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bug 14454: simulator: add limitation on how many vms can be created on a host. status 14454: resolved fixed; Reviewed-by: sangeetha

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This commit is contained in:
Edison Su 2012-03-23 19:20:03 -07:00
parent 1e4893b69c
commit 56dd6e81ac
6 changed files with 67 additions and 3 deletions
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3
agent-simulator/src/com/cloud/agent/manager/MockVmManager.java
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@ -5,6 +5,7 @@
package com.cloud.agent.manager;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.cloud.agent.api.Answer;
@ -33,6 +34,7 @@ import com.cloud.agent.api.routing.SavePasswordCommand;
import com.cloud.agent.api.routing.SetPortForwardingRulesCommand;
import com.cloud.agent.api.routing.SetStaticNatRulesCommand;
import com.cloud.agent.api.routing.VmDataCommand;
import com.cloud.simulator.MockVMVO;
import com.cloud.utils.Pair;
import com.cloud.utils.component.Manager;
import com.cloud.vm.VirtualMachine.State;
@ -73,5 +75,6 @@ public interface MockVmManager extends Manager {
SecurityGroupRuleAnswer AddSecurityGroupRules(SecurityGroupRulesCmd cmd, SimulatorInfo info);
MigrateAnswer Migrate(MigrateCommand cmd, SimulatorInfo info);
GetDomRVersionAnswer getDomRVersion(GetDomRVersionCmd cmd);
Map<String, MockVMVO> getVms(String hostGuid);
}

10
agent-simulator/src/com/cloud/agent/manager/MockVmManagerImpl.java
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@ -173,6 +173,16 @@ public class MockVmManagerImpl implements MockVmManager {
return true;
}
@Override
public Map<String, MockVMVO> getVms(String hostGuid) {
List<MockVMVO> vms = _mockVmDao.findByHostGuid(hostGuid);
Map<String, MockVMVO> vmMap = new HashMap<String, MockVMVO>();
for (MockVMVO vm : vms) {
vmMap.put(vm.getName(), vm);
}
return vmMap;
}
@Override
public Map<String, State> getVmStates(String hostGuid) {
Map<String, State> states = new HashMap<String, State>();

5
agent-simulator/src/com/cloud/agent/manager/SimulatorManager.java
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@ -20,11 +20,14 @@
package com.cloud.agent.manager;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.StoragePoolInfo;
import com.cloud.agent.mockvm.MockVm;
import com.cloud.simulator.MockVMVO;
import com.cloud.utils.Pair;
import com.cloud.utils.component.Manager;
import com.cloud.vm.VirtualMachine.State;
@ -61,4 +64,6 @@ public interface SimulatorManager extends Manager {
public HashMap<String, Pair<Long, Long>> syncNetworkGroups(String hostGuid);
Map<String, State> getVmStates(String hostGuid);
Map<String, MockVMVO> getVms(String hostGuid);
}

15
agent-simulator/src/com/cloud/agent/manager/SimulatorManagerImpl.java
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@ -3,6 +3,7 @@ package com.cloud.agent.manager;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ejb.Local;
@ -62,8 +63,10 @@ import com.cloud.agent.api.storage.DownloadCommand;
import com.cloud.agent.api.storage.DownloadProgressCommand;
import com.cloud.agent.api.storage.ListTemplateCommand;
import com.cloud.agent.api.storage.PrimaryStorageDownloadCommand;
import com.cloud.agent.mockvm.MockVm;
import com.cloud.simulator.MockConfigurationVO;
import com.cloud.simulator.MockHost;
import com.cloud.simulator.MockVMVO;
import com.cloud.simulator.dao.MockConfigurationDao;
import com.cloud.simulator.dao.MockHostDao;
import com.cloud.utils.Pair;
@ -317,6 +320,18 @@ public class SimulatorManagerImpl implements SimulatorManager {
}
}
@Override
@DB
public Map<String, MockVMVO> getVms(String hostGuid) {
Transaction txn = Transaction.currentTxn();
txn.transitToUserManagedConnection(_concierge.conn());
try {
return _mockVmMgr.getVms(hostGuid);
} finally {
txn.transitToAutoManagedConnection(Transaction.CLOUD_DB);
}
}
@Override
public HashMap<String, Pair<Long, Long>> syncNetworkGroups(String hostGuid) {
SimulatorInfo info = new SimulatorInfo();

32
agent-simulator/src/com/cloud/resource/AgentRoutingResource.java
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@ -8,6 +8,8 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.naming.ConfigurationException;
@ -38,6 +40,7 @@ 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.TemplateInfo;
import com.cloud.utils.Pair;
@ -47,6 +50,11 @@ 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;
@ -108,6 +116,16 @@ public class AgentRoutingResource extends AgentStorageResource {
_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,
@ -159,7 +177,10 @@ public class AgentRoutingResource extends AgentStorageResource {
throws IllegalArgumentException {
VirtualMachineTO vmSpec = cmd.getVirtualMachine();
String vmName = vmSpec.getName();
if (this.totalCpu < (vmSpec.getCpus() * vmSpec.getSpeed() + this.usedCpu) ||
this.totalMem < (vmSpec.getMaxRam() + this.usedMem)) {
return new StartAnswer(cmd, "No enough resource to start the vm");
}
State state = State.Stopped;
synchronized (_vms) {
_vms.put(vmName, State.Starting);
@ -171,6 +192,9 @@ public class AgentRoutingResource extends AgentStorageResource {
return new StartAnswer(cmd, result.getDetails());
}
this.usedCpu += vmSpec.getCpus() * vmSpec.getSpeed();
this.usedMem += vmSpec.getMaxRam();
_runningVms.put(vmName, new Pair<Long, Long>(Long.valueOf(vmSpec.getCpus() * vmSpec.getSpeed()), vmSpec.getMaxRam()));
state = State.Running;
} finally {
@ -201,7 +225,11 @@ public class AgentRoutingResource extends AgentStorageResource {
}
answer = new StopAnswer(cmd, null, 0, new Long(100), new Long(200));
Pair<Long, Long> data = _runningVms.get(vmName);
if (data != null) {
this.usedCpu -= data.first();
this.usedMem -= data.second();
}
state = State.Stopped;
} finally {

3
agent-simulator/src/com/cloud/simulator/dao/MockVMDaoImpl.java
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@ -14,6 +14,7 @@ import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.JoinBuilder;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.vm.VirtualMachine;
@Local(value={MockVMDao.class})
public class MockVMDaoImpl extends GenericDaoBase<MockVMVO, Long> implements MockVMDao {
@ -37,6 +38,7 @@ public class MockVMDaoImpl extends GenericDaoBase<MockVMVO, Long> implements Moc
public List<MockVMVO> findByHostGuid(String guid) {
SearchCriteria<MockVMVO> sc = GuidSearch.create();
sc.setJoinParameters("host", "guid", guid);
sc.setParameters("state", VirtualMachine.State.Running);
return listBy(sc);
}
@ -55,6 +57,7 @@ public class MockVMDaoImpl extends GenericDaoBase<MockVMVO, Long> implements Moc
GuidSearch = createSearchBuilder();
GuidSearch.join("host", host, host.entity().getId(), GuidSearch.entity().getHostId(), JoinBuilder.JoinType.INNER);
GuidSearch.and("state", GuidSearch.entity().getState(), SearchCriteria.Op.EQ);
GuidSearch.done();
vmNameSearch = createSearchBuilder();