Examples with KVMHAMonitor com.cloud.hypervisor.kvm.resource.KVMHAMonitor used on opensource projects

Example 1 with KVMHAMonitor

use of com.cloud.hypervisor.kvm.resource.KVMHAMonitor 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<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());
    }
}

Example 2 with KVMHAMonitor

use of com.cloud.hypervisor.kvm.resource.KVMHAMonitor 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<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:");
    }
}

Example 3 with KVMHAMonitor

use of com.cloud.hypervisor.kvm.resource.KVMHAMonitor in project cloudstack by apache.

the class LibvirtCheckVMActivityOnStoragePoolCommandWrapper method execute.

@Override
public Answer execute(final CheckVMActivityOnStoragePoolCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final ExecutorService executors = Executors.newSingleThreadExecutor();
    final KVMHAMonitor monitor = libvirtComputingResource.getMonitor();
    final StorageFilerTO pool = command.getPool();
    if (Storage.StoragePoolType.NetworkFilesystem == pool.getType()) {
        final NfsStoragePool nfspool = monitor.getStoragePool(pool.getUuid());
        final KVMHAVMActivityChecker ha = new KVMHAVMActivityChecker(nfspool, command.getHost().getPrivateNetwork().getIp(), command.getVolumeList(), libvirtComputingResource.getVmActivityCheckPath(), command.getSuspectTimeInSeconds());
        final Future<Boolean> future = executors.submit(ha);
        try {
            final Boolean result = future.get();
            if (result) {
                return new Answer(command, false, "VMHA disk activity detected ...");
            } else {
                return new Answer(command);
            }
        } catch (InterruptedException e) {
            return new Answer(command, false, "CheckVMActivityOnStoragePoolCommand: can't get status of host: InterruptedException");
        } catch (ExecutionException e) {
            return new Answer(command, false, "CheckVMActivityOnStoragePoolCommand: can't get status of host: ExecutionException");
        }
    }
    return new Answer(command, false, "Unsupported Storage");
}

Example 4 with KVMHAMonitor

use of com.cloud.hypervisor.kvm.resource.KVMHAMonitor in project cloudstack by apache.

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<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 beating...");
        } else {
            return new Answer(command);
        }
    } catch (final InterruptedException e) {
        return new Answer(command, false, "CheckOnHostCommand: can't get status of host: InterruptedException");
    } catch (final ExecutionException e) {
        return new Answer(command, false, "CheckOnHostCommand: can't get status of host: ExecutionException");
    }
}

Example 5 with KVMHAMonitor

use of com.cloud.hypervisor.kvm.resource.KVMHAMonitor in project cloudstack by apache.

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<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) {
        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());
    }
}