// 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.resource;
import java.net.URI;
import java.net.URLDecoder;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import javax.ejb.Local;
import javax.inject.Inject;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.cloud.agent.AgentManager;
import com.cloud.agent.Listener;
import com.cloud.agent.api.AgentControlAnswer;
import com.cloud.agent.api.AgentControlCommand;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupRoutingCommand;
import com.cloud.agent.manager.MockAgentManager;
import com.cloud.agent.manager.MockStorageManager;
import com.cloud.dc.ClusterVO;
import com.cloud.dc.dao.ClusterDao;
import com.cloud.exception.ConnectionException;
import com.cloud.exception.DiscoveryException;
import com.cloud.host.Host;
import com.cloud.host.HostVO;
import com.cloud.host.Status;
import com.cloud.host.dao.HostDao;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.VMTemplateZoneVO;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.storage.dao.VMTemplateZoneDao;
@Local(value = Discoverer.class)
public class SimulatorDiscoverer extends DiscovererBase implements Discoverer, Listener, ResourceStateAdapter {
private static final Logger s_logger = Logger.getLogger(SimulatorDiscoverer.class);
@Inject
HostDao _hostDao;
@Inject
VMTemplateDao _vmTemplateDao;
@Inject
VMTemplateZoneDao _vmTemplateZoneDao;
@Inject
ClusterDao _clusterDao;
@Inject
AgentManager _agentMgr = null;
@Inject
MockAgentManager _mockAgentMgr = null;
@Inject
MockStorageManager _mockStorageMgr = null;
@Inject
ResourceManager _resourceMgr;
/**
* Finds ServerResources of an in-process simulator
*
* @see com.cloud.resource.Discoverer#find(long, java.lang.Long,
* java.lang.Long, java.net.URI, java.lang.String, java.lang.String)
*/
@Override
public Map<? extends ServerResource, Map<String, String>>
find(long dcId, Long podId, Long clusterId, URI uri, String username, String password, List<String> hostTags) throws DiscoveryException {
Map<AgentResourceBase, Map<String, String>> resources;
try {
//http://sim/count=$count, it will add $count number of hosts into the cluster
String scheme = uri.getScheme();
String host = uri.getAuthority();
String commands = URLDecoder.decode(uri.getPath());
long cpuSpeed = MockAgentManager.DEFAULT_HOST_SPEED_MHZ;
long cpuCores = MockAgentManager.DEFAULT_HOST_CPU_CORES;
long memory = MockAgentManager.DEFAULT_HOST_MEM_SIZE;
long localstorageSize = MockStorageManager.DEFAULT_HOST_STORAGE_SIZE;
if (scheme.equals("http")) {
if (host == null || !host.startsWith("sim")) {
String msg = "uri is not of simulator type so we're not taking care of the discovery for this: " + uri;
if (s_logger.isDebugEnabled()) {
s_logger.debug(msg);
}
return null;
}
if (commands != null) {
int index = commands.lastIndexOf("/");
if (index != -1) {
commands = commands.substring(index + 1);
String[] cmds = commands.split("&");
for (String cmd : cmds) {
String[] parameter = cmd.split("=");
if (parameter[0].equalsIgnoreCase("cpuspeed") && parameter[1] != null) {
cpuSpeed = Long.parseLong(parameter[1]);
} else if (parameter[0].equalsIgnoreCase("cpucore") && parameter[1] != null) {
cpuCores = Long.parseLong(parameter[1]);
} else if (parameter[0].equalsIgnoreCase("memory") && parameter[1] != null) {
memory = Long.parseLong(parameter[1]);
} else if (parameter[0].equalsIgnoreCase("localstorage") && parameter[1] != null) {
localstorageSize = Long.parseLong(parameter[1]);
}
}
}
}
} else {
String msg = "uriString is not http so we're not taking care of the discovery for this: " + uri;
if (s_logger.isDebugEnabled()) {
s_logger.debug(msg);
}
return null;
}
String cluster = null;
if (clusterId == null) {
String msg = "must specify cluster Id when adding host";
if (s_logger.isDebugEnabled()) {
s_logger.debug(msg);
}
throw new RuntimeException(msg);
} else {
ClusterVO clu = _clusterDao.findById(clusterId);
if (clu == null || (clu.getHypervisorType() != HypervisorType.Simulator)) {
if (s_logger.isInfoEnabled())
s_logger.info("invalid cluster id or cluster is not for Simulator hypervisors");
return null;
}
cluster = Long.toString(clusterId);
if (clu.getGuid() == null) {
clu.setGuid(UUID.randomUUID().toString());
}
_clusterDao.update(clusterId, clu);
}
String pod;
if (podId == null) {
String msg = "must specify pod Id when adding host";
if (s_logger.isDebugEnabled()) {
s_logger.debug(msg);
}
throw new RuntimeException(msg);
} else {
pod = Long.toString(podId);
}
Map<String, String> details = new HashMap<String, String>();
