Examples with DB com.cloud.utils.db.DB used on opensource projects

Example 11 with DB

use of com.cloud.utils.db.DB in project cloudstack by apache.

the class IAMServiceImpl method attachIAMPoliciesToGroup.

@DB
@Override
public IAMGroup attachIAMPoliciesToGroup(final List<Long> policyIds, final Long groupId) {
    // get the Acl Group entity
    IAMGroup group = _aclGroupDao.findById(groupId);
    if (group == null) {
        throw new InvalidParameterValueException("Unable to find acl group: " + groupId + "; failed to add roles to acl group.");
    }
    Transaction.execute(new TransactionCallbackNoReturn() {

        @Override
        public void doInTransactionWithoutResult(TransactionStatus status) {
            // add entries in acl_group_policy_map table
            for (Long policyId : policyIds) {
                IAMPolicy policy = _aclPolicyDao.findById(policyId);
                if (policy == null) {
                    throw new InvalidParameterValueException("Unable to find acl policy: " + policyId + "; failed to add policies to acl group.");
                }
                IAMGroupPolicyMapVO grMap = _aclGroupPolicyMapDao.findByGroupAndPolicy(groupId, policyId);
                if (grMap == null) {
                    // not there already
                    grMap = new IAMGroupPolicyMapVO(groupId, policyId);
                    _aclGroupPolicyMapDao.persist(grMap);
                }
            }
        }
    });
    invalidateIAMCache();
    return group;
}

Example 12 with DB

use of com.cloud.utils.db.DB in project cloudstack by apache.

the class ResourceManagerImpl method updateCluster.

@Override
@DB
public Cluster updateCluster(final Cluster clusterToUpdate, final String clusterType, final String hypervisor, final String allocationState, final String managedstate) {
    final ClusterVO cluster = (ClusterVO) clusterToUpdate;
    // Verify cluster information and update the cluster if needed
    boolean doUpdate = false;
    if (hypervisor != null && !hypervisor.isEmpty()) {
        final Hypervisor.HypervisorType hypervisorType = Hypervisor.HypervisorType.getType(hypervisor);
        if (hypervisorType == null) {
            s_logger.error("Unable to resolve " + hypervisor + " to a valid supported hypervisor type");
            throw new InvalidParameterValueException("Unable to resolve " + hypervisor + " to a supported type");
        } else {
            cluster.setHypervisorType(hypervisor);
            doUpdate = true;
        }
    }
    Cluster.ClusterType newClusterType = null;
    if (clusterType != null && !clusterType.isEmpty()) {
        try {
            newClusterType = Cluster.ClusterType.valueOf(clusterType);
        } catch (final IllegalArgumentException ex) {
            throw new InvalidParameterValueException("Unable to resolve " + clusterType + " to a supported type");
        }
        if (newClusterType == null) {
            s_logger.error("Unable to resolve " + clusterType + " to a valid supported cluster type");
            throw new InvalidParameterValueException("Unable to resolve " + clusterType + " to a supported type");
        } else {
            cluster.setClusterType(newClusterType);
            doUpdate = true;
        }
    }
    Grouping.AllocationState newAllocationState = null;
    if (allocationState != null && !allocationState.isEmpty()) {
        try {
            newAllocationState = Grouping.AllocationState.valueOf(allocationState);
        } catch (final IllegalArgumentException ex) {
            throw new InvalidParameterValueException("Unable to resolve Allocation State '" + allocationState + "' to a supported state");
        }
        if (newAllocationState == null) {
            s_logger.error("Unable to resolve " + allocationState + " to a valid supported allocation State");
            throw new InvalidParameterValueException("Unable to resolve " + allocationState + " to a supported state");
