{
for (VmNicVO nic : self.getVmNics()) {
l3NicMacMap.put(nic.getL3NetworkUuid(), nic.getMac());
}
SimpleQuery<ApplianceVmFirewallRuleVO> q = dbf.createQuery(ApplianceVmFirewallRuleVO.class);
q.add(ApplianceVmFirewallRuleVO_.applianceVmUuid, Op.EQ, self.getUuid());
total = q.count();
}
private String steppingAllocate(long s, long e, int total, String rangeUuid) {
int step = 254;
int failureCount = 0;
int failureCheckPoint = 5;
while (s < e) {
// if failing failureCheckPoint times, the range is probably full,
// we check the range.
// why don't we check before steppingAllocate()? because in that case we
// have to count the used IP every time allocating a IP, and count operation
// is a full scan in DB, which is very costly
if (failureCheckPoint == failureCount++) {
SimpleQuery<UsedIpVO> q = dbf.createQuery(UsedIpVO.class);
q.add(UsedIpVO_.ipRangeUuid, Op.EQ, rangeUuid);
long count = q.count();
if (count == total) {
logger.debug(
String.format("ip range[uuid:%s] has no ip available, try next one", rangeUuid));
return null;
} else {
failureCount = 0;
}
}
long te = s + step;
te = te > e ? e : te;
SimpleQuery<UsedIpVO> q = dbf.createQuery(UsedIpVO.class);
q.select(UsedIpVO_.ipInLong);
q.add(UsedIpVO_.ipInLong, Op.GTE, s);
q.add(UsedIpVO_.ipInLong, Op.LTE, te);
q.add(UsedIpVO_.ipRangeUuid, Op.EQ, rangeUuid);
List<Long> used = q.listValue();
if (te - s + 1 == used.size()) {
s += step;
continue;
}
Collections.sort(used);
return NetworkUtils.randomAllocateIpv4Address(s, te, used);
}
return null;
}
@Override
public void preAttachVolume(VmInstanceInventory vm, final VolumeInventory volume) {
SimpleQuery<LocalStorageResourceRefVO> q = dbf.createQuery(LocalStorageResourceRefVO.class);
q.add(
LocalStorageResourceRefVO_.resourceUuid,
Op.IN,
list(vm.getRootVolumeUuid(), volume.getUuid()));
q.groupBy(LocalStorageResourceRefVO_.hostUuid);
long count = q.count();
if (count < 2) {
return;
}
q = dbf.createQuery(LocalStorageResourceRefVO.class);
q.select(LocalStorageResourceRefVO_.hostUuid);
q.add(LocalStorageResourceRefVO_.resourceUuid, Op.EQ, vm.getRootVolumeUuid());
String rootHost = q.findValue();
q = dbf.createQuery(LocalStorageResourceRefVO.class);
q.select(LocalStorageResourceRefVO_.hostUuid);
q.add(LocalStorageResourceRefVO_.resourceUuid, Op.EQ, volume.getUuid());
String dataHost = q.findValue();
if (!rootHost.equals(dataHost)) {
throw new OperationFailureException(
errf.stringToOperationError(
String.format(
"cannot attach the data volume[uuid:%s] to the vm[uuid:%s]. Both vm's root volume and the data volume are"
+ " on local primary storage, but they are on different hosts. The root volume[uuid:%s] is on the host[uuid:%s] but the data volume[uuid: %s]"
+ " is on the host[uuid: %s]",
volume.getUuid(),
vm.getUuid(),
vm.getRootVolumeUuid(),
rootHost,
volume.getUuid(),
dataHost)));
}
}
