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Installing the Red Hat OpenShift Service on AWS (ROSA) CLI, rosa

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After you configure your AWS account, install and configure the Red Hat OpenShift Service on AWS (ROSA) CLI, rosa.

AWS Security Token Service (STS) is the recommended credential mode for installing and interacting with clusters on Red Hat OpenShift Service on AWS (ROSA) because it provides enhanced security.
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Installing and configuring the ROSA CLI

Install and configure the Red Hat OpenShift Service on AWS (ROSA) CLI, rosa. You can also install the OpenShift CLI (oc) and verify if the required AWS resource quotas are available by using the ROSA CLI (rosa).

Prerequisites

  • Review and complete the AWS prerequisites and ROSA policies.

  • Create a Red Hat account, if you do not already have one. Then, check your email for a verification link. You will need these credentials to install ROSA.

  • Configure your AWS account and enable the ROSA service in your AWS account.

Procedure

  1. Install rosa, the Red Hat OpenShift Service on AWS command-line interface (CLI).

    1. Download the latest release of the ROSA CLI for your operating system.

    2. Optional: Rename the executable file you downloaded to rosa. This documentation uses rosa to refer to the executable file.

    3. Optional: Add rosa to your path.

      Example
      $ mv rosa /usr/local/bin/rosa

    4. Enter the following command to verify your installation:

      $ rosa
      Example output
      Command line tool for Red Hat OpenShift Service on AWS.
For further documentation visit https://access.redhat.com/documentation/en-us/red_hat_openshift_service_on_aws

Usage:
  rosa [command]

Available Commands:
  completion  Generates completion scripts
  create      Create a resource from stdin
  delete      Delete a specific resource
  describe    Show details of a specific resource
  download    Download necessary tools for using your cluster
  edit        Edit a specific resource
  grant       Grant role to a specific resource
  help        Help about any command
  init        Applies templates to support Red Hat OpenShift Service on AWS
  install     Installs a resource into a cluster
  link        Link a ocm/user role from stdin
  list        List all resources of a specific type
  login       Log in to your Red Hat account
  logout      Log out
  logs        Show installation or uninstallation logs for a cluster
  revoke      Revoke role from a specific resource
  uninstall   Uninstalls a resource from a cluster
  unlink      UnLink a ocm/user role from stdin
  upgrade     Upgrade a resource
  verify      Verify resources are configured correctly for cluster install
  version     Prints the version of the tool
  whoami      Displays user account information

Flags:
      --color string   Surround certain characters with escape sequences to display them in color on the terminal. Allowed options are [auto never always] (default "auto")
      --debug          Enable debug mode.
  -h, --help           help for rosa

Use "rosa [command] --help" for more information about a command.

    5. Optional: Generate the command completion scripts for the ROSA CLI. The following example generates the Bash completion scripts for a Linux machine:

      $ rosa completion bash | sudo tee /etc/bash_completion.d/rosa

    6. Optional: Enable command completion for the ROSA CLI from your existing terminal. The following example enables Bash completion for rosa in an existing terminal on a Linux machine:

      $ source /etc/bash_completion.d/rosa

  2. Log in to your Red Hat account with rosa.

    1. Enter the following command.

      $ rosa login

    2. Replace <my_offline_access_token> with your token.

      Example output
      To login to your Red Hat account, get an offline access token at https://console.redhat.com/openshift/token/rosa
? Copy the token and paste it here: <my-offline-access-token>
      Example output continued
      I: Logged in as 'rh-rosa-user' on 'https://api.openshift.com'

  3. Enter the following command to verify that your AWS account has the necessary permissions.

    $ rosa verify permissions
    Example output
    I: Validating SCP policies...
I: AWS SCP policies ok

    This command verifies permissions only for ROSA clusters that do not use the AWS Security Token Service (STS).

  4. Verify that your AWS account has the necessary quota to deploy an Red Hat OpenShift Service on AWS cluster.

    $ rosa verify quota --region=us-west-2
    Example output
    I: Validating AWS quota...
I: AWS quota ok

    Sometimes your AWS quota varies by region. If you receive any errors, try a different region.

    If you need to increase your quota, go to your AWS console, and request a quota increase for the service that failed.

    After both the permissions and quota checks pass, proceed to the next step.

  5. Prepare your AWS account for cluster deployment:

    1. Run the following command to verify your Red Hat and AWS credentials are setup correctly. Check that your AWS Account ID, Default Region and ARN match what you expect. You can safely ignore the rows beginning with OCM for now.

      $ rosa whoami
      Example output
      AWS Account ID:               000000000000
AWS Default Region:           us-east-2
AWS ARN:                      arn:aws:iam::000000000000:user/hello
OCM API:                      https://api.openshift.com
OCM Account ID:               1DzGIdIhqEWyt8UUXQhSoWaaaaa
OCM Account Name:             Your Name
OCM Account Username:         you@domain.com
OCM Account Email:            you@domain.com
OCM Organization ID:          1HopHfA2hcmhup5gCr2uH5aaaaa
OCM Organization Name:        Red Hat
OCM Organization External ID: 0000000

    2. Initialize your AWS account. This step runs a CloudFormation template that prepares your AWS account for cluster deployment and management. This step typically takes 1-2 minutes to complete.

      $ rosa init
      Example output
      I: Logged in as 'rh-rosa-user' on 'https://api.openshift.com'
I: Validating AWS credentials...
I: AWS credentials are valid!
I: Validating SCP policies...
I: AWS SCP policies ok
I: Validating AWS quota...
I: AWS quota ok
I: Ensuring cluster administrator user 'osdCcsAdmin'...
I: Admin user 'osdCcsAdmin' created successfully!
I: Verifying whether OpenShift command-line tool is available...
E: OpenShift command-line tool is not installed.
Run 'rosa download oc' to download the latest version, then add it to your PATH.

  6. Install the OpenShift CLI (oc) from the ROSA CLI.

    1. Enter this command to download the latest version of the oc CLI:

      $ rosa download oc

    2. After downloading the oc CLI, unzip it and add it to your path.

    3. Enter this command to verify that the oc CLI is installed correctly:

      $ rosa verify oc

After installing ROSA, you are ready to create a cluster.

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Next steps

Additional resources