        } else {
            cluster.setAllocationState(newAllocationState);
            doUpdate = true;
        }
    }
    Managed.ManagedState newManagedState = null;
    final Managed.ManagedState oldManagedState = cluster.getManagedState();
    if (managedstate != null && !managedstate.isEmpty()) {
        try {
            newManagedState = Managed.ManagedState.valueOf(managedstate);
        } catch (final IllegalArgumentException ex) {
            throw new InvalidParameterValueException("Unable to resolve Managed State '" + managedstate + "' to a supported state");
        }
        if (newManagedState == null) {
            s_logger.error("Unable to resolve Managed State '" + managedstate + "' to a supported state");
            throw new InvalidParameterValueException("Unable to resolve Managed State '" + managedstate + "' to a supported state");
        } else {
            doUpdate = true;
        }
    }
    if (doUpdate) {
        _clusterDao.update(cluster.getId(), cluster);
    }
    if (newManagedState != null && !newManagedState.equals(oldManagedState)) {
        if (newManagedState.equals(Managed.ManagedState.Unmanaged)) {
            boolean success = false;
            try {
                cluster.setManagedState(Managed.ManagedState.PrepareUnmanaged);
                _clusterDao.update(cluster.getId(), cluster);
                List<HostVO> hosts = listAllUpAndEnabledHosts(Host.Type.Routing, cluster.getId(), cluster.getPodId(), cluster.getDataCenterId());
                for (final HostVO host : hosts) {
                    if (host.getType().equals(Host.Type.Routing) && !host.getStatus().equals(Status.Down) && !host.getStatus().equals(Status.Disconnected) && !host.getStatus().equals(Status.Up) && !host.getStatus().equals(Status.Alert)) {
                        final String msg = "host " + host.getPrivateIpAddress() + " should not be in " + host.getStatus().toString() + " status";
                        throw new CloudRuntimeException("PrepareUnmanaged Failed due to " + msg);
                    }
                }
                for (final HostVO host : hosts) {
                    if (host.getStatus().equals(Status.Up)) {
                        umanageHost(host.getId());
                    }
                }
                final int retry = 40;
                boolean lsuccess = true;
                for (int i = 0; i < retry; i++) {
                    lsuccess = true;
                    try {
                        Thread.sleep(5 * 1000);
                    } catch (final Exception e) {
                    }
                    hosts = listAllUpAndEnabledHosts(Host.Type.Routing, cluster.getId(), cluster.getPodId(), cluster.getDataCenterId());
                    for (final HostVO host : hosts) {
                        if (!host.getStatus().equals(Status.Down) && !host.getStatus().equals(Status.Disconnected) && !host.getStatus().equals(Status.Alert)) {
                            lsuccess = false;
                            break;
                        }
                    }
                    if (lsuccess == true) {
                        success = true;
                        break;
                    }
                }
                if (success == false) {
                    throw new CloudRuntimeException("PrepareUnmanaged Failed due to some hosts are still in UP status after 5 Minutes, please try later ");
                }
            } finally {
                cluster.setManagedState(success ? Managed.ManagedState.Unmanaged : Managed.ManagedState.PrepareUnmanagedError);
                _clusterDao.update(cluster.getId(), cluster);
            }
        } else if (newManagedState.equals(Managed.ManagedState.Managed)) {
            cluster.setManagedState(Managed.ManagedState.Managed);
            _clusterDao.update(cluster.getId(), cluster);
        }
    }
    return cluster;
}

