Examples with Networks com.cloud.network.Networks used on opensource projects

Example 1 with Networks

use of com.cloud.network.Networks 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;
}