// 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 com.cloud.storage.resource;
import java.util.HashMap;
import java.util.Map;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.CheckHealthAnswer;
import com.cloud.agent.api.CheckHealthCommand;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.ComputeChecksumCommand;
import com.cloud.agent.api.PingCommand;
import com.cloud.agent.api.PingStorageCommand;
import com.cloud.agent.api.ReadyAnswer;
import com.cloud.agent.api.ReadyCommand;
import com.cloud.agent.api.SecStorageSetupCommand;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupStorageCommand;
import com.cloud.agent.api.storage.ListTemplateAnswer;
import com.cloud.agent.api.storage.ListTemplateCommand;
import com.cloud.agent.api.storage.ssCommand;
import com.cloud.agent.api.storage.DownloadCommand;
import com.cloud.agent.api.storage.DownloadProgressCommand;
import com.cloud.host.Host;
import com.cloud.host.Host.Type;
import com.cloud.resource.ServerResourceBase;
import com.cloud.storage.Storage;
import com.cloud.storage.Storage.StoragePoolType;
import com.cloud.storage.StorageLayer;
import com.cloud.storage.template.DownloadManager;
import com.cloud.storage.template.DownloadManagerImpl;
import com.cloud.storage.template.TemplateInfo;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.exception.CloudRuntimeException;
public class LocalSecondaryStorageResource extends ServerResourceBase implements SecondaryStorageResource {
private static final Logger s_logger = Logger.getLogger(LocalSecondaryStorageResource.class);
int _timeout;
String _instance;
String _parent;
String _dc;
String _pod;
String _guid;
StorageLayer _storage;
DownloadManager _dlMgr;
@Override
public void disconnected() {
}
@Override
public String getRootDir(ssCommand cmd){
return getRootDir();
}
public String getRootDir() {
return _parent;
}
@Override
public Answer executeRequest(Command cmd) {
if (cmd instanceof DownloadProgressCommand) {
return _dlMgr.handleDownloadCommand(this, (DownloadProgressCommand)cmd);
} else if (cmd instanceof DownloadCommand) {
return _dlMgr.handleDownloadCommand(this, (DownloadCommand)cmd);
} else if (cmd instanceof CheckHealthCommand) {
return new CheckHealthAnswer((CheckHealthCommand)cmd, true);
} else if (cmd instanceof SecStorageSetupCommand){
return new Answer(cmd, true, "success");
} else if (cmd instanceof ReadyCommand) {
return new ReadyAnswer((ReadyCommand)cmd);
} else if (cmd instanceof ListTemplateCommand){
return execute((ListTemplateCommand)cmd);
} else if (cmd instanceof ComputeChecksumCommand){
return execute((ComputeChecksumCommand)cmd);
} else {
return Answer.createUnsupportedCommandAnswer(cmd);
}
}
private Answer execute(ComputeChecksumCommand cmd) {
return new Answer(cmd, false, null);
}
private Answer execute(ListTemplateCommand cmd) {
String root = getRootDir();
Map<String, TemplateInfo> templateInfos = _dlMgr.gatherTemplateInfo(root);
return new ListTemplateAnswer(cmd.getSecUrl(), templateInfos);
}
@Override
public Type getType() {
return Host.Type.LocalSecondaryStorage;
}
@Override
public PingCommand getCurrentStatus(final long id) {
return new PingStorageCommand(Host.Type.Storage, id, new HashMap<String, Boolean>());
}
@Override
@SuppressWarnings("unchecked")
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
super.configure(name, params);
_guid = (String)params.get("guid");
if (_guid == null) {
throw new ConfigurationException("Unable to find the guid");
}
_dc = (String)params.get("zone");
if (_dc == null) {
throw new ConfigurationException("Unable to find the zone");
}
_pod = (String)params.get("pod");
_instance = (String)params.get("instance");
_parent = (String)params.get("mount.path");
if (_parent == null) {
throw new ConfigurationException("No directory specified.");
}
_storage = (StorageLayer)params.get(StorageLayer.InstanceConfigKey);
if (_storage == null) {
String value = (String)params.get(StorageLayer.ClassConfigKey);
if (value == null) {
value = "com.cloud.storage.JavaStorageLayer";
}
try {
Class<StorageLayer> clazz = (Class<StorageLayer>)Class.forName(value);
_storage = ComponentLocator.inject(clazz);
} catch (ClassNotFoundException e) {
throw new ConfigurationException("Unable to find class " + value);
}
}
if (!_storage.mkdirs(_parent)) {
s_logger.warn("Unable to create the directory " + _parent);
throw new ConfigurationException("Unable to create the directory " + _parent);
}
s_logger.info("Mount point established at " + _parent);
params.put("template.parent", _parent);
params.put(StorageLayer.InstanceConfigKey, _storage);
_dlMgr = new DownloadManagerImpl();
_dlMgr.configure("DownloadManager", params);
return true;
}
@Override
public boolean start() {
return true;
}
@Override
public boolean stop() {
return true;
}
@Override
public StartupCommand[] initialize() {
final StartupStorageCommand cmd = new StartupStorageCommand(_parent, StoragePoolType.Filesystem, 1024l*1024l*1024l*1024l, _dlMgr.gatherTemplateInfo(_parent));
cmd.setResourceType(Storage.StorageResourceType.LOCAL_SECONDARY_STORAGE);
cmd.setIqn("local://");
fillNetworkInformation(cmd);
cmd.setDataCenter(_dc);
cmd.setPod(_pod);
cmd.setGuid(_guid);
cmd.setName(_guid);
cmd.setVersion(LocalSecondaryStorageResource.class.getPackage().getImplementationVersion());
return new StartupCommand [] {cmd};
}
@Override
protected String getDefaultScriptsDir() {
return "scripts/storage/secondary";
}
}