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@@ -144,7 +144,7 @@ Then perform the following commands on the root folder: | |
| | additional\_ip\_range\_pods | List of _names_ of the additional secondary subnet ip ranges to use for pods | `list(string)` | `[]` | no | | ||
| | authenticator\_security\_group | The name of the RBAC security group for use with Google security groups in Kubernetes RBAC. Group name must be in format [email protected] | `string` | `null` | no | | ||
| | boot\_disk\_kms\_key | The Customer Managed Encryption Key used to encrypt the boot disk attached to each node in the node pool, if not overridden in `node_pools`. This should be of the form projects/[KEY\_PROJECT\_ID]/locations/[LOCATION]/keyRings/[RING\_NAME]/cryptoKeys/[KEY\_NAME]. For more information about protecting resources with Cloud KMS Keys please see: https://cloud.google.com/compute/docs/disks/customer-managed-encryption | `string` | `null` | no | | ||
| | cluster\_autoscaling | Cluster autoscaling configuration. See [more details](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#clusterautoscaling) | <pre>object({<br> enabled = bool<br> autoscaling_profile = string<br> min_cpu_cores = number<br> max_cpu_cores = number<br> min_memory_gb = number<br> max_memory_gb = number<br> gpu_resources = list(object({ resource_type = string, minimum = number, maximum = number }))<br> auto_repair = bool<br> auto_upgrade = bool<br> disk_size = optional(number)<br> disk_type = optional(string)<br> image_type = optional(string)<br> strategy = optional(string)<br> max_surge = optional(number)<br> max_unavailable = optional(number)<br> node_pool_soak_duration = optional(string)<br> batch_soak_duration = optional(string)<br> batch_percentage = optional(number)<br> batch_node_count = optional(number)<br> })</pre> | <pre>{<br> "auto_repair": true,<br> "auto_upgrade": true,<br> "autoscaling_profile": "BALANCED",<br> "disk_size": 100,<br> "disk_type": "pd-standard",<br> "enabled": false,<br> "gpu_resources": [],<br> "image_type": "COS_CONTAINERD",<br> "max_cpu_cores": 0,<br> "max_memory_gb": 0,<br> "min_cpu_cores": 0,<br> "min_memory_gb": 0<br>}</pre> | no | | ||
| | cluster\_autoscaling | Cluster autoscaling configuration. See [more details](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#clusterautoscaling) | <pre>object({<br> enabled = bool<br> autoscaling_profile = string<br> min_cpu_cores = number<br> max_cpu_cores = number<br> min_memory_gb = number<br> max_memory_gb = number<br> gpu_resources = list(object({ resource_type = string, minimum = number, maximum = number }))<br> auto_repair = bool<br> auto_upgrade = bool<br> disk_size = optional(number)<br> disk_type = optional(string)<br> image_type = optional(string)<br> strategy = optional(string)<br> max_surge = optional(number)<br> max_unavailable = optional(number)<br> node_pool_soak_duration = optional(string)<br> batch_soak_duration = optional(string)<br> batch_percentage = optional(number)<br> batch_node_count = optional(number)<br> enable_secure_boot = optional(bool, false)<br> enable_integrity_monitoring = optional(bool, true)<br> })</pre> | <pre>{<br> "auto_repair": true,<br> "auto_upgrade": true,<br> "autoscaling_profile": "BALANCED",<br> "disk_size": 100,<br> "disk_type": "pd-standard",<br> "enable_integrity_monitoring": true,<br> "enable_secure_boot": false,<br> "enabled": false,<br> "gpu_resources": [],<br> "image_type": "COS_CONTAINERD",<br> "max_cpu_cores": 0,<br> "max_memory_gb": 0,<br> "min_cpu_cores": 0,<br> "min_memory_gb": 0<br>}</pre> | no | | ||
| | cluster\_dns\_domain | The suffix used for all cluster service records. | `string` | `""` | no | | ||
| | cluster\_dns\_provider | Which in-cluster DNS provider should be used. PROVIDER\_UNSPECIFIED (default) or PLATFORM\_DEFAULT or CLOUD\_DNS. | `string` | `"PROVIDER_UNSPECIFIED"` | no | | ||
