[ONOS-6982] Implement OpenStackNetworking UI Service
- This implements the UI service for OpenStack Netwrorking App
- When mouse is over host or device, based on VNI,the UI highlights related hosts, links and devices
- The UI also supports flow trace functionality
Change-Id: I1944f3237cc112ed5c5e0d19351759cc66145881
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackLink.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackLink.java
new file mode 100644
index 0000000..7da4402
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackLink.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui;
+
+import org.onosproject.net.Link;
+import org.onosproject.net.LinkKey;
+
+import org.onosproject.ui.topo.BiLink;
+import org.onosproject.ui.topo.LinkHighlight;
+import org.onosproject.ui.topo.Mod;
+
+import java.util.Objects;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static org.onosproject.ui.topo.LinkHighlight.Flavor.SECONDARY_HIGHLIGHT;
+
+/**
+ * Link for OpenStack Networking UI service.
+ */
+public class OpenstackLink extends BiLink {
+
+ private static final Mod PORT_TRAFFIC_GREEN = new Mod("port-traffic-green");
+ private static final Mod PORT_TRAFFIC_ORANGE = new Mod("port-traffic-orange");
+
+ public OpenstackLink(LinkKey key, Link link) {
+ super(key, link);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof OpenstackLink) {
+ OpenstackLink that = (OpenstackLink) obj;
+ if (Objects.equals(linkId(), that.linkId())) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(linkId());
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(this)
+ .add("linkId", linkId())
+ .add("link src", one().src().deviceId())
+ .add("link dst", one().dst().deviceId())
+ .toString();
+ }
+
+ @Override
+ public LinkHighlight highlight(Enum<?> type) {
+ RequestType requestType = (RequestType) type;
+
+ Mod m = null;
+
+ switch (requestType) {
+ case HOST_SELECTED:
+ m = PORT_TRAFFIC_GREEN;
+ break;
+ case DEVICE_SELECTED:
+ m = PORT_TRAFFIC_ORANGE;
+ break;
+ default:
+ break;
+ }
+ LinkHighlight hlite = new LinkHighlight(linkId(), SECONDARY_HIGHLIGHT);
+ if (m != null) {
+ hlite.addMod(m);
+ }
+
+ return hlite;
+ }
+
+ /**
+ * Designates requested type.
+ */
+ public enum RequestType {
+ HOST_SELECTED,
+ DEVICE_SELECTED,
+ }
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackLinkMap.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackLinkMap.java
new file mode 100644
index 0000000..7086b4c
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackLinkMap.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui;
+
+import org.onosproject.net.Link;
+import org.onosproject.net.LinkKey;
+import org.onosproject.ui.topo.BiLinkMap;
+
+/**
+ * Link for OpenStack Networking UI service.
+ */
+public class OpenstackLinkMap extends BiLinkMap<OpenstackLink> {
+ @Override
+ protected OpenstackLink create(LinkKey linkKey, Link link) {
+ return new OpenstackLink(linkKey, link);
+ }
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiManager.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiManager.java
new file mode 100644
index 0000000..daeebec
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiManager.java
@@ -0,0 +1,187 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Streams;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Port;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.driver.DriverService;
+import org.onosproject.net.link.DefaultLinkDescription;
+import org.onosproject.net.link.LinkDescription;
+import org.onosproject.net.link.LinkStore;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.ui.UiExtension;
+import org.onosproject.ui.UiExtensionService;
+import org.onosproject.ui.UiMessageHandlerFactory;
+import org.onosproject.ui.UiTopoOverlayFactory;
+import org.onosproject.ui.UiView;
+import org.onosproject.ui.UiViewHidden;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.onosproject.net.Link.Type;
+
+import java.util.List;
+import java.util.NoSuchElementException;
+import java.util.Optional;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * Implementation of OpenStack Networking UI service.
