Chapter 9. Assigning roles to hosts

Procedure

1. Go to the Host Discovery tab and scroll down to the Host Inventory table.

2. Select the Auto-assign drop-down for the required host.

   1. Select Control plane node to assign this host a control plane role.
   2. Select Worker to assign this host a worker role.
3. Check the validation status.

Procedure

1. Refresh the API token:

   $ source refresh-token

2. Get the host IDs:

   $ curl -s -X GET "https://api.openshift.com/api/assisted-install/v2/clusters/$CLUSTER_ID" \
   --header "Content-Type: application/json" \
     -H "Authorization: Bearer $API_TOKEN" \
   | jq '.host_networks[].host_ids'

   Example output

   [
     "1062663e-7989-8b2d-7fbb-e6f4d5bb28e5"
   ]

3. Modify the host_role setting:

   $ curl https://api.openshift.com/api/assisted-install/v2/infra-envs/${INFRA_ENV_ID}/hosts/<host_id> \
   -X PATCH \
   -H "Authorization: Bearer ${API_TOKEN}" \
   -H "Content-Type: application/json" \
   -d '
       {
         "host_role":"worker"
       }
   ' | jq

   Replace <host_id> with the ID of the host.