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chore: Adding Submodule for Standalone Workflow for ADC
- Added Submodule for Standalone workflow - Added Validations and metadata.display.yaml file for making submodule ADC compliant - Added relevant examples and test
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‎Makefile‎

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# Make will use bash instead of sh
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SHELL := /usr/bin/env bash
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DOCKER_TAG_VERSION_DEVELOPER_TOOLS := 1
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DOCKER_TAG_VERSION_DEVELOPER_TOOLS := 1.25
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DOCKER_IMAGE_DEVELOPER_TOOLS := cft/developer-tools
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REGISTRY_URL := gcr.io/cloud-foundation-cicd
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.PHONY: docker_generate_docs
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docker_generate_docs:
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docker run --rm -it \
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-e ENABLE_BPMETADATA=1 \
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-v "$(CURDIR)":/workspace \
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$(REGISTRY_URL)/${DOCKER_IMAGE_DEVELOPER_TOOLS}:${DOCKER_TAG_VERSION_DEVELOPER_TOOLS} \
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/bin/bash -c 'source /usr/local/bin/task_helper_functions.sh && generate_docs'
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/bin/bash -c 'source /usr/local/bin/task_helper_functions.sh && generate_docs display'
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# Alias for backwards compatibility
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.PHONY: generate_docs

‎examples/simple_workflow/README.md‎

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<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
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## Inputs
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| Name | Description | Type | Default | Required |
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|------|-------------|------|---------|:--------:|
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| project\_id | The ID of the project in which to provision resources. | `string` | n/a | yes |
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## Outputs
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| Name | Description |
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|------|-------------|
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| workflow\_id | The id of the workflow. |
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| workflow\_region | The id of the workflow. |
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| workflow\_revision\_id | The revision\_id of the workflow. |
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<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->

‎examples/simple_workflow/main.tf‎

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/**
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* Copyright 2025 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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module "service_account" {
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source = "terraform-google-modules/service-accounts/google"
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version = "~> 4.1.1"
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project_id = var.project_id
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prefix = "simple-workflow"
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names = ["simple"]
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project_roles = ["${var.project_id}=>roles/workflows.invoker"]
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}
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module "standalone_workflow" {
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source = "../../modules/simple_workflow"
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project_id = var.project_id
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workflow_name = "standalone-workflow"
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region = "us-central1"
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service_account_email = module.service_account.email
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service_account_create = true
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workflow_source = <<-EOF
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# This is a sample workflow that simply reads wikipedia
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# Note that $$ is needed for Terraform
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main:
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steps:
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- readWikipedia:
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call: http.get
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args:
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url: https://en.wikipedia.org/w/api.php
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query:
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action: opensearch
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search: GoogleCloudPlatform
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result: wikiResult
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- returnOutput:
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return: $${wikiResult.body[1]}
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EOF
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}

‎examples/simple_workflow/outputs.tf‎

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/**
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* Copyright 2025 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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output "workflow_id" {
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description = "The id of the workflow."
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value = module.standalone_workflow.workflow_id
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}
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output "workflow_region" {
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description = "The id of the workflow."
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value = module.standalone_workflow.workflow_region
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}
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output "workflow_revision_id" {
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description = "The revision_id of the workflow."
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value = module.standalone_workflow.workflow_revision_id
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}

‎examples/simple_workflow/variables.tf‎

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/**
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* Copyright 2025 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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variable "project_id" {
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description = "The ID of the project in which to provision resources."
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type = string
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}

‎examples/simple_workflow/versions.tf‎

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/**
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* Copyright 2025 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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terraform {
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required_providers {
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google = {
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source = "hashicorp/google"
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version = "~> 4.0"
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}
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}
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required_version = ">= 0.13"
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}

‎main.tf‎

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count = local.enable_scheduler
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project = var.project_id
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name = var.workflow_trigger.cloud_scheduler.name
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description = "Cloud Scheduler for Workflow Jpb"
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description = "Cloud Scheduler for Workflow Job"
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schedule = var.workflow_trigger.cloud_scheduler.cron
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time_zone = var.workflow_trigger.cloud_scheduler.time_zone
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attempt_deadline = var.workflow_trigger.cloud_scheduler.deadline

‎metadata.display.yaml‎

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# Copyright 2025 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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apiVersion: blueprints.cloud.google.com/v1alpha1
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kind: BlueprintMetadata
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metadata:
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name: terraform-google-cloud-workflow-display
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annotations:
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config.kubernetes.io/local-config: "true"
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spec:
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info:
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title: terraform-google-cloud-workflow
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source:
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repo: https://github.com/GoogleCloudPlatform/terraform-google-cloud-workflows.git
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sourceType: git
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ui:
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input:
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variables:
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project_id:
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name: project_id
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title: Project Id
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region:
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name: region
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title: Region
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service_account_create:
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name: service_account_create
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title: Service Account Create
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service_account_email:
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name: service_account_email
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title: Service Account Email
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workflow_description:
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name: workflow_description
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title: Workflow Description
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workflow_labels:
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name: workflow_labels
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title: Workflow Labels
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workflow_name:
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name: workflow_name
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title: Workflow Name
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workflow_source:
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name: workflow_source
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title: Workflow Source
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workflow_trigger:
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name: workflow_trigger
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title: Workflow Trigger

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