+ */
+@Service
+@Component(immediate = true)
+public class OpenstackNetworkingUiManager implements OpenstackNetworkingUiService {
+
+ private static final ClassLoader CL = OpenstackNetworkingUiManager.class.getClassLoader();
+ private static final String VIEW_ID = "sonaTopov";
+ private static final String PORT_NAME = "portName";
+ private static final String VXLAN = "vxlan";
+ private static final String OVS = "ovs";
+ private static final String APP_ID = "org.onosproject.openstacknetworkingui";
+ private static final String SONA_GUI = "sonagui";
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected UiExtensionService uiExtensionService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected DeviceService deviceService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected DriverService driverService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected LinkStore linkStore;
+ Set<Device> vDevices;
+
+ private OpenstackNetworkingUiMessageHandler messageHandler = new OpenstackNetworkingUiMessageHandler();
+
+ private final List<UiView> uiViews = ImmutableList.of(
+ new UiViewHidden(VIEW_ID)
+ );
+
+
+ private final UiMessageHandlerFactory messageHandlerFactory =
+ () -> ImmutableList.of(messageHandler);
+
+ private final UiTopoOverlayFactory topoOverlayFactory =
+ () -> ImmutableList.of(new OpenstackNetworkingUiOverlay());
+
+ protected UiExtension extension =
+ new UiExtension.Builder(CL, uiViews)
+ .resourcePath(VIEW_ID)
+ .messageHandlerFactory(messageHandlerFactory)
+ .topoOverlayFactory(topoOverlayFactory)
+ .build();
+
+ @Activate
+ protected void activate() {
+ uiExtensionService.register(extension);
+
+ vDevices = Streams.stream(deviceService.getAvailableDevices())
+ .filter(this::isVirtualDevice)
+ .collect(Collectors.toSet());
+
+ vDevices.forEach(this::createLinksConnectedToTargetvDevice);
+
+ log.info("Started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ uiExtensionService.unregister(extension);
+ log.info("Stopped");
+ }
+
+ @Override
+ public void sendMessage(String type, ObjectNode payload) {
+ messageHandler.sendMessagetoUi(type, payload);
+ }
+
+ @Override
+ public void setRestServerIp(String ipAddress) {
+ messageHandler.setRestUrl(ipAddress);
+ }
+
+ @Override
+ public String restServerUrl() {
+ return messageHandler.restUrl();
+ }
+
+ @Override
+ public void setRestServerAuthInfo(String id, String password) {
+ messageHandler.setRestAuthInfo(id, password);
+ }
+
+ @Override
+ public String restServerAuthInfo() {
+ return messageHandler.restAuthInfo();
+ }
+
+
+ private Optional<Port> vxlanPort(DeviceId deviceId) {
+ return deviceService.getPorts(deviceId)
+ .stream()
+ .filter(port -> port.annotations().value(PORT_NAME).equals(VXLAN))
+ .findAny();
+ }
+ private boolean isVirtualDevice(Device device) {
+ return driverService.getDriver(device.id()).name().equals(OVS);
+ }
+
+ private void createLinksConnectedToTargetvDevice(Device targetvDevice) {
+ vDevices.stream().filter(d -> !d.equals(targetvDevice))
+ .forEach(device -> {
+ if (vxlanPort(targetvDevice.id()).isPresent() && vxlanPort(device.id()).isPresent()) {
+ ConnectPoint srcConnectPoint = createConnectPoint(targetvDevice.id());
+
+ ConnectPoint dstConnectPoint = createConnectPoint(device.id());
+
+ LinkDescription linkDescription = createLinkDescription(srcConnectPoint, dstConnectPoint);
+
+ linkStore.createOrUpdateLink(new ProviderId(SONA_GUI, APP_ID),
+ linkDescription);
