google_container_cluster

!> Warning: Due to limitations of the API, all arguments except node_version are non-updateable. Changing any will cause recreation of the whole cluster!

Example usage

resource "google_container_cluster" "primary" {
  name = "marcellus-wallace"
  zone = "us-central1-a"
  initial_node_count = 3

  master_auth {
    username = "mr.yoda"
    password = "adoy.rm"
  }

  node_config {
    oauth_scopes = [
      "https://www.googleapis.com/auth/compute",
      "https://www.googleapis.com/auth/devstorage.read_only",
      "https://www.googleapis.com/auth/logging.write",
      "https://www.googleapis.com/auth/monitoring"
    ]
  }
}

Argument Reference

  • initial_node_count - (Required) The number of nodes to create in this cluster (not including the Kubernetes master).

  • master_auth - (Required) The authentication information for accessing the Kubernetes master.

  • name - (Required) The name of the cluster, unique within the project and zone.

  • zone - (Required) The zone that all resources should be created in.


  • addons_config - (Optional) The configuration for addons supported by Google Container Engine

  • cluster_ipv4_cidr - (Optional) The IP address range of the container pods in this cluster. Default is an automatically assigned CIDR.

  • description - (Optional) Description of the cluster.

  • logging_service - (Optional) The logging service that the cluster should write logs to. Available options include logging.googleapis.com and none. Defaults to logging.googleapis.com

  • monitoring_service - (Optional) The monitoring service that the cluster should write metrics to. Available options include monitoring.googleapis.com and none. Defaults to monitoring.googleapis.com

  • network - (Optional) The name of the Google Compute Engine network to which the cluster is connected

  • node_config - (Optional) The machine type and image to use for all nodes in this cluster

  • node_version - (Optional) The Kubernetes version on the nodes. Only valid for upgrading of existing cluster. Defaults to latest version supported by the server.

  • project - (Optional) The project in which the resource belongs. If it is not provided, the provider project is used.

  • subnetwork - (Optional) The name of the Google Compute Engine subnetwork in which the cluster's instances are launched

Master Auth supports the following arguments:

  • password - The password to use for HTTP basic authentication when accessing the Kubernetes master endpoint

  • username - The username to use for HTTP basic authentication when accessing the Kubernetes master endpoint

Node Config supports the following arguments:

  • machine_type - (Optional) The name of a Google Compute Engine machine type. Defaults to n1-standard-1.

  • disk_size_gb - (Optional) Size of the disk attached to each node, specified in GB. The smallest allowed disk size is 10GB. Defaults to 100GB.

  • oauth_scopes - (Optional) The set of Google API scopes to be made available on all of the node VMs under the "default" service account. The following scopes are necessary to ensure the correct functioning of the cluster:

    • https://www.googleapis.com/auth/compute
    • https://www.googleapis.com/auth/devstorage.read_only
    • https://www.googleapis.com/auth/logging.write (if logging_service points to Google)
    • https://www.googleapis.com/auth/monitoring (if monitoring_service points to Google)

Addons Config supports the following addons:

  • http_load_balancing - (Optional) The status of the HTTP Load Balancing addon. It is enabled by default; set disabled = true to disable.
  • horizontal_pod_autoscaling - (Optional) The status of the Horizontal Pod Autoscaling addon. It is enabled by default; set disabled = true to disable.

This example addons_config disables both addons:

addons_config {
  http_load_balancing { 
    disabled = false
  }
  horizontal_pod_autoscaling {
    disabled = false
  }
}

Attributes Reference

In addition to the arguments listed above, the following computed attributes are exported:

  • endpoint - The IP address of this cluster's Kubernetes master

  • instance_group_urls - List of instance group URLs which have been assigned to the cluster

  • master_auth.client_certificate - Base64 encoded public certificate used by clients to authenticate to the cluster endpoint.

  • master_auth.client_key - Base64 encoded private key used by clients to authenticate to the cluster endpoint

  • master_auth.cluster_ca_certificate - Base64 encoded public certificate that is the root of trust for the cluster