Refactoring PrepareForMigrationCommand and MigrateCommand in order to cope with the new design

- Basic tests added
This commit is contained in:
wilderrodrigues 2015-03-24 13:51:48 +01:00
parent cb07b0ba08
commit a70d80dfd6
5 changed files with 190 additions and 14 deletions

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@ -1013,7 +1013,7 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
}
}
protected Network getNetwork(final Connection conn, final NicTO nic) throws XenAPIException, XmlRpcException {
public Network getNetwork(final Connection conn, final NicTO nic) throws XenAPIException, XmlRpcException {
final String name = nic.getName();
final XsLocalNetwork network = getNativeNetworkForTraffic(conn, nic.getType(), name);
if (network == null) {
@ -1125,7 +1125,7 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
return vif;
}
protected void prepareISO(final Connection conn, final String vmName) throws XmlRpcException, XenAPIException {
public void prepareISO(final Connection conn, final String vmName) throws XmlRpcException, XenAPIException {
final Set<VM> vms = VM.getByNameLabel(conn, vmName);
if (vms == null || vms.size() != 1) {
@ -3355,7 +3355,7 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
}
}
private void migrateVM(final Connection conn, final Host destHost, final VM vm, final String vmName) throws Exception {
public void migrateVM(final Connection conn, final Host destHost, final VM vm, final String vmName) throws Exception {
Task task = null;
try {
final Map<String, String> other = new HashMap<String, String>();

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@ -0,0 +1,84 @@
//
// 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.hypervisor.xenserver.resource.wrapper;
import java.util.Set;
import org.apache.log4j.Logger;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.MigrateAnswer;
import com.cloud.agent.api.MigrateCommand;
import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase;
import com.cloud.resource.CommandWrapper;
import com.xensource.xenapi.Connection;
import com.xensource.xenapi.Host;
import com.xensource.xenapi.Types;
import com.xensource.xenapi.VBD;
import com.xensource.xenapi.VM;
public final class CitrixMigrateCommandWrapper extends CommandWrapper<MigrateCommand, Answer, CitrixResourceBase> {
private static final Logger s_logger = Logger.getLogger(CitrixMigrateCommandWrapper.class);
@Override
public Answer execute(final MigrateCommand command, final CitrixResourceBase citrixResourceBase) {
final Connection conn = citrixResourceBase.getConnection();
final String vmName = command.getVmName();
try {
final Set<VM> vms = VM.getByNameLabel(conn, vmName);
final String ipaddr = command.getDestinationIp();
final Set<Host> hosts = Host.getAll(conn);
Host dsthost = null;
if(hosts != null) {
for (final Host host : hosts) {
if (host.getAddress(conn).equals(ipaddr)) {
dsthost = host;
break;
}
}
}
if (dsthost == null) {
final String msg = "Migration failed due to unable to find host " + ipaddr + " in XenServer pool " + citrixResourceBase.getHost().getPool();
s_logger.warn(msg);
return new MigrateAnswer(command, false, msg, null);
}
for (final VM vm : vms) {
final Set<VBD> vbds = vm.getVBDs(conn);
for (final VBD vbd : vbds) {
final VBD.Record vbdRec = vbd.getRecord(conn);
if (vbdRec.type.equals(Types.VbdType.CD) && !vbdRec.empty) {
vbd.eject(conn);
break;
}
}
citrixResourceBase.migrateVM(conn, dsthost, vm, vmName);
vm.setAffinity(conn, dsthost);
}
return new MigrateAnswer(command, true, "migration succeeded", null);
} catch (final Exception e) {
s_logger.warn(e.getMessage(), e);
return new MigrateAnswer(command, false, e.getMessage(), null);
}
}
}

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@ -0,0 +1,61 @@
//
// 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.hypervisor.xenserver.resource.wrapper;
import org.apache.log4j.Logger;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.PrepareForMigrationAnswer;
import com.cloud.agent.api.PrepareForMigrationCommand;
import com.cloud.agent.api.to.NicTO;
import com.cloud.agent.api.to.VirtualMachineTO;
import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase;
import com.cloud.resource.CommandWrapper;
import com.xensource.xenapi.Connection;
public final class CitrixPrepareForMigrationCommandWrapper extends CommandWrapper<PrepareForMigrationCommand, Answer, CitrixResourceBase> {
private static final Logger s_logger = Logger.getLogger(CitrixPrepareForMigrationCommandWrapper.class);
@Override
public Answer execute(final PrepareForMigrationCommand command, final CitrixResourceBase citrixResourceBase) {
final Connection conn = citrixResourceBase.getConnection();
final VirtualMachineTO vm = command.getVirtualMachine();
if (s_logger.isDebugEnabled()) {
s_logger.debug("Preparing host for migrating " + vm);
}
final NicTO[] nics = vm.getNics();
try {
citrixResourceBase.prepareISO(conn, vm.getName());
for (final NicTO nic : nics) {
citrixResourceBase.getNetwork(conn, nic);
}
s_logger.debug("4. The VM " + vm.getName() + " is in Migrating state");
return new PrepareForMigrationAnswer(command);
} catch (final Exception e) {
s_logger.warn("Catch Exception " + e.getClass().getName() + " prepare for migration failed due to " + e.toString(), e);
return new PrepareForMigrationAnswer(command, e);
}
}
}