+ }
+ });
+ }
+
+ private ConnectPoint createConnectPoint(DeviceId deviceId) {
+ try {
+ return new ConnectPoint(deviceId, vxlanPort(deviceId).get().number());
+ } catch (NoSuchElementException exception) {
+ log.warn("Exception occured because of {}", exception.toString());
+ return null;
+ }
+ }
+
+ private LinkDescription createLinkDescription(ConnectPoint srcConnectPoint, ConnectPoint dstConnectPoint) {
+ return new DefaultLinkDescription(srcConnectPoint, dstConnectPoint, Type.DIRECT, true);
+ }
+
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiMessageHandler.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiMessageHandler.java
new file mode 100644
index 0000000..0e8b781
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiMessageHandler.java
@@ -0,0 +1,452 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import com.google.common.collect.Streams;
+import org.onlab.osgi.ServiceDirectory;
+import org.onosproject.cluster.ClusterService;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Element;
+import org.onosproject.net.Host;
+import org.onosproject.net.HostId;
+import org.onosproject.net.Path;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.host.HostService;
+import org.onosproject.net.topology.PathService;
+import org.onosproject.ui.JsonUtils;
+import org.onosproject.ui.RequestHandler;
+import org.onosproject.ui.UiConnection;
+import org.onosproject.ui.UiMessageHandler;
+import org.apache.commons.io.IOUtils;
+
+import org.onosproject.ui.topo.Highlights;
+import org.onosproject.ui.topo.HostHighlight;
+import org.onosproject.ui.topo.NodeBadge;
+import org.onosproject.ui.topo.NodeBadge.Status;
+import org.onosproject.ui.topo.TopoJson;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.Invocation;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+
+
+import static org.onosproject.net.DefaultEdgeLink.createEdgeLink;
+
+/**
+ * OpenStack Networking UI message handler.
+ */
+public class OpenstackNetworkingUiMessageHandler extends UiMessageHandler {
+
+ private static final String OPENSTACK_NETWORKING_UI_START = "openstackNetworkingUiStart";
+ private static final String OPENSTACK_NETWORKING_UI_UPDATE = "openstackNetworkingUiUpdate";
+ private static final String OPENSTACK_NETWORKING_UI_STOP = "openstackNetworkingUiStop";
+ private static final String ANNOTATION_NETWORK_ID = "networkId";
+ private static final String FLOW_TRACE_REQUEST = "flowTraceRequest";
+ private static final String SRC_IP = "srcIp";
+ private static final String DST_IP = "dstIp";
+ private static final String ANNOTATION_SEGMENT_ID = "segId";
+ private static final String AUTHORIZATION = "Authorization";
+ private static final String COMMAND = "command";
+ private static final String FLOW_TRACE = "flowtrace";
+ private static final String REVERSE = "reverse";
+ private static final String TRANSACTION_ID = "transaction_id";
+ private static final String TRANSACTION_VALUE = "sona";
+ private static final String APP_REST_URL = "app_rest_url";
+ private static final String MATCHING_FIELDS = "matchingfields";
+ private static final String SOURCE_IP = "source_ip";
+ private static final String DESTINATION_IP = "destination_ip";
+ private static final String TO_GATEWAY = "to_gateway";
+ private static final String IP_PROTOCOL = "ip_protocol";
+ private static final String HTTP = "http://";
+ private static final String OPENSTACK_NETWORKING_UI_RESULT = ":8181/onos/openstacknetworkingui/result";
