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google_container_cluster resource

Syntax

A google_container_cluster is used to test a Google Cluster resource

Beta Resource

This resource has beta fields available. To retrieve these fields, include beta: true in the constructor for the resource

Examples

describe google_container_cluster(project: 'chef-gcp-inspec', location: 'europe-west2-a', name: 'gcp-inspec-kube-cluster') do
  it { should exist }
  its('locations.sort'){ should cmp [ 'europe-west2-a', 'europe-west2-b', 'europe-west2-c' ].sort }

  its('master_auth.username') { should eq 'gcp-inspec-kube-admin' }
end

describe google_container_cluster(project: 'chef-gcp-inspec', location: 'europe-west2-a', name: 'nonexistent') do
  it { should_not exist }
end

Test that a GCP container cluster is in a particular state e.g. “RUNNING”

describe google_container_cluster(project: 'chef-inspec-gcp', location: 'europe-west2-a', name: 'inspec-gcp-kube-cluster') do
  its('status') { should eq 'RUNNING' }
end

Test that a GCP container cluster has the expected kube master user/password

describe google_container_cluster(project: 'chef-inspec-gcp', location: 'europe-west2-a', name: 'inspec-gcp-kube-cluster') do
  its('master_auth.username'){ should eq "user_name"}
  its('master_auth.password'){ should eq "choose_something_strong"}
end

Test that the locations where the GCP container cluster is running match those expected

describe google_container_cluster(project: 'chef-inspec-gcp', location: 'europe-west2-a', name: 'inspec-gcp-kube-cluster') do
  its('locations.sort'){should cmp ["europe-west2-a", "europe-west2-b", "europe-west2-c"].sort}
end

Test GCP container cluster network and subnetwork settings

describe google_container_cluster(project: 'chef-inspec-gcp', location: 'europe-west2-a', name: 'inspec-gcp-kube-cluster') do
  its('network'){should eq "default"}
  its('subnetwork'){should eq "default"}
end

Test GCP container cluster node pool configuration settings

describe google_container_cluster(project: 'chef-inspec-gcp', location: 'europe-west2-a', name: 'inspec-gcp-kube-cluster') do
  its('node_config.disk_size_gb'){should eq 100}
  its('node_config.image_type'){should eq "COS"}
  its('node_config.machine_type'){should eq "n1-standard-1"}
  its('node_ipv4_cidr_size'){should eq 24}
  its('node_pools.count'){should eq 1}
end

Properties

Properties that can be accessed from the google_container_cluster resource:

