concourse/tasks/gcloud-package-operation.yaml

---
platform: linux

image_resource:
  type: registry-image
  source:
    repository: google/cloud-sdk
    tag: alpine

# TYPE can be set to be "uploadToUnstable", "uploadToStaging", or "promoteToStaging"
params:
  TOPIC: "projects/artifact-releaser-prod/topics/gcp-guest-package-upload-prod"
  TYPE: "uploadToUnstable"

run:
  path: sh
  args:
  - -exc
  - |
    gcloud pubsub topics publish $TOPIC --message "{\"type\": \"${TYPE}\", \"request\": {\"gcsfiles\": [((package_paths))], \"universe\": \"((universe))\", \"repo\": \"((repo))\"}}"