+
+ private static final String ID = "id";
+ private static final String MODE = "mode";
+ private static final String MOUSE = "mouse";
+
+ private enum Mode { IDLE, MOUSE }
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ private DeviceService deviceService;
+ private HostService hostService;
+ private PathService pathService;
+ private ClusterService clusterService;
+ private String restUrl;
+ private String restAuthInfo;
+ private Mode currentMode = Mode.IDLE;
+ private Element elementOfNote;
+ private final Client client = ClientBuilder.newClient();
+
+
+ // ===============-=-=-=-=-=-======================-=-=-=-=-=-=-================================
+
+
+ @Override
+ public void init(UiConnection connection, ServiceDirectory directory) {
+ super.init(connection, directory);
+ deviceService = directory.get(DeviceService.class);
+ hostService = directory.get(HostService.class);
+ pathService = directory.get(PathService.class);
+ clusterService = directory.get(ClusterService.class);
+ }
+
+ @Override
+ protected Collection<RequestHandler> createRequestHandlers() {
+ return ImmutableSet.of(
+ new DisplayStartHandler(),
+ new DisplayUpdateHandler(),
+ new DisplayStopHandler(),
+ new FlowTraceRequestHandler()
+ );
+ }
+
+ public void setRestUrl(String ipAddress) {
+ restUrl = "http://" + ipAddress + ":8000/trace_request";
+ }
+
+ public String restUrl() {
+ return restUrl;
+ }
+
+ public void setRestAuthInfo(String id, String password) {
+ restAuthInfo = Base64.getEncoder().encodeToString(id.concat(":").concat(password).getBytes());
+ }
+
+ public String restAuthInfo() {
+ return restAuthInfo;
+ }
+
+ private final class DisplayStartHandler extends RequestHandler {
+
+ public DisplayStartHandler() {
+ super(OPENSTACK_NETWORKING_UI_START);
+ }
+
+ @Override
+ public void process(ObjectNode payload) {
+ String mode = string(payload, MODE);
+
+ log.debug("Start Display: mode [{}]", mode);
+ clearState();
+ clearForMode();
+
+ switch (mode) {
+ case MOUSE:
+ currentMode = Mode.MOUSE;
+ sendMouseData();
+ break;
+
+ default:
+ currentMode = Mode.IDLE;
+ break;
+ }
+ }
+ }
+
+ private final class FlowTraceRequestHandler extends RequestHandler {
+ public FlowTraceRequestHandler() {
+ super(FLOW_TRACE_REQUEST);
+ }
+
+ @Override
+ public void process(ObjectNode payload) {
+ String srcIp = string(payload, SRC_IP);
+ String dstIp = string(payload, DST_IP);
+ log.debug("SendEvent called with src IP: {}, dst IP: {}", srcIp, dstIp);
+
+ ObjectNode objectNode = getFlowTraceRequestAsJson(srcIp, dstIp);
+ InputStream byteArrayInputStream
+ = new ByteArrayInputStream(objectNode.toString().getBytes());
+
+ Invocation.Builder builder = getClientBuilder(restUrl);
+
+ if (builder == null) {
+ log.error("Fail to get the client builder for the trace from {} to {}", srcIp, dstIp);
+ return;
+ }
+
+ try {
+ Response response = builder.header(AUTHORIZATION, restAuthInfo.toString())
+ .post(Entity.entity(IOUtils.toString(byteArrayInputStream, StandardCharsets.UTF_8),
+ MediaType.APPLICATION_JSON_TYPE));
+
+ log.debug("Response from server: {}", response);
+
+ if (response.getStatus() != 200) {
+ log.error("FlowTraceRequest failed because of {}", response);
+ }
+
+ } catch (IOException e) {
+ log.error("Exception occured because of {}", e.toString());
+ }
+
+ }
+ }
+
+ private ObjectNode getFlowTraceRequestAsJson(String srcIp, String dstIp) {
+ ObjectMapper mapper = new ObjectMapper();