name
The name of this cluster. The name must be unique within this project and location, and can be up to 40 characters. Must be Lowercase letters, numbers, and hyphens only. Must start with a letter. Must end with a number or a letter.
description
An optional description of this cluster.
initial_node_count
The number of nodes to create in this cluster. You must ensure that your Compute Engine resource quota is sufficient for this number of instances. You must also have available firewall and routes quota. For requests, this field should only be used in lieu of a “nodePool” object, since this configuration (along with the “nodeConfig”) will be used to create a “NodePool” object with an auto-generated name. Do not use this and a nodePool at the same time. This field has been deprecated. Please use nodePool.initial_node_count instead.
node_config
Parameters used in creating the cluster’s nodes. For requests, this field should only be used in lieu of a “nodePool” object, since this configuration (along with the “initialNodeCount”) will be used to create a “NodePool” object with an auto-generated name. Do not use this and a nodePool at the same time. For responses, this field will be populated with the node configuration of the first node pool. If unspecified, the defaults are used.
machine_type
The name of a Google Compute Engine machine type (e.g. n1-standard-1). If unspecified, the default machine type is n1-standard-1.
disk_size_gb
Size of the disk attached to each node, specified in GB. The smallest allowed disk size is 10GB. If unspecified, the default disk size is 100GB.
oauth_scopes
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 recommended, but not required, and by default are not included: https://www.googleapis.com/auth/compute is required for mounting persistent storage on your nodes. https://www.googleapis.com/auth/devstorage.read_only is required for communicating with gcr.io (the Google Container Registry). If unspecified, no scopes are added, unless Cloud Logging or Cloud Monitoring are enabled, in which case their required scopes will be added.
service_account
The Google Cloud Platform Service Account to be used by the node VMs. If no Service Account is specified, the “default” service account is used.
metadata
The metadata key/value pairs assigned to instances in the cluster. Keys must conform to the regexp [a-zA-Z0-9-_]+ and be less than 128 bytes in length. These are reflected as part of a URL in the metadata server. Additionally, to avoid ambiguity, keys must not conflict with any other metadata keys for the project or be one of the four reserved keys: “instance-template”, “kube-env”, “startup-script”, and “user-data” Values are free-form strings, and only have meaning as interpreted by the image running in the instance. The only restriction placed on them is that each value’s size must be less than or equal to 32 KB. The total size of all keys and values must be less than 512 KB. An object containing a list of “key”: value pairs. Example: { “name”: “wrench”, “mass”: “1.3kg”, “count”: “3” }.
image_type
The image type to use for this node. Note that for a given image type, the latest version of it will be used.
labels
The map of Kubernetes labels (key/value pairs) to be applied to each node. These will added in addition to any default label(s) that Kubernetes may apply to the node. In case of conflict in label keys, the applied set may differ depending on the Kubernetes version – it’s best to assume the behavior is undefined and conflicts should be avoided. For more information, including usage and the valid values, see: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/ . An object containing a list of “key”: value pairs. Example: { “name”: “wrench”, “mass”: “1.3kg”, “count”: “3” }.
local_ssd_count
The number of local SSD disks to be attached to the node. The limit for this value is dependant upon the maximum number of disks available on a machine per zone. See: https://cloud.google.com/compute/docs/disks/local-ssd#local_ssd_limits for more information.
tags
The list of instance tags applied to all nodes. Tags are used to identify valid sources or targets for network firewalls and are specified by the client during cluster or node pool creation. Each tag within the list must comply with RFC1035.
preemptible
Whether the nodes are created as preemptible VM instances. See: https://cloud.google.com/compute/docs/instances/preemptible for more information about preemptible VM instances.
accelerators
A list of hardware accelerators to be attached to each node. See https://cloud.google.com/compute/docs/gpus for more information about support for GPUs.
accelerator_count
The number of accelerator cards exposed to an instance.
accelerator_type
The accelerator type resource name
disk_type
Type of the disk attached to each node (e.g. ‘pd-standard’ or ‘pd-ssd’) If unspecified, the default disk type is ‘pd-standard’
min_cpu_platform
Minimum CPU platform to be used by this instance. The instance may be scheduled on the specified or newer CPU platform.
taints
List of kubernetes taints to be applied to each node. For more information, including usage and the valid values, see: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
key
Key for taint
value
Value for taint
effect
Effect for taint

Possible values:

  • EFFECT_UNSPECIFIED
  • NO_SCHEDULE
  • PREFER_NO_SCHEDULE
  • NO_EXECUTE
master_auth
The authentication information for accessing the master endpoint.
username
The username to use for HTTP basic authentication to the master endpoint.
password
The password to use for HTTP basic authentication to the master endpoint. Because the master endpoint is open to the Internet, you should create a strong password with a minimum of 16 characters.
client_certificate_config
Configuration for client certificate authentication on the cluster. For clusters before v1.12, if no configuration is specified, a client certificate is issued.
issue_client_certificate
Issue a client certificate.
cluster_ca_certificate
Base64-encoded public certificate that is the root of trust for the cluster.
client_certificate
Base64-encoded public certificate used by clients to authenticate to the cluster endpoint.
client_key
Base64-encoded private key used by clients to authenticate to the cluster endpoint.
logging_service
The logging service the cluster should use to write logs. Currently available options: logging.googleapis.com - the Google Cloud Logging service. none - no logs will be exported from the cluster. if left as an empty string,logging.googleapis.com will be used.

