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feat: add example for GKE confidential nodes with GPU #2426
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,43 @@ | ||
| # Confidential GPU GKE Cluster | ||
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| This example illustrates how to instantiate the Beta Public Cluster module | ||
| with confidential nodes enabled, database encrypted with KMS key | ||
| and encrypted GPU Workload with NVIDIA Confidential Computing. | ||
| This module also installs the NVIDIA drivers on the GPU, so it's | ||
| ready to receive workloads. | ||
| See more: https://cloud.google.com/kubernetes-engine/docs/how-to/gpus-confidential-nodes. | ||
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| <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK --> | ||
| ## Inputs | ||
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| | Name | Description | Type | Default | Required | | ||
| |------|-------------|------|---------|:--------:| | ||
| | 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 | | ||
| | zones | The zones to host the nodes in. The nodes must be in a zone that supports NVIDIA Confidential Computing. For more information, [view supported zones](https://cloud.google.com/confidential-computing/confidential-vm/docs/supported-configurations#nvidia-confidential-computing_1). | `list(string)` | <pre>[<br> "us-central1-a"<br>]</pre> | no | | ||
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| ## Outputs | ||
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| | Name | Description | | ||
| |------|-------------| | ||
| | ca\_certificate | The cluster ca certificate (base64 encoded). | | ||
| | cluster\_name | Cluster name. | | ||
| | keyring | The name of the keyring. | | ||
| | kms\_key\_name | KMS Key Name. | | ||
| | kubernetes\_endpoint | The cluster endpoint. | | ||
| | location | n/a | | ||
| | 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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| @@ -0,0 +1,41 @@ | ||
| /** | ||
| * Copyright 2025 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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| locals { | ||
| key_name = "gke-key-${random_string.suffix.result}" | ||
| } | ||
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| module "kms" { | ||
| source = "terraform-google-modules/kms/google" | ||
| version = "~> 4.0" | ||
| project_id = var.project_id | ||
| location = var.region | ||
| keyring = "gke-keyring-${random_string.suffix.result}" | ||
| keys = [local.key_name] | ||
| prevent_destroy = false | ||
| } | ||
|
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| resource "google_project_service_identity" "container_identity" { | ||
| provider = google-beta | ||
| project = var.project_id | ||
| service = "container.googleapis.com" | ||
| } | ||
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| resource "google_kms_crypto_key_iam_member" "sm_sa_encrypter_decrypter" { | ||
| role = "roles/cloudkms.cryptoKeyEncrypterDecrypter" | ||
| member = google_project_service_identity.container_identity.member | ||
| crypto_key_id = module.kms.keys[local.key_name] | ||
| } |
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| /** | ||
| * Copyright 2025 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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| locals { | ||
| cluster_type = "confidential-gpu" | ||
| network_name = "confidential-gpu-network-${random_string.suffix.result}" | ||
| subnet_name = "confidential-gpu-subnet" | ||
| master_auth_subnetwork = "confidential-gpu-master-subnet" | ||
| pods_range_name = "ip-range-pods-${random_string.suffix.result}" | ||
| svc_range_name = "ip-range-svc-${random_string.suffix.result}" | ||
| subnet_names = [for subnet_self_link in module.gcp-network.subnets_self_links : split("/", subnet_self_link)[length(split("/", subnet_self_link)) - 1]] | ||
| } | ||
|
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| resource "random_string" "suffix" { | ||
| length = 4 | ||
| special = false | ||
| upper = false | ||
| } | ||
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| data "google_project" "main" { | ||
| project_id = var.project_id | ||
| } | ||
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| resource "google_kms_crypto_key_iam_member" "main" { | ||
