Examples with GetVmDiskStatsCommand com.cloud.agent.api.GetVmDiskStatsCommand used on opensource projects

Example 6 with GetVmDiskStatsCommand

use of com.cloud.agent.api.GetVmDiskStatsCommand in project cloudstack by apache.

the class UserVmManagerImpl method getVmDiskStatistics.

@Override
public HashMap<Long, List<VmDiskStatsEntry>> getVmDiskStatistics(long hostId, String hostName, List<Long> vmIds) throws CloudRuntimeException {
    HashMap<Long, List<VmDiskStatsEntry>> vmDiskStatsById = new HashMap<Long, List<VmDiskStatsEntry>>();
    if (vmIds.isEmpty()) {
        return vmDiskStatsById;
    }
    List<String> vmNames = new ArrayList<String>();
    for (Long vmId : vmIds) {
        UserVmVO vm = _vmDao.findById(vmId);
        vmNames.add(vm.getInstanceName());
    }
    Answer answer = _agentMgr.easySend(hostId, new GetVmDiskStatsCommand(vmNames, _hostDao.findById(hostId).getGuid(), hostName));
    if (answer == null || !answer.getResult()) {
        s_logger.warn("Unable to obtain VM disk statistics.");
        return null;
    } else {
        HashMap<String, List<VmDiskStatsEntry>> vmDiskStatsByName = ((GetVmDiskStatsAnswer) answer).getVmDiskStatsMap();
        if (vmDiskStatsByName == null) {
            s_logger.warn("Unable to obtain VM disk statistics.");
            return null;
        }
        for (Map.Entry<String, List<VmDiskStatsEntry>> entry : vmDiskStatsByName.entrySet()) {
            vmDiskStatsById.put(vmIds.get(vmNames.indexOf(entry.getKey())), entry.getValue());
        }
    }
    return vmDiskStatsById;
}