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@ -28,6 +28,8 @@ import com.cloud.agent.api.Command;
import com.cloud.agent.api.GetHostStatsCommand;
import com.cloud.agent.api.GetVmDiskStatsCommand;
import com.cloud.agent.api.GetVmStatsCommand;
import com.cloud.agent.api.MigrateCommand;
import com.cloud.agent.api.PrepareForMigrationCommand;
import com.cloud.agent.api.ReadyCommand;
import com.cloud.agent.api.RebootCommand;
import com.cloud.agent.api.RebootRouterCommand;
@ -69,6 +71,8 @@ public class CitrixRequestWrapper extends RequestWrapper {
map.put(StopCommand.class, new CitrixStopCommandWrapper());
map.put(RebootCommand.class, new CitrixRebootCommandWrapper());
map.put(CheckVirtualMachineCommand.class, new CitrixCheckVirtualMachineCommandWrapper());
map.put(PrepareForMigrationCommand.class, new CitrixPrepareForMigrationCommandWrapper());
map.put(MigrateCommand.class, new CitrixMigrateCommandWrapper());
}
public static CitrixRequestWrapper getInstance() {

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@ -21,6 +21,8 @@ import com.cloud.agent.api.Command;
import com.cloud.agent.api.GetHostStatsCommand;
import com.cloud.agent.api.GetVmDiskStatsCommand;
import com.cloud.agent.api.GetVmStatsCommand;
import com.cloud.agent.api.MigrateCommand;
import com.cloud.agent.api.PrepareForMigrationCommand;
import com.cloud.agent.api.ReadyCommand;
import com.cloud.agent.api.RebootAnswer;
import com.cloud.agent.api.RebootCommand;
@ -30,6 +32,7 @@ import com.cloud.agent.api.proxy.CheckConsoleProxyLoadCommand;
import com.cloud.agent.api.proxy.WatchConsoleProxyLoadCommand;
import com.cloud.agent.api.storage.CreateAnswer;
import com.cloud.agent.api.storage.CreateCommand;
import com.cloud.agent.api.to.VirtualMachineTO;
import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase;
import com.cloud.vm.DiskProfile;
@ -37,11 +40,11 @@ import com.cloud.vm.DiskProfile;
public class CitrixRequestWrapperTest {
@Mock
protected CitrixResourceBase citrixResourceBase;
private CitrixResourceBase citrixResourceBase;
@Mock
protected RebootAnswer rebootAnswer;
private RebootAnswer rebootAnswer;
@Mock
protected CreateAnswer createAnswer;
private CreateAnswer createAnswer;
@Test
public void testWrapperInstance() {
@ -114,7 +117,7 @@ public class CitrixRequestWrapperTest {
}
@Test
public void testReadyCommandCommand() {
public void testReadyCommand() {
final ReadyCommand readyCommand = new ReadyCommand();
final CitrixRequestWrapper wrapper = CitrixRequestWrapper.getInstance();
@ -126,7 +129,7 @@ public class CitrixRequestWrapperTest {
}
@Test
public void testGetHostStatsCommandCommand() {
public void testGetHostStatsCommand() {
final GetHostStatsCommand statsCommand = new GetHostStatsCommand(null, null, 0);
final CitrixRequestWrapper wrapper = CitrixRequestWrapper.getInstance();
@ -138,7 +141,7 @@ public class CitrixRequestWrapperTest {
}
@Test
public void testGetVmStatsCommandCommand() {
public void testGetVmStatsCommand() {
final GetVmStatsCommand statsCommand = new GetVmStatsCommand(new ArrayList<String>(), null, null);
final CitrixRequestWrapper wrapper = CitrixRequestWrapper.getInstance();
@ -150,7 +153,7 @@ public class CitrixRequestWrapperTest {
}
@Test
public void testGetVmDiskStatsCommandCommand() {
public void testGetVmDiskStatsCommand() {
final GetVmDiskStatsCommand statsCommand = new GetVmDiskStatsCommand(new ArrayList<String>(), null, null);
final CitrixRequestWrapper wrapper = CitrixRequestWrapper.getInstance();
@ -162,7 +165,7 @@ public class CitrixRequestWrapperTest {
}
@Test
public void testCheckHealthCommandCommand() {
public void testCheckHealthCommand() {
final CheckHealthCommand statsCommand = new CheckHealthCommand();
final CitrixRequestWrapper wrapper = CitrixRequestWrapper.getInstance();
@ -200,16 +203,40 @@ public class CitrixRequestWrapperTest {
}
@Test
public void testCheckVirtualMachineCommandCommand() {
final CheckVirtualMachineCommand statsCommand = new CheckVirtualMachineCommand("Test");
public void testCheckVirtualMachineCommand() {
final CheckVirtualMachineCommand virtualMachineCommand = new CheckVirtualMachineCommand("Test");
final CitrixRequestWrapper wrapper = CitrixRequestWrapper.getInstance();
assertNotNull(wrapper);
final Answer answer = wrapper.execute(statsCommand, citrixResourceBase);
final Answer answer = wrapper.execute(virtualMachineCommand, citrixResourceBase);
assertTrue(answer.getResult());
}
@Test
public void testPrepareForMigrationCommand() {
final PrepareForMigrationCommand prepareCommand = new PrepareForMigrationCommand(new VirtualMachineTO(0, "Test", null, 2, 200, 256, 512, null, "CentOS", true, false, "123"));
final CitrixRequestWrapper wrapper = CitrixRequestWrapper.getInstance();
assertNotNull(wrapper);
final Answer answer = wrapper.execute(prepareCommand, citrixResourceBase);
assertFalse(answer.getResult());
}
@Test
public void testMigrateCommand() {
final MigrateCommand migrateCommand = new MigrateCommand("Test", "127.0.0.1", false, new VirtualMachineTO(0, "Test", null, 2, 200, 256, 512, null, "CentOS", true, false, "123"), false);
final CitrixRequestWrapper wrapper = CitrixRequestWrapper.getInstance();
assertNotNull(wrapper);
final Answer answer = wrapper.execute(migrateCommand, citrixResourceBase);
assertFalse(answer.getResult());
}
}
class NotAValidCommand extends Command {