// 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.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.CheckVirtualMachineAnswer;
import com.cloud.agent.api.CheckVirtualMachineCommand;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.HostVmStateReportEntry;
import com.cloud.agent.api.PingCommand;
import com.cloud.agent.api.PingRoutingWithNwGroupsCommand;
import com.cloud.agent.api.ReadyAnswer;
import com.cloud.agent.api.ReadyCommand;
import com.cloud.agent.api.ShutdownCommand;
import com.cloud.agent.api.StartAnswer;
import com.cloud.agent.api.StartCommand;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupRoutingCommand;
import com.cloud.agent.api.StartupStorageCommand;
import com.cloud.agent.api.StopAnswer;
import com.cloud.agent.api.StopCommand;
import com.cloud.agent.api.StoragePoolInfo;
import com.cloud.agent.api.to.VirtualMachineTO;
import com.cloud.agent.manager.SimulatorManager;
import com.cloud.agent.manager.SimulatorManager.AgentType;
import com.cloud.host.Host;
import com.cloud.host.Host.Type;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.network.Networks.RouterPrivateIpStrategy;
import com.cloud.simulator.MockVMVO;
import com.cloud.storage.Storage.StorageResourceType;
import com.cloud.storage.template.TemplateProp;
import com.cloud.utils.Pair;
import com.cloud.vm.VirtualMachine.PowerState;
import com.cloud.vm.VirtualMachine.State;
public class AgentRoutingResource extends AgentStorageResource {
private static final Logger s_logger = Logger.getLogger(AgentRoutingResource.class);
protected Map<String, State> _vms = new HashMap<String, State>();
private Map<String, Pair<Long, Long>> _runningVms = new HashMap<String, Pair<Long, Long>>();
long usedCpu = 0;
long usedMem = 0;
long totalCpu;
long totalMem;
protected String _mountParent;
public AgentRoutingResource(long instanceId, AgentType agentType, SimulatorManager simMgr, String hostGuid) {
super(instanceId, agentType, simMgr, hostGuid);
}
public AgentRoutingResource() {
setType(Host.Type.Routing);
}
@Override
public Answer executeRequestInContext(Command cmd) {
try {
if (cmd instanceof StartCommand) {
return execute((StartCommand)cmd);
} else if (cmd instanceof StopCommand) {
return execute((StopCommand)cmd);
} else if (cmd instanceof CheckVirtualMachineCommand) {
return execute((CheckVirtualMachineCommand)cmd);
} else if (cmd instanceof ReadyCommand) {
return new ReadyAnswer((ReadyCommand)cmd);
} else if (cmd instanceof ShutdownCommand) {
return execute((ShutdownCommand)cmd);
} else {
return _simMgr.simulate(cmd, hostGuid);
}
} catch (IllegalArgumentException e) {
return new Answer(cmd, false, e.getMessage());
}
}
@Override
public Type getType() {
return Host.Type.Routing;
}
@Override
public PingCommand getCurrentStatus(long id) {
if (isStopped()) {
return null;
}
synchronized (_vms) {
if (_vms.size() == 0) {
//load vms state from database
_vms.putAll(_simMgr.getVmStates(hostGuid));
}
}
final HashMap<String, State> newStates = sync();
HashMap<String, Pair<Long, Long>> nwGrpStates = _simMgr.syncNetworkGroups(hostGuid);
return new PingRoutingWithNwGroupsCommand(getType(), id, newStates, getHostVmStateReport(), nwGrpStates);
}
@Override
public StartupCommand[] initialize() {
synchronized (_vms) {
_vms.clear();
}
Map<String, State> changes = _simMgr.getVmStates(this.hostGuid);
Map<String, MockVMVO> vmsMaps = _simMgr.getVms(this.hostGuid);
totalCpu = agentHost.getCpuCount() * agentHost.getCpuSpeed();
totalMem = agentHost.getMemorySize();
