Chapter 11. Installation configuration parameters for OpenStack

apiVersion:

The API version for the install-config.yaml content. The current version is v1. The installation program may also support older API versions.

String

baseDomain:

The base domain of your cloud provider. The base domain is used to create routes to your OpenShift Container Platform cluster components. The full DNS name for your cluster is a combination of the baseDomain and metadata.name parameter values that uses the <metadata.name>.<baseDomain> format.

A fully-qualified domain or subdomain name, such as example.com.

metadata:

Kubernetes resource ObjectMeta, from which only the name parameter is consumed.

Object

metadata:
  name:

The name of the cluster. DNS records for the cluster are all subdomains of {{.metadata.name}}.{{.baseDomain}}.

String of lowercase letters, hyphens (-), and periods (.), such as dev. The string must be 14 characters or fewer long.

platform:

The configuration for the specific platform upon which to perform the installation: alibabacloud, aws, baremetal, azure, gcp, ibmcloud, nutanix, openstack, powervs, vsphere, or {}. For additional information about platform.<platform> parameters, consult the table for your specific platform that follows.

Object

pullSecret:

Get a pull secret from Red Hat OpenShift Cluster Manager to authenticate downloading container images for OpenShift Container Platform components from services such as Quay.io.

{
   "auths":{
      "cloud.openshift.com":{
         "auth":"b3Blb=",
         "email":"you@example.com"
      },
      "quay.io":{
         "auth":"b3Blb=",
         "email":"you@example.com"
      }
   }
}

networking:

The configuration for the cluster network.

Object

networking:
  networkType:

The Red Hat OpenShift Networking network plugin to install.

OVNKubernetes. OVNKubernetes is a CNI plugin for Linux networks and hybrid networks that contain both Linux and Windows servers. The default value is OVNKubernetes.

networking:
  clusterNetwork:

The IP address blocks for pods.

The default value is 10.128.0.0/14 with a host prefix of /23.

If you specify multiple IP address blocks, the blocks must not overlap.

An array of objects. For example:

networking:
  clusterNetwork:
  - cidr: 10.128.0.0/14
    hostPrefix: 23

networking:
  clusterNetwork:
    cidr:

Required if you use networking.clusterNetwork. An IP address block.

An IPv4 network.

An IP address block in Classless Inter-Domain Routing (CIDR) notation. The prefix length for an IPv4 block is between 0 and 32.

networking:
  clusterNetwork:
    hostPrefix:

The subnet prefix length to assign to each individual node. For example, if hostPrefix is set to 23 then each node is assigned a /23 subnet out of the given cidr. A hostPrefix value of 23 provides 510 (2^(32 - 23) - 2) pod IP addresses.

A subnet prefix.

The default value is 23.

networking:
  serviceNetwork:

The IP address block for services. The default value is 172.30.0.0/16.

The OVN-Kubernetes network plugins supports only a single IP address block for the service network.

An array with an IP address block in CIDR format. For example:

networking:
  serviceNetwork:
   - 172.30.0.0/16

networking:
  machineNetwork:

The IP address blocks for machines.

If you specify multiple IP address blocks, the blocks must not overlap.

An array of objects. For example:

networking:
  machineNetwork:
  - cidr: 10.0.0.0/16

networking:
  machineNetwork:
    cidr:

Required if you use networking.machineNetwork. An IP address block. The default value is 10.0.0.0/16 for all platforms other than libvirt and IBM Power® Virtual Server. For libvirt, the default value is 192.168.126.0/24. For IBM Power® Virtual Server, the default value is 192.168.0.0/24.

An IP network block in CIDR notation.

For example, 10.0.0.0/16.

additionalTrustBundle:

A PEM-encoded X.509 certificate bundle that is added to the nodes' trusted certificate store. This trust bundle may also be used when a proxy has been configured.

String

capabilities:

Controls the installation of optional core cluster components. You can reduce the footprint of your OpenShift Container Platform cluster by disabling optional components. For more information, see the "Cluster capabilities" page in Installing.

String array

capabilities:
  baselineCapabilitySet:

Selects an initial set of optional capabilities to enable. Valid values are None, v4.11, v4.12 and vCurrent. The default value is vCurrent.

String

capabilities:
  additionalEnabledCapabilities:

Extends the set of optional capabilities beyond what you specify in baselineCapabilitySet. You may specify multiple capabilities in this parameter.

