org.keycloak.models.dblock.DBLockManager Maven / Gradle / Ivy
/*
* Copyright 2016 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.models.dblock;
import org.jboss.logging.Logger;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmProvider;
import org.keycloak.models.RealmProviderFactory;
/**
* @author Marek Posolda
*/
public class DBLockManager {
protected static final Logger logger = Logger.getLogger(DBLockManager.class);
private final KeycloakSession session;
public DBLockManager(KeycloakSession session) {
this.session = session;
}
public void checkForcedUnlock() {
if (Boolean.getBoolean("keycloak.dblock.forceUnlock")) {
DBLockProvider lock = getDBLock();
if (lock.supportsForcedUnlock()) {
logger.warn("Forced release of DB lock at startup requested by System property. Make sure to not use this in production environment! And especially when more cluster nodes are started concurrently.");
lock.releaseLock();
} else {
throw new IllegalStateException("Forced unlock requested, but provider " + lock + " doesn't support it");
}
}
}
// Try to detect ID from realmProvider
public DBLockProvider getDBLock() {
String realmProviderId = getRealmProviderId();
return session.getProvider(DBLockProvider.class, realmProviderId);
}
public DBLockProviderFactory getDBLockFactory() {
String realmProviderId = getRealmProviderId();
return (DBLockProviderFactory) session.getKeycloakSessionFactory().getProviderFactory(DBLockProvider.class, realmProviderId);
}
private String getRealmProviderId() {
RealmProviderFactory realmProviderFactory = (RealmProviderFactory) session.getKeycloakSessionFactory().getProviderFactory(RealmProvider.class);
return realmProviderFactory.getId();
}
}