@Override
public void run() {
try {
s_logger.debug("HostStatsCollector is running...");
SearchCriteria<HostVO> sc = _hostDao.createSearchCriteria();
sc.addAnd("status", SearchCriteria.Op.EQ, Status.Up.toString());
sc.addAnd("type", SearchCriteria.Op.NEQ, Host.Type.Storage.toString());
sc.addAnd("type", SearchCriteria.Op.NEQ, Host.Type.ConsoleProxy.toString());
sc.addAnd("type", SearchCriteria.Op.NEQ, Host.Type.SecondaryStorage.toString());
ConcurrentHashMap<Long, HostStats> hostStats = new ConcurrentHashMap<Long, HostStats>();
List<HostVO> hosts = _hostDao.search(sc, null);
for (HostVO host : hosts) {
if (host.getId() != null) {
HostStatsEntry stats = (HostStatsEntry) _agentMgr.getHostStatistics(host.getId());
if (stats != null) {
hostStats.put(host.getId(), stats);
} else {
s_logger.warn("Received invalid host stats for host: " + host.getId());
}
} else {
s_logger.warn("Host: " + host.getId() + " does not exist, skipping host statistics");
}
}
_hostStats = hostStats;
} catch (Throwable t) {
s_logger.error("Error trying to retrieve host stats", t);
}
}
@Override
public void run() {
try {
s_logger.debug("VmStatsCollector is running...");
SearchCriteria<HostVO> sc = _hostDao.createSearchCriteria();
sc.addAnd("status", SearchCriteria.Op.EQ, Status.Up.toString());
sc.addAnd("type", SearchCriteria.Op.NEQ, Host.Type.Storage.toString());
sc.addAnd("type", SearchCriteria.Op.NEQ, Host.Type.ConsoleProxy.toString());
sc.addAnd("type", SearchCriteria.Op.NEQ, Host.Type.SecondaryStorage.toString());
List<HostVO> hosts = _hostDao.search(sc, null);
for (HostVO host : hosts) {
List<UserVmVO> vms = _userVmDao.listRunningByHostId(host.getId());
List<Long> vmIds = new ArrayList<Long>();
for (UserVmVO vm : vms) {
vmIds.add(vm.getId());
}
try {
HashMap<Long, VmStatsEntry> vmStatsById =
_userVmMgr.getVirtualMachineStatistics(host.getId(), host.getName(), vmIds);
if (vmStatsById != null) {
VmStatsEntry statsInMemory = null;
Set<Long> vmIdSet = vmStatsById.keySet();
for (Long vmId : vmIdSet) {
VmStatsEntry statsForCurrentIteration = vmStatsById.get(vmId);
statsInMemory = (VmStatsEntry) _VmStats.get(vmId);
if (statsInMemory == null) {
// no stats exist for this vm, directly persist
_VmStats.put(vmId, statsForCurrentIteration);
} else {
// update each field
statsInMemory.setCPUUtilization(statsForCurrentIteration.getCPUUtilization());
statsInMemory.setNumCPUs(statsForCurrentIteration.getNumCPUs());
statsInMemory.setNetworkReadKBs(
statsInMemory.getNetworkReadKBs()
+ statsForCurrentIteration.getNetworkReadKBs());
statsInMemory.setNetworkWriteKBs(
statsInMemory.getNetworkWriteKBs()
+ statsForCurrentIteration.getNetworkWriteKBs());
_VmStats.put(vmId, statsInMemory);
}
}
}
} catch (Exception e) {
s_logger.debug("Failed to get VM stats for host with ID: " + host.getId());
continue;
}
}
} catch (Throwable t) {
s_logger.error("Error trying to retrieve VM stats", t);
}
}