Example 13 with DB

use of com.cloud.utils.db.DB in project cloudstack by apache.

the class XenserverSnapshotStrategy method takeSnapshot.

@Override
@DB
public SnapshotInfo takeSnapshot(SnapshotInfo snapshot) {
    Object payload = snapshot.getPayload();
    if (payload != null) {
        CreateSnapshotPayload createSnapshotPayload = (CreateSnapshotPayload) payload;
        if (createSnapshotPayload.getQuiescevm()) {
            throw new InvalidParameterValueException("can't handle quiescevm equal true for volume snapshot");
        }
    }
    SnapshotVO snapshotVO = snapshotDao.acquireInLockTable(snapshot.getId());
    if (snapshotVO == null) {
        throw new CloudRuntimeException("Failed to get lock on snapshot:" + snapshot.getId());
    }
    try {
        VolumeInfo volumeInfo = snapshot.getBaseVolume();
        volumeInfo.stateTransit(Volume.Event.SnapshotRequested);
        SnapshotResult result = null;
        try {
            result = snapshotSvr.takeSnapshot(snapshot);
            if (result.isFailed()) {
                s_logger.debug("Failed to take snapshot: " + result.getResult());
                throw new CloudRuntimeException(result.getResult());
            }
        } finally {
            if (result != null && result.isSuccess()) {
                volumeInfo.stateTransit(Volume.Event.OperationSucceeded);
            } else {
                volumeInfo.stateTransit(Volume.Event.OperationFailed);
            }
        }
        snapshot = result.getSnapshot();
        DataStore primaryStore = snapshot.getDataStore();
        boolean backupFlag = Boolean.parseBoolean(configDao.getValue(Config.BackupSnapshotAfterTakingSnapshot.toString()));
        SnapshotInfo backupedSnapshot;
        if (backupFlag) {
            backupedSnapshot = backupSnapshot(snapshot);
        } else {
            // Fake it to get the transitions to fire in the proper order
            s_logger.debug("skipping backup of snapshot due to configuration " + Config.BackupSnapshotAfterTakingSnapshot.toString());
            SnapshotObject snapObj = (SnapshotObject) snapshot;
            try {
                snapObj.processEvent(Snapshot.Event.OperationNotPerformed);
            } catch (NoTransitionException e) {
                s_logger.debug("Failed to change state: " + snapshot.getId() + ": " + e.toString());
                throw new CloudRuntimeException(e.toString());
            }
            backupedSnapshot = snapshot;
        }
        try {
            SnapshotInfo parent = snapshot.getParent();
            if (backupedSnapshot != null && parent != null && primaryStore instanceof PrimaryDataStoreImpl) {
                if (((PrimaryDataStoreImpl) primaryStore).getPoolType() != StoragePoolType.RBD) {
                    Long parentSnapshotId = parent.getId();
                    while (parentSnapshotId != null && parentSnapshotId != 0L) {
                        SnapshotDataStoreVO snapshotDataStoreVO = snapshotStoreDao.findByStoreSnapshot(primaryStore.getRole(), primaryStore.getId(), parentSnapshotId);
                        if (snapshotDataStoreVO != null) {
                            parentSnapshotId = snapshotDataStoreVO.getParentSnapshotId();
                            snapshotStoreDao.remove(snapshotDataStoreVO.getId());
                        } else {
                            parentSnapshotId = null;
                        }
                    }
                }
                SnapshotDataStoreVO snapshotDataStoreVO = snapshotStoreDao.findByStoreSnapshot(primaryStore.getRole(), primaryStore.getId(), snapshot.getId());
                if (snapshotDataStoreVO != null) {
                    snapshotDataStoreVO.setParentSnapshotId(0L);
                    snapshotStoreDao.update(snapshotDataStoreVO.getId(), snapshotDataStoreVO);
                }
            }
        } catch (Exception e) {
            s_logger.debug("Failed to clean up snapshots on primary storage", e);
        }
        return backupedSnapshot;
    } finally {
        if (snapshotVO != null) {
            snapshotDao.releaseFromLockTable(snapshot.getId());
        }
    }
}

Example 14 with DB

use of com.cloud.utils.db.DB in project cloudstack by apache.

the class ManagementServerImpl method updateDomain.

@Override
@DB
public DomainVO updateDomain(final UpdateDomainCmd cmd) {
    final Long domainId = cmd.getId();
    final String domainName = cmd.getDomainName();
    final String networkDomain = cmd.getNetworkDomain();
    // check if domain exists in the system
    final DomainVO domain = _domainDao.findById(domainId);
    if (domain == null) {
        final InvalidParameterValueException ex = new InvalidParameterValueException("Unable to find domain with specified domain id");
        ex.addProxyObject(domainId.toString(), "domainId");
        throw ex;
    } else if (domain.getParent() == null && domainName != null) {
        // name
        throw new InvalidParameterValueException("ROOT domain can not be edited with a new name");
    }
    final Account caller = getCaller();
    _accountMgr.checkAccess(caller, domain);
    // domain name is unique under the parent domain
    if (domainName != null) {
        final SearchCriteria<DomainVO> sc = _domainDao.createSearchCriteria();
        sc.addAnd("name", SearchCriteria.Op.EQ, domainName);
        sc.addAnd("parent", SearchCriteria.Op.EQ, domain.getParent());
        final List<DomainVO> domains = _domainDao.search(sc, null);
        final boolean sameDomain = domains.size() == 1 && domains.get(0).getId() == domainId;
        if (!domains.isEmpty() && !sameDomain) {
            final InvalidParameterValueException ex = new InvalidParameterValueException("Failed to update specified domain id with name '" + domainName + "' since it already exists in the system");
            ex.addProxyObject(domain.getUuid(), "domainId");
            throw ex;
        }
    }
    // validate network domain
    if (networkDomain != null && !networkDomain.isEmpty()) {
        if (!NetUtils.verifyDomainName(networkDomain)) {
            throw new InvalidParameterValueException("Invalid network domain. Total length shouldn't exceed 190 chars. Each domain label must be between 1 and 63 characters long, can contain ASCII letters 'a' through 'z', the digits '0' through '9', " + "and the hyphen ('-'); can't start or end with \"-\"");
        }
    }
    Transaction.execute(new TransactionCallbackNoReturn() {

        @Override
        public void doInTransactionWithoutResult(final TransactionStatus status) {
            if (domainName != null) {
                final String updatedDomainPath = getUpdatedDomainPath(domain.getPath(), domainName);
                updateDomainChildren(domain, updatedDomainPath);
                domain.setName(domainName);
                domain.setPath(updatedDomainPath);
            }
            if (networkDomain != null) {
                if (networkDomain.isEmpty()) {
                    domain.setNetworkDomain(null);
                } else {
                    domain.setNetworkDomain(networkDomain);
                }
            }
            _domainDao.update(domainId, domain);
        }
    });
    return _domainDao.findById(domainId);
}

Example 15 with DB

use of com.cloud.utils.db.DB in project cloudstack by apache.

the class NetworkServiceImpl method updateGuestNetwork.