for (Map.Entry<String, MockVMVO> entry : vmsMaps.entrySet()) {
MockVMVO vm = entry.getValue();
usedCpu += vm.getCpu();
usedMem += vm.getMemory();
_runningVms.put(entry.getKey(), new Pair<Long, Long>(Long.valueOf(vm.getCpu()), vm.getMemory()));
}
List<Object> info = getHostInfo();
StartupRoutingCommand cmd =
new StartupRoutingCommand((Integer)info.get(0), (Long)info.get(1), (Long)info.get(2), (Long)info.get(4), (String)info.get(3), HypervisorType.Simulator,
RouterPrivateIpStrategy.HostLocal);
cmd.setStateChanges(changes);
Map<String, String> hostDetails = new HashMap<String, String>();
hostDetails.put(RouterPrivateIpStrategy.class.getCanonicalName(), RouterPrivateIpStrategy.DcGlobal.toString());
cmd.setHostDetails(hostDetails);
cmd.setAgentTag("agent-simulator");
cmd.setPrivateIpAddress(agentHost.getPrivateIpAddress());
cmd.setPrivateNetmask(agentHost.getPrivateNetMask());
cmd.setPrivateMacAddress(agentHost.getPrivateMacAddress());
cmd.setStorageIpAddress(agentHost.getStorageIpAddress());
cmd.setStorageNetmask(agentHost.getStorageNetMask());
cmd.setStorageMacAddress(agentHost.getStorageMacAddress());
cmd.setStorageIpAddressDeux(agentHost.getStorageIpAddress());
cmd.setStorageNetmaskDeux(agentHost.getStorageNetMask());
cmd.setStorageMacAddressDeux(agentHost.getStorageIpAddress());
cmd.setName(agentHost.getName());
cmd.setGuid(agentHost.getGuid());
cmd.setVersion(agentHost.getVersion());
cmd.setAgentTag("agent-simulator");
cmd.setDataCenter(String.valueOf(agentHost.getDataCenterId()));
cmd.setPod(String.valueOf(agentHost.getPodId()));
cmd.setCluster(String.valueOf(agentHost.getClusterId()));
StartupStorageCommand ssCmd = initializeLocalSR();
return new StartupCommand[] {cmd, ssCmd};
}
private StartupStorageCommand initializeLocalSR() {
Map<String, TemplateProp> tInfo = new HashMap<String, TemplateProp>();
StoragePoolInfo poolInfo = _simMgr.getLocalStorage(hostGuid);
StartupStorageCommand cmd = new StartupStorageCommand(poolInfo.getHostPath(), poolInfo.getPoolType(), poolInfo.getCapacityBytes(), tInfo);
cmd.setPoolInfo(poolInfo);
cmd.setGuid(agentHost.getGuid());
cmd.setResourceType(StorageResourceType.STORAGE_POOL);
return cmd;
}
protected synchronized Answer execute(StartCommand cmd) throws IllegalArgumentException {
VirtualMachineTO vmSpec = cmd.getVirtualMachine();
String vmName = vmSpec.getName();
if (this.totalCpu < (vmSpec.getCpus() * vmSpec.getMaxSpeed() + this.usedCpu) || this.totalMem < (vmSpec.getMaxRam() + this.usedMem)) {
return new StartAnswer(cmd, "Not enough resource to start the vm");
}
State state = State.Stopped;
synchronized (_vms) {
_vms.put(vmName, State.Starting);
}
try {
Answer result = _simMgr.simulate(cmd, hostGuid);
if (!result.getResult()) {
return new StartAnswer(cmd, result.getDetails());
}
this.usedCpu += vmSpec.getCpus() * vmSpec.getMaxSpeed();
this.usedMem += vmSpec.getMaxRam();
_runningVms.put(vmName, new Pair<Long, Long>(Long.valueOf(vmSpec.getCpus() * vmSpec.getMaxSpeed()), vmSpec.getMaxRam()));
state = State.Running;
} finally {
synchronized (_vms) {
_vms.put(vmName, state);
}
}
return new StartAnswer(cmd);
}
protected synchronized StopAnswer execute(StopCommand cmd) {
StopAnswer answer = null;
String vmName = cmd.getVmName();
State state = null;
synchronized (_vms) {
state = _vms.get(vmName);
_vms.put(vmName, State.Stopping);
}
try {
Answer result = _simMgr.simulate(cmd, hostGuid);
if (!result.getResult()) {
return new StopAnswer(cmd, result.getDetails(), false);
}
answer = new StopAnswer(cmd, null, true);