Possible values:

  • logging.googleapis.com
  • none
monitoring_service
The monitoring service the cluster should use to write metrics. Currently available options: monitoring.googleapis.com - the Google Cloud Monitoring service. none - no metrics will be exported from the cluster. if left as an empty string, monitoring.googleapis.com will be used.

Possible values:

  • monitoring.googleapis.com
  • none
network
The name of the Google Compute Engine network to which the cluster is connected. If left unspecified, the default network will be used.
private_cluster_config
Configuration for a private cluster.
enable_private_nodes
Whether nodes have internal IP addresses only. If enabled, all nodes are given only RFC 1918 private addresses and communicate with the master via private networking.
enable_private_endpoint
Whether the master’s internal IP address is used as the cluster endpoint.
master_ipv4_cidr_block
The IP range in CIDR notation to use for the hosted master network. This range will be used for assigning internal IP addresses to the master or set of masters, as well as the ILB VIP. This range must not overlap with any other ranges in use within the cluster’s network.
private_endpoint
The internal IP address of this cluster’s master endpoint.
public_endpoint
The external IP address of this cluster’s master endpoint.
cluster_ipv4_cidr
The IP address range of the container pods in this cluster, in CIDR notation (e.g. 10.96.0.0/14). Leave blank to have one automatically chosen or specify a /14 block in 10.0.0.0/8.
enable_tpu
(Optional) Whether to enable Cloud TPU resources in this cluster. See the official documentation - https://cloud.google.com/tpu/docs/kubernetes-engine-setup
tpu_ipv4_cidr_block
The IP address range of the Cloud TPUs in this cluster, in CIDR notation (e.g. 1.2.3.4/29).
addons_config
Configurations for the various addons available to run in the cluster.
http_load_balancing
Configuration for the HTTP (L7) load balancing controller addon, which makes it easy to set up HTTP load balancers for services in a cluster.
disabled
Whether the HTTP Load Balancing controller is enabled in the cluster. When enabled, it runs a small pod in the cluster that manages the load balancers.
horizontal_pod_autoscaling
Configuration for the horizontal pod autoscaling feature, which increases or decreases the number of replica pods a replication controller has based on the resource usage of the existing pods.
disabled
Whether the Horizontal Pod Autoscaling feature is enabled in the cluster. When enabled, it ensures that a Heapster pod is running in the cluster, which is also used by the Cloud Monitoring service.
kubernetes_dashboard
Configuration for the Kubernetes Dashboard. This addon is deprecated, and will be disabled in 1.15. It is recommended to use the Cloud Console to manage and monitor your Kubernetes clusters, workloads and applications.
disabled
Whether the Kubernetes Dashboard is enabled for this cluster.
network_policy_config
Configuration for NetworkPolicy. This only tracks whether the addon is enabled or not on the Master, it does not track whether network policy is enabled for the nodes.
disabled
Whether NetworkPolicy is enabled for this cluster.
subnetwork
The name of the Google Compute Engine subnetwork to which the cluster is connected.
locations
The list of Google Compute Engine zones in which the cluster’s nodes should be located.
resource_labels
The resource labels for the cluster to use to annotate any related Google Compute Engine resources.
label_fingerprint
The fingerprint of the set of labels for this cluster.
legacy_abac
Configuration for the legacy ABAC authorization mode.
enabled
Whether the ABAC authorizer is enabled for this cluster. When enabled, identities in the system, including service accounts, nodes, and controllers, will have statically granted permissions beyond those provided by the RBAC configuration or IAM.
network_policy
Configuration options for the NetworkPolicy feature.
provider
The selected network policy provider.

