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Example 1 with KvmHaChecker

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:");
    }
}
Also used : Answer(com.cloud.legacymodel.communication.answer.Answer) ExecutorService(java.util.concurrent.ExecutorService) KvmHaChecker(com.cloud.agent.resource.kvm.ha.KvmHaChecker) KvmHaMonitor(com.cloud.agent.resource.kvm.ha.KvmHaMonitor) HostTO(com.cloud.legacymodel.to.HostTO) NetworkTO(com.cloud.legacymodel.to.NetworkTO) ExecutionException(java.util.concurrent.ExecutionException)

Example 2 with KvmHaChecker

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());
    }
}
Also used : ExecutorService(java.util.concurrent.ExecutorService) KvmHaChecker(com.cloud.agent.resource.kvm.ha.KvmHaChecker) KvmHaMonitor(com.cloud.agent.resource.kvm.ha.KvmHaMonitor) FenceAnswer(com.cloud.legacymodel.communication.answer.FenceAnswer) ExecutionException(java.util.concurrent.ExecutionException)

Aggregations

KvmHaChecker (com.cloud.agent.resource.kvm.ha.KvmHaChecker)2 KvmHaMonitor (com.cloud.agent.resource.kvm.ha.KvmHaMonitor)2 ExecutionException (java.util.concurrent.ExecutionException)2 ExecutorService (java.util.concurrent.ExecutorService)2 Answer (com.cloud.legacymodel.communication.answer.Answer)1 FenceAnswer (com.cloud.legacymodel.communication.answer.FenceAnswer)1 HostTO (com.cloud.legacymodel.to.HostTO)1 NetworkTO (com.cloud.legacymodel.to.NetworkTO)1