Pair<Long, Long> data = _runningVms.get(vmName);
if (data != null) {
this.usedCpu -= data.first();
this.usedMem -= data.second();
}
state = State.Stopped;
} finally {
synchronized (_vms) {
_vms.put(vmName, state);
}
}
return answer;
}
protected CheckVirtualMachineAnswer execute(final CheckVirtualMachineCommand cmd) {
final String vmName = cmd.getVmName();
CheckVirtualMachineAnswer result = (CheckVirtualMachineAnswer)_simMgr.simulate(cmd, hostGuid);
State state = result.getState();
if (state == State.Running) {
synchronized (_vms) {
_vms.put(vmName, State.Running);
}
}
return result;
}
protected List<Object> getHostInfo() {
ArrayList<Object> info = new ArrayList<Object>();
long speed = agentHost.getCpuSpeed();
long cpus = agentHost.getCpuCount();
long ram = agentHost.getMemorySize();
long dom0Ram = agentHost.getMemorySize() / 10;
info.add((int)cpus);
info.add(speed);
info.add(ram);
info.add(agentHost.getCapabilities());
info.add(dom0Ram);
return info;
}
protected HashMap<String, HostVmStateReportEntry> getHostVmStateReport() {
HashMap<String, HostVmStateReportEntry> report = new HashMap<String, HostVmStateReportEntry>();
for (String vmName : _runningVms.keySet()) {
report.put(vmName, new HostVmStateReportEntry(PowerState.PowerOn, agentHost.getName()));
}
return report;
}
protected HashMap<String, State> sync() {
Map<String, State> newStates;
Map<String, State> oldStates = null;
HashMap<String, State> changes = new HashMap<String, State>();
synchronized (_vms) {
oldStates = new HashMap<String, State>(_vms.size());
oldStates.putAll(_vms);
newStates = new HashMap<String, State>(_vms.size());
newStates.putAll(_vms);
for (Map.Entry<String, State> entry : newStates.entrySet()) {
String vm = entry.getKey();
State newState = entry.getValue();
State oldState = oldStates.remove(vm);
if (s_logger.isTraceEnabled()) {
s_logger.trace("VM " + vm + ": has state " + newState + " and we have state " + (oldState != null ? oldState.toString() : "null"));
}
if (oldState == null) {
_vms.put(vm, newState);
changes.put(vm, newState);
} else if (oldState == State.Starting) {
if (newState == State.Running) {
_vms.put(vm, newState);
} else if (newState == State.Stopped) {
s_logger.debug("Ignoring vm " + vm + " because of a lag in starting the vm.");
}
} else if (oldState == State.Stopping) {
if (newState == State.Stopped) {
_vms.put(vm, newState);
} else if (newState == State.Running) {
s_logger.debug("Ignoring vm " + vm + " because of a lag in stopping the vm. ");
}
} else if (oldState != newState) {
_vms.put(vm, newState);
changes.put(vm, newState);
}
}
for (Map.Entry<String, State> entry : oldStates.entrySet()) {
String vm = entry.getKey();
State oldState = entry.getValue();
if (s_logger.isTraceEnabled()) {
s_logger.trace("VM " + vm + " is now missing from simulator agent so reporting stopped");
}
if (oldState == State.Stopping) {
s_logger.debug("Ignoring VM " + vm + " in transition state stopping.");
_vms.remove(vm);
} else if (oldState == State.Starting) {
s_logger.debug("Ignoring VM " + vm + " in transition state starting.");
} else if (oldState == State.Stopped) {
_vms.remove(vm);
} else {
changes.put(entry.getKey(), State.Stopped);
}
}
}
return changes;
}
private Answer execute(ShutdownCommand cmd) {
this.stopped = true;
return new Answer(cmd);
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
if (!super.configure(name, params)) {
s_logger.warn("Base class was unable to configure");
return false;
}
return true;
}
}