String array

cpuPartitioningMode:

Enables workload partitioning, which isolates OpenShift Container Platform services, cluster management workloads, and infrastructure pods to run on a reserved set of CPUs. Workload partitioning can only be enabled during installation and cannot be disabled after installation. While this field enables workload partitioning, it does not configure workloads to use specific CPUs. For more information, see the Workload partitioning page in the Scalability and Performance section.

None or AllNodes. None is the default value.

compute:

The configuration for the machines that comprise the compute nodes.

Array of MachinePool objects.

compute:
  architecture:

Determines the instruction set architecture of the machines in the pool. Currently, clusters with varied architectures are not supported. All pools must specify the same architecture. Valid values are amd64 and arm64. Not all installation options support the 64-bit ARM architecture. To verify if your installation option is supported on your platform, see Supported installation methods for different platforms in Selecting a cluster installation method and preparing it for users.

String

compute:
  hyperthreading:

Whether to enable or disable simultaneous multithreading, or hyperthreading, on compute machines. By default, simultaneous multithreading is enabled to increase the performance of your machines' cores.

Enabled or Disabled

compute:
  name:

Required if you use compute. The name of the machine pool.

worker

compute:
  platform:

Required if you use compute. Use this parameter to specify the cloud provider to host the worker machines. This parameter value must match the controlPlane.platform parameter value.

alibabacloud, aws, azure, gcp, ibmcloud, nutanix, openstack, powervs, vsphere, or {}

compute:
  replicas:

The number of compute machines, which are also known as worker machines, to provision.

A positive integer greater than or equal to 2. The default value is 3.

featureSet:

Enables the cluster for a feature set. A feature set is a collection of OpenShift Container Platform features that are not enabled by default. For more information about enabling a feature set during installation, see "Enabling features using feature gates".

String. The name of the feature set to enable, such as TechPreviewNoUpgrade.

controlPlane:

The configuration for the machines that comprise the control plane.

Array of MachinePool objects.

controlPlane:
  architecture:

Determines the instruction set architecture of the machines in the pool. Currently, clusters with varied architectures are not supported. All pools must specify the same architecture. Valid values are amd64 and arm64. Not all installation options support the 64-bit ARM architecture. To verify if your installation option is supported on your platform, see Supported installation methods for different platforms in Selecting a cluster installation method and preparing it for users.

String

controlPlane:
  hyperthreading:

Whether to enable or disable simultaneous multithreading, or hyperthreading, on control plane machines. By default, simultaneous multithreading is enabled to increase the performance of your machines' cores.

Enabled or Disabled

controlPlane:
  name:

Required if you use controlPlane. The name of the machine pool.

master

controlPlane:
  platform:

Required if you use controlPlane. Use this parameter to specify the cloud provider that hosts the control plane machines. This parameter value must match the compute.platform parameter value.

alibabacloud, aws, azure, gcp, ibmcloud, nutanix, openstack, powervs, vsphere, or {}

controlPlane:
  replicas:

The number of control plane machines to provision.

Supported values are 3, or 1 when deploying single-node OpenShift.

credentialsMode:

The Cloud Credential Operator (CCO) mode. If no mode is specified, the CCO dynamically tries to determine the capabilities of the provided credentials, with a preference for mint mode on the platforms where multiple modes are supported.

Mint, Passthrough, Manual or an empty string (""). ^[1]

fips:

Enable or disable FIPS mode. The default is false (disabled). If FIPS mode is enabled, the Red Hat Enterprise Linux CoreOS (RHCOS) machines that OpenShift Container Platform runs on bypass the default Kubernetes cryptography suite and use the cryptography modules that are provided with RHCOS instead.

false or true

imageContentSources:

Sources and repositories for the release-image content.

Array of objects. Includes a source and, optionally, mirrors, as described in the following rows of this table.

imageContentSources:
  source:

Required if you use imageContentSources. Specify the repository that users refer to, for example, in image pull specifications.

String

imageContentSources:
  mirrors:

Specify one or more repositories that may also contain the same images.

Array of strings

platform:
  aws:
    lbType:

Required to set the NLB load balancer type in AWS. Valid values are Classic or NLB. If no value is specified, the installation program defaults to Classic. The installation program sets the value provided here in the ingress cluster configuration object. If you do not specify a load balancer type for other Ingress Controllers, they use the type set in this parameter.

Classic or NLB. The default value is Classic.

publish:

How to publish or expose the user-facing endpoints of your cluster, such as the Kubernetes API, OpenShift routes.

