// 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.agent.manager;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.ejb.Local;
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.CleanupNetworkRulesCmd;
import com.cloud.agent.api.GetDomRVersionAnswer;
import com.cloud.agent.api.GetDomRVersionCmd;
import com.cloud.agent.api.GetVmStatsAnswer;
import com.cloud.agent.api.GetVmStatsCommand;
import com.cloud.agent.api.GetVncPortAnswer;
import com.cloud.agent.api.GetVncPortCommand;
import com.cloud.agent.api.MigrateAnswer;
import com.cloud.agent.api.MigrateCommand;
import com.cloud.agent.api.NetworkUsageAnswer;
import com.cloud.agent.api.NetworkUsageCommand;
import com.cloud.agent.api.RebootAnswer;
import com.cloud.agent.api.RebootCommand;
import com.cloud.agent.api.SecurityGroupRuleAnswer;
import com.cloud.agent.api.SecurityGroupRulesCmd;
import com.cloud.agent.api.StartAnswer;
import com.cloud.agent.api.StartCommand;
import com.cloud.agent.api.StopAnswer;
import com.cloud.agent.api.StopCommand;
import com.cloud.agent.api.VmStatsEntry;
import com.cloud.agent.api.check.CheckSshAnswer;
import com.cloud.agent.api.check.CheckSshCommand;
import com.cloud.agent.api.proxy.CheckConsoleProxyLoadCommand;
import com.cloud.agent.api.proxy.WatchConsoleProxyLoadCommand;
import com.cloud.agent.api.routing.DhcpEntryCommand;
import com.cloud.agent.api.routing.IpAssocCommand;
import com.cloud.agent.api.routing.LoadBalancerConfigCommand;
import com.cloud.agent.api.routing.SavePasswordCommand;
import com.cloud.agent.api.routing.SetFirewallRulesCommand;
import com.cloud.agent.api.routing.SetPortForwardingRulesCommand;
import com.cloud.agent.api.routing.SetStaticNatRulesCommand;
import com.cloud.agent.api.routing.VmDataCommand;
import com.cloud.agent.api.to.NicTO;
import com.cloud.agent.api.to.VirtualMachineTO;
import com.cloud.network.Networks.TrafficType;
import com.cloud.simulator.MockHost;
import com.cloud.simulator.MockSecurityRulesVO;
import com.cloud.simulator.MockVMVO;
import com.cloud.simulator.MockVm;
import com.cloud.simulator.dao.MockHostDao;
import com.cloud.simulator.dao.MockSecurityRulesDao;
import com.cloud.simulator.dao.MockVMDao;
import com.cloud.utils.Pair;
import com.cloud.utils.Ternary;
import com.cloud.utils.component.Inject;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.vm.VirtualMachine.State;
@Local(value = { MockVmManager.class })
public class MockVmManagerImpl implements MockVmManager {
private static final Logger s_logger = Logger.getLogger(MockVmManagerImpl.class);
@Inject MockVMDao _mockVmDao = null;
@Inject MockAgentManager _mockAgentMgr = null;
@Inject MockHostDao _mockHostDao = null;
@Inject MockSecurityRulesDao _mockSecurityDao = null;
private Map<String, Map<String, Ternary<String, Long, Long>>> _securityRules = new ConcurrentHashMap<String, Map<String, Ternary<String, Long, Long>>>();
public MockVmManagerImpl() {
}
@Override
public boolean configure(String name, Map<String, Object> params)
throws ConfigurationException {
return true;
}
public String startVM(String vmName, NicTO[] nics,
int cpuHz, long ramSize,
String bootArgs, String hostGuid) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
MockHost host = null;
MockVm vm = null;
try {
txn.start();
host = _mockHostDao.findByGuid(hostGuid);
if (host == null) {
return "can't find host";
}
vm = _mockVmDao.findByVmName(vmName);
txn.commit();
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("Unable to start VM " + vmName, ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
if(vm == null) {
int vncPort = 0;
if(vncPort < 0)
return "Unable to allocate VNC port";
vm = new MockVMVO();
vm.setCpu(cpuHz);
vm.setMemory(ramSize);
vm.setState(State.Running);
vm.setName(vmName);
vm.setVncPort(vncPort);
vm.setHostId(host.getId());
if(vmName.startsWith("s-")) {
vm.setType("SecondaryStorageVm");
} else if (vmName.startsWith("v-")) {
vm.setType("ConsoleProxy");
} else if (vmName.startsWith("r-")) {
vm.setType("DomainRouter");
} else if (vmName.startsWith("i-")) {
vm.setType("User");
}
txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
vm = _mockVmDao.persist((MockVMVO) vm);
txn.commit();
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to save vm to db " + vm.getName(), ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
} else {
if(vm.getState() == State.Stopped) {
vm.setState(State.Running);
txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
_mockVmDao.update(vm.getId(), (MockVMVO)vm);
txn.commit();
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to update vm " + vm.getName(), ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
}
}
if (vm.getState() == State.Running && vmName.startsWith("s-")) {
String prvIp = null;
String prvMac = null;
String prvNetMask = null;
for (NicTO nic : nics) {
if (nic.getType() == TrafficType.Management) {
prvIp = nic.getIp();
prvMac = nic.getMac();
prvNetMask = nic.getNetmask();
}
}
long dcId = 0;
long podId = 0;
String name = null;
String vmType = null;
String url = null;
String[] args = bootArgs.trim().split(" ");
for (String arg : args) {
String[] params = arg.split("=");
if (params.length < 1) {
continue;
}
if (params[0].equalsIgnoreCase("zone")) {
dcId = Long.parseLong(params[1]);
} else if (params[0].equalsIgnoreCase("name")) {
name = params[1];
} else if (params[0].equalsIgnoreCase("type")) {
vmType = params[1];
} else if (params[0].equalsIgnoreCase("url")) {
url = params[1];
} else if (params[0].equalsIgnoreCase("pod")) {
podId = Long.parseLong(params[1]);
}
}
_mockAgentMgr.handleSystemVMStart(vm.getId(), prvIp, prvMac, prvNetMask, dcId, podId, name, vmType, url);
}
return null;
}
public boolean rebootVM(String vmName) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
MockVm vm = _mockVmDao.findByVmName(vmName);
if (vm != null) {
vm.setState(State.Running);
_mockVmDao.update(vm.getId(), (MockVMVO) vm);
}
txn.commit();
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to reboot vm " + vmName, ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
return true;
}
@Override
public Map<String, MockVMVO> getVms(String hostGuid) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
List<MockVMVO> vms = _mockVmDao.findByHostGuid(hostGuid);
Map<String, MockVMVO> vmMap = new HashMap<String, MockVMVO>();
for (MockVMVO vm : vms) {
vmMap.put(vm.getName(), vm);
}
txn.commit();
return vmMap;
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to fetch vms from host " + hostGuid, ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
}
@Override
public Map<String, State> getVmStates(String hostGuid) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
Map<String, State> states = new HashMap<String, State>();
List<MockVMVO> vms = _mockVmDao.findByHostGuid(hostGuid);
if (vms.isEmpty()) {
txn.commit();
return states;
}
for (MockVm vm : vms) {
states.put(vm.getName(), vm.getState());
}
txn.commit();
return states;
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to fetch vms from host " + hostGuid, ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
}
@Override
public boolean start() {
return true;
}
@Override
public boolean stop() {
return true;
}
@Override
public String getName() {
return this.getClass().getSimpleName();
}
@Override
public Answer getVmStats(GetVmStatsCommand cmd) {
HashMap<String, VmStatsEntry> vmStatsNameMap = new HashMap<String, VmStatsEntry>();
List<String> vmNames = cmd.getVmNames();
for (String vmName : vmNames) {
VmStatsEntry entry = new VmStatsEntry(0, 0, 0, 0, "vm");
entry.setNetworkReadKBs(32768); // default values 256 KBps
entry.setNetworkWriteKBs(16384);
entry.setCPUUtilization(10);
entry.setNumCPUs(1);
vmStatsNameMap.put(vmName, entry);
}
return new GetVmStatsAnswer(cmd, vmStatsNameMap);
}
@Override
public CheckVirtualMachineAnswer checkVmState(CheckVirtualMachineCommand cmd) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
MockVMVO vm = _mockVmDao.findByVmName(cmd.getVmName());
if (vm == null) {
return new CheckVirtualMachineAnswer(cmd, "can't find vm:" + cmd.getVmName());
}
txn.commit();
return new CheckVirtualMachineAnswer(cmd, vm.getState(), vm.getVncPort());