@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_NETWORK_UPDATE, eventDescription = "updating network", async = true)
public Network updateGuestNetwork(final long networkId, String name, String displayText, Account callerAccount, User callerUser, String domainSuffix, final Long networkOfferingId, Boolean changeCidr, String guestVmCidr, Boolean displayNetwork, String customId, boolean updateInSequence, boolean forced) {
    boolean restartNetwork = false;
    // verify input parameters
    final NetworkVO network = _networksDao.findById(networkId);
    if (network == null) {
        // see NetworkVO.java
        InvalidParameterValueException ex = new InvalidParameterValueException("Specified network id doesn't exist in the system");
        ex.addProxyObject(String.valueOf(networkId), "networkId");
        throw ex;
    }
    //perform below validation if the network is vpc network
    if (network.getVpcId() != null && networkOfferingId != null) {
        Vpc vpc = _entityMgr.findById(Vpc.class, network.getVpcId());
        _vpcMgr.validateNtwkOffForNtwkInVpc(networkId, networkOfferingId, null, null, vpc, null, _accountMgr.getAccount(network.getAccountId()), network.getNetworkACLId());
    }
    // don't allow to update network in Destroy state
    if (network.getState() == Network.State.Destroy) {
        throw new InvalidParameterValueException("Don't allow to update network in state " + Network.State.Destroy);
    }
    // Don't allow to update system network
    NetworkOffering offering = _networkOfferingDao.findByIdIncludingRemoved(network.getNetworkOfferingId());
    if (offering.isSystemOnly()) {
        throw new InvalidParameterValueException("Can't update system networks");
    }
    // allow to upgrade only Guest networks
    if (network.getTrafficType() != Networks.TrafficType.Guest) {
        throw new InvalidParameterValueException("Can't allow networks which traffic type is not " + TrafficType.Guest);
    }
    _accountMgr.checkAccess(callerAccount, null, true, network);
    if (name != null) {
        network.setName(name);
    }
    if (displayText != null) {
        network.setDisplayText(displayText);
    }
    if (customId != null) {
        network.setUuid(customId);
    }
    // display flag is not null and has changed
    if (displayNetwork != null && displayNetwork != network.getDisplayNetwork()) {
        // Update resource count if it needs to be updated
        NetworkOffering networkOffering = _networkOfferingDao.findById(network.getNetworkOfferingId());
        if (_networkMgr.resourceCountNeedsUpdate(networkOffering, network.getAclType())) {
            _resourceLimitMgr.changeResourceCount(network.getAccountId(), Resource.ResourceType.network, displayNetwork);
        }
        network.setDisplayNetwork(displayNetwork);
    }
    // network offering and domain suffix can be updated for Isolated networks only in 3.0
    if ((networkOfferingId != null || domainSuffix != null) && network.getGuestType() != GuestType.Isolated) {
        throw new InvalidParameterValueException("NetworkOffering and domain suffix upgrade can be perfomed for Isolated networks only");
    }
    boolean networkOfferingChanged = false;
    final long oldNetworkOfferingId = network.getNetworkOfferingId();
    NetworkOffering oldNtwkOff = _networkOfferingDao.findByIdIncludingRemoved(oldNetworkOfferingId);
    NetworkOfferingVO networkOffering = _networkOfferingDao.findById(networkOfferingId);
    if (networkOfferingId != null) {
        if (networkOffering == null || networkOffering.isSystemOnly()) {
            InvalidParameterValueException ex = new InvalidParameterValueException("Unable to find network offering with specified id");
            ex.addProxyObject(networkOfferingId.toString(), "networkOfferingId");
            throw ex;
        }
        // network offering should be in Enabled state
        if (networkOffering.getState() != NetworkOffering.State.Enabled) {
            InvalidParameterValueException ex = new InvalidParameterValueException("Network offering with specified id is not in " + NetworkOffering.State.Enabled + " state, can't upgrade to it");
            ex.addProxyObject(networkOffering.getUuid(), "networkOfferingId");
            throw ex;
        }
        //can't update from vpc to non-vpc network offering
        boolean forVpcNew = _configMgr.isOfferingForVpc(networkOffering);
        boolean vorVpcOriginal = _configMgr.isOfferingForVpc(_entityMgr.findById(NetworkOffering.class, oldNetworkOfferingId));
        if (forVpcNew != vorVpcOriginal) {
            String errMsg = forVpcNew ? "a vpc offering " : "not a vpc offering";
            throw new InvalidParameterValueException("Can't update as the new offering is " + errMsg);
        }
        if (networkOfferingId != oldNetworkOfferingId) {