| | cluster\_dns\_scope | The scope of access to cluster DNS records. DNS\_SCOPE\_UNSPECIFIED (default) or CLUSTER\_SCOPE or VPC\_SCOPE. | `string` | `"DNS_SCOPE_UNSPECIFIED"` | no | | ||
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| # GKE island cluster anywhere in GCP design | ||
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| This example provisions a cluster in an island VPC allowing reuse of the IP address space for multiple clusters across different GCP organizations. | ||
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| ## Deploy | ||
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| 1. Create NCC hub. | ||
| 2. Update `ncc_hub_project_id`, `ncc_hub_name`, `network_name` and gke spokes in `terraform.tfvars`. | ||
| 3. Run `terraform apply`. | ||
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| <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK --> | ||
| ## Inputs | ||
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| | Name | Description | Type | Default | Required | | ||
| |------|-------------|------|---------|:--------:| | ||
| | gke\_spokes | n/a | `any` | n/a | yes | | ||
| | ingress\_ip\_addrs\_subnet\_cidr | Subnet to use for reserving internal ip addresses for the ILBs. | `string` | n/a | yes | | ||
| | master\_authorized\_networks | List of master authorized networks. If none are provided, disallow external access (except the cluster node IPs, which GKE automatically whitelists). | `list(object({ cidr_block = string, display_name = string }))` | n/a | yes | | ||
| | ncc\_hub\_name | n/a | `string` | n/a | yes | | ||
| | ncc\_hub\_project\_id | n/a | `string` | n/a | yes | | ||
| | net\_attachment\_subnet\_cidr | Subnet for the router PSC interface network attachment in island network. | `string` | n/a | yes | | ||
| | node\_locations | n/a | `list(string)` | n/a | yes | | ||
| | primary\_net\_name | Primary VPC network name. | `string` | n/a | yes | | ||
| | primary\_subnet | Subnet to use in primary network to deploy the router. | `string` | n/a | yes | | ||
| | proxy\_subnet\_cidr | CIDR for the regional managed proxy subnet. | `string` | n/a | yes | | ||
| | region | n/a | `string` | n/a | yes | | ||
| | router\_machine\_type | n/a | `string` | n/a | yes | | ||
| | secondary\_ranges | n/a | `map(string)` | n/a | yes | | ||
| | subnet\_cidr | Primary subnet CIDR used by the cluster. | `string` | n/a | yes | | ||
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| ## Outputs | ||
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| | Name | Description | | ||
| |------|-------------| | ||
| | cluster\_ids | n/a | | ||
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| <!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK --> |
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| /** | ||
| * Copyright 2024 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_id" "rand" { | ||
| byte_length = 4 | ||
| } | ||
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| resource "google_service_account" "gke-sa" { | ||
| for_each = { for k, v in var.gke_spokes : k => v } | ||
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| account_id = "gke-sa-${random_id.rand.hex}" | ||
| project = each.value["project_id"] | ||
| } | ||
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| module "gke" { | ||
| source = "terraform-google-modules/kubernetes-engine/google//modules/beta-private-cluster" | ||
| version = "~> 31.0" | ||
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| for_each = { for k, v in var.gke_spokes : k => v } | ||
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| name = each.value["cluster_name"] | ||
| project_id = each.value["project_id"] | ||
| region = var.region | ||
| release_channel = "RAPID" | ||
| zones = var.node_locations | ||
