/**
* Invoked to create the specified Neutron Network.
*
* @param network An instance of new Neutron Network object.
* @return A HTTP status code to the creation request.
*/
private int createNetwork(NeutronNetwork network) throws IOException {
VirtualNetwork virtualNetwork = null;
String networkUUID = null;
try {
networkUUID = UUID.fromString(network.getNetworkUUID()).toString();
} catch (Exception ex) {
LOGGER.error("networkUUID input incorrect", ex);
return HttpURLConnection.HTTP_BAD_REQUEST;
}
virtualNetwork = (VirtualNetwork) apiConnector.findById(VirtualNetwork.class, networkUUID);
if (virtualNetwork != null) {
LOGGER.warn("Network already exists..");
return HttpURLConnection.HTTP_FORBIDDEN;
}
virtualNetwork = new VirtualNetwork();
// map neutronNetwork to virtualNetwork
virtualNetwork = mapNetworkProperties(network, virtualNetwork);
boolean networkCreated = apiConnector.create(virtualNetwork);
LOGGER.debug("networkCreated: " + networkCreated);
if (!networkCreated) {
LOGGER.warn("Network creation failed..");
return HttpURLConnection.HTTP_INTERNAL_ERROR;
}
LOGGER.info(
"Network : "
+ virtualNetwork.getName()
+ " having UUID : "
+ virtualNetwork.getUuid()
+ " sucessfully created...");
return HttpURLConnection.HTTP_OK;
}
/**
* Invoked when a network deletion is requested to indicate if the specified network can be
* deleted.
*
* @param network An instance of the Neutron Network object to be deleted.
* @return A HTTP status code to the deletion request.
*/
@Override
public int canDeleteNetwork(NeutronNetwork network) {
apiConnector = Activator.apiConnector;
VirtualNetwork virtualNetwork = null;
try {
virtualNetwork =
(VirtualNetwork) apiConnector.findById(VirtualNetwork.class, network.getNetworkUUID());
if (virtualNetwork != null) {
if (virtualNetwork.getVirtualMachineInterfaceBackRefs() != null) {
LOGGER.info(
"Network with UUID : "
+ network.getNetworkUUID()
+ " cannot be deleted as it has port(s) associated with it....");
return HttpURLConnection.HTTP_FORBIDDEN;
} else {
apiConnector.delete(virtualNetwork);
LOGGER.info(
"Network with UUID : "
+ network.getNetworkUUID()
+ " has been deleted successfully....");
return HttpURLConnection.HTTP_OK;
}
} else {
LOGGER.info("No Network exists with UUID : " + network.getNetworkUUID());
return HttpURLConnection.HTTP_BAD_REQUEST;
}
} catch (Exception e) {
LOGGER.error("Exception : " + e);
return HttpURLConnection.HTTP_INTERNAL_ERROR;
}
}
/**
* Invoked when a network update is requested to indicate if the specified network can be changed
* using the specified delta.
*
* @param delta Updates to the network object using patch semantics.
* @param original An instance of the Neutron Network object to be updated.
* @return A HTTP status code to the update request.
*/
@Override
public int canUpdateNetwork(NeutronNetwork deltaNetwork, NeutronNetwork originalNetwork) {
VirtualNetwork virtualnetwork = new VirtualNetwork();
apiConnector = Activator.apiConnector;
if (deltaNetwork == null || originalNetwork == null) {
LOGGER.error("Neutron Networks can't be null..");
return HttpURLConnection.HTTP_BAD_REQUEST;
}
if (("").equals(deltaNetwork.getNetworkName())) {
LOGGER.error("Neutron Networks name can't be empty..");
return HttpURLConnection.HTTP_BAD_REQUEST;
}
try {
virtualnetwork =
(VirtualNetwork)
apiConnector.findById(VirtualNetwork.class, originalNetwork.getNetworkUUID());
} catch (IOException e) {
LOGGER.error("Exception : " + e);
return HttpURLConnection.HTTP_INTERNAL_ERROR;
}
if (virtualnetwork == null) {
LOGGER.error("No network exists for the specified UUID...");
return HttpURLConnection.HTTP_FORBIDDEN;
} else {
try {
return updateNetwork(deltaNetwork, virtualnetwork);
} catch (IOException ie) {
LOGGER.error("IOException: " + ie);
return HttpURLConnection.HTTP_INTERNAL_ERROR;
} catch (Exception e) {
LOGGER.error("Exception: " + e);
return HttpURLConnection.HTTP_INTERNAL_ERROR;
}
}
}
/**
* Invoked to take action after a network has been created.
*
* @param network An instance of new Neutron Network object.
*/
@Override
public void neutronNetworkCreated(NeutronNetwork network) {
VirtualNetwork virtualNetwork = null;
try {
virtualNetwork =
(VirtualNetwork) apiConnector.findById(VirtualNetwork.class, network.getNetworkUUID());
if (virtualNetwork != null) {
LOGGER.info("Network creation verified....");
}
} catch (Exception e) {
LOGGER.error("Exception : " + e);
}
}
/**
* Invoked to take action after a network has been updated.
*
* @param network An instance of modified Neutron Network object.
*/
@Override
public void neutronNetworkUpdated(NeutronNetwork network) {
try {
VirtualNetwork virtualnetwork = new VirtualNetwork();
virtualnetwork =
(VirtualNetwork) apiConnector.findById(VirtualNetwork.class, network.getNetworkUUID());
if (network.getNetworkName().equalsIgnoreCase(virtualnetwork.getDisplayName())) {
LOGGER.info("Network updatation verified....");
} else {
LOGGER.info("Network updatation failed....");
}
} catch (Exception e) {
LOGGER.error("Exception :" + e);
}
}
/**
* Invoked to update the network
*
* @param delta_network An instance of Network.
* @param virtualNetwork An instance of new virtualNetwork object.
* @return A HTTP status code to the creation request.
*/
private int updateNetwork(NeutronNetwork deltaNetwork, VirtualNetwork virtualNetwork)
throws IOException {
String networkName = deltaNetwork.getNetworkName();
virtualNetwork.setName(networkName);
virtualNetwork.setDisplayName(networkName);
{
boolean networkUpdate = apiConnector.update(virtualNetwork);
if (!networkUpdate) {
LOGGER.warn("Network Updation failed..");
return HttpURLConnection.HTTP_INTERNAL_ERROR;
}
LOGGER.info(
"Network having UUID : "
+ virtualNetwork.getUuid()
+ " has been sucessfully updated...");
return HttpURLConnection.HTTP_OK;
}
}