            Collection<String> newProviders = _networkMgr.finalizeServicesAndProvidersForNetwork(networkOffering, network.getPhysicalNetworkId()).values();
            Collection<String> oldProviders = _networkMgr.finalizeServicesAndProvidersForNetwork(oldNtwkOff, network.getPhysicalNetworkId()).values();
            if (providersConfiguredForExternalNetworking(newProviders) != providersConfiguredForExternalNetworking(oldProviders) && !changeCidr) {
                throw new InvalidParameterValueException("Updating network failed since guest CIDR needs to be changed!");
            }
            if (changeCidr) {
                if (!checkForNonStoppedVmInNetwork(network.getId())) {
                    InvalidParameterValueException ex = new InvalidParameterValueException("All user vm of network of specified id should be stopped before changing CIDR!");
                    ex.addProxyObject(network.getUuid(), "networkId");
                    throw ex;
                }
            }
            // check if the network is upgradable
            if (!canUpgrade(network, oldNetworkOfferingId, networkOfferingId)) {
                throw new InvalidParameterValueException("Can't upgrade from network offering " + oldNtwkOff.getUuid() + " to " + networkOffering.getUuid() + "; check logs for more information");
            }
            restartNetwork = true;
            networkOfferingChanged = true;
            //Setting the new network's isReduntant to the new network offering's RedundantRouter.
            network.setIsReduntant(_networkOfferingDao.findById(networkOfferingId).getRedundantRouter());
        }
    }
    final Map<String, String> newSvcProviders = networkOfferingChanged ? _networkMgr.finalizeServicesAndProvidersForNetwork(_entityMgr.findById(NetworkOffering.class, networkOfferingId), network.getPhysicalNetworkId()) : new HashMap<String, String>();
    // don't allow to modify network domain if the service is not supported
    if (domainSuffix != null) {
        // validate network domain
        if (!NetUtils.verifyDomainName(domainSuffix)) {
            throw new InvalidParameterValueException("Invalid network domain. Total length shouldn't exceed 190 chars. Each domain label must be between 1 and 63 characters long, can contain ASCII letters 'a' through 'z', the digits '0' through '9', " + "and the hyphen ('-'); can't start or end with \"-\"");
        }
        long offeringId = oldNetworkOfferingId;
        if (networkOfferingId != null) {
            offeringId = networkOfferingId;
        }
        Map<Network.Capability, String> dnsCapabilities = getNetworkOfferingServiceCapabilities(_entityMgr.findById(NetworkOffering.class, offeringId), Service.Dns);
        String isUpdateDnsSupported = dnsCapabilities.get(Capability.AllowDnsSuffixModification);
        if (isUpdateDnsSupported == null || !Boolean.valueOf(isUpdateDnsSupported)) {
            // TBD: use uuid instead of networkOfferingId. May need to hardcode tablename in call to addProxyObject().
            throw new InvalidParameterValueException("Domain name change is not supported by the network offering id=" + networkOfferingId);
        }
        network.setNetworkDomain(domainSuffix);
        // have to restart the network
        restartNetwork = true;
    }
    //IP reservation checks
    // allow reservation only to Isolated Guest networks
    DataCenter dc = _dcDao.findById(network.getDataCenterId());
    String networkCidr = network.getNetworkCidr();
    if (guestVmCidr != null) {
        if (dc.getNetworkType() == NetworkType.Basic) {
            throw new InvalidParameterValueException("Guest VM CIDR can't be specified for zone with " + NetworkType.Basic + " networking");
        }
        if (network.getGuestType() != GuestType.Isolated) {
            throw new InvalidParameterValueException("Can only allow IP Reservation in networks with guest type " + GuestType.Isolated);
        }
        if (networkOfferingChanged == true) {
            throw new InvalidParameterValueException("Cannot specify this nework offering change and guestVmCidr at same time. Specify only one.");
        }
        if (!(network.getState() == Network.State.Implemented)) {
            throw new InvalidParameterValueException("The network must be in " + Network.State.Implemented + " state. IP Reservation cannot be applied in " + network.getState() + " state");
        }
        if (!NetUtils.isValidCIDR(guestVmCidr)) {
            throw new InvalidParameterValueException("Invalid format of Guest VM CIDR.");
        }
        if (!NetUtils.validateGuestCidr(guestVmCidr)) {
            throw new InvalidParameterValueException("Invalid format of Guest VM CIDR. Make sure it is RFC1918 compliant. ");
        }