Internal or External. To deploy a private cluster, which cannot be accessed from the internet, set publish to Internal. The default value is External.

sshKey:

The SSH key to authenticate access to your cluster machines.

For example, sshKey: ssh-ed25519 AAAA...

compute:
  platform:
    aws:
      amiID:

The AWS AMI used to boot compute machines for the cluster. This is required for regions that require a custom RHCOS AMI.

Any published or custom RHCOS AMI that belongs to the set AWS region. See RHCOS AMIs for AWS infrastructure for available AMI IDs.

compute:
  platform:
    aws:
      iamRole:

A pre-existing AWS IAM role applied to the compute machine pool instance profiles. You can use these fields to match naming schemes and include predefined permissions boundaries for your IAM roles. If undefined, the installation program creates a new IAM role.

The name of a valid AWS IAM role.

compute:
  platform:
    aws:
      rootVolume:
        iops:

The Input/Output Operations Per Second (IOPS) that is reserved for the root volume.

Integer, for example 4000.

compute:
  platform:
    aws:
      rootVolume:
        size:

The size in GiB of the root volume.

Integer, for example 500.

compute:
  platform:
    aws:
      rootVolume:
        type:

The type of the root volume.

Valid AWS EBS volume type, such as io1.

compute:
  platform:
    aws:
      rootVolume:
        kmsKeyARN:

The Amazon Resource Name (key ARN) of a KMS key. This is required to encrypt operating system volumes of worker nodes with a specific KMS key.

Valid key ID or the key ARN.

compute:
  platform:
    aws:
      type:

The EC2 instance type for the compute machines.

Valid AWS instance type, such as m4.2xlarge. See the Supported AWS machine types table that follows.

compute:
  platform:
    aws:
      zones:

The availability zones where the installation program creates machines for the compute machine pool. If you provide your own VPC, you must provide a subnet in that availability zone.

A list of valid AWS availability zones, such as us-east-1c, in a YAML sequence.

compute:
  aws:
    region:

The AWS region that the installation program creates compute resources in.

Any valid AWS region, such as us-east-1. You can use the AWS CLI to access the regions available based on your selected instance type. For example:

aws ec2 describe-instance-type-offerings --filters Name=instance-type,Values=c7g.xlarge

controlPlane:
  platform:
    aws:
      amiID:

The AWS AMI used to boot control plane machines for the cluster. This is required for regions that require a custom RHCOS AMI.

Any published or custom RHCOS AMI that belongs to the set AWS region. See RHCOS AMIs for AWS infrastructure for available AMI IDs.

controlPlane:
  platform:
    aws:
      iamRole:

A pre-existing AWS IAM role applied to the control plane machine pool instance profiles. You can use these fields to match naming schemes and include predefined permissions boundaries for your IAM roles. If undefined, the installation program creates a new IAM role.

The name of a valid AWS IAM role.

controlPlane:
  platform:
    aws:
      rootVolume:
        iops:

The Input/Output Operations Per Second (IOPS) that is reserved for the root volume on control plane machines.

Integer, for example 4000.

controlPlane:
  platform:
    aws:
      rootVolume:
        size:

The size in GiB of the root volume for control plane machines.

Integer, for example 500.

controlPlane:
  platform:
    aws:
      rootVolume:
        type:

The type of the root volume for control plane machines.

Valid AWS EBS volume type, such as io1.

controlPlane:
  platform:
    aws:
      rootVolume:
        kmsKeyARN:

The Amazon Resource Name (key ARN) of a KMS key. This is required to encrypt operating system volumes of control plane nodes with a specific KMS key.

Valid key ID and the key ARN.

controlPlane:
  platform:
    aws:
      type:

The EC2 instance type for the control plane machines.

Valid AWS instance type, such as m6i.xlarge. See the Supported AWS machine types table that follows.

controlPlane:
  platform:
    aws:
      zones:

The availability zones where the installation program creates machines for the control plane machine pool.

A list of valid AWS availability zones, such as us-east-1c, in a YAML sequence.

controlPlane:
  aws:
    region:

The AWS region that the installation program creates control plane resources in.

Valid AWS region, such as us-east-1.

platform:
  aws:
    amiID:

The AWS AMI used to boot all machines for the cluster. If set, the AMI must belong to the same region as the cluster. This is required for regions that require a custom RHCOS AMI.

