Examples with RestoreVMSnapshotAnswer com.cloud.legacymodel.communication.answer.RestoreVMSnapshotAnswer used on opensource projects

Example 1 with RestoreVMSnapshotAnswer

use of com.cloud.legacymodel.communication.answer.RestoreVMSnapshotAnswer in project cosmic by MissionCriticalCloud.

the class VirtualMachineManagerImpl method checkVmOnHost.

protected boolean checkVmOnHost(final VirtualMachine vm, final long hostId) throws AgentUnavailableException, OperationTimedoutException {
    final Answer answer = _agentMgr.send(hostId, new CheckVirtualMachineCommand(vm.getInstanceName()));
    if (answer == null || !answer.getResult()) {
        return false;
    }
    if (answer instanceof CheckVirtualMachineAnswer) {
        final CheckVirtualMachineAnswer vmAnswer = (CheckVirtualMachineAnswer) answer;
        if (vmAnswer.getState() == PowerState.PowerOff) {
            return false;
        }
    }
    final UserVmVO userVm = _userVmDao.findById(vm.getId());
    if (userVm != null) {
        final List<VMSnapshotVO> vmSnapshots = _vmSnapshotDao.findByVm(vm.getId());
        final RestoreVMSnapshotCommand command = _vmSnapshotMgr.createRestoreCommand(userVm, vmSnapshots);
        if (command != null) {
            final RestoreVMSnapshotAnswer restoreVMSnapshotAnswer = (RestoreVMSnapshotAnswer) _agentMgr.send(hostId, command);
            if (restoreVMSnapshotAnswer == null || !restoreVMSnapshotAnswer.getResult()) {
                s_logger.warn("Unable to restore the vm snapshot from image file after live migration of vm with vmsnapshots: " + restoreVMSnapshotAnswer.getDetails());
            }
        }
    }
    return true;
}

Example 2 with RestoreVMSnapshotAnswer

use of com.cloud.legacymodel.communication.answer.RestoreVMSnapshotAnswer in project cosmic by MissionCriticalCloud.

the class LibvirtRestoreVMSnapshotCommandWrapper method execute.

@Override
public Answer execute(final RestoreVMSnapshotCommand cmd, final LibvirtComputingResource libvirtComputingResource) {
    final String vmName = cmd.getVmName();
    final List<VolumeObjectTO> listVolumeTo = cmd.getVolumeTOs();
    final PowerState vmState = PowerState.PowerOn;
    Domain dm = null;
    try {
        final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
        final Connect conn = libvirtUtilitiesHelper.getConnection();
        dm = libvirtComputingResource.getDomain(conn, vmName);
        if (dm == null) {
            return new RestoreVMSnapshotAnswer(cmd, false, "Restore VM Snapshot Failed due to can not find vm: " + vmName);
        }
        final String xmlDesc = dm.getXMLDesc(8);
        final List<VMSnapshotTO> snapshots = cmd.getSnapshots();
        final Map<Long, VMSnapshotTO> snapshotAndParents = cmd.getSnapshotAndParents();
        for (final VMSnapshotTO snapshot : snapshots) {
            final VMSnapshotTO parent = snapshotAndParents.get(snapshot.getId());
            final String vmSnapshotXML = libvirtUtilitiesHelper.generateVMSnapshotXML(snapshot, parent, xmlDesc);
            s_logger.debug("Restoring vm snapshot " + snapshot.getSnapshotName() + " on " + vmName + " with XML:\n " + vmSnapshotXML);
            try {
                // VIR_DOMAIN_SNAPSHOT_CREATE_REDEFINE = 1
                int flags = 1;
                if (snapshot.getCurrent()) {
                    // VIR_DOMAIN_SNAPSHOT_CREATE_CURRENT = 2
                    flags += 2;
                }
                dm.snapshotCreateXML(vmSnapshotXML, flags);
            } catch (final LibvirtException e) {
                s_logger.debug("Failed to restore vm snapshot " + snapshot.getSnapshotName() + " on " + vmName);
                return new RestoreVMSnapshotAnswer(cmd, false, e.toString());
            }
        }
        return new RestoreVMSnapshotAnswer(cmd, listVolumeTo, vmState);
    } catch (final LibvirtException e) {
        final String msg = " Restore snapshot failed due to " + e.toString();
        s_logger.warn(msg, e);
        return new RestoreVMSnapshotAnswer(cmd, false, msg);
    } finally {
        if (dm != null) {
            try {
                dm.free();
            } catch (final LibvirtException l) {
                s_logger.trace("Ignoring libvirt error.", l);
            }
        }
    }
}