+ String controllerUrl = HTTP + clusterService.getLocalNode().ip()
+ + OPENSTACK_NETWORKING_UI_RESULT;
+
+ ObjectNode objectNode = mapper.createObjectNode();
+
+ objectNode.put(COMMAND, FLOW_TRACE)
+ .put(REVERSE, false)
+ .put(TRANSACTION_ID, TRANSACTION_VALUE)
+ .put(APP_REST_URL, controllerUrl);
+
+ if (srcIp.equals(dstIp)) {
+ objectNode.putObject(MATCHING_FIELDS)
+ .put(SOURCE_IP, srcIp)
+ .put(DESTINATION_IP, dstIp)
+ .put(TO_GATEWAY, true)
+ .put(IP_PROTOCOL, 1);
+
+ } else {
+ objectNode.putObject(MATCHING_FIELDS)
+ .put(SOURCE_IP, srcIp)
+ .put(DESTINATION_IP, dstIp);
+ }
+ return objectNode;
+ }
+
+ private Invocation.Builder getClientBuilder(String url) {
+ if (Strings.isNullOrEmpty(url)) {
+ log.warn("URL in not set");
+ return null;
+ }
+
+ WebTarget wt = client.target(url);
+
+ return wt.request(MediaType.APPLICATION_JSON_TYPE);
+ }
+
+ private final class DisplayUpdateHandler extends RequestHandler {
+ public DisplayUpdateHandler() {
+ super(OPENSTACK_NETWORKING_UI_UPDATE);
+ }
+
+ @Override
+ public void process(ObjectNode payload) {
+ String id = string(payload, ID);
+ log.debug("Update Display: id [{}]", id);
+ if (!Strings.isNullOrEmpty(id)) {
+ updateForMode(id);
+ } else {
+ clearForMode();
+ }
+ }
+ }
+
+ private final class DisplayStopHandler extends RequestHandler {
+ public DisplayStopHandler() {
+ super(OPENSTACK_NETWORKING_UI_STOP);
+ }
+
+ @Override
+ public void process(ObjectNode payload) {
+ log.debug("Stop Display");
+ clearState();
+ clearForMode();
+ }
+ }
+
+ // === ------------
+
+ private void clearState() {
+ currentMode = Mode.IDLE;
+ elementOfNote = null;
+ }
+
+ private void updateForMode(String id) {
+
+ try {
+ HostId hid = HostId.hostId(id);
+ elementOfNote = hostService.getHost(hid);
+
+ } catch (Exception e) {
+ try {
+ DeviceId did = DeviceId.deviceId(id);
+ elementOfNote = deviceService.getDevice(did);
+
+ } catch (Exception e2) {
+ log.debug("Unable to process ID [{}]", id);
+ elementOfNote = null;
+ }
+ }
+
+ switch (currentMode) {
+ case MOUSE:
+ sendMouseData();
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+ private void clearForMode() {
+ sendHighlights(new Highlights());
+ }
+
+ private void sendHighlights(Highlights highlights) {
+ sendMessage(TopoJson.highlightsMessage(highlights));
+ }
+
+ public void sendMessagetoUi(String type, ObjectNode payload) {
+ sendMessage(JsonUtils.envelope(type, payload));
+ }
+
+ private int getVni(Host host) {
+ String vni = host.annotations().value(ANNOTATION_SEGMENT_ID);
+
+ return vni == null ? 0 : Integer.valueOf(vni).intValue();
+ }
+
+ private void sendMouseData() {
+ Highlights highlights = new Highlights();
+
+ if (elementOfNote != null && elementOfNote instanceof Device) {
+ DeviceId deviceId = (DeviceId) elementOfNote.id();
+
+ List<OpenstackLink> edgeLinks = edgeLinks(deviceId);
+
+ edgeLinks.forEach(edgeLink -> {
+ highlights.add(edgeLink.highlight(OpenstackLink.RequestType.DEVICE_SELECTED));
+ });
+
+ hostService.getConnectedHosts(deviceId).forEach(host -> {
+ HostHighlight hostHighlight = new HostHighlight(host.id().toString());
+ hostHighlight.setBadge(createBadge(getVni(host)));
+ highlights.add(hostHighlight);
+ });
+
+ sendHighlights(highlights);
+
+ } else if (elementOfNote != null && elementOfNote instanceof Host) {
+
+ HostId hostId = HostId.hostId(elementOfNote.id().toString());
+ if (!hostMadeFromOpenstack(hostId)) {
+ return;
+ }