Any published or custom RHCOS AMI that belongs to the set AWS region. See RHCOS AMIs for AWS infrastructure for available AMI IDs.

platform:
  aws:
    hostedZone:

An existing Route 53 private hosted zone for the cluster. You can only use a pre-existing hosted zone when also supplying your own VPC. The hosted zone must already be associated with the user-provided VPC before installation. Also, the domain of the hosted zone must be the cluster domain or a parent of the cluster domain. If undefined, the installation program creates a new hosted zone.

String, for example Z3URY6TWQ91KVV.

platform:
  aws:
    hostedZoneRole:

An Amazon Resource Name (ARN) for an existing IAM role in the account containing the specified hosted zone. The installation program and cluster operators will assume this role when performing operations on the hosted zone. This parameter should only be used if you are installing a cluster into a shared VPC.

String, for example arn:aws:iam::1234567890:role/shared-vpc-role.

platform:
  aws:
    serviceEndpoints:
      - name:
        url:

The AWS service endpoint name and URL. Custom endpoints are only required for cases where alternative AWS endpoints, like FIPS, must be used. Custom API endpoints can be specified for EC2, S3, IAM, Elastic Load Balancing, Tagging, Route 53, and STS AWS services.

Valid AWS service endpoint name and valid AWS service endpoint URL.

platform:
  aws:
    userTags:

A map of keys and values that the installation program adds as tags to all resources that it creates.

Any valid YAML map, such as key value pairs in the <key>: <value> format. For more information about AWS tags, see Tagging Your Amazon EC2 Resources in the AWS documentation.

platform:
  aws:
    propagateUserTags:

A flag that directs in-cluster Operators to include the specified user tags in the tags of the AWS resources that the Operators create.

Boolean values, for example true or false.

platform:
  aws:
    subnets:

If you provide the VPC instead of allowing the installation program to create the VPC for you, specify the subnet for the cluster to use. The subnet must be part of the same machineNetwork[].cidr ranges that you specify.

For a standard cluster, specify a public and a private subnet for each availability zone.

For a private cluster, specify a private subnet for each availability zone.

For clusters that use AWS Local Zones, you must add AWS Local Zone subnets to this list to ensure edge machine pool creation.

Valid subnet IDs.

platform:
  aws:
    preserveBootstrapIgnition:

Prevents the S3 bucket from being deleted after completion of bootstrapping.

true or false. The default value is false, which results in the S3 bucket being deleted.

compute:
  platform:
    openstack:
      rootVolume:
        size:

For compute machines, the size in gigabytes of the root volume. If you do not set this value, machines use ephemeral storage.

Integer, for example 30.

compute:
  platform:
    openstack:
      rootVolume:
        types:

For compute machines, the root volume types.

A list of strings, for example, {performance-host1, performance-host2, performance-host3}. ^[1]

compute:
  platform:
    openstack:
      rootVolume:
        type:

For compute machines, the root volume’s type. This property is deprecated and is replaced by compute.platform.openstack.rootVolume.types.

String, for example, performance. ^[2]

compute:
  platform:
    openstack:
      rootVolume:
        zones:

For compute machines, the Cinder availability zone to install root volumes on. If you do not set a value for this parameter, the installation program selects the default availability zone. This parameter is mandatory when compute.platform.openstack.zones is defined.

A list of strings, for example ["zone-1", "zone-2"].

controlPlane:
  platform:
    openstack:
      rootVolume:
        size:

For control plane machines, the size in gigabytes of the root volume. If you do not set this value, machines use ephemeral storage.

Integer, for example 30.

controlPlane:
  platform:
    openstack:
      rootVolume:
        types:

For control plane machines, the root volume types.

A list of strings, for example, {performance-host1, performance-host2, performance-host3}. ^[1]

controlPlane:
  platform:
    openstack:
      rootVolume:
        type:

For control plane machines, the root volume’s type. This property is deprecated and is replaced by compute.platform.openstack.rootVolume.types.

String, for example, performance. ^[2]

controlPlane:
  platform:
    openstack:
      rootVolume:
        zones:

For control plane machines, the Cinder availability zone to install root volumes on. If you do not set this value, the installation program selects the default availability zone. This parameter is mandatory when controlPlane.platform.openstack.zones is defined.

A list of strings, for example ["zone-1", "zone-2"].

platform:
  openstack:
    cloud:

The name of the RHOSP cloud to use from the list of clouds in the clouds.yaml file.

In the cloud configuration in the clouds.yaml file, if possible, use application credentials rather than a user name and password combination. Using application credentials avoids disruptions from secret propogation that follow user name and password rotation.

