keycloak/operator/src/main/java/org/keycloak/operator/controllers/KeycloakDiscoveryService.java

93 lines
3.1 KiB
Java

/*
* Copyright 2021 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.operator.controllers;
import io.fabric8.kubernetes.api.model.HasMetadata;
import io.fabric8.kubernetes.api.model.Service;
import io.fabric8.kubernetes.api.model.ServiceBuilder;
import io.fabric8.kubernetes.api.model.ServiceSpec;
import io.fabric8.kubernetes.api.model.ServiceSpecBuilder;
import io.fabric8.kubernetes.client.KubernetesClient;
import org.keycloak.operator.Constants;
import org.keycloak.operator.crds.v2alpha1.deployment.Keycloak;
import org.keycloak.operator.crds.v2alpha1.deployment.KeycloakStatusBuilder;
import java.util.Optional;
public class KeycloakDiscoveryService extends OperatorManagedResource implements StatusUpdater<KeycloakStatusBuilder> {
private Service existingService;
public KeycloakDiscoveryService(KubernetesClient client, Keycloak keycloakCR) {
super(client, keycloakCR);
this.existingService = fetchExistingService();
}
private ServiceSpec getServiceSpec() {
return new ServiceSpecBuilder()
.addNewPort()
.withPort(Constants.KEYCLOAK_DISCOVERY_SERVICE_PORT)
.endPort()
.withSelector(Constants.DEFAULT_LABELS)
.withClusterIP("None")
.build();
}
@Override
protected Optional<HasMetadata> getReconciledResource() {
var service = fetchExistingService();
if (service == null) {
service = newService();
} else {
service.setSpec(getServiceSpec());
}
return Optional.of(service);
}
private Service newService() {
Service service = new ServiceBuilder()
.withNewMetadata()
.withName(getName())
.withNamespace(getNamespace())
.endMetadata()
.withSpec(getServiceSpec())
.build();
return service;
}
private Service fetchExistingService() {
return client
.services()
.inNamespace(getNamespace())
.withName(getName())
.get();
}
public void updateStatus(KeycloakStatusBuilder status) {
if (existingService == null) {
status.addNotReadyMessage("No existing Discovery Service found, waiting for creating a new one");
return;
}
}
@Override
public String getName() {
return cr.getMetadata().getName() + Constants.KEYCLOAK_DISCOVERY_SERVICE_SUFFIX;
}
}