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| Original file line number | Diff line number | Diff line change |
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| # Safer GKE Cluster | ||
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| This example illustrates how to instantiate the opinionated Safer Cluster module. | ||
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| <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK --> | ||
| ## Inputs | ||
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| | Name | Description | Type | Default | Required | | ||
| |------|-------------|:----:|:-----:|:-----:| | ||
| | compute\_engine\_service\_account | Service account to associate to the nodes in the cluster | string | n/a | yes | | ||
| | project\_id | The project ID to host the cluster in | string | n/a | yes | | ||
| | region | The region to host the cluster in | string | `"us-central1"` | no | | ||
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| ## Outputs | ||
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| | Name | Description | | ||
| |------|-------------| | ||
| | ca\_certificate | The cluster ca certificate (base64 encoded) | | ||
| | client\_token | The bearer token for auth | | ||
| | cluster\_name | Cluster name | | ||
| | kubernetes\_endpoint | The cluster endpoint | | ||
| | location | | | ||
| | master\_kubernetes\_version | Kubernetes version of the master | | ||
| | network\_name | The name of the VPC being created | | ||
| | project\_id | The project ID the cluster is in | | ||
| | region | The region in which the cluster resides | | ||
| | service\_account | The service account to default running nodes as if not overridden in `node_pools`. | | ||
| | subnet\_names | The names of the subnet being created | | ||
| | 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: | ||
| - `terraform init` to get the plugins | ||
| - `terraform plan` to see the infrastructure plan | ||
| - `terraform apply` to apply the infrastructure build | ||
| - `terraform destroy` to destroy the built infrastructure |
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| /** | ||
| * Copyright 2018 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. | ||
| */ | ||
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| resource "random_string" "suffix" { | ||
| length = 4 | ||
| special = false | ||
| upper = false | ||
| } | ||
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| locals { | ||
| cluster_type = "safer-cluster" | ||
| network_name = "safer-cluster-network-${random_string.suffix.result}" | ||
| subnet_name = "safer-cluster-subnet-${random_string.suffix.result}" | ||
| master_auth_subnetwork = "safer-cluster-master-subnet-${random_string.suffix.result}" | ||
| pods_range_name = "ip-range-pods-${random_string.suffix.result}" | ||
| svc_range_name = "ip-range-svc-${random_string.suffix.result}" | ||
| } | ||
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| provider "google" { | ||
| version = "~> 2.18.0" | ||
| } | ||
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| provider "google-beta" { | ||
| version = "~> 2.18.0" | ||
| } | ||
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| module "gke" { | ||
| source = "../../modules/safer-cluster/" | ||
| project_id = var.project_id | ||
| name = "${local.cluster_type}-cluster-${random_string.suffix.result}" | ||
| regional = true | ||
| region = var.region | ||
| network = module.gcp-network.network_name | ||
| subnetwork = module.gcp-network.subnets_names[0] | ||
| ip_range_pods = local.pods_range_name | ||
| ip_range_services = local.svc_range_name | ||
| compute_engine_service_account = var.compute_engine_service_account | ||
| master_ipv4_cidr_block = "172.16.0.0/28" | ||
| master_authorized_networks_config = [ | ||
| { | ||
| cidr_blocks = [ | ||
| { | ||
| cidr_block = "10.60.0.0/17" | ||
| display_name = "VPC" | ||
| }, | ||
| ] | ||
| }, | ||
| ] | ||
| istio = true | ||
| cloudrun = true | ||
| } | ||
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| data "google_client_config" "default" { | ||
| } | ||
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| /** | ||
| * Copyright 2018 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. | ||
| */ | ||
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| module "gcp-network" { | ||
| source = "terraform-google-modules/network/google" | ||
| version = "~> 1.4.0" | ||
| project_id = var.project_id | ||
| network_name = local.network_name | ||
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| subnets = [ | ||
| { | ||
| subnet_name = local.subnet_name | ||
| subnet_ip = "10.0.0.0/17" | ||
| subnet_region = var.region | ||
| }, | ||
| { | ||
| subnet_name = local.master_auth_subnetwork | ||
| subnet_ip = "10.60.0.0/17" | ||
| subnet_region = var.region | ||
| }, | ||
| ] | ||
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| secondary_ranges = { | ||
| "${local.subnet_name}" = [ | ||
| { | ||
| range_name = local.pods_range_name | ||
| ip_cidr_range = "192.168.0.0/18" | ||
| }, | ||
| { | ||
| range_name = local.svc_range_name | ||
| ip_cidr_range = "192.168.64.0/18" | ||
| }, | ||
| ] | ||
| } | ||
| } |
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| /** | ||
| * Copyright 2018 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. | ||
| */ | ||
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| output "kubernetes_endpoint" { | ||
| description = "The cluster endpoint" | ||
| sensitive = true | ||
| value = module.gke.endpoint | ||
| } | ||
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| output "cluster_name" { | ||
| description = "Cluster name" | ||
| value = module.gke.name | ||
| } | ||
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| output "location" { | ||
| value = module.gke.location | ||
| } | ||
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| output "master_kubernetes_version" { | ||
| description = "Kubernetes version of the master" | ||
| value = module.gke.master_version | ||
| } | ||
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| output "client_token" { | ||
| description = "The bearer token for auth" | ||
| sensitive = true | ||
| value = base64encode(data.google_client_config.default.access_token) | ||
| } | ||
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| output "ca_certificate" { | ||
| description = "The cluster ca certificate (base64 encoded)" | ||
| value = module.gke.ca_certificate | ||
| } | ||
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| output "service_account" { | ||
| description = "The service account to default running nodes as if not overridden in `node_pools`." | ||
| value = module.gke.service_account | ||
| } | ||
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| output "network_name" { | ||
| description = "The name of the VPC being created" | ||
| value = module.gcp-network.network_name | ||
| } | ||
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| output "subnet_names" { | ||
| description = "The names of the subnet being created" | ||
| value = module.gcp-network.subnets_names | ||
| } | ||
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| output "region" { | ||
| description = "The region in which the cluster resides" | ||
| value = module.gke.region | ||
| } | ||
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| output "zones" { | ||
| description = "List of zones in which the cluster resides" | ||
| value = module.gke.zones | ||
| } | ||
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| output "project_id" { | ||
| description = "The project ID the cluster is in" | ||
| value = var.project_id | ||
| } |
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