String, for example MyCloud.

platform:
  openstack:
    externalNetwork:

The RHOSP external network name to be used for installation.

String, for example external.

platform:
  openstack:
    computeFlavor:

The RHOSP flavor to use for control plane and compute machines.

This property is deprecated. To use a flavor as the default for all machine pools, add it as the value of the type key in the platform.openstack.defaultMachinePlatform property. You can also set a flavor value for each machine pool individually.

String, for example m1.xlarge.

compute:
  platform:
    openstack:
      additionalNetworkIDs:

Additional networks that are associated with compute machines. Allowed address pairs are not created for additional networks.

A list of one or more UUIDs as strings. For example, fa806b2f-ac49-4bce-b9db-124bc64209bf.

compute:
  platform:
    openstack:
      additionalSecurityGroupIDs:

Additional security groups that are associated with compute machines.

A list of one or more UUIDs as strings. For example, 7ee219f3-d2e9-48a1-96c2-e7429f1b0da7.

compute:
  platform:
    openstack:
      zones:

RHOSP Compute (Nova) availability zones (AZs) to install machines on. If this parameter is not set, the installation program relies on the default settings for Nova that the RHOSP administrator configured.

A list of strings. For example, ["zone-1", "zone-2"].

compute:
  platform:
    openstack:
      serverGroupPolicy:

Server group policy to apply to the group that will contain the compute machines in the pool. You cannot change server group policies or affiliations after creation. Supported options include anti-affinity, soft-affinity, and soft-anti-affinity. The default value is soft-anti-affinity.

An affinity policy prevents migrations and therefore affects RHOSP upgrades. The affinity policy is not supported.

If you use a strict anti-affinity policy, an additional RHOSP host is required during instance migration.

A server group policy to apply to the machine pool. For example, soft-affinity.

controlPlane:
  platform:
    openstack:
      additionalNetworkIDs:

Additional networks that are associated with control plane machines. Allowed address pairs are not created for additional networks.

Additional networks that are attached to a control plane machine are also attached to the bootstrap node.

A list of one or more UUIDs as strings. For example, fa806b2f-ac49-4bce-b9db-124bc64209bf.

controlPlane:
  platform:
    openstack:
      additionalSecurityGroupIDs:

Additional security groups that are associated with control plane machines.

A list of one or more UUIDs as strings. For example, 7ee219f3-d2e9-48a1-96c2-e7429f1b0da7.

controlPlane:
  platform:
    openstack:
      zones:

RHOSP Compute (Nova) availability zones (AZs) to install machines on. If this parameter is not set, the installation program relies on the default settings for Nova that the RHOSP administrator configured.

A list of strings. For example, ["zone-1", "zone-2"].

controlPlane:
  platform:
    openstack:
      serverGroupPolicy:

Server group policy to apply to the group that will contain the control plane machines in the pool. You cannot change server group policies or affiliations after creation. Supported options include anti-affinity, soft-affinity, and soft-anti-affinity. The default value is soft-anti-affinity.

An affinity policy prevents migrations, and therefore affects RHOSP upgrades. The affinity policy is not supported.

If you use a strict anti-affinity policy, an additional RHOSP host is required during instance migration.

A server group policy to apply to the machine pool. For example, soft-affinity.

platform:
  openstack:
    clusterOSImage:

The location from which the installation program downloads the RHCOS image.

You must set this parameter to perform an installation in a restricted network.

An HTTP or HTTPS URL, optionally with an SHA-256 checksum.

For example, http://mirror.example.com/images/rhcos-43.81.201912131630.0-openstack.x86_64.qcow2.gz?sha256=ffebbd68e8a1f2a245ca19522c16c86f67f9ac8e4e0c1f0a812b068b16f7265d. The value can also be the name of an existing Glance image, for example my-rhcos.

platform:
  openstack:
    clusterOSImageProperties:

Properties to add to the installer-uploaded ClusterOSImage in Glance. This property is ignored if platform.openstack.clusterOSImage is set to an existing Glance image.

You can use this property to exceed the default persistent volume (PV) limit for RHOSP of 26 PVs per node. To exceed the limit, set the hw_scsi_model property value to virtio-scsi and the hw_disk_bus value to scsi.

You can also use this property to enable the QEMU guest agent by including the hw_qemu_guest_agent property with a value of yes.

A list of key-value string pairs. For example, ["hw_scsi_model": "virtio-scsi", "hw_disk_bus": "scsi"].

platform:
  openstack:
    defaultMachinePlatform:

The default machine pool platform configuration.

