Examples with Status com.cloud.host.Status used on opensource projects

Example 11 with Status

use of com.cloud.host.Status in project cosmic by MissionCriticalCloud.

the class NetworkOrchestrator method destroyNetwork.

@Override
@DB
public boolean destroyNetwork(final long networkId, final ReservationContext context, final boolean forced) {
    final Account callerAccount = context.getAccount();
    NetworkVO network = _networksDao.findById(networkId);
    if (network == null) {
        s_logger.debug("Unable to find network with id: " + networkId);
        return false;
    }
    // Make sure that there are no user vms in the network that are not Expunged/Error
    final List<UserVmVO> userVms = _userVmDao.listByNetworkIdAndStates(networkId);
    for (final UserVmVO vm : userVms) {
        if (!(vm.getState() == VirtualMachine.State.Expunging && vm.getRemoved() != null)) {
            s_logger.warn("Can't delete the network, not all user vms are expunged. Vm " + vm + " is in " + vm.getState() + " state");
            return false;
        }
    }
    // Don't allow to delete network via api call when it has vms assigned to it
    final int nicCount = getActiveNicsInNetwork(networkId);
    if (nicCount > 0) {
        s_logger.debug("The network id=" + networkId + " has active Nics, but shouldn't.");
        // at this point we have already determined that there are no active user vms in network
        // if the op_networks table shows active nics, it's a bug in releasing nics updating op_networks
        _networksDao.changeActiveNicsBy(networkId, -1 * nicCount);
    }
    // In Basic zone, make sure that there are no non-removed console proxies and SSVMs using the network
    final Zone zone = _zoneRepository.findOne(network.getDataCenterId());
    if (zone.getNetworkType() == com.cloud.model.enumeration.NetworkType.Basic) {
        final List<VMInstanceVO> systemVms = _vmDao.listNonRemovedVmsByTypeAndNetwork(network.getId(), Type.ConsoleProxy, Type.SecondaryStorageVm);
        if (systemVms != null && !systemVms.isEmpty()) {
            s_logger.warn("Can't delete the network, not all consoleProxy/secondaryStorage vms are expunged");
            return false;
        }
    }
    // Shutdown network first
    shutdownNetwork(networkId, context, false);
    // get updated state for the network
    network = _networksDao.findById(networkId);
    if (network.getState() != Network.State.Allocated && network.getState() != Network.State.Setup && !forced) {
        s_logger.debug("Network is not not in the correct state to be destroyed: " + network.getState());
        return false;
    }
    boolean success = true;
    if (!cleanupNetworkResources(networkId, callerAccount, context.getCaller().getId())) {
        s_logger.warn("Unable to delete network id=" + networkId + ": failed to cleanup network resources");
        return false;
    }
    // get providers to destroy
    final List<Provider> providersToDestroy = getNetworkProviders(network.getId());
    for (final NetworkElement element : networkElements) {
        if (providersToDestroy.contains(element.getProvider())) {
            try {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("Sending destroy to " + element);
                }
                if (!element.destroy(network, context)) {
                    success = false;
                    s_logger.warn("Unable to complete destroy of the network: failed to destroy network element " + element.getName());
                }
            } catch (final ResourceUnavailableException e) {
                s_logger.warn("Unable to complete destroy of the network due to element: " + element.getName(), e);
                success = false;
            } catch (final ConcurrentOperationException e) {
                s_logger.warn("Unable to complete destroy of the network due to element: " + element.getName(), e);
                success = false;
            } catch (final Exception e) {
                s_logger.warn("Unable to complete destroy of the network due to element: " + element.getName(), e);
                success = false;
            }
        }
    }
    if (success) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Network id=" + networkId + " is destroyed successfully, cleaning up corresponding resources now.");
        }
        final NetworkVO networkFinal = network;
        try {
            Transaction.execute(new TransactionCallbackNoReturn() {

