suitableHosts.add(host);
Pair<Host, Map<Volume, StoragePool>> potentialResources = findPotentialDeploymentResources(suitableHosts, suitableVolumeStoragePools);
if(potentialResources != null){
Pod pod = _podDao.findById(host.getPodId());
Cluster cluster = _clusterDao.findById(host.getClusterId());
Map<Volume, StoragePool> storageVolMap = potentialResources.second();
// remove the reused vol<->pool from destination, since we don't have to prepare this volume.
for(Volume vol : readyAndReusedVolumes){
storageVolMap.remove(vol);
}
DeployDestination dest = new DeployDestination(dc, pod, cluster, host, storageVolMap);
s_logger.debug("Returning Deployment Destination: "+ dest);
return dest;
}
}
s_logger.debug("Cannnot deploy to specified host, returning.");
return null;
}
if (vm.getLastHostId() != null && haVmTag == null) {
s_logger.debug("This VM has last host_id specified, trying to choose the same host: " +vm.getLastHostId());
HostVO host = _hostDao.findById(vm.getLastHostId());
if(host == null){
s_logger.debug("The last host of this VM cannot be found");
}else if(avoid.shouldAvoid(host)){
s_logger.debug("The last host of this VM is in avoid set");
}else if(_capacityMgr.checkIfHostReachMaxGuestLimit(host)){
s_logger.debug("The last Host, hostId: "+ host.getId() +" already has max Running VMs(count includes system VMs), skipping this and trying other available hosts");
}else{
if (host.getStatus() == Status.Up && host.getResourceState() == ResourceState.Enabled) {
if(_capacityMgr.checkIfHostHasCapacity(host.getId(), cpu_requested, ram_requested, true, cpuOverprovisioningFactor, true)){
s_logger.debug("The last host of this VM is UP and has enough capacity");
s_logger.debug("Now checking for suitable pools under zone: "+host.getDataCenterId() +", pod: "+ host.getPodId()+", cluster: "+ host.getClusterId());
//search for storage under the zone, pod, cluster of the last host.
DataCenterDeployment lastPlan = new DataCenterDeployment(host.getDataCenterId(), host.getPodId(), host.getClusterId(), host.getId(), plan.getPoolId(), null);
Pair<Map<Volume, List<StoragePool>>, List<Volume>> result = findSuitablePoolsForVolumes(vmProfile, lastPlan, avoid, HostAllocator.RETURN_UPTO_ALL);
Map<Volume, List<StoragePool>> suitableVolumeStoragePools = result.first();
List<Volume> readyAndReusedVolumes = result.second();
//choose the potential pool for this VM for this host
if(!suitableVolumeStoragePools.isEmpty()){
List<Host> suitableHosts = new ArrayList<Host>();
suitableHosts.add(host);
Pair<Host, Map<Volume, StoragePool>> potentialResources = findPotentialDeploymentResources(suitableHosts, suitableVolumeStoragePools);
if(potentialResources != null){
Pod pod = _podDao.findById(host.getPodId());
Cluster cluster = _clusterDao.findById(host.getClusterId());
Map<Volume, StoragePool> storageVolMap = potentialResources.second();
// remove the reused vol<->pool from destination, since we don't have to prepare this volume.
for(Volume vol : readyAndReusedVolumes){
storageVolMap.remove(vol);
}