{
   "type": "ml.large",
   "rootVolume": {
      "size": 30,
      "type": "performance"
   }
}

platform:
  openstack:
    ingressFloatingIP:

An existing floating IP address to associate with the Ingress port. To use this property, you must also define the platform.openstack.externalNetwork property.

An IP address, for example 128.0.0.1.

platform:
  openstack:
    apiFloatingIP:

An existing floating IP address to associate with the API load balancer. To use this property, you must also define the platform.openstack.externalNetwork property.

An IP address, for example 128.0.0.1.

platform:
  openstack:
    externalDNS:

IP addresses for external DNS servers that cluster instances use for DNS resolution.

A list of IP addresses as strings. For example, ["8.8.8.8", "192.168.1.12"].

platform:
  openstack:
    loadbalancer:

Whether or not to use the default, internal load balancer. If the value is set to UserManaged, this default load balancer is disabled so that you can deploy a cluster that uses an external, user-managed load balancer. If the parameter is not set, or if the value is OpenShiftManagedDefault, the cluster uses the default load balancer.

UserManaged or OpenShiftManagedDefault.

platform:
  openstack:
    machinesSubnet:

The UUID of a RHOSP subnet that the cluster’s nodes use. Nodes and virtual IP (VIP) ports are created on this subnet.

The first item in networking.machineNetwork must match the value of machinesSubnet.

If you deploy to a custom subnet, you cannot specify an external DNS server to the OpenShift Container Platform installer. Instead, add DNS to the subnet in RHOSP.

A UUID as a string. For example, fa806b2f-ac49-4bce-b9db-124bc64209bf.

controlPlane:
  platform:
    gcp:
      osImage:
        project:

Optional. By default, the installation program downloads and installs the Red Hat Enterprise Linux CoreOS (RHCOS) image that is used to boot control plane machines. You can override the default behavior by specifying the location of a custom RHCOS image that the installation program is to use for control plane machines only.

String. The name of GCP project where the image is located.

controlPlane:
  platform:
    gcp:
      osImage:
        name:

The name of the custom RHCOS image that the installation program is to use to boot control plane machines. If you use controlPlane.platform.gcp.osImage.project, this field is required.

String. The name of the RHCOS image.

compute:
  platform:
    gcp:
      osImage:
        project:

Optional. By default, the installation program downloads and installs the RHCOS image that is used to boot compute machines. You can override the default behavior by specifying the location of a custom RHCOS image that the installation program is to use for compute machines only.

String. The name of GCP project where the image is located.

compute:
  platform:
    gcp:
      osImage:
        name:

The name of the custom RHCOS image that the installation program is to use to boot compute machines. If you use compute.platform.gcp.osImage.project, this field is required.

String. The name of the RHCOS image.

platform:
  gcp:
    network:

The name of the existing Virtual Private Cloud (VPC) where you want to deploy your cluster. If you want to deploy your cluster into a shared VPC, you must set platform.gcp.networkProjectID with the name of the GCP project that contains the shared VPC.

String.

platform:
  gcp:
    networkProjectID:

Optional. The name of the GCP project that contains the shared VPC where you want to deploy your cluster.

String.

platform:
  gcp:
    projectID:

The name of the GCP project where the installation program installs the cluster.

String.

platform:
  gcp:
    region:

The name of the GCP region that hosts your cluster.

Any valid region name, such as us-central1.

platform:
  gcp:
    controlPlaneSubnet:

The name of the existing subnet where you want to deploy your control plane machines.

The subnet name.

platform:
  gcp:
    computeSubnet:

The name of the existing subnet where you want to deploy your compute machines.

The subnet name.

platform:
  gcp:
    defaultMachinePlatform:
      zones:

The availability zones where the installation program creates machines.

A list of valid GCP availability zones, such as us-central1-a, in a YAML sequence.

platform:
  gcp:
    defaultMachinePlatform:
      osDisk:
        diskSizeGB:

The size of the disk in gigabytes (GB).

Any size between 16 GB and 65536 GB.

platform:
  gcp:
    defaultMachinePlatform:
      osDisk:
        diskType:

The GCP disk type.

The default disk type for all machines. Control plane nodes must use the pd-ssd disk type. Compute nodes can use the pd-ssd, pd-balanced, or pd-standard disk types.

platform:
  gcp:
    defaultMachinePlatform:
      osImage:
        project:

Optional. By default, the installation program downloads and installs the RHCOS image that is used to boot control plane and compute machines. You can override the default behavior by specifying the location of a custom RHCOS image that the installation program is to use for both types of machines.

