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example for source_dependent_files
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‎.gitignore‎

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examples/automatic-labelling-folder/function_source.zip
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examples/automatic-labelling-from-localhost/function_source.zip
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examples/automatic-labelling-from-repository/function_source_copy
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examples/dynamic-files/function_source.zip
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examples/dynamic-files/function_source/terraform_created_file.txt
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node_modules
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yarn.lock

‎examples/dynamic-files/README.md‎

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# Automatic Labelling for folder projects
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This example demonstrates how to use the
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[root module][root-module] that will contain source
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code files generated from terraform itself.
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## Usage
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To provision this example, populate `terraform.tfvars` with the [required variables](#inputs) and run the following commands within
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this directory:
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- `terraform init` to initialize the directory
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- `terraform plan` to generate the execution plan
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- `terraform apply` to apply the execution plan
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- `terraform destroy` to destroy the infrastructure
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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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| folder\_id | The ID of the folder to look for changes. | string | n/a | yes |
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| project\_id | The ID of the project to which resources will be applied. | string | n/a | yes |
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| region | The region in which resources will be applied. | string | n/a | yes |
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## Outputs
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| Name | Description |
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|------|-------------|
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| function\_name | The name of the function created |
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| project\_id | The ID of the project to which resources are applied. |
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| random\_file\_string | The content of the terraform created file in the source directory. |
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| region | The region in which resources are applied. |
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<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
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## Requirements
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The following sections describe the requirements which must be met in
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order to invoke this module. The requirements of the
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[root module][root-module-requirements] and the
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[event-folder-log-entry submodule][event-folder-log-entry-submodule-requirements]
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must also be met.
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### Software Dependencies
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The following software dependencies must be installed on the system
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from which this module will be invoked:
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- [Terraform][terraform-site] v0.12
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### IAM Roles
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The Service Account which will be used to invoke this module must have
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the following IAM roles:
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- Logs Configuration Writer: `roles/logging.configWriter`
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- Pub/Sub Admin: `roles/pubsub.admin`
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- Service Account User: `roles/iam.serviceAccountUser`
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- Default AppSpot user: `roles/owner`
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- Your user: `roles/resourcemanager.projectCreator`
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### APIs
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The project against which this module will be invoked must have the
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following APIs enabled:
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- Cloud Pub/Sub API: `pubsub.googleapis.com`
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- Stackdriver Logging API: `logging.googleapis.com`
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[event-folder-log-entry-submodule-requirements]: ../../modules/event-folder-log-entry/README.md#requirements
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[event-folder-log-entry-submodule]: ../../modules/event-folder-log-entry
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[root-module-requirements]: ../../README.md#requirements
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[root-module]: ../..
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[terraform-site]: https://terraform.io/

‎examples/dynamic-files/function_source/index.js‎

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/**
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* Copyright 2019 Google Inc.
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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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const fs = require("fs");
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const path = require("path");
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const filePath = path.join(__dirname, "terraform_created_file.txt");
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/**
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* Cloud function entrypoint
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*
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* @param {!Object} event Event payload and metadata.
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* @param {!Function} callback Callback function to signal completion.
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*/
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exports.fileContent = (data, context, callback) => {
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console.log("Received event");
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fs.readFile(filePath, { encoding: "utf-8" }, function(err, data) {
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if (!err) {
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callback(null, data);
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} else {
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callback(err);
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}
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});
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};

‎examples/dynamic-files/function_source/package.json‎

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{
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"name": "dynamic-files",
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"version": "0.0.1"
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}

‎examples/dynamic-files/main.tf‎

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/**
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* Copyright 2019 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_version = "~> 0.12.0"
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}
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resource "random_pet" "main" {
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length = 2
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separator = "-"
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}
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resource "google_storage_bucket" "trigger_bucket" {
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name = "${random_pet.main.id}-trigger"
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force_destroy = true
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location = var.region
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project = var.project_id
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storage_class = "REGIONAL"
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}
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resource "random_string" "random" {
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length = 16
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special = false
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}
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resource "local_file" "file" {
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content = random_string.random.result
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filename = "${path.module}/function_source/terraform_created_file.txt"
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}
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module "localhost_function" {
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source = "../.."
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description = "Returns back the random file content"
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entry_point = "fileContent"
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event_trigger = {
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event_type = "google.storage.object.finalize"
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resource = google_storage_bucket.trigger_bucket.name
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}
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name = random_pet.main.id
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project_id = var.project_id
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region = var.region
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source_directory = "${path.module}/function_source"
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runtime = "nodejs8"
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source_dependent_files = [local_file.file]
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}
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resource "null_resource" "wait_for_function" {
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provisioner "local-exec" {
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command = "sleep 60"
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}
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depends_on = [module.localhost_function]
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}

‎examples/dynamic-files/outputs.tf‎

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/**
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* Copyright 2019 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 "project_id" {
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value = var.project_id
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description = "The ID of the project to which resources are applied."
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}
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output "region" {
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value = var.region
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description = "The region in which resources are applied."
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}
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output "function_name" {
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value = module.localhost_function.name
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description = "The name of the function created"
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}
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output "random_file_string" {
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value = random_string.random.result
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description = "The content of the terraform created file in the source directory."
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}

‎examples/dynamic-files/variables.tf‎

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/**
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* Copyright 2019 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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type = string
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description = "The ID of the project to which resources will be applied."
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}
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variable "folder_id" {
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type = string
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description = "The ID of the folder to look for changes."
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}
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variable "region" {
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type = string
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description = "The region in which resources will be applied."
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}

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