+
+ List<OpenstackLink> openstackLinks = linksInSameNetwork(hostId);
+
+ openstackLinks.forEach(openstackLink -> {
+ highlights.add(openstackLink.highlight(OpenstackLink.RequestType.HOST_SELECTED));
+ });
+
+ hostHighlightsInSameNetwork(hostId).forEach(highlights::add);
+
+ sendHighlights(highlights);
+
+ }
+ }
+
+ private boolean hostMadeFromOpenstack(HostId hostId) {
+ return hostService.getHost(hostId).annotations()
+ .value(ANNOTATION_NETWORK_ID) == null ? false : true;
+ }
+
+ private String networkId(HostId hostId) {
+ return hostService.getHost(hostId).annotations().value(ANNOTATION_NETWORK_ID);
+ }
+
+ private Set<HostHighlight> hostHighlightsInSameNetwork(HostId hostId) {
+
+ Set<HostHighlight> hostHighlights = Sets.newHashSet();
+ Streams.stream(hostService.getHosts())
+ .filter(host -> isHostInSameNetwork(host, networkId(hostId)))
+ .forEach(host -> {
+ HostHighlight hostHighlight = new HostHighlight(host.id().toString());
+ hostHighlight.setBadge(createBadge(getVni(host)));
+ hostHighlights.add(hostHighlight);
+ });
+
+ return hostHighlights;
+ }
+
+ private List<OpenstackLink> edgeLinks(DeviceId deviceId) {
+ OpenstackLinkMap openstackLinkMap = new OpenstackLinkMap();
+
+ hostService.getConnectedHosts(deviceId).forEach(host -> {
+ openstackLinkMap.add(createEdgeLink(host, true));
+ openstackLinkMap.add(createEdgeLink(host, false));
+ });
+
+ List<OpenstackLink> edgeLinks = Lists.newArrayList();
+
+ openstackLinkMap.biLinks().forEach(edgeLinks::add);
+
+ return edgeLinks;
+ }
+
+ private List<OpenstackLink> linksInSameNetwork(HostId hostId) {
+ OpenstackLinkMap linkMap = new OpenstackLinkMap();
+
+ Streams.stream(hostService.getHosts())
+ .filter(host -> isHostInSameNetwork(host, networkId(hostId)))
+ .forEach(host -> {
+ linkMap.add(createEdgeLink(host, true));
+ linkMap.add(createEdgeLink(host, false));
+
+ Set<Path> paths = pathService.getPaths(hostId,
+ host.id());
+
+ if (!paths.isEmpty()) {
+ paths.forEach(path -> path.links().forEach(linkMap::add));
+ }
+ });
+
+ List<OpenstackLink> openstackLinks = Lists.newArrayList();
+
+ linkMap.biLinks().forEach(openstackLinks::add);
+
+ return openstackLinks;
+ }
+
+ private boolean isHostInSameNetwork(Host host, String networkId) {
+ return hostService.getHost(host.id()).annotations()
+ .value(ANNOTATION_NETWORK_ID).equals(networkId);
+ }
+
+ private NodeBadge createBadge(int n) {
+ return NodeBadge.number(Status.INFO, n, "Openstack Node");
+ }
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiOverlay.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiOverlay.java
new file mode 100644
index 0000000..8ad477c
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiOverlay.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui;
+
+import org.onlab.osgi.DefaultServiceDirectory;
+import org.onosproject.net.HostId;
+import org.onosproject.net.host.HostService;
+import org.onosproject.ui.UiTopoOverlay;
+import org.onosproject.ui.topo.ButtonId;
+import org.onosproject.ui.topo.PropertyPanel;
+
+import static org.onosproject.ui.topo.TopoConstants.Properties.INTENTS;
+import static org.onosproject.ui.topo.TopoConstants.Properties.TOPOLOGY_SSCS;
+import static org.onosproject.ui.topo.TopoConstants.Properties.TUNNELS;
+import static org.onosproject.ui.topo.TopoConstants.Properties.VERSION;
+import static org.onosproject.ui.topo.TopoConstants.Properties.VLAN;
+
+/**
+ * Topology overlay for OpenStack Networking UI.
