@Override
public Answer execute(final GetVmDiskStatsCommand command, final LibvirtComputingResource libvirtComputingResource) {
final List<String> vmNames = command.getVmNames();
final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
try {
final HashMap<String, List<VmDiskStatsEntry>> vmDiskStatsNameMap = new HashMap<String, List<VmDiskStatsEntry>>();
final Connect conn = libvirtUtilitiesHelper.getConnection();
for (final String vmName : vmNames) {
try {
final List<VmDiskStatsEntry> statEntry = libvirtComputingResource.getVmDiskStat(conn, vmName);
if (statEntry == null) {
continue;
}
vmDiskStatsNameMap.put(vmName, statEntry);
} catch (LibvirtException e) {
s_logger.warn("Can't get vm disk stats: " + e.toString() + ", continue");
}
}
return new GetVmDiskStatsAnswer(command, "", command.getHostName(), vmDiskStatsNameMap);
} catch (final LibvirtException e) {
s_logger.debug("Can't get vm disk stats: " + e.toString());
return new GetVmDiskStatsAnswer(command, null, null, null);
}
}
}