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Copy file name to clipboardExpand all lines: modules/rosa-create-objects.adoc
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[id="rosa-create-objects_{context}"]
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= Create objects
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[NOTE]
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====
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To create a Hosted Control Plane cluster, include the '--hosted-cp' flag where necessary.
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====
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This section describes the `create` commands for clusters and resources.
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[id="rosa-create-account-roles_{context}"]
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|--min-replicas <number_of_nodes>
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|Specifies the minimum number of compute nodes when enabling autoscaling. Default: `2`
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ifdef::openshift-rosa[]
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//this is being deprecated and will eventually be removed entirely.
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|--multi-az
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|Deploys to multiple data centers.
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endif::openshift-rosa[]
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|--no-cni
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|Creates a cluster without a Container Network Interface (CNI) plugin. Customers can then bring their own CNI plugin and install it after cluster creation.
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|--private
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|Restricts primary API endpoint and application routes to direct, private connectivity.
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//To be added when available for HCP only.
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//ifdef::openshift-rosa-hcp[]
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//To allow public subnets on a private API cluster, you can use both the `--private` and `--private-ingress=false` arguments.
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//endif::openshift-rosa-hcp[]
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ifdef::openshift-rosa[]
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|--private-link
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|Specifies to use AWS PrivateLink to provide private connectivity between VPCs and services. The `--subnet-ids` argument is required when using `--private-link`.
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endif::openshift-rosa[]
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|--region <region_name>
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|The name of the AWS region where your worker pool will be located, for example, `us-east-1`. This argument overrides the `AWS_REGION` environment variable.
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OVN-Kubernetes, the default network provider in ROSA 4.11 and later, uses the `100.64.0.0/16` IP address range internally. If your cluster uses OVN-Kubernetes, do not include the `100.64.0.0/16` IP address range in any other CIDR definitions in your cluster.
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====
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ifdef::openshift-rosa[]
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a|--sts \| --non-sts
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|Specifies whether to use AWS Security Token Service (STS) or IAM credentials (non-STS) to deploy your cluster.
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endif::openshift-rosa[]
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ifdef::openshift-rosa-hcp[]
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|--sts
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|Specifies the use of AWS Security Token Service (STS) credentials to deploy your cluster.
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endif::openshift-rosa-hcp[]
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ifdef::openshift-rosa[]
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|--subnet-ids <aws_subnet_id>
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|The AWS subnet IDs that are used when installing the cluster, for example, `subnet-01abc234d5678ef9a`. Subnet IDs must be in pairs with one private subnet ID and one public subnet ID per availability zone. Subnets are comma-delimited, for example, `--subnet-ids=subnet-1,subnet-2`. Leave the value empty for installer-provisioned subnet IDs.
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When using `--private-link`, the `--subnet-ids` argument is required and only one private subnet is allowed per zone.
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endif::openshift-rosa[]
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ifdef::openshift-rosa-hcp[]
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|--subnet-ids <aws_subnet_id>
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|The AWS subnet IDs that are used when installing the cluster, for example, `subnet-01abc234d5678ef9a`. Subnet IDs must be in pairs with one private subnet ID and one public subnet ID per availability zone. Subnets are comma-delimited, for example, `--subnet-ids=subnet-1,subnet-2`. Leave the value empty for installer-provisioned subnet IDs.
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When using `--private` for "private API", the `--subnet-ids` argument is required and only one private subnet is allowed per zone.
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//To be added when available
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//To allow public subnets on a private API cluster, you can use both the `--private` and `--private-ingress=false` arguments.
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endif::openshift-rosa-hcp[]
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|--support-role-arn string
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|The ARN of the role used by Red Hat Site Reliability Engineers (SREs) to enable access to the cluster account to provide support.
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Add a machine pool to an existing cluster.
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ifdef::openshift-rosa-hcp[]
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[TIP]
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====
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Machine pool is also referred to as node pool on hosted control plane clusters.
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