Map<String, Object> params = new HashMap<String, Object>();
details.put("username", username);
params.put("username", username);
details.put("password", password);
params.put("password", password);
params.put("zone", Long.toString(dcId));
params.put("pod", pod);
params.put("cluster", cluster);
params.put("cpuspeed", Long.toString(cpuSpeed));
params.put("cpucore", Long.toString(cpuCores));
params.put("memory", Long.toString(memory));
params.put("localstorage", Long.toString(localstorageSize));
resources = createAgentResources(params);
return resources;
} catch (Exception ex) {
s_logger.error("Exception when discovering simulator hosts: " + ex.getMessage());
}
return null;
}
private Map<AgentResourceBase, Map<String, String>> createAgentResources(Map<String, Object> params) {
try {
s_logger.info("Creating Simulator Resources");
return _mockAgentMgr.createServerResources(params);
} catch (Exception ex) {
s_logger.warn("Caught exception at agent resource creation: " + ex.getMessage(), ex);
}
return null;
}
@Override
public void postDiscovery(List<HostVO> hosts, long msId) {
for (HostVO h : hosts) {
associateTemplatesToZone(h.getId(), h.getDataCenterId());
}
}
private void associateTemplatesToZone(long hostId, long dcId) {
VMTemplateZoneVO tmpltZone;
List<VMTemplateVO> allTemplates = _vmTemplateDao.listAll();
for (VMTemplateVO vt : allTemplates) {
if (vt.isCrossZones()) {
tmpltZone = _vmTemplateZoneDao.findByZoneTemplate(dcId, vt.getId());
if (tmpltZone == null) {
VMTemplateZoneVO vmTemplateZone = new VMTemplateZoneVO(dcId, vt.getId(), new Date());
_vmTemplateZoneDao.persist(vmTemplateZone);
}
}
}
}
@Override
public HypervisorType getHypervisorType() {
return HypervisorType.Simulator;
}
@Override
public boolean matchHypervisor(String hypervisor) {
return hypervisor.equalsIgnoreCase(HypervisorType.Simulator.toString());
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
super.configure(name, params);
_agentMgr.registerForHostEvents(this, true, false, false);
_resourceMgr.registerResourceStateAdapter(this.getClass().getSimpleName(), this);
return true;
}
@Override
public boolean processAnswers(long agentId, long seq, Answer[] answers) {
return false;
}
@Override
public boolean processCommands(long agentId, long seq, Command[] commands) {
return false;
}
@Override
public AgentControlAnswer processControlCommand(long agentId, AgentControlCommand cmd) {
return null;
}
@Override
public void processConnect(Host host, StartupCommand cmd, boolean forRebalance) throws ConnectionException {
/*if(forRebalance)
return;
if ( Host.Type.SecondaryStorage == host.getType() ) {
List<VMTemplateVO> tmplts = _vmTemplateDao.listAll();
for( VMTemplateVO tmplt : tmplts ) {
VMTemplateHostVO vmTemplateHost = _vmTemplateHostDao.findByHostTemplate(host.getId(), tmplt.getId());
if (vmTemplateHost == null) {
vmTemplateHost = new VMTemplateHostVO(host.getId(), tmplt.getId(), new Date(), 100,
com.cloud.storage.VMTemplateStorageResourceAssoc.Status.DOWNLOADED, null, null, null, null, tmplt.getUrl());
_vmTemplateHostDao.persist(vmTemplateHost);
} else {
vmTemplateHost.setDownloadState(com.cloud.storage.VMTemplateStorageResourceAssoc.Status.DOWNLOADED);
vmTemplateHost.setDownloadPercent(100);
_vmTemplateHostDao.update(vmTemplateHost.getId(), vmTemplateHost);
}
}
}*/
}
@Override
public boolean processDisconnect(long agentId, Status state) {
return false;
}
@Override
public boolean isRecurring() {
return false;
}
@Override
public int getTimeout() {
return 0;
}
@Override
public boolean processTimeout(long agentId, long seq) {
return false;
}
@Override
public HostVO createHostVOForConnectedAgent(HostVO host, StartupCommand[] cmd) {
return null;
}
@Override
public HostVO createHostVOForDirectConnectAgent(HostVO host, StartupCommand[] startup, ServerResource resource, Map<String, String> details, List<String> hostTags) {
StartupCommand firstCmd = startup[0];
if (!(firstCmd instanceof StartupRoutingCommand)) {
return null;
}
StartupRoutingCommand ssCmd = ((StartupRoutingCommand)firstCmd);
if (ssCmd.getHypervisorType() != HypervisorType.Simulator) {
return null;
}
return _resourceMgr.fillRoutingHostVO(host, ssCmd, HypervisorType.Simulator, details, hostTags);
}
@Override
public DeleteHostAnswer deleteHost(HostVO host, boolean isForced, boolean isForceDeleteStorage) throws UnableDeleteHostException {
return null;
}
@Override
public boolean stop() {
_resourceMgr.unregisterResourceStateAdapter(this.getClass().getSimpleName());
return super.stop();
}
}