        // But in case networkCidr is a non null value (IP reservation already exists), it implies network cidr is networkCidr
        if (networkCidr != null) {
            if (!NetUtils.isNetworkAWithinNetworkB(guestVmCidr, networkCidr)) {
                throw new InvalidParameterValueException("Invalid value of Guest VM CIDR. For IP Reservation, Guest VM CIDR  should be a subset of network CIDR : " + networkCidr);
            }
        } else {
            if (!NetUtils.isNetworkAWithinNetworkB(guestVmCidr, network.getCidr())) {
                throw new InvalidParameterValueException("Invalid value of Guest VM CIDR. For IP Reservation, Guest VM CIDR  should be a subset of network CIDR :  " + network.getCidr());
            }
        }
        // This check makes sure there are no active IPs existing outside the guestVmCidr in the network
        String[] guestVmCidrPair = guestVmCidr.split("\\/");
        Long size = Long.valueOf(guestVmCidrPair[1]);
        List<NicVO> nicsPresent = _nicDao.listByNetworkId(networkId);
        String[] cidrIpRange = NetUtils.getIpRangeFromCidr(guestVmCidrPair[0], size);
        s_logger.info("The start IP of the specified guest vm cidr is: " + cidrIpRange[0] + " and end IP is: " + cidrIpRange[1]);
        long startIp = NetUtils.ip2Long(cidrIpRange[0]);
        long endIp = NetUtils.ip2Long(cidrIpRange[1]);
        long range = endIp - startIp + 1;
        s_logger.info("The specified guest vm cidr has " + range + " IPs");
        for (NicVO nic : nicsPresent) {
            long nicIp = NetUtils.ip2Long(nic.getIPv4Address());
            //check if nic IP is outside the guest vm cidr
            if (nicIp < startIp || nicIp > endIp) {
                if (!(nic.getState() == Nic.State.Deallocating)) {
                    throw new InvalidParameterValueException("Active IPs like " + nic.getIPv4Address() + " exist outside the Guest VM CIDR. Cannot apply reservation ");
                }
            }
        }
        // the IP ranges exactly matches, in these special cases make sure no Reservation gets applied
        if (network.getNetworkCidr() == null) {
            if (NetUtils.isSameIpRange(guestVmCidr, network.getCidr()) && !guestVmCidr.equals(network.getCidr())) {
                throw new InvalidParameterValueException("The Start IP and End IP of guestvmcidr: " + guestVmCidr + " and CIDR: " + network.getCidr() + " are same, " + "even though both the cidrs appear to be different. As a precaution no IP Reservation will be applied.");
            }
        } else {
            if (NetUtils.isSameIpRange(guestVmCidr, network.getNetworkCidr()) && !guestVmCidr.equals(network.getNetworkCidr())) {
                throw new InvalidParameterValueException("The Start IP and End IP of guestvmcidr: " + guestVmCidr + " and Network CIDR: " + network.getNetworkCidr() + " are same, " + "even though both the cidrs appear to be different. As a precaution IP Reservation will not be affected. If you want to reset IP Reservation, " + "specify guestVmCidr to be: " + network.getNetworkCidr());
            }
        }
        // Populate it with the actual network cidr
        if (network.getNetworkCidr() == null) {
            network.setNetworkCidr(network.getCidr());
        }
        // Condition for IP Reservation reset : guestVmCidr and network CIDR are same
        if (network.getNetworkCidr().equals(guestVmCidr)) {
            s_logger.warn("Guest VM CIDR and Network CIDR both are same, reservation will reset.");
            network.setNetworkCidr(null);
        }
        // Finally update "cidr" with the guestVmCidr
        // which becomes the effective address space for CloudStack guest VMs
        network.setCidr(guestVmCidr);
        _networksDao.update(networkId, network);
        s_logger.info("IP Reservation has been applied. The new CIDR for Guests Vms is " + guestVmCidr);
    }
    ReservationContext context = new ReservationContextImpl(null, null, callerUser, callerAccount);
    // 1) Shutdown all the elements and cleanup all the rules. Don't allow to shutdown network in intermediate
    // states - Shutdown and Implementing
    int resourceCount = 1;
    if (updateInSequence && restartNetwork && _networkOfferingDao.findById(network.getNetworkOfferingId()).getRedundantRouter() && (networkOfferingId == null || _networkOfferingDao.findById(networkOfferingId).getRedundantRouter()) && network.getVpcId() == null) {
        _networkMgr.canUpdateInSequence(network, forced);
        NetworkDetailVO networkDetail = new NetworkDetailVO(network.getId(), Network.updatingInSequence, "true", true);
        _networkDetailsDao.persist(networkDetail);
        _networkMgr.configureUpdateInSequence(network);
        resourceCount = _networkMgr.getResourceCount(network);
    }
    List<String> servicesNotInNewOffering = null;
    if (networkOfferingId != null)