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to fetch vm state " + cmd.getVmName(), ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
}
@Override
public Answer startVM(StartCommand cmd, SimulatorInfo info) {
VirtualMachineTO vm = cmd.getVirtualMachine();
String result = startVM(vm.getName(), vm.getNics(), vm.getCpus()* vm.getSpeed(), vm.getMaxRam(), vm.getBootArgs(), info.getHostUuid());
if (result != null) {
return new StartAnswer(cmd, result);
} else {
return new StartAnswer(cmd);
}
}
@Override
public CheckSshAnswer checkSshCommand(CheckSshCommand cmd) {
return new CheckSshAnswer(cmd);
}
@Override
public Answer SetStaticNatRules(SetStaticNatRulesCommand cmd) {
return new Answer(cmd);
}
@Override
public Answer SetPortForwardingRules(SetPortForwardingRulesCommand cmd) {
return new Answer(cmd);
}
@Override
public Answer SetFirewallRules(SetFirewallRulesCommand cmd) {
return new Answer(cmd);
}
@Override
public NetworkUsageAnswer getNetworkUsage(NetworkUsageCommand cmd) {
return new NetworkUsageAnswer(cmd, null, 100L, 100L);
}
@Override
public MigrateAnswer Migrate(MigrateCommand cmd, SimulatorInfo info) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
String vmName = cmd.getVmName();
String destGuid = cmd.getHostGuid();
MockVMVO vm = _mockVmDao.findByVmNameAndHost(vmName, info.getHostUuid());
if (vm == null) {
return new MigrateAnswer(cmd, false, "can;t find vm:" + vmName + " on host:" + info.getHostUuid(), null);
}
MockHost destHost = _mockHostDao.findByGuid(destGuid);
if (destHost == null) {
return new MigrateAnswer(cmd, false, "can;t find host:" + info.getHostUuid(), null);
}
vm.setHostId(destHost.getId());
_mockVmDao.update(vm.getId(), vm);
txn.commit();
return new MigrateAnswer(cmd, true, null, 0);
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to migrate vm " + cmd.getVmName(), ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
}
@Override
public Answer IpAssoc(IpAssocCommand cmd) {
return new Answer(cmd);
}
@Override
public Answer LoadBalancerConfig(LoadBalancerConfigCommand cmd) {
return new Answer(cmd);
}
@Override
public Answer AddDhcpEntry(DhcpEntryCommand cmd) {
return new Answer(cmd);
}
@Override
public Answer setVmData(VmDataCommand cmd) {
return new Answer(cmd);
}
@Override
public Answer CleanupNetworkRules(CleanupNetworkRulesCmd cmd, SimulatorInfo info) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
List<MockSecurityRulesVO> rules = _mockSecurityDao.findByHost(info.getHostUuid());
for (MockSecurityRulesVO rule : rules) {
MockVMVO vm = _mockVmDao.findByVmNameAndHost(rule.getVmName(), info.getHostUuid());
if (vm == null) {
_mockSecurityDao.remove(rule.getId());
}
}
txn.commit();
return new Answer(cmd);
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to clean up rules", ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
}
@Override
public Answer stopVM(StopCommand cmd) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
String vmName = cmd.getVmName();
MockVm vm = _mockVmDao.findByVmName(vmName);
if (vm != null) {
vm.setState(State.Stopped);
_mockVmDao.update(vm.getId(), (MockVMVO) vm);
}
if (vmName.startsWith("s-")) {
_mockAgentMgr.handleSystemVMStop(vm.getId());
}
txn.commit();
return new StopAnswer(cmd, null, new Integer(0), true);
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to stop vm " + cmd.getVmName(), ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
}
@Override
public Answer rebootVM(RebootCommand cmd) {
Transaction txn = Transaction.open(Transaction.SIMULATOR_DB);
try {
txn.start();
MockVm vm = _mockVmDao.findByVmName(cmd.getVmName());
if (vm != null) {
vm.setState(State.Running);
_mockVmDao.update(vm.getId(), (MockVMVO) vm);
}
txn.commit();
return new RebootAnswer(cmd, "Rebooted " + cmd.getVmName(), true);
} catch (Exception ex) {
txn.rollback();
throw new CloudRuntimeException("unable to stop vm " + cmd.getVmName(), ex);
} finally {
txn.close();
txn = Transaction.open(Transaction.CLOUD_DB);
txn.close();
}
}
@Override
public Answer getVncPort(GetVncPortCommand cmd) {
return new GetVncPortAnswer(cmd, 0);
}
