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add example and test fixture for gateway api
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‎.kitchen.yml

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systems:
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- name: simple_regional_private
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backend: local
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- name: "simple_regional_with_gateway_api"
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driver:
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root_module_directory: test/fixtures/simple_regional_with_gateway_api
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verifier:
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systems:
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- name: simple_regional_with_gateway_api
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backend: local
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- name: "simple_regional_with_kubeconfig"
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driver:
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root_module_directory: test/fixtures/simple_regional_with_kubeconfig

‎examples/simple_regional_with_gateway_api/README.md

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# Simple Regional Cluster
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This example illustrates how to create a simple cluster.
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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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| cluster\_name\_suffix | A suffix to append to the default cluster name | `string` | `""` | no |
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| compute\_engine\_service\_account | Service account to associate to the nodes in the cluster | `any` | n/a | yes |
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| enable\_binary\_authorization | Enable BinAuthZ Admission controller | `bool` | `false` | no |
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| gateway\_api\_channel | The gateway api channel of this cluster. Accepted values are `CHANNEL_STANDARD` and `CHANNEL_DISABLED`. | `string` | `null` | no |
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| ip\_range\_pods | The secondary ip range to use for pods | `any` | n/a | yes |
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| ip\_range\_services | The secondary ip range to use for services | `any` | n/a | yes |
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| network | The VPC network to host the cluster in | `any` | n/a | yes |
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| project\_id | The project ID to host the cluster in | `any` | n/a | yes |
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| region | The region to host the cluster in | `any` | n/a | yes |
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| skip\_provisioners | Flag to skip local-exec provisioners | `bool` | `false` | no |
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| subnetwork | The subnetwork to host the cluster in | `any` | n/a | yes |
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## Outputs
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| Name | Description |
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|------|-------------|
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| ca\_certificate | n/a |
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| client\_token | n/a |
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| cluster\_name | Cluster name |
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| ip\_range\_pods | The secondary IP range used for pods |
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| ip\_range\_services | The secondary IP range used for services |
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| kubernetes\_endpoint | n/a |
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| location | n/a |
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| master\_kubernetes\_version | The master Kubernetes version |
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| network | n/a |
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| project\_id | n/a |
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| region | n/a |
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| service\_account | The default service account used for running nodes. |
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| subnetwork | n/a |
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| zones | List of zones in which the cluster resides |
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<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
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To provision this example, run the following from within this directory:
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- `terraform init` to get the plugins
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- `terraform plan` to see the infrastructure plan
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- `terraform apply` to apply the infrastructure build
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- `terraform destroy` to destroy the built infrastructure

‎examples/simple_regional_with_gateway_api/main.tf

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/**
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* Copyright 2018 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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locals {
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cluster_type = "simple-regional"
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}
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data "google_client_config" "default" {}
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provider "kubernetes" {
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host = "https://${module.gke.endpoint}"
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token = data.google_client_config.default.access_token
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cluster_ca_certificate = base64decode(module.gke.ca_certificate)
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}
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module "gke" {
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source = "../../"
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project_id = var.project_id
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name = "${local.cluster_type}-cluster${var.cluster_name_suffix}"
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regional = true
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region = var.region
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network = var.network
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subnetwork = var.subnetwork
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ip_range_pods = var.ip_range_pods
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ip_range_services = var.ip_range_services
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create_service_account = false
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service_account = var.compute_engine_service_account
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enable_cost_allocation = true
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enable_binary_authorization = var.enable_binary_authorization
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skip_provisioners = var.skip_provisioners
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gateway_api_channel = var.gateway_api_channel
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}

‎examples/simple_regional_with_gateway_api/outputs.tf

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/**
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* Copyright 2018 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 "kubernetes_endpoint" {
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sensitive = true
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value = module.gke.endpoint
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}
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output "client_token" {
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sensitive = true
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value = base64encode(data.google_client_config.default.access_token)
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}
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output "ca_certificate" {
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value = module.gke.ca_certificate
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}
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output "service_account" {
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description = "The default service account used for running nodes."
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value = module.gke.service_account
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}
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‎examples/simple_regional_with_gateway_api/test_outputs.tf

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../../test/fixtures/all_examples/test_outputs.tf

‎examples/simple_regional_with_gateway_api/variables.tf

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/**
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* Copyright 2018 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 project ID to host the cluster in"
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}
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variable "cluster_name_suffix" {
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description = "A suffix to append to the default cluster name"
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default = ""
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}
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variable "region" {
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description = "The region to host the cluster in"
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}
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variable "network" {
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description = "The VPC network to host the cluster in"
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}
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variable "subnetwork" {
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description = "The subnetwork to host the cluster in"
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}
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variable "ip_range_pods" {
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description = "The secondary ip range to use for pods"
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}
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variable "ip_range_services" {
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description = "The secondary ip range to use for services"
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}
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variable "compute_engine_service_account" {
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description = "Service account to associate to the nodes in the cluster"
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}
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variable "skip_provisioners" {
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type = bool
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description = "Flag to skip local-exec provisioners"
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default = false
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}
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variable "enable_binary_authorization" {
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description = "Enable BinAuthZ Admission controller"
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default = false
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}
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variable "gateway_api_channel" {
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type = string
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description = "The gateway api channel of this cluster. Accepted values are `CHANNEL_STANDARD` and `CHANNEL_DISABLED`."
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default = null
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}

‎examples/simple_regional_with_gateway_api/versions.tf

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/**
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* Copyright 2021 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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kubernetes = {
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source = "hashicorp/kubernetes"
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}
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}
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required_version = ">= 0.13"
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}

‎test/fixtures/simple_regional_with_gateway_api/example.tf

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/**
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* Copyright 2018 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 "example" {
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source = "../../../examples/simple_regional_with_gateway_api"
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project_id = var.project_ids[0]
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cluster_name_suffix = "-${random_string.suffix.result}"
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region = var.region
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network = google_compute_network.main.name
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subnetwork = google_compute_subnetwork.main.name
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ip_range_pods = google_compute_subnetwork.main.secondary_ip_range[0].range_name
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ip_range_services = google_compute_subnetwork.main.secondary_ip_range[1].range_name
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compute_engine_service_account = var.compute_engine_service_accounts[0]
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skip_provisioners = true
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enable_binary_authorization = true
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gateway_api_channel = "CHANNEL_STANDARD"
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}

‎test/fixtures/simple_regional_with_gateway_api/network.tf

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/**
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* Copyright 2018 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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resource "random_string" "suffix" {
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length = 4
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special = false
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upper = false
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}
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provider "google" {
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project = var.project_ids[0]
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}
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resource "google_compute_network" "main" {
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name = "cft-gke-test-${random_string.suffix.result}"
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auto_create_subnetworks = false
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}
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resource "google_compute_subnetwork" "main" {
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name = "cft-gke-test-${random_string.suffix.result}"
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ip_cidr_range = "10.0.0.0/17"
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region = var.region
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network = google_compute_network.main.self_link
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secondary_ip_range {
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range_name = "cft-gke-test-pods-${random_string.suffix.result}"
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ip_cidr_range = "192.168.0.0/18"
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}
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secondary_ip_range {
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range_name = "cft-gke-test-services-${random_string.suffix.result}"
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ip_cidr_range = "192.168.64.0/18"
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}
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}
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‎test/fixtures/simple_regional_with_gateway_api/outputs.tf

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../shared/outputs.tf

‎test/fixtures/simple_regional_with_gateway_api/variables.tf

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../shared/variables.tf

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