Examples with VBD com.xensource.xenapi.VBD used on opensource projects

Example 21 with VBD

use of com.xensource.xenapi.VBD in project cloudstack by apache.

the class CitrixDeleteVMSnapshotCommandWrapper method execute.

@Override
public Answer execute(final DeleteVMSnapshotCommand command, final CitrixResourceBase citrixResourceBase) {
    final String snapshotName = command.getTarget().getSnapshotName();
    final Connection conn = citrixResourceBase.getConnection();
    try {
        final List<VDI> vdiList = new ArrayList<VDI>();
        final Set<VM> snapshots = VM.getByNameLabel(conn, snapshotName);
        if (snapshots == null || snapshots.size() == 0) {
            s_logger.warn("VM snapshot with name " + snapshotName + " does not exist, assume it is already deleted");
            return new DeleteVMSnapshotAnswer(command, command.getVolumeTOs());
        }
        final VM snapshot = snapshots.iterator().next();
        final Set<VBD> vbds = snapshot.getVBDs(conn);
        for (final VBD vbd : vbds) {
            if (vbd.getType(conn) == Types.VbdType.DISK) {
                final VDI vdi = vbd.getVDI(conn);
                vdiList.add(vdi);
            }
        }
        if (command.getTarget().getType() == VMSnapshot.Type.DiskAndMemory) {
            vdiList.add(snapshot.getSuspendVDI(conn));
        }
        snapshot.destroy(conn);
        for (final VDI vdi : vdiList) {
            vdi.destroy(conn);
        }
        try {
            Thread.sleep(5000);
        } catch (final InterruptedException ex) {
        }
        // re-calculate used capacify for this VM snapshot
        for (final VolumeObjectTO volumeTo : command.getVolumeTOs()) {
            final long size = citrixResourceBase.getVMSnapshotChainSize(conn, volumeTo, command.getVmName());
            volumeTo.setSize(size);
        }
        return new DeleteVMSnapshotAnswer(command, command.getVolumeTOs());
    } catch (final Exception e) {
        s_logger.warn("Catch Exception: " + e.getClass().toString() + " due to " + e.toString(), e);
        return new DeleteVMSnapshotAnswer(command, false, e.getMessage());
    }
}