                @Override
                public void doInTransactionWithoutResult(final TransactionStatus status) {
                    final NetworkGuru guru = AdapterBase.getAdapterByName(networkGurus, networkFinal.getGuruName());
                    // Deleting sync networks
                    final List<NetworkVO> syncNetworks = _networksDao.listSyncNetworksByRelatedNetwork(networkId);
                    syncNetworks.forEach(syncNetwork -> removeAndShutdownSyncNetwork(syncNetwork.getId()));
                    guru.trash(networkFinal, _networkOfferingDao.findById(networkFinal.getNetworkOfferingId()));
                    if (!deleteVlansInNetwork(networkFinal.getId(), context.getCaller().getId(), callerAccount)) {
                        s_logger.warn("Failed to delete network " + networkFinal + "; was unable to cleanup corresponding ip ranges");
                        throw new CloudRuntimeException("Failed to delete network " + networkFinal + "; was unable to cleanup corresponding ip ranges");
                    } else {
                        // commit transaction only when ips and vlans for the network are released successfully
                        try {
                            stateTransitTo(networkFinal, Event.DestroyNetwork);
                        } catch (final NoTransitionException e) {
                            s_logger.debug(e.getMessage());
                        }
                        if (_networksDao.remove(networkFinal.getId())) {
                            final NetworkDomainVO networkDomain = _networkDomainDao.getDomainNetworkMapByNetworkId(networkFinal.getId());
                            if (networkDomain != null) {
                                _networkDomainDao.remove(networkDomain.getId());
                            }
                            final NetworkAccountVO networkAccount = _networkAccountDao.getAccountNetworkMapByNetworkId(networkFinal.getId());
                            if (networkAccount != null) {
                                _networkAccountDao.remove(networkAccount.getId());
                            }
                        }
                        final NetworkOffering ntwkOff = _entityMgr.findById(NetworkOffering.class, networkFinal.getNetworkOfferingId());
                        final boolean updateResourceCount = resourceCountNeedsUpdate(ntwkOff, networkFinal.getAclType());
                        if (updateResourceCount) {
                            _resourceLimitMgr.decrementResourceCount(networkFinal.getAccountId(), ResourceType.network, networkFinal.getDisplayNetwork());
                        }
                    }
                }
            });
            if (_networksDao.findById(network.getId()) == null) {
                // remove its related ACL permission
                final Pair<Class<?>, Long> networkMsg = new Pair<>(Network.class, networkFinal.getId());
                _messageBus.publish(_name, EntityManager.MESSAGE_REMOVE_ENTITY_EVENT, PublishScope.LOCAL, networkMsg);
            }
            return true;
        } catch (final CloudRuntimeException e) {
            s_logger.error("Failed to delete network", e);
            return false;
        }
    }
    return success;
}

Example 12 with Status

use of com.cloud.host.Status in project cosmic by MissionCriticalCloud.

the class CheckOnHostCommandTest method testGetState.

@Test
public void testGetState() {
    final Status s = host.getState();
    assertTrue(s == Status.Up);
}

Example 13 with Status

use of com.cloud.host.Status in project cosmic by MissionCriticalCloud.

the class HighAvailabilityManagerImpl method investigate.

@Override
public Status investigate(final long hostId) {
    final HostVO host = _hostDao.findById(hostId);
    if (host == null) {
        return Status.Alert;
    }
    Status hostState = null;
    for (final Investigator investigator : investigators) {
        hostState = investigator.isAgentAlive(host);
        if (hostState != null) {
            if (s_logger.isDebugEnabled()) {
                s_logger.debug(investigator.getName() + " was able to determine host " + hostId + " is in " + hostState.toString());
            }
            return hostState;
        }
        if (s_logger.isDebugEnabled()) {
            s_logger.debug(investigator.getName() + " unable to determine the state of the host.  Moving on.");
        }
    }
    return hostState;
}

Example 14 with Status

use of com.cloud.host.Status in project cosmic by MissionCriticalCloud.

the class ManagementIPSystemVMInvestigator method isVmAlive.

@Override
public boolean isVmAlive(final VirtualMachine vm, final Host host) throws UnknownVM {
    if (!vm.getType().isUsedBySystem()) {
        s_logger.debug("Not a System Vm, unable to determine state of " + vm + " returning null");
    }
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("Testing if " + vm + " is alive");
    }
    if (vm.getHostId() == null) {
        s_logger.debug("There's no host id for " + vm);
        throw new UnknownVM();
    }
    final HostVO vmHost = _hostDao.findById(vm.getHostId());
    if (vmHost == null) {
        s_logger.debug("Unable to retrieve the host by using id " + vm.getHostId());
        throw new UnknownVM();
    }
    final List<? extends Nic> nics = _networkMgr.getNicsForTraffic(vm.getId(), TrafficType.Management);
    if (nics.size() == 0) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Unable to find a management nic, cannot ping this system VM, unable to determine state of " + vm + " returning null");
        }
        throw new UnknownVM();
    }
    for (final Nic nic : nics) {
        if (nic.getIPv4Address() == null) {
            continue;
        }
        // get the data center IP address, find a host on the pod, use that host to ping the data center IP address
        final List<Long> otherHosts = findHostByPod(vmHost.getPodId(), vm.getHostId());
        for (final Long otherHost : otherHosts) {
            final Status vmState = testIpAddress(otherHost, nic.getIPv4Address());
            assert vmState != null;
            // In case of Status.Unknown, next host will be tried
            if (vmState == Status.Up) {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("successfully pinged vm's private IP (" + vm.getPrivateIpAddress() + "), returning that the VM is up");
                }
                return Boolean.TRUE;
            } else if (vmState == Status.Down) {
                // We can't ping the VM directly...if we can ping the host, then report the VM down.
                // If we can't ping the host, then we don't have enough information.
                final Status vmHostState = testIpAddress(otherHost, vmHost.getPrivateIpAddress());
                assert vmHostState != null;
                if (vmHostState == Status.Up) {
                    if (s_logger.isDebugEnabled()) {
                        s_logger.debug("successfully pinged vm's host IP (" + vmHost.getPrivateIpAddress() + "), but could not ping VM, returning that the VM is down");
                    }
                    return Boolean.FALSE;
                }
            }
        }
    }
    if (s_logger.isDebugEnabled()) {
        s_logger.debug("unable to determine state of " + vm + " returning null");
    }
    throw new UnknownVM();
}