| network = module.net[each.key].network_name | ||
| subnetwork = "${each.value["cluster_name"]}-${var.region}-snet" | ||
| ip_range_pods = "${each.value["cluster_name"]}-${var.region}-snet-pods" | ||
| ip_range_services = "${each.value["cluster_name"]}-${var.region}-snet-services" | ||
| enable_private_endpoint = true | ||
| enable_private_nodes = true | ||
| datapath_provider = "ADVANCED_DATAPATH" | ||
| monitoring_enable_managed_prometheus = false | ||
| enable_shielded_nodes = true | ||
| master_global_access_enabled = false | ||
| master_ipv4_cidr_block = var.secondary_ranges["master_cidr"] | ||
| master_authorized_networks = var.master_authorized_networks | ||
| deletion_protection = false | ||
| remove_default_node_pool = true | ||
| disable_default_snat = true | ||
| gateway_api_channel = "CHANNEL_STANDARD" | ||
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| node_pools = [ | ||
| { | ||
| name = "default" | ||
| machine_type = "e2-highcpu-2" | ||
| min_count = 1 | ||
| max_count = 100 | ||
| local_ssd_count = 0 | ||
| spot = true | ||
| local_ssd_ephemeral_count = 0 | ||
| disk_size_gb = 100 | ||
| disk_type = "pd-standard" | ||
| image_type = "COS_CONTAINERD" | ||
| logging_variant = "DEFAULT" | ||
| auto_repair = true | ||
| auto_upgrade = true | ||
| service_account = google_service_account.gke-sa[each.key].email | ||
| initial_node_count = 1 | ||
| enable_secure_boot = true | ||
| }, | ||
| ] | ||
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| node_pools_tags = { | ||
| all = ["gke-${random_id.rand.hex}"] | ||
| } | ||
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| node_pools_oauth_scopes = { | ||
| all = [ | ||
| "https://www.googleapis.com/auth/logging.write", | ||
| "https://www.googleapis.com/auth/monitoring", | ||
| ] | ||
| } | ||
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| timeouts = { | ||
| create = "15m" | ||
| update = "15m" | ||
| delete = "15m" | ||
| } | ||
| } |
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examples/island_cluster_anywhere_in_gcp_design/manifests/k8s.yaml
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| # Copyright 2024 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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| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: whereami | ||
| spec: | ||
| replicas: 3 | ||
| selector: | ||
| matchLabels: | ||
| app: whereami | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: whereami | ||
| spec: | ||
| containers: | ||
| - name: whereami | ||
| image: us-docker.pkg.dev/google-samples/containers/gke/whereami:v1.2.19 | ||
| ports: | ||
| - name: http | ||
| containerPort: 8080 | ||
| resources: | ||
| requests: | ||
| cpu: "50m" | ||
| memory: 128Mi | ||
| limits: | ||
| cpu: "100m" | ||
| memory: 256Mi | ||
| readinessProbe: | ||
| httpGet: | ||
| path: /healthz | ||
| port: 8080 | ||
| scheme: HTTP | ||
| initialDelaySeconds: 5 | ||
| timeoutSeconds: 1 | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: whereami | ||
| spec: | ||
| type: ClusterIP | ||
| selector: | ||
| app: whereami | ||
| ports: | ||
| - port: 80 | ||
| targetPort: 8080 | ||
| protocol: TCP | ||
| --- | ||
| kind: Gateway | ||
| apiVersion: gateway.networking.k8s.io/v1beta1 | ||
| metadata: | ||
| name: l7-ilb | ||
| spec: | ||
| gatewayClassName: gke-l7-rilb | ||
| listeners: | ||
| - name: http | ||
| protocol: HTTP | ||
| port: 80 | ||
| addresses: | ||
| - type: NamedAddress | ||
| value: gke-spoke-1-l7-rilb-ip | ||
| --- | ||
| kind: HTTPRoute | ||
| apiVersion: gateway.networking.k8s.io/v1beta1 | ||
| metadata: | ||
| name: whereami | ||
| spec: | ||
| parentRefs: | ||
| - kind: Gateway | ||
| name: l7-ilb | ||
| rules: | ||
| - backendRefs: | ||
| - name: whereami | ||
| port: 80 |
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