String. The name of GCP project where the image is located.

platform:
  gcp:
    defaultMachinePlatform:
      osImage:
        name:

The name of the custom RHCOS image that the installation program is to use to boot control plane and compute machines. If you use platform.gcp.defaultMachinePlatform.osImage.project, this field is required.

String. The name of the RHCOS image.

platform:
  gcp:
    defaultMachinePlatform:
      tags:

Optional. Additional network tags to add to the control plane and compute machines.

One or more strings, for example network-tag1.

platform:
  gcp:
    defaultMachinePlatform:
      type:

The GCP machine type for control plane and compute machines.

The GCP machine type, for example n1-standard-4.

platform:
  gcp:
    defaultMachinePlatform:
      osDisk:
        encryptionKey:
          kmsKey:
            name:

The name of the customer managed encryption key to be used for machine disk encryption.

The encryption key name.

platform:
  gcp:
    defaultMachinePlatform:
      osDisk:
        encryptionKey:
          kmsKey:
            keyRing:

The name of the Key Management Service (KMS) key ring to which the KMS key belongs.

The KMS key ring name.

platform:
  gcp:
    defaultMachinePlatform:
      osDisk:
        encryptionKey:
          kmsKey:
            location:

The GCP location in which the KMS key ring exists.

The GCP location.

platform:
  gcp:
    defaultMachinePlatform:
      osDisk:
        encryptionKey:
          kmsKey:
            projectID:

The ID of the project in which the KMS key ring exists. This value defaults to the value of the platform.gcp.projectID parameter if it is not set.

The GCP project ID.

platform:
  gcp:
    defaultMachinePlatform:
      osDisk:
        encryptionKey:
          kmsKeyServiceAccount:

The GCP service account used for the encryption request for control plane and compute machines. If absent, the Compute Engine default service account is used. For more information about GCP service accounts, see Google’s documentation on service accounts.

The GCP service account email, for example <service_account_name>@<project_id>.iam.gserviceaccount.com.

platform:
  gcp:
    defaultMachinePlatform:
      secureBoot:

Whether to enable Shielded VM secure boot for all machines in the cluster. Shielded VMs have additional security protocols such as secure boot, firmware and integrity monitoring, and rootkit protection. For more information on Shielded VMs, see Google’s documentation on Shielded VMs.

Enabled or Disabled. The default value is Disabled.

platform:
  gcp:
    defaultMachinePlatform:
      confidentialCompute:

Whether to use Confidential VMs for all machines in the cluster. Confidential VMs provide encryption for data during processing. For more information on Confidential computing, see Google’s documentation on Confidential computing.

Enabled or Disabled. The default value is Disabled.

platform:
  gcp:
    defaultMachinePlatform:
      onHostMaintenance:

Specifies the behavior of all VMs during a host maintenance event, such as a software or hardware update. For Confidential VMs, this parameter must be set to Terminate. Confidential VMs do not support live VM migration.

Terminate or Migrate. The default value is Migrate.

controlPlane:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKey:
            name:

The name of the customer managed encryption key to be used for control plane machine disk encryption.

The encryption key name.

controlPlane:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKey:
            keyRing:

For control plane machines, the name of the KMS key ring to which the KMS key belongs.

The KMS key ring name.

controlPlane:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKey:
            location:

For control plane machines, the GCP location in which the key ring exists. For more information about KMS locations, see Google’s documentation on Cloud KMS locations.

The GCP location for the key ring.

controlPlane:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKey:
            projectID:

For control plane machines, the ID of the project in which the KMS key ring exists. This value defaults to the VM project ID if not set.

The GCP project ID.

controlPlane:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKeyServiceAccount:

The GCP service account used for the encryption request for control plane machines. If absent, the Compute Engine default service account is used. For more information about GCP service accounts, see Google’s documentation on service accounts.

The GCP service account email, for example <service_account_name>@<project_id>.iam.gserviceaccount.com.

controlPlane:
  platform:
    gcp:
      osDisk:
        diskSizeGB:

The size of the disk in gigabytes (GB). This value applies to control plane machines.

Any integer between 16 and 65536.

controlPlane:
  platform:
    gcp:
      osDisk:
        diskType:

The GCP disk type for control plane machines.

Control plane machines must use the pd-ssd disk type, which is the default.

controlPlane:
  platform:
    gcp:
      tags:

Optional. Additional network tags to add to the control plane machines. If set, this parameter overrides the platform.gcp.defaultMachinePlatform.tags parameter for control plane machines.