        servicesNotInNewOffering = _networkMgr.getServicesNotSupportedInNewOffering(network, networkOfferingId);
    if (!forced && servicesNotInNewOffering != null && !servicesNotInNewOffering.isEmpty()) {
        NetworkOfferingVO newOffering = _networkOfferingDao.findById(networkOfferingId);
        throw new CloudRuntimeException("The new offering:" + newOffering.getUniqueName() + " will remove the following services " + servicesNotInNewOffering + "along with all the related configuration currently in use. will not proceed with the network update." + "set forced parameter to true for forcing an update.");
    }
    try {
        if (servicesNotInNewOffering != null && !servicesNotInNewOffering.isEmpty()) {
            _networkMgr.cleanupConfigForServicesInNetwork(servicesNotInNewOffering, network);
        }
    } catch (Throwable e) {
        s_logger.debug("failed to cleanup config related to unused services error:" + e.getMessage());
    }
    boolean validStateToShutdown = (network.getState() == Network.State.Implemented || network.getState() == Network.State.Setup || network.getState() == Network.State.Allocated);
    try {
        do {
            if (restartNetwork) {
                if (validStateToShutdown) {
                    if (!changeCidr) {
                        s_logger.debug("Shutting down elements and resources for network id=" + networkId + " as a part of network update");
                        if (!_networkMgr.shutdownNetworkElementsAndResources(context, true, network)) {
                            s_logger.warn("Failed to shutdown the network elements and resources as a part of network restart: " + network);
                            CloudRuntimeException ex = new CloudRuntimeException("Failed to shutdown the network elements and resources as a part of update to network of specified id");
                            ex.addProxyObject(network.getUuid(), "networkId");
                            throw ex;
                        }
                    } else {
                        // We need to shutdown the network, since we want to re-implement the network.
                        s_logger.debug("Shutting down network id=" + networkId + " as a part of network update");
                        //check if network has reservation
                        if (NetUtils.isNetworkAWithinNetworkB(network.getCidr(), network.getNetworkCidr())) {
                            s_logger.warn("Existing IP reservation will become ineffective for the network with id =  " + networkId + " You need to reapply reservation after network reimplementation.");
                            //set cidr to the newtork cidr
                            network.setCidr(network.getNetworkCidr());
                            //set networkCidr to null to bring network back to no IP reservation state
                            network.setNetworkCidr(null);
                        }
                        if (!_networkMgr.shutdownNetwork(network.getId(), context, true)) {
                            s_logger.warn("Failed to shutdown the network as a part of update to network with specified id");
                            CloudRuntimeException ex = new CloudRuntimeException("Failed to shutdown the network as a part of update of specified network id");
                            ex.addProxyObject(network.getUuid(), "networkId");
                            throw ex;
                        }
                    }
                } else {
                    CloudRuntimeException ex = new CloudRuntimeException("Failed to shutdown the network elements and resources as a part of update to network with specified id; network is in wrong state: " + network.getState());
                    ex.addProxyObject(network.getUuid(), "networkId");
                    throw ex;
                }
            }
            // 2) Only after all the elements and rules are shutdown properly, update the network VO
            // get updated network
            Network.State networkState = _networksDao.findById(networkId).getState();
            boolean validStateToImplement = (networkState == Network.State.Implemented || networkState == Network.State.Setup || networkState == Network.State.Allocated);
            if (restartNetwork && !validStateToImplement) {
                CloudRuntimeException ex = new CloudRuntimeException("Failed to implement the network elements and resources as a part of update to network with specified id; network is in wrong state: " + networkState);
                ex.addProxyObject(network.getUuid(), "networkId");
                throw ex;
            }
            if (networkOfferingId != null) {
                if (networkOfferingChanged) {
                    Transaction.execute(new TransactionCallbackNoReturn() {

