    script: |
      #!/busybox/sh
      set -ex

      # Login to the container registry
      DOCKER_CONFIG=$(cat ${CONTAINER_REGISTY_CREDENTIALS} | \
        crane auth login -u _json_key --password-stdin $(params.imageRegistry) 2>&1 | \
        sed 's,^.*logged in via \(.*\)$,\1,g')

      # Auth with account credentials for all regions.
      for region in ${REGIONS}
      do
        HOSTNAME=${region}.$(params.imageRegistry)
        cat ${CONTAINER_REGISTY_CREDENTIALS} | crane auth login -u _json_key --password-stdin ${HOSTNAME}
      done
      cp ${DOCKER_CONFIG} /workspace/docker-config.json

  - name: create-ko-yaml
    image: golang:1.17.8
    script: |
      #!/bin/sh
      set -ex

      # Setup docker-auth
      DOCKER_CONFIG=~/.docker
      mkdir -p ${DOCKER_CONFIG}
      cp /workspace/docker-config.json ${DOCKER_CONFIG}/config.json

      # Change to directory with vendor/
      cd ${PROJECT_ROOT}

      # Combine Distroless with a Windows base image, used for the entrypoint image.
      COMBINED_BASE_IMAGE=$(go run ./vendor/github.com/tektoncd/plumbing/cmd/combine/main.go \
        ghcr.io/distroless/static \
        mcr.microsoft.com/windows/nanoserver:ltsc2022 \
        ${CONTAINER_REGISTRY}/$(params.package)/combined-base-image:latest)

      cat <<EOF > ${PROJECT_ROOT}/.ko.yaml
      # This matches the value configured in .ko.yaml
      defaultBaseImage: ghcr.io/distroless/static
      baseImageOverrides:
        # Use the combined base image for images that should include Windows support.
        $(params.package)/cmd/entrypoint: ${COMBINED_BASE_IMAGE}
        $(params.package)/cmd/nop: ${COMBINED_BASE_IMAGE}
        $(params.package)/cmd/workingdirinit: ${COMBINED_BASE_IMAGE}

        # This matches values configured in .ko.yaml
        $(params.package)/cmd/git-init: ghcr.io/distroless/git
      EOF

      cat ${PROJECT_ROOT}/.ko.yaml

  - name: run-ko
    image: gcr.io/tekton-releases/dogfooding/ko@sha256:aafcfa5c22281f9e882664c3e5f234a2069a0050674c0c8d9908ccae6f0e8457
    env:
    - name: KO_DOCKER_REPO
      value: $(params.imageRegistry)/$(params.imageRegistryPath)
    - name: GOFLAGS
      value: "-mod=vendor"
    script: |
      #!/usr/bin/env sh
      set -ex

      # Setup docker-auth
      DOCKER_CONFIG=~/.docker
      mkdir -p ${DOCKER_CONFIG}
      cp /workspace/docker-config.json ${DOCKER_CONFIG}/config.json

      # Change to directory with our .ko.yaml
      cd ${PROJECT_ROOT}

      # For each cmd/* directory, include a full gzipped tar of all source in
      # vendor/. This is overkill. Some deps' licenses require the source to be
      # included in the container image when they're used as a dependency.
      # Rather than trying to determine which deps have this requirement (an(params.imageRegistryd
      # probably get it wrong), we'll just targz up the whole vendor tree and
      # include it. As of 9/20/2019, this amounts to about 11MB of additional
      # data in each image.
      TMPDIR=$(mktemp -d)
      tar cfz ${TMPDIR}/source.tar.gz vendor/
      for d in cmd/*; do
        if [ -d ${d}/kodata/ ]; then
          ln -s ${TMPDIR}/source.tar.gz ${d}/kodata/
        fi
      done

      # Rewrite "devel" to params.versionTag
      sed -i -e 's/\(pipeline.tekton.dev\/release\): "devel"/\1: "$(params.versionTag)"/g' -e 's/\(app.kubernetes.io\/version\): "devel"/\1: "$(params.versionTag)"/g' -e 's/\(version\): "devel"/\1: "$(params.versionTag)"/g' ${PROJECT_ROOT}/config/*.yaml

      # Publish images and create release.yaml
      mkdir -p $OUTPUT_RELEASE_DIR

      ko resolve --platform=$(params.platforms) --preserve-import-paths -t $(params.versionTag) -R -f ${PROJECT_ROOT}/config/ > $OUTPUT_RELEASE_DIR/release.yaml
      # Publish images and create release.notags.yaml
      # This is useful if your container runtime doesn't support the `image-reference:tag@digest` notation
      # This is currently the case for `cri-o` (and most likely others)
      ko resolve --platform=$(params.platforms) --preserve-import-paths -R -f ${PROJECT_ROOT}/config/ > $OUTPUT_RELEASE_DIR/release.notags.yaml

  - name: koparse
    image: gcr.io/tekton-releases/dogfooding/koparse:latest
    script: |
      set -ex

      IMAGES_PATH=${CONTAINER_REGISTRY}/$(params.package)

      for cmd in $(params.images)
      do
        IMAGES="${IMAGES} ${IMAGES_PATH}/cmd/${cmd}:$(params.versionTag)"
      done

      # Parse the built images from the release.yaml generated by ko
      koparse \
        --path $OUTPUT_RELEASE_DIR/release.yaml \
        --base ${IMAGES_PATH} --images ${IMAGES} > /workspace/built_images

  - name: tag-images
    image: gcr.io/go-containerregistry/crane:debug
    script: |
      #!/busybox/sh
      set -ex

      # Setup docker-auth
      DOCKER_CONFIG=~/.docker
      mkdir -p ${DOCKER_CONFIG}
      cp /workspace/docker-config.json ${DOCKER_CONFIG}/config.json

      REGIONS="us eu asia"

      # Tag the images and put them in all the regions
      for IMAGE in $(cat /workspace/built_images)
      do
        IMAGE_WITHOUT_SHA=${IMAGE%%@*}
        IMAGE_WITHOUT_SHA_AND_TAG=${IMAGE_WITHOUT_SHA%%:*}
        IMAGE_WITH_SHA=${IMAGE_WITHOUT_SHA_AND_TAG}@${IMAGE##*@}

        echo $IMAGE_WITH_SHA, >> $(results.IMAGES.path)

        if [[ "$(params.releaseAsLatest)" == "true" ]]
        then
          crane cp ${IMAGE_WITH_SHA} ${IMAGE_WITHOUT_SHA_AND_TAG}:latest
        fi

        for REGION in ${REGIONS}
        do
          if [[ "$(params.releaseAsLatest)" == "true" ]]
          then
            for TAG in "latest" $(params.versionTag)
            do
              crane cp ${IMAGE_WITH_SHA} ${REGION}.${IMAGE_WITHOUT_SHA_AND_TAG}:$TAG
            done
          else
            TAG="$(params.versionTag)"
            crane cp ${IMAGE_WITH_SHA} ${REGION}.${IMAGE_WITHOUT_SHA_AND_TAG}:$TAG
          fi
          # Until we are able to store larger results, we cannot include the
          # regional copies of the images in the result - see https://github.com/tektoncd/pipeline/issues/4282
          # echo ${REGION}.$IMAGE_WITH_SHA, >> $(results.IMAGES.path)
        done
      done