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Generating an init bundle for Kubernetes secured clusters - Setting up RHACS Cloud Service with Kubernetes secured clusters | RHACS Cloud Service | Red Hat Advanced Cluster Security for Kubernetes 4.4
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Generating an init bundle for Kubernetes secured clusters

Before you install the SecuredCluster resource on a cluster, you must create an init bundle. The cluster that has SecuredCluster installed and configured then uses this bundle to authenticate with the ACS Console. You can create an init bundle by using either the RHACS portal or the roxctl CLI. You then apply the init bundle by using it to create resources.

Generating an init bundle by using the RHACS portal

You can create an init bundle containing secrets by using the RHACS portal.

You must have the Admin user role to create an init bundle.
Procedure

  1. Find the address of the RHACS portal as described in "Verifying Central installation using the Operator method".

  2. Log in to the RHACS portal.

  3. If you do not have secured clusters, the Platform Configuration → Clusters page appears.

  4. Click Create init bundle.

  5. Enter a name for the cluster init bundle.

  6. Select your platform.

  7. Select the installation method you will use for your secured clusters: Operator or helm chart.

  8. Click Download to generate and download the init bundle, which is created in the form of a YAML file. You can use one init bundle and its corresponding YAML file for all secured clusters if you are using the same installation method.

    Store this bundle securely because it contains secrets.

  9. Apply the init bundle by using it to create resources on the secured cluster.

  10. Install secured cluster services on each cluster.

Generating an init bundle by using the roxctl CLI

You can create an init bundle with secrets by using the roxctl CLI.

You must have the Admin user role to create init bundles.
Prerequisites

  • You have configured the ROX_API_TOKEN and the ROX_CENTRAL_ADDRESS environment variables:

    1. Set the ROX_API_TOKEN by running the following command:

      $ export ROX_API_TOKEN=<api_token>

    2. Set the ROX_CENTRAL_ADDRESS environment variable by running the following command:

      $ export ROX_CENTRAL_ADDRESS=<address>:<port_number>

In RHACS Cloud Service, when using roxctl commands that require the Central address, use the Central instance address as displayed in the Instance Details section of the Red Hat Hybrid Cloud Console. For example, use acs-ABCD12345.acs.rhcloud.com instead of acs-data-ABCD12345.acs.rhcloud.com.
Procedure

  • To generate a cluster init bundle containing secrets for helm installations, run the following command:

    $ roxctl -e "$ROX_CENTRAL_ADDRESS" \
  central init-bundles generate <cluster_init_bundle_name> \
  --output cluster_init_bundle.yaml

  • To generate a cluster init bundle containing secrets for Operator installations, run the following command:

    $ roxctl -e "$ROX_CENTRAL_ADDRESS" \
  central init-bundles generate <cluster_init_bundle_name> \
  --output-secrets cluster_init_bundle.yaml

    Ensure that you store this bundle securely because it contains secrets. You can use the same bundle to set up multiple secured clusters.

Next steps