| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.ambari.server; |
| |
| import java.util.List; |
| |
| import org.apache.ambari.server.orm.dao.HostVersionDAO; |
| import org.apache.ambari.server.orm.dao.ServiceComponentDesiredStateDAO; |
| import org.apache.ambari.server.orm.entities.HostVersionEntity; |
| import org.apache.ambari.server.orm.entities.ServiceComponentDesiredStateEntity; |
| import org.apache.ambari.server.state.RepositoryVersionState; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.inject.Inject; |
| |
| /** |
| * Is executed on server start. |
| * Checks server state and recovers it to valid if required. |
| */ |
| public class StateRecoveryManager { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(StateRecoveryManager.class); |
| |
| @Inject |
| private HostVersionDAO hostVersionDAO; |
| |
| @Inject |
| private ServiceComponentDesiredStateDAO serviceComponentDAO; |
| |
| public void doWork() { |
| checkHostAndClusterVersions(); |
| } |
| |
| void checkHostAndClusterVersions() { |
| List<HostVersionEntity> hostVersions = hostVersionDAO.findAll(); |
| for (HostVersionEntity hostVersion : hostVersions) { |
| if (hostVersion.getState().equals(RepositoryVersionState.INSTALLING)) { |
| hostVersion.setState(RepositoryVersionState.INSTALL_FAILED); |
| String msg = String.format( |
| "Recovered state of host version %s on host %s from %s to %s", |
| hostVersion.getRepositoryVersion().getDisplayName(), |
| hostVersion.getHostName(), |
| RepositoryVersionState.INSTALLING, |
| RepositoryVersionState.INSTALL_FAILED); |
| LOG.warn(msg); |
| hostVersionDAO.merge(hostVersion); |
| } |
| } |
| |
| List<ServiceComponentDesiredStateEntity> components = serviceComponentDAO.findAll(); |
| for (ServiceComponentDesiredStateEntity component : components) { |
| if (RepositoryVersionState.INSTALLING == component.getRepositoryState()) { |
| component.setRepositoryState(RepositoryVersionState.INSTALL_FAILED); |
| serviceComponentDAO.merge(component); |
| String msg = String.format( |
| "Recovered state of cluster %s of component %s/%s for version %s from %s to %s", |
| component.getClusterId(), |
| component.getServiceName(), |
| component.getComponentName(), |
| component.getDesiredRepositoryVersion().getDisplayName(), |
| RepositoryVersionState.INSTALLING, |
| RepositoryVersionState.INSTALL_FAILED); |
| LOG.warn(msg); |
| } |
| } |
| } |
| |
| |
| } |