+ */
+public class OpenstackNetworkingUiOverlay extends UiTopoOverlay {
+ private static final String OVERLAY_ID = "sona-overlay";
+ private static final String SONA = "SONA";
+ private static final String SUMMARY_TITLE = "OpenStack Networking UI";
+ private static final String SUMMARY_VERSION = "0.9";
+ private static final String VNI = "VNI";
+ private static final String ANNOTATION_SEGMENT_ID = "segId";
+
+ private static final String NOT_AVAILABLE = "N/A";
+
+ private static final ButtonId FLOW_TRACE_BUTTON = new ButtonId("flowtrace");
+ private static final ButtonId RESET_BUTTON = new ButtonId("reset");
+ private static final ButtonId TO_GATEWAY_BUTTON = new ButtonId("toGateway");
+ private static final ButtonId TO_EXTERNAL_BUTTON = new ButtonId("toExternal");
+
+ private final HostService hostService = DefaultServiceDirectory.getService(HostService.class);
+
+ public OpenstackNetworkingUiOverlay() {
+ super(OVERLAY_ID);
+ }
+
+
+ @Override
+ public void modifySummary(PropertyPanel pp) {
+ pp.title(SUMMARY_TITLE)
+ .removeProps(
+ TOPOLOGY_SSCS,
+ INTENTS,
+ TUNNELS,
+ VERSION
+ )
+ .addProp(SONA, VERSION, SUMMARY_VERSION);
+ }
+
+ @Override
+ public void modifyHostDetails(PropertyPanel pp, HostId hostId) {
+ String vni = hostService.getHost(hostId).annotations().value(ANNOTATION_SEGMENT_ID);
+
+ pp.removeProps(VLAN);
+ pp.addProp(SONA, VNI, vni == null ? NOT_AVAILABLE : vni)
+ .addButton(FLOW_TRACE_BUTTON)
+ .addButton(RESET_BUTTON)
+ .addButton(TO_GATEWAY_BUTTON)
+ .addButton(TO_EXTERNAL_BUTTON);
+ }
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiService.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiService.java
new file mode 100644
index 0000000..aea9763
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/OpenstackNetworkingUiService.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * Service for OpenStack Networking UI.
+ */
+public interface OpenstackNetworkingUiService {
+
+ /**
+ * Sends message to OpenStack Networking UI.
+ *
+ * @param type event type
+ * @param payload payload
+ */
+ void sendMessage(String type, ObjectNode payload);
+
+ /**
+ * Sets the REST server ip address.
+ *
+ * @param ipAddress rest server ip address
+ */
+ void setRestServerIp(String ipAddress);
+
+ /**
+ * Gets the REST server url.
+ *
+ * @return REST server url
+ */
+ String restServerUrl();
+
+ /**
+ * Sets the REST server authorization information.
+ *
+ * @param id id
+ * @param password password
+ */
+ void setRestServerAuthInfo(String id, String password);
+
+ /**
+ * Gets the REST server authorization information.
+ *
+ * @return REST server authorization information as String
+ */
+ String restServerAuthInfo();
+
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/GetRestServerAuthInfoCommand.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/GetRestServerAuthInfoCommand.java
new file mode 100644
index 0000000..fdaf23d
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/GetRestServerAuthInfoCommand.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui.cli;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.openstacknetworkingui.OpenstackNetworkingUiService;
+
+/**
+ * Gets the REST server authorization information.
