use of com.cloud.agent.resource.kvm.ha.KvmHaChecker in project cosmic by MissionCriticalCloud.
the class LibvirtCheckOnHostCommandWrapper method execute.
@Override
public Answer execute(final CheckOnHostCommand command, final LibvirtComputingResource libvirtComputingResource) {
final ExecutorService executors = Executors.newSingleThreadExecutor();
final KvmHaMonitor monitor = libvirtComputingResource.getMonitor();
final List<KvmHaBase.NfsStoragePool> pools = monitor.getStoragePools();
final HostTO host = command.getHost();
final NetworkTO privateNetwork = host.getPrivateNetwork();
final KvmHaChecker ha = new KvmHaChecker(pools, privateNetwork.getIp());
final Future<Boolean> future = executors.submit(ha);
try {
final Boolean result = future.get();
if (result) {
return new Answer(command, false, "Heart is still beating...");
} else {
return new Answer(command);
}
} catch (final InterruptedException e) {
return new Answer(command, false, "can't get status of host:");
} catch (final ExecutionException e) {
return new Answer(command, false, "can't get status of host:");
}
}
use of com.cloud.agent.resource.kvm.ha.KvmHaChecker in project cosmic by MissionCriticalCloud.
the class LibvirtFenceCommandWrapper method execute.
@Override
public Answer execute(final FenceCommand command, final LibvirtComputingResource libvirtComputingResource) {
final ExecutorService executors = Executors.newSingleThreadExecutor();
final KvmHaMonitor monitor = libvirtComputingResource.getMonitor();
final List<KvmHaBase.NfsStoragePool> pools = monitor.getStoragePools();
/**
* We can only safely fence off hosts when we use NFS On NFS primary storage pools hosts continuesly write a
* heartbeat. Disable Fencing Off for hosts without NFS
*/
if (pools.size() == 0) {
final String logline = "No NFS storage pools found. No way to safely fence " + command.getVmName() + " on host " + command.getHostGuid();
s_logger.warn(logline);
return new FenceAnswer(command, false, logline);
}
final KvmHaChecker ha = new KvmHaChecker(pools, command.getHostIp());
final Future<Boolean> future = executors.submit(ha);
try {
final Boolean result = future.get();
if (result) {
return new FenceAnswer(command, false, "Heart is still beating...");
} else {
return new FenceAnswer(command);
}
} catch (final InterruptedException e) {
s_logger.warn("Unable to fence", e);
return new FenceAnswer(command, false, e.getMessage());
} catch (final ExecutionException e) {
s_logger.warn("Unable to fence", e);
return new FenceAnswer(command, false, e.getMessage());
}
}
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