event-payload-storer.yaml

# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# This workflow receives events from Eventarc and stores their payload (the data
# field of the event) to a Cloud Storage bucket.

main:
  params: [event]
  steps:
  - assignment:
      assign:
        - project_id: ${sys.get_env("GOOGLE_CLOUD_PROJECT_ID")}
        - workflow_id: ${sys.get_env("GOOGLE_CLOUD_WORKFLOW_ID")}
        - bucket: ${project_id + "-" + workflow_id}
  - log_event:
      call: sys.log
      args:
        data: ${event}
  - write_to_gcs:
      call: http.post
      args:
        url: ${"https://storage.googleapis.com/upload/storage/v1/b/" + bucket + "/o"}
        auth:
            type: OAuth2
        query:
            name: ${event.type + ".data.json"}
        body:
            ${event.data}