                        @Override
                        public void doInTransactionWithoutResult(TransactionStatus status) {
                            network.setNetworkOfferingId(networkOfferingId);
                            _networksDao.update(networkId, network, newSvcProviders);
                            // get all nics using this network
                            // log remove usage events for old offering
                            // log assign usage events for new offering
                            List<NicVO> nics = _nicDao.listByNetworkId(networkId);
                            for (NicVO nic : nics) {
                                long vmId = nic.getInstanceId();
                                VMInstanceVO vm = _vmDao.findById(vmId);
                                if (vm == null) {
                                    s_logger.error("Vm for nic " + nic.getId() + " not found with Vm Id:" + vmId);
                                    continue;
                                }
                                long isDefault = (nic.isDefaultNic()) ? 1 : 0;
                                String nicIdString = Long.toString(nic.getId());
                                UsageEventUtils.publishUsageEvent(EventTypes.EVENT_NETWORK_OFFERING_REMOVE, vm.getAccountId(), vm.getDataCenterId(), vm.getId(), nicIdString, oldNetworkOfferingId, null, isDefault, VirtualMachine.class.getName(), vm.getUuid(), vm.isDisplay());
                                UsageEventUtils.publishUsageEvent(EventTypes.EVENT_NETWORK_OFFERING_ASSIGN, vm.getAccountId(), vm.getDataCenterId(), vm.getId(), nicIdString, networkOfferingId, null, isDefault, VirtualMachine.class.getName(), vm.getUuid(), vm.isDisplay());
                            }
                        }
                    });
                } else {
                    network.setNetworkOfferingId(networkOfferingId);
                    _networksDao.update(networkId, network, _networkMgr.finalizeServicesAndProvidersForNetwork(_entityMgr.findById(NetworkOffering.class, networkOfferingId), network.getPhysicalNetworkId()));
                }
            } else {
                _networksDao.update(networkId, network);
            }
            // 3) Implement the elements and rules again
            if (restartNetwork) {
                if (network.getState() != Network.State.Allocated) {
                    DeployDestination dest = new DeployDestination(_dcDao.findById(network.getDataCenterId()), null, null, null);
                    s_logger.debug("Implementing the network " + network + " elements and resources as a part of network update");
                    try {
                        if (!changeCidr) {
                            _networkMgr.implementNetworkElementsAndResources(dest, context, network, _networkOfferingDao.findById(network.getNetworkOfferingId()));
                        } else {
                            _networkMgr.implementNetwork(network.getId(), dest, context);
                        }
                    } catch (Exception ex) {
                        s_logger.warn("Failed to implement network " + network + " elements and resources as a part of network update due to ", ex);
                        CloudRuntimeException e = new CloudRuntimeException("Failed to implement network (with specified id) elements and resources as a part of network update");
                        e.addProxyObject(network.getUuid(), "networkId");
                        throw e;
                    }
                }
            }
            // implement the network if its not already
            if (networkOfferingChanged && !oldNtwkOff.getIsPersistent() && networkOffering.getIsPersistent()) {
                if (network.getState() == Network.State.Allocated) {
                    try {
                        DeployDestination dest = new DeployDestination(_dcDao.findById(network.getDataCenterId()), null, null, null);
                        _networkMgr.implementNetwork(network.getId(), dest, context);
                    } catch (Exception ex) {
                        s_logger.warn("Failed to implement network " + network + " elements and resources as a part o" + "f network update due to ", ex);
                        CloudRuntimeException e = new CloudRuntimeException("Failed to implement network (with specified" + " id) elements and resources as a part of network update");
                        e.addProxyObject(network.getUuid(), "networkId");
                        throw e;
                    }
                }
            }
            resourceCount--;
        } while (updateInSequence && resourceCount > 0);
    } catch (Exception exception) {
        if (updateInSequence)
            _networkMgr.finalizeUpdateInSequence(network, false);
        throw new CloudRuntimeException("failed to update network " + network.getUuid() + " due to " + exception.getMessage());
    } finally {
        if (updateInSequence) {
            if (_networkDetailsDao.findDetail(networkId, Network.updatingInSequence) != null) {
                _networkDetailsDao.removeDetail(networkId, Network.updatingInSequence);
            }
        }
    }
    return getNetwork(network.getId());
}