List<Host> suitableHosts = new ArrayList<Host>();
suitableHosts.add(host);
Pair<Host, Map<Volume, StoragePool>> potentialResources = findPotentialDeploymentResources(
suitableHosts, suitableVolumeStoragePools, avoids, getPlannerUsage(planner,vmProfile, plan ,avoids));
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 (avoids.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) {
long cluster_id = host.getClusterId();
ClusterDetailsVO cluster_detail_cpu = _clusterDetailsDao.findDetail(cluster_id,
"cpuOvercommitRatio");
ClusterDetailsVO cluster_detail_ram = _clusterDetailsDao.findDetail(cluster_id,
"memoryOvercommitRatio");
Float cpuOvercommitRatio = Float.parseFloat(cluster_detail_cpu.getValue());
Float memoryOvercommitRatio = Float.parseFloat(cluster_detail_ram.getValue());
if (_capacityMgr.checkIfHostHasCapacity(host.getId(), cpu_requested, ram_requested, true,
cpuOvercommitRatio, memoryOvercommitRatio, 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, avoids, 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, avoids, getPlannerUsage(planner,vmProfile, plan ,avoids));
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.