Example 15 with Status

use of com.cloud.host.Status in project cosmic by MissionCriticalCloud.

the class AgentManagerImpl method handleDisconnectWithInvestigation.

protected boolean handleDisconnectWithInvestigation(final AgentAttache attache, Status.Event event) {
    final long hostId = attache.getId();
    HostVO host = _hostDao.findById(hostId);
    if (host != null) {
        Status nextStatus = null;
        try {
            nextStatus = host.getStatus().getNextStatus(event);
        } catch (final NoTransitionException ne) {
            /*
                 * Agent may be currently in status of Down, Alert, Removed, namely there is no next status for some events. Why this can happen? Ask God not me. I hate there was
                 * no piece of comment for code handling race condition. God knew what race condition the code dealt with!
                 */
            s_logger.debug("Caught exception while getting agent's next status", ne);
        }
        if (nextStatus == Status.Alert) {
            /* OK, we are going to the bad status, let's see what happened */
            s_logger.info("Investigating why host " + hostId + " has disconnected with event " + event);
            Status determinedState = investigate(attache);
            // if state cannot be determined do nothing and bail out
            if (determinedState == null) {
                if ((System.currentTimeMillis() >> 10) - host.getLastPinged() > AlertWait.value()) {
                    s_logger.warn("Agent " + hostId + " state cannot be determined for more than " + AlertWait + "(" + AlertWait.value() + ") seconds, will go to Alert state");
                    determinedState = Status.Alert;
                } else {
                    s_logger.warn("Agent " + hostId + " state cannot be determined, do nothing");
                    return false;
                }
            }
            final Status currentStatus = host.getStatus();
            s_logger.info("The agent from host " + hostId + " state determined is " + determinedState);
            if (determinedState == Status.Down) {
                final String message = "Host is down: " + host.getId() + "-" + host.getName() + ". Starting HA on the VMs";
                s_logger.error(message);
                if (host.getType() != Host.Type.SecondaryStorage && host.getType() != Host.Type.ConsoleProxy) {
                    _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, host.getDataCenterId(), host.getPodId(), "Host down, " + host.getId(), message);
                }
                event = Status.Event.HostDown;
            } else if (determinedState == Status.Up) {
                /* Got ping response from host, bring it back */
                s_logger.info("Agent is determined to be up and running");
                agentStatusTransitTo(host, Status.Event.Ping, _nodeId);
                return false;
            } else if (determinedState == Status.Disconnected) {
                s_logger.warn("Agent is disconnected but the host is still up: " + host.getId() + "-" + host.getName());
                if (currentStatus == Status.Disconnected) {
                    if ((System.currentTimeMillis() >> 10) - host.getLastPinged() > AlertWait.value()) {
                        s_logger.warn("Host " + host.getId() + " has been disconnected past the wait time it should be disconnected.");
                        event = Status.Event.WaitedTooLong;
                    } else {
                        s_logger.debug("Host " + host.getId() + " has been determined to be disconnected but it hasn't passed the wait time yet.");
                        return false;
                    }
                } else if (currentStatus == Status.Up) {
                    final Zone zone = _zoneRepository.findOne(host.getDataCenterId());
                    final HostPodVO podVO = _podDao.findById(host.getPodId());
                    final String hostDesc = "name: " + host.getName() + " (id:" + host.getId() + "), availability zone: " + zone.getName() + ", pod: " + podVO.getName();
                    if (host.getType() != Host.Type.SecondaryStorage && host.getType() != Host.Type.ConsoleProxy) {
                        _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, host.getDataCenterId(), host.getPodId(), "Host disconnected, " + hostDesc, "If the agent for host [" + hostDesc + "] is not restarted within " + AlertWait + " seconds, host will go to Alert state");
                    }
                    event = Status.Event.AgentDisconnected;
                }
            } else {
                // if we end up here we are in alert state, send an alert
                final Zone zone = _zoneRepository.findOne(host.getDataCenterId());
                final HostPodVO podVO = _podDao.findById(host.getPodId());
                final String podName = podVO != null ? podVO.getName() : "NO POD";
                final String hostDesc = "name: " + host.getName() + " (id:" + host.getId() + "), availability zone: " + zone.getName() + ", pod: " + podName;
                _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, host.getDataCenterId(), host.getPodId(), "Host in ALERT state, " + hostDesc, "In availability zone " + host.getDataCenterId() + ", host is in alert state: " + host.getId() + "-" + host.getName());
            }
        } else {
            s_logger.debug("The next status of agent " + host.getId() + " is not Alert, no need to investigate what happened");
        }
    }
    handleDisconnectWithoutInvestigation(attache, event, true, true);
    // Maybe the host magically reappeared?
    host = _hostDao.findById(hostId);
    if (host != null && host.getStatus() == Status.Down) {
        _haMgr.scheduleRestartForVmsOnHost(host, true);
    }
    return true;
}