Examples with Xen com.cloud.hypervisor.ovm3.objects.Xen used on opensource projects

Example 6 with Xen

use of com.cloud.hypervisor.ovm3.objects.Xen in project cloudstack by apache.

the class Ovm3HypervisorResource method execute.

@Override
public RebootAnswer execute(RebootCommand cmd) {
    String vmName = cmd.getVmName();
    hypervisorsupport.setVmStateStarting(vmName);
    try {
        Xen xen = new Xen(c);
        Xen.Vm vm = xen.getRunningVmConfig(vmName);
        if (vm == null) {
            return new RebootAnswer(cmd, vmName + " not present", false);
        }
        xen.rebootVm(ovmObject.deDash(vm.getVmRootDiskPoolId()), vm.getVmUuid());
        vm = xen.getRunningVmConfig(vmName);
        Integer vncPort = vm.getVncPort();
        return new RebootAnswer(cmd, null, vncPort);
    } catch (Exception e) {
        LOGGER.debug("Reboot " + vmName + " failed", e);
        return new RebootAnswer(cmd, e.getMessage(), false);
    } finally {
        hypervisorsupport.setVmState(vmName, State.Running);
    }
}

Example 7 with Xen

use of com.cloud.hypervisor.ovm3.objects.Xen in project cloudstack by apache.

the class Ovm3StorageProcessor method createSnapshot.

/**
     * Creates a snapshot from a volume, but only if the VM is stopped.
     * This due qemu not being able to snap raw volumes.
     *
     * if stopped yes, if running ... no, unless we have ocfs2 when
     * using raw partitions (file:) if using tap:aio we cloud...
     * The "ancient" way:
     * We do however follow the "two stage" approach, of "snap"
     * on primary first, with the create object... and then
     * backup the snapshot with the copycmd....
     * (should transfer to createSnapshot, backupSnapshot)
     */
@Override
public Answer createSnapshot(CreateObjectCommand cmd) {
    LOGGER.debug("execute createSnapshot: " + cmd.getClass());
    DataTO data = cmd.getData();
    Xen xen = new Xen(c);
    SnapshotObjectTO snap = (SnapshotObjectTO) data;
    VolumeObjectTO vol = snap.getVolume();
    try {
        Xen.Vm vm = xen.getVmConfig(snap.getVmName());
        if (vm != null) {
            return new CreateObjectAnswer("Snapshot object creation not supported for running VMs." + snap.getVmName());
        }
        Linux host = new Linux(c);
        String uuid = host.newUuid();
        /* for root volumes this works... */
        String src = vol.getPath() + "/" + vol.getUuid() + ".raw";
        String dest = vol.getPath() + "/" + uuid + ".raw";
        /* seems that sometimes the path is already contains a file
             * in case, we just replace it.... (Seems to happen if not ROOT)
             */
        if (vol.getPath().contains(vol.getUuid())) {
            src = getVirtualDiskPath(vol.getUuid(), data.getDataStore().getUuid());
            dest = src.replace(vol.getUuid(), uuid);
        }
        LOGGER.debug("Snapshot " + src + " to " + dest);
        host.copyFile(src, dest);
        SnapshotObjectTO nsnap = new SnapshotObjectTO();
        // nsnap.setPath(dest);
        // move to something that looks the same as xenserver.
        nsnap.setPath(uuid);
        return new CreateObjectAnswer(nsnap);
    } catch (Ovm3ResourceException e) {
        return new CreateObjectAnswer("Snapshot object creation failed. " + e.getMessage());
    }
}

Example 8 with Xen

use of com.cloud.hypervisor.ovm3.objects.Xen in project cloudstack by apache.

the class Ovm3StorageProcessor method attachDetach.

/**
     * Generic disk attach/detach.
     * @param cmd
     * @param vmName
     * @param disk
     * @param isAttach
     * @return
     */
private AttachAnswer attachDetach(Command cmd, String vmName, DiskTO disk, boolean isAttach) {
    Xen xen = new Xen(c);
    String doThis = (isAttach) ? "Attach" : "Dettach";
    LOGGER.debug(doThis + " volume type " + disk.getType() + "  " + vmName);
    String msg = "";
    String path = "";
    try {
        Xen.Vm vm = xen.getVmConfig(vmName);
        /* check running */
        if (vm == null) {
            msg = doThis + " can't find VM " + vmName;
            LOGGER.debug(msg);
            return new AttachAnswer(msg);
        }
        if (disk.getType() == Volume.Type.ISO) {
            path = getIsoPath(disk);
        } else if (disk.getType() == Volume.Type.DATADISK) {
            path = getVirtualDiskPath(disk, vm.getPrimaryPoolUuid());
        }
        if ("".equals(path)) {
            msg = doThis + " can't do anything with an empty path.";
            LOGGER.debug(msg);
            return new AttachAnswer(msg);
        }
        if (isAttach) {
            if (disk.getType() == Volume.Type.ISO) {
                vm.addIso(path);
            } else {
                vm.addDataDisk(path);
            }
        } else {
            if (!vm.removeDisk(path)) {
                msg = doThis + " failed for " + vmName + disk.getType() + "  was not attached " + path;
                LOGGER.debug(msg);
                return new AttachAnswer(msg);
            }
        }
        xen.configureVm(ovmObject.deDash(vm.getPrimaryPoolUuid()), vm.getVmUuid());
        return new AttachAnswer(disk);
    } catch (Ovm3ResourceException e) {
        msg = doThis + " failed for " + vmName + " " + e.getMessage();
        LOGGER.warn(msg, e);
        return new AttachAnswer(msg);
    }
}

Example 9 with Xen

use of com.cloud.hypervisor.ovm3.objects.Xen in project cloudstack by apache.

the class Ovm3VmSupport method plugNunplugNic.

/**
     * Implements the unplug and plug feature for Nics, the boolan decides
     * to either plug (true) or unplug (false)
     *
     * @param nic
     * @param vmName
     * @param plug
     * @return
     */
private Answer plugNunplugNic(NicTO nic, String vmName, Boolean plug) {
    try {
        Xen xen = new Xen(c);
        Xen.Vm vm = xen.getVmConfig(vmName);
        /* check running */
        if (vm == null) {
            return new Answer(null, false, "Unable to execute command due to missing VM");
        }
        // setup the NIC in the VM config.
        if (plug) {
            createVif(vm, nic);
            vm.setupVifs();
        } else {
            deleteVif(vm, nic);
        }
        // execute the change
        xen.configureVm(ovmObject.deDash(vm.getPrimaryPoolUuid()), vm.getVmUuid());
    } catch (Ovm3ResourceException e) {
        String msg = "Unable to execute command due to " + e.toString();
        LOGGER.debug(msg);
        return new Answer(null, false, msg);
    }
    return new Answer(null, true, "success");
}

Example 10 with Xen

use of com.cloud.hypervisor.ovm3.objects.Xen in project cloudstack by apache.

the class Ovm3VmSupport method execute.

/*
     */
public GetVncPortAnswer execute(GetVncPortCommand cmd) {
    try {
        Xen host = new Xen(c);
        Xen.Vm vm = host.getRunningVmConfig(cmd.getName());
        Integer vncPort = vm.getVncPort();
        LOGGER.debug("get vnc port for " + cmd.getName() + ": " + vncPort);
        return new GetVncPortAnswer(cmd, c.getIp(), vncPort);
    } catch (Ovm3ResourceException e) {
        LOGGER.debug("get vnc port for " + cmd.getName() + " failed", e);
        return new GetVncPortAnswer(cmd, e.getMessage());
    }
}