| crypto_key_id = module.kms.keys[local.key_name] | ||
| role = "roles/cloudkms.cryptoKeyEncrypterDecrypter" | ||
| member = "serviceAccount:service-${data.google_project.main.number}@compute-system.iam.gserviceaccount.com" | ||
| } | ||
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| data "google_client_config" "default" {} | ||
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| provider "kubernetes" { | ||
| host = "https://${module.gke.endpoint}" | ||
| token = data.google_client_config.default.access_token | ||
| cluster_ca_certificate = base64decode(module.gke.ca_certificate) | ||
| } | ||
|
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| module "gke" { | ||
| source = "terraform-google-modules/kubernetes-engine/google//modules/beta-public-cluster" | ||
| version = "~> 37.0" | ||
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| project_id = var.project_id | ||
| name = "${local.cluster_type}-cluster-${random_string.suffix.result}" | ||
| region = var.region | ||
| zones = var.zones | ||
| network = module.gcp-network.network_name | ||
| subnetwork = local.subnet_names[index(module.gcp-network.subnets_names, local.subnet_name)] | ||
| ip_range_pods = local.pods_range_name | ||
| ip_range_services = local.svc_range_name | ||
| create_service_account = false | ||
| initial_node_count = 1 | ||
| remove_default_node_pool = true | ||
| disable_legacy_metadata_endpoints = false | ||
| deletion_protection = false | ||
| service_account = "default" | ||
| logging_variant = "MAX_THROUGHPUT" | ||
| dns_allow_external_traffic = true | ||
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| enable_confidential_nodes = true | ||
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| database_encryption = [ | ||
| { | ||
| "key_name" : module.kms.keys[local.key_name], | ||
| "state" : "ENCRYPTED" | ||
| } | ||
| ] | ||
|
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| node_pools = [ | ||
| { | ||
| name = "default" | ||
| machine_type = "a3-highgpu-1g" | ||
| confidential_instance_type = "TDX" | ||
| spot = true | ||
| disk_type = "hyperdisk-balanced" | ||
| boot_disk_kms_key = module.kms.keys[local.key_name] | ||
| enable_confidential_storage = true | ||
| accelerator_count = 1 | ||
| accelerator_type = "nvidia-h100-80gb" | ||
| gpu_driver_version = "INSTALLATION_DISABLED" | ||
| node_locations = join(",", var.zones) | ||
| local_ssd_ephemeral_storage_count = 2 | ||
| }, | ||
| ] | ||
| } | ||
|
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| module "kubectl" { | ||
| source = "terraform-google-modules/gcloud/google//modules/kubectl-wrapper" | ||
| version = "~> 3.0" | ||
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| project_id = var.project_id | ||
| cluster_name = module.gke.name | ||
| cluster_location = module.gke.location | ||
| module_depends_on = [module.gke.endpoint] | ||
| kubectl_create_command = "kubectl apply -f https://raw.githubusercontent.com/GoogleCloudPlatform/container-engine-accelerators/refs/heads/master/nvidia-driver-installer/cos/daemonset-confidential.yaml" | ||
| kubectl_destroy_command = "kubectl delete -f https://raw.githubusercontent.com/GoogleCloudPlatform/container-engine-accelerators/refs/heads/master/nvidia-driver-installer/cos/daemonset-confidential.yaml" | ||
| skip_download = true | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /** | ||
| * Copyright 2025 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 = "~> 11.0" | ||
|
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| project_id = var.project_id | ||
| network_name = local.network_name | ||
| routing_mode = "GLOBAL" | ||
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| subnets = [ | ||
| { | ||
| subnet_name = local.subnet_name | ||
| subnet_ip = "10.0.0.0/17" | ||
| subnet_region = var.region | ||
| subnet_private_access = true | ||
| }, | ||
| { | ||
| subnet_name = local.master_auth_subnetwork | ||
| subnet_ip = "10.60.0.0/17" | ||
| subnet_region = var.region | ||
| subnet_private_access = true | ||
| }, | ||
| ] | ||
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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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Please document any new node_pool parameters in https://github.com/terraform-google-modules/terraform-google-kubernetes-engine/blob/main/autogen/main/README.md?plain=1#L190