Possible values:

  • PROVIDER_UNSPECIFIED
  • CALICO
enabled
Whether network policy is enabled on the cluster.
default_max_pods_constraint
The default constraint on the maximum number of pods that can be run simultaneously on a node in the node pool of this cluster. Only honored if cluster created with IP Alias support.
max_pods_per_node
Constraint enforced on the max num of pods per node.
ip_allocation_policy
Configuration for controlling how IPs are allocated in the cluster
use_ip_aliases
Whether alias IPs will be used for pod IPs in the cluster
create_subnetwork
Whether a new subnetwork will be created automatically for the cluster
subnetwork_name
A custom subnetwork name to be used if createSubnetwork is true. If this field is empty, then an automatic name will be chosen for the new subnetwork.
cluster_secondary_range_name
The name of the secondary range to be used for the cluster CIDR block. The secondary range will be used for pod IP addresses. This must be an existing secondary range associated with the cluster subnetwork
services_secondary_range_name
The name of the secondary range to be used as for the services CIDR block. The secondary range will be used for service ClusterIPs. This must be an existing secondary range associated with the cluster subnetwork.
cluster_ipv4_cidr_block
The IP address range for the cluster pod IPs. If this field is set, then cluster.cluster_ipv4_cidr must be left blank. This field is only applicable when useIpAliases is true. Set to blank to have a range chosen with the default size. Set to /netmask (e.g. /14) to have a range chosen with a specific netmask.
node_ipv4_cidr_block
The IP address range of the instance IPs in this cluster. This is applicable only if createSubnetwork is true. Set to blank to have a range chosen with the default size. Set to /netmask (e.g. /14) to have a range chosen with a specific netmask.
services_ipv4_cidr_block
The IP address range of the services IPs in this cluster. If blank, a range will be automatically chosen with the default size. This field is only applicable when useIpAliases is true. Set to blank to have a range chosen with the default size. Set to /netmask (e.g. /14) to have a range chosen with a specific netmask.
tpu_ipv4_cidr_block
The IP address range of the Cloud TPUs in this cluster. If unspecified, a range will be automatically chosen with the default size. This field is only applicable when useIpAliases is true. If unspecified, the range will use the default size. Set to /netmask (e.g. /14) to have a range chosen with a specific netmask.
endpoint
The IP address of this cluster’s master endpoint. The endpoint can be accessed from the internet at https://username:password@endpoint/ See the masterAuth property of this resource for username and password information.
initial_cluster_version
The software version of the master endpoint and kubelets used in the cluster when it was first created. The version can be upgraded over time.
current_master_version
The current software version of the master endpoint.
current_node_version
The current version of the node software components. If they are currently at multiple versions because they’re in the process of being upgraded, this reflects the minimum version of all nodes.
create_time
The time the cluster was created, in RFC3339 text format.
status
The current status of this cluster.

Possible values:

  • STATUS_UNSPECIFIED
  • PROVISIONING
  • RUNNING
  • RECONCILING
  • STOPPING
  • ERROR
  • DEGRADED
status_message
Additional information about the current status of this cluster, if available.
node_ipv4_cidr_size
The size of the address space on each node for hosting containers. This is provisioned from within the container_ipv4_cidr range.
services_ipv4_cidr
The IP address range of the Kubernetes services in this cluster, in CIDR notation (e.g. 1.2.3.4/29). Service addresses are typically put in the last /16 from the container CIDR.
current_node_count
The number of nodes currently in the cluster.
expire_time
The time the cluster will be automatically deleted in RFC3339 text format.
conditions
Which conditions caused the current cluster state.
code
Machine-friendly representation of the condition
message
Human-friendly representation of the condition
master_authorized_networks_config
Configuration for controlling how IPs are allocated in the cluster
enabled
Whether or not master authorized networks is enabled.
cidr_blocks
Define up to 50 external networks that could access Kubernetes master through HTTPS.
display_name
Optional field used to identify cidr blocks
cidr_block
Block specified in CIDR notation
node_pools
Node pools belonging to this cluster
name
Name of the node pool
pod_security_policy_config
(Beta only) Configuration for the PodSecurityPolicy feature.
enabled
If enabled, pods must be valid under a PodSecurityPolicy to be created.
binary_authorization
Configuration for the BinaryAuthorization feature.
enabled
If enabled, all container images will be validated by Binary Authorization.
location
The location where the cluster is deployed

GCP Permissions

Ensure the Kubernetes Engine API is enabled for the current project.

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