Example 3 with RestoreVMSnapshotAnswer

use of com.cloud.legacymodel.communication.answer.RestoreVMSnapshotAnswer in project cosmic by MissionCriticalCloud.

the class UserVmManagerImpl method finalizeStart.

@Override
public boolean finalizeStart(final VirtualMachineProfile profile, final long hostId, final Commands cmds, final ReservationContext context) {
    final UserVmVO vm = _vmDao.findById(profile.getId());
    final Answer[] answersToCmds = cmds.getAnswers();
    if (answersToCmds == null) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Returning from finalizeStart() since there are no answers to read");
        }
        return true;
    }
    final Answer startAnswer = cmds.getAnswer(StartAnswer.class);
    String returnedIp = null;
    String originalIp = null;
    if (startAnswer != null) {
        final StartAnswer startAns = (StartAnswer) startAnswer;
        final VirtualMachineTO vmTO = startAns.getVirtualMachine();
        for (final NicTO nicTO : vmTO.getNics()) {
            if (nicTO.getType() == TrafficType.Guest) {
                returnedIp = nicTO.getIp();
            }
        }
    }
    final List<NicVO> nics = _nicDao.listByVmId(vm.getId());
    NicVO guestNic = null;
    NetworkVO guestNetwork = null;
    for (final NicVO nic : nics) {
        final NetworkVO network = _networkDao.findById(nic.getNetworkId());
        final long isDefault = nic.isDefaultNic() ? 1 : 0;
        if (network.getTrafficType() == TrafficType.Guest) {
            originalIp = nic.getIPv4Address();
            guestNic = nic;
            guestNetwork = network;
            if (nic.getBroadcastUri().getScheme().equals("pvlan")) {
                final NicProfile nicProfile = new NicProfile(nic, network, nic.getBroadcastUri(), nic.getIsolationUri(), 0, "pvlan-nic");
                if (!setupVmForPvlan(true, hostId, nicProfile)) {
                    return false;
                }
            }
        }
    }
    boolean ipChanged = false;
    if (originalIp != null && !originalIp.equalsIgnoreCase(returnedIp)) {
        if (returnedIp != null && guestNic != null) {
            guestNic.setIPv4Address(returnedIp);
            ipChanged = true;
        }
    }
    if (returnedIp != null && !returnedIp.equalsIgnoreCase(originalIp)) {
        if (guestNic != null) {
            guestNic.setIPv4Address(returnedIp);
            ipChanged = true;
        }
    }
    // get system ip and create static nat rule for the vm
    try {
        _rulesMgr.getSystemIpAndEnableStaticNatForVm(profile.getVirtualMachine(), false);
    } catch (final Exception ex) {
        s_logger.warn("Failed to get system ip and enable static nat for the vm " + profile.getVirtualMachine() + " due to exception ", ex);
        return false;
    }
    final Answer answer = cmds.getAnswer("restoreVMSnapshot");
    if (answer != null && answer instanceof RestoreVMSnapshotAnswer) {
        final RestoreVMSnapshotAnswer restoreVMSnapshotAnswer = (RestoreVMSnapshotAnswer) answer;
        if (!restoreVMSnapshotAnswer.getResult()) {
            s_logger.warn("Unable to restore the vm snapshot from image file to the VM: " + restoreVMSnapshotAnswer.getDetails());
        }
    }
    return true;
}