One or more strings, for example control-plane-tag1.

controlPlane:
  platform:
    gcp:
      type:

The GCP machine type for control plane machines. If set, this parameter overrides the platform.gcp.defaultMachinePlatform.type parameter.

The GCP machine type, for example n1-standard-4.

controlPlane:
  platform:
    gcp:
      zones:

The availability zones where the installation program creates control plane machines.

A list of valid GCP availability zones, such as us-central1-a, in a YAML sequence.

controlPlane:
  platform:
    gcp:
      secureBoot:

Whether to enable Shielded VM secure boot for control plane machines. Shielded VMs have additional security protocols such as secure boot, firmware and integrity monitoring, and rootkit protection. For more information on Shielded VMs, see Google’s documentation on Shielded VMs.

Enabled or Disabled. The default value is Disabled.

controlPlane:
  platform:
    gcp:
      confidentialCompute:

Whether to enable Confidential VMs for control plane machines. Confidential VMs provide encryption for data while it is being processed. For more information on Confidential VMs, see Google’s documentation on Confidential Computing.

Enabled or Disabled. The default value is Disabled.

controlPlane:
  platform:
    gcp:
      onHostMaintenance:

Specifies the behavior of control plane VMs during a host maintenance event, such as a software or hardware update. For Confidential VMs, this parameter must be set to Terminate. Confidential VMs do not support live VM migration.

Terminate or Migrate. The default value is Migrate.

compute:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKey:
            name:

The name of the customer managed encryption key to be used for compute machine disk encryption.

The encryption key name.

compute:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKey:
            keyRing:

For compute machines, the name of the KMS key ring to which the KMS key belongs.

The KMS key ring name.

compute:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKey:
            location:

For compute machines, the GCP location in which the key ring exists. For more information about KMS locations, see Google’s documentation on Cloud KMS locations.

The GCP location for the key ring.

compute:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKey:
            projectID:

For compute machines, the ID of the project in which the KMS key ring exists. This value defaults to the VM project ID if not set.

The GCP project ID.

compute:
  platform:
    gcp:
      osDisk:
        encryptionKey:
          kmsKeyServiceAccount:

The GCP service account used for the encryption request for compute machines. If this value is not set, the Compute Engine default service account is used. For more information about GCP service accounts, see Google’s documentation on service accounts.

The GCP service account email, for example <service_account_name>@<project_id>.iam.gserviceaccount.com.

compute:
  platform:
    gcp:
      osDisk:
        diskSizeGB:

The size of the disk in gigabytes (GB). This value applies to compute machines.

Any integer between 16 and 65536.

compute:
  platform:
    gcp:
      osDisk:
        diskType:

The GCP disk type for compute machines.

pd-ssd, pd-standard, or pd-balanced. The default is pd-ssd.

compute:
  platform:
    gcp:
      tags:

Optional. Additional network tags to add to the compute machines. If set, this parameter overrides the platform.gcp.defaultMachinePlatform.tags parameter for compute machines.

One or more strings, for example compute-network-tag1.

compute:
  platform:
    gcp:
      type:

The GCP machine type for compute machines. If set, this parameter overrides the platform.gcp.defaultMachinePlatform.type parameter.

The GCP machine type, for example n1-standard-4.

compute:
  platform:
    gcp:
      zones:

The availability zones where the installation program creates compute machines.

A list of valid GCP availability zones, such as us-central1-a, in a YAML sequence.

compute:
  platform:
    gcp:
      secureBoot:

Whether to enable Shielded VM secure boot for compute machines. Shielded VMs have additional security protocols such as secure boot, firmware and integrity monitoring, and rootkit protection. For more information on Shielded VMs, see Google’s documentation on Shielded VMs.

Enabled or Disabled. The default value is Disabled.

compute:
  platform:
    gcp:
      confidentialCompute:

Whether to enable Confidential VMs for compute machines. Confidential VMs provide encryption for data while it is being processed. For more information on Confidential VMs, see Google’s documentation on Confidential Computing.

Enabled or Disabled. The default value is Disabled.

compute:
  platform:
    gcp:
      onHostMaintenance:

Specifies the behavior of compute VMs during a host maintenance event, such as a software or hardware update. For Confidential VMs, this parameter must be set to Terminate. Confidential VMs do not support live VM migration.

Terminate or Migrate. The default value is Migrate.