Search in sources :

Example 1 with KVMHAChecker

use of com.cloud.hypervisor.kvm.resource.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<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 : NfsStoragePool(com.cloud.hypervisor.kvm.resource.KvmHaBase.NfsStoragePool) ExecutorService(java.util.concurrent.ExecutorService) KvmHaChecker(com.cloud.hypervisor.kvm.resource.KvmHaChecker) KvmHaMonitor(com.cloud.hypervisor.kvm.resource.KvmHaMonitor) FenceAnswer(com.cloud.agent.api.FenceAnswer) ExecutionException(java.util.concurrent.ExecutionException)

Example 2 with KVMHAChecker

use of com.cloud.hypervisor.kvm.resource.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<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.agent.api.Answer) NfsStoragePool(com.cloud.hypervisor.kvm.resource.KvmHaBase.NfsStoragePool) ExecutorService(java.util.concurrent.ExecutorService) KvmHaChecker(com.cloud.hypervisor.kvm.resource.KvmHaChecker) KvmHaMonitor(com.cloud.hypervisor.kvm.resource.KvmHaMonitor) HostTO(com.cloud.agent.api.to.HostTO) NetworkTO(com.cloud.agent.api.to.NetworkTO) ExecutionException(java.util.concurrent.ExecutionException)

Example 3 with KVMHAChecker

use of com.cloud.hypervisor.kvm.resource.KVMHAChecker 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");
    }
}
Also used : Answer(com.cloud.agent.api.Answer) KVMHAChecker(com.cloud.hypervisor.kvm.resource.KVMHAChecker) KVMHAMonitor(com.cloud.hypervisor.kvm.resource.KVMHAMonitor) NfsStoragePool(com.cloud.hypervisor.kvm.resource.KVMHABase.NfsStoragePool) ExecutorService(java.util.concurrent.ExecutorService) HostTO(com.cloud.agent.api.to.HostTO) NetworkTO(com.cloud.agent.api.to.NetworkTO) ExecutionException(java.util.concurrent.ExecutionException)

Example 4 with KVMHAChecker

use of com.cloud.hypervisor.kvm.resource.KVMHAChecker 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());
    }
}
Also used : KVMHAChecker(com.cloud.hypervisor.kvm.resource.KVMHAChecker) KVMHAMonitor(com.cloud.hypervisor.kvm.resource.KVMHAMonitor) NfsStoragePool(com.cloud.hypervisor.kvm.resource.KVMHABase.NfsStoragePool) ExecutorService(java.util.concurrent.ExecutorService) FenceAnswer(com.cloud.agent.api.FenceAnswer) ExecutionException(java.util.concurrent.ExecutionException)

Aggregations

ExecutionException (java.util.concurrent.ExecutionException)4 ExecutorService (java.util.concurrent.ExecutorService)4 Answer (com.cloud.agent.api.Answer)2 FenceAnswer (com.cloud.agent.api.FenceAnswer)2 HostTO (com.cloud.agent.api.to.HostTO)2 NetworkTO (com.cloud.agent.api.to.NetworkTO)2 NfsStoragePool (com.cloud.hypervisor.kvm.resource.KVMHABase.NfsStoragePool)2 KVMHAChecker (com.cloud.hypervisor.kvm.resource.KVMHAChecker)2 KVMHAMonitor (com.cloud.hypervisor.kvm.resource.KVMHAMonitor)2 NfsStoragePool (com.cloud.hypervisor.kvm.resource.KvmHaBase.NfsStoragePool)2 KvmHaChecker (com.cloud.hypervisor.kvm.resource.KvmHaChecker)2 KvmHaMonitor (com.cloud.hypervisor.kvm.resource.KvmHaMonitor)2