@Override
public Answer CheckConsoleProxyLoad(CheckConsoleProxyLoadCommand cmd) {
return Answer.createUnsupportedCommandAnswer(cmd);
}
@Override
public Answer WatchConsoleProxyLoad(WatchConsoleProxyLoadCommand cmd) {
return Answer.createUnsupportedCommandAnswer(cmd);
}
@Override
public GetDomRVersionAnswer getDomRVersion(GetDomRVersionCmd cmd) {
return new GetDomRVersionAnswer(cmd, null, null, null);
}
@Override
public SecurityGroupRuleAnswer AddSecurityGroupRules(SecurityGroupRulesCmd cmd, SimulatorInfo info) {
if (!info.isEnabled()) {
return new SecurityGroupRuleAnswer(cmd, false, "Disabled", SecurityGroupRuleAnswer.FailureReason.CANNOT_BRIDGE_FIREWALL);
}
Map<String, Ternary<String,Long, Long>> rules = _securityRules.get(info.getHostUuid());
if (rules == null) {
logSecurityGroupAction(cmd, null);
rules = new ConcurrentHashMap<String, Ternary<String, Long, Long>>();
rules.put(cmd.getVmName(), new Ternary<String,Long, Long>(cmd.getSignature(), cmd.getVmId(), cmd.getSeqNum()));
_securityRules.put(info.getHostUuid(), rules);
} else {
logSecurityGroupAction(cmd, rules.get(cmd.getVmName()));
rules.put(cmd.getVmName(), new Ternary<String, Long,Long>(cmd.getSignature(), cmd.getVmId(), cmd.getSeqNum()));
}
return new SecurityGroupRuleAnswer(cmd);
}
private boolean logSecurityGroupAction(SecurityGroupRulesCmd cmd, Ternary<String,Long, Long> rule) {
String action = ", do nothing";
String reason = ", reason=";
Long currSeqnum = rule == null? null: rule.third();
String currSig = rule == null? null: rule.first();
boolean updateSeqnoAndSig = false;
if (currSeqnum != null) {
if (cmd.getSeqNum() > currSeqnum) {
s_logger.info("New seqno received: " + cmd.getSeqNum() + " curr=" + currSeqnum);
updateSeqnoAndSig = true;
if (!cmd.getSignature().equals(currSig)) {
s_logger.info("New seqno received: " + cmd.getSeqNum() + " curr=" + currSeqnum
+ " new signature received:" + cmd.getSignature() + " curr=" + currSig + ", updated iptables");
action = ", updated iptables";
reason = reason + "seqno_increased_sig_changed";
} else {
s_logger.info("New seqno received: " + cmd.getSeqNum() + " curr=" + currSeqnum
+ " no change in signature:" + cmd.getSignature() + ", do nothing");
reason = reason + "seqno_increased_sig_same";
}
} else if (cmd.getSeqNum() < currSeqnum) {
s_logger.info("Older seqno received: " + cmd.getSeqNum() + " curr=" + currSeqnum + ", do nothing");
reason = reason + "seqno_decreased";
} else {
if (!cmd.getSignature().equals(currSig)) {
s_logger.info("Identical seqno received: " + cmd.getSeqNum()
+ " new signature received:" + cmd.getSignature() + " curr=" + currSig + ", updated iptables");
action = ", updated iptables";
reason = reason + "seqno_same_sig_changed";
updateSeqnoAndSig = true;
} else {
s_logger.info("Identical seqno received: " + cmd.getSeqNum() + " curr=" + currSeqnum
+ " no change in signature:" + cmd.getSignature() + ", do nothing");
reason = reason + "seqno_same_sig_same";
}
}
} else {
s_logger.info("New seqno received: " + cmd.getSeqNum() + " old=null");
updateSeqnoAndSig = true;
action = ", updated iptables";
reason = ", seqno_new";
}
s_logger.info("Programmed network rules for vm " + cmd.getVmName() + " seqno=" + cmd.getSeqNum()
+ " signature=" + cmd.getSignature()
+ " guestIp=" + cmd.getGuestIp() + ", numIngressRules="
+ cmd.getIngressRuleSet().length + ", numEgressRules="
+ cmd.getEgressRuleSet().length + " total cidrs=" + cmd.getTotalNumCidrs() + action + reason);
return updateSeqnoAndSig;
}
@Override
public Answer SavePassword(SavePasswordCommand cmd) {
return new Answer(cmd);
}
@Override
public HashMap<String, Pair<Long, Long>> syncNetworkGroups(SimulatorInfo info) {
HashMap<String, Pair<Long, Long>> maps = new HashMap<String, Pair<Long, Long>>();
Map<String, Ternary<String, Long, Long>> rules = _securityRules.get(info.getHostUuid());
if (rules == null) {
return maps;
}
for (Map.Entry<String,Ternary<String, Long, Long>> rule : rules.entrySet()) {
maps.put(rule.getKey(), new Pair<Long, Long>(rule.getValue().second(), rule.getValue().third()));
}
return maps;
}
}