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Chapter 3. Red Hat build of Keycloak Realm Import

3.1. Importing a Red Hat build of Keycloak Realm
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Using the Red Hat build of Keycloak Operator, you can perform a realm import for the Keycloak Deployment.

Note
  • If a Realm with the same name already exists in Red Hat build of Keycloak, it will not be overwritten.
  • The Realm Import CR only supports creation of new realms and does not update or delete those. Changes to the realm performed directly on Red Hat build of Keycloak are not synced back in the CR.

3.1.1. Creating a Realm Import Custom Resource
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The following is an example of a Realm Import Custom Resource (CR): 

apiVersion: k8s.keycloak.org/v2alpha1
kind: KeycloakRealmImport
metadata:
  name: my-realm-kc
spec:
  keycloakCRName: <name of the keycloak CR>
  realm:
    ...
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This CR should be created in the same namespace as the Keycloak Deployment CR, defined in the field keycloakCRName. The realm field accepts a full RealmRepresentation.

The recommended way to obtain a RealmRepresentation is by leveraging the export functionality Importing and Exporting Realms.

  1. Export the Realm to a single file.
  2. Convert the JSON file to YAML.
  3. Copy and paste the obtained YAML file as body for the realm key, making sure the indentation is correct.

3.1.2. Applying the Realm Import CR
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Use oc to create the CR in the correct cluster namespace:

Create YAML file example-realm-import.yaml: 

apiVersion: k8s.keycloak.org/v2alpha1
kind: KeycloakRealmImport
metadata:
  name: my-realm-kc
spec:
  keycloakCRName: <name of the keycloak CR>
  realm:
    id: example-realm
    realm: example-realm
    displayName: ExampleRealm
    enabled: true
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Apply the changes: 

oc apply -f example-realm-import.yaml
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To check the status of the running import, enter the following command: 

oc get keycloakrealmimports/my-realm-kc -o go-template='{{range .status.conditions}}CONDITION: {{.type}}{{"\n"}}  STATUS: {{.status}}{{"\n"}}  MESSAGE: {{.message}}{{"\n"}}{{end}}'
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When the import has successfully completed, the output will look like the following example: 

CONDITION: Done
  STATUS: true
  MESSAGE:
CONDITION: Started
  STATUS: false
  MESSAGE:
CONDITION: HasErrors
  STATUS: false
  MESSAGE:
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