+ */
+@Command(scope = "onos", name = "openstacknetworking-ui-get-restserver-auth",
+ description = "Gets the REST server authorization information")
+public class GetRestServerAuthInfoCommand extends AbstractShellCommand {
+
+ @Override
+ protected void execute() {
+ OpenstackNetworkingUiService service = AbstractShellCommand.get(OpenstackNetworkingUiService.class);
+ print("Encoded information for the REST server authorization: %s", service.restServerAuthInfo());
+ }
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/GetRestServerCommand.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/GetRestServerCommand.java
new file mode 100644
index 0000000..6cccfa1
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/GetRestServerCommand.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui.cli;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.openstacknetworkingui.OpenstackNetworkingUiService;
+
+/**
+ * Gets the REST server url.
+ */
+
+@Command(scope = "onos", name = "openstacknetworking-ui-get-restserver-url",
+ description = "Gets the REST server url")
+public class GetRestServerCommand extends AbstractShellCommand {
+
+ @Override
+ protected void execute() {
+ OpenstackNetworkingUiService service = AbstractShellCommand.get(OpenstackNetworkingUiService.class);
+ print("REST server url : %s", service.restServerUrl());
+ }
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/SetRestServerAuthInfoCommand.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/SetRestServerAuthInfoCommand.java
new file mode 100644
index 0000000..148818c
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/SetRestServerAuthInfoCommand.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.openstacknetworkingui.OpenstackNetworkingUiService;
+
+/**
+ * Sets the REST server authorization information.
+ */
+@Command(scope = "onos", name = "openstacknetworking-ui-set-restserver-auth",
+ description = "Sets the REST server authorization information")
+public class SetRestServerAuthInfoCommand extends AbstractShellCommand {
+
+ @Argument(index = 0, name = "restServerAuthId", description = "REST server authorization id",
+ required = true, multiValued = false)
+ private String restServerAuthId = null;
+
+ @Argument(index = 1, name = "restServerAuthPass", description = "REST server authorization password",
+ required = true, multiValued = false)
+ private String restServerAuthPass = null;
+
+ @Override
+ protected void execute() {
+ OpenstackNetworkingUiService service = AbstractShellCommand.get(OpenstackNetworkingUiService.class);
+ service.setRestServerAuthInfo(restServerAuthId, restServerAuthPass);
+ print("Id and password for the REST server authorization are %s and %s.", restServerAuthId, restServerAuthPass);
+ print("Encoded result as based 64 format: %s", service.restServerAuthInfo());
+ }
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/SetRestServerCommand.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/SetRestServerCommand.java
new file mode 100644
index 0000000..f9cef4d
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/SetRestServerCommand.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.openstacknetworkingui.OpenstackNetworkingUiService;
+
+/**
+ * Sets the REST server ip address.
+ */
+@Command(scope = "onos", name = "openstacknetworking-ui-set-restserver-ip",
+ description = "Sets the REST server ip address")
+public class SetRestServerCommand extends AbstractShellCommand {
+
+ @Argument(index = 0, name = "restServerIp", description = "REST server ip address",
+ required = true, multiValued = false)
+ private String restServerIp = null;
+
+ @Override
+ protected void execute() {
+ OpenstackNetworkingUiService service = AbstractShellCommand.get(OpenstackNetworkingUiService.class);
+ service.setRestServerIp(restServerIp);
+ print("The REST server url is set to %s", service.restServerUrl());
+ }
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/package-info.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/package-info.java
new file mode 100644
index 0000000..2a69dda
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/cli/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * CLI handlers of OpenStack Networking UI service.
+ */
+package org.onosproject.openstacknetworkingui.cli;
\ No newline at end of file
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/package-info.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/package-info.java
new file mode 100644
index 0000000..3e08d0b
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * OpenStack Networking UI package.
+ */
+package org.onosproject.openstacknetworkingui;
\ No newline at end of file
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/web/FlowTraceWebResource.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/web/FlowTraceWebResource.java
new file mode 100644
index 0000000..d4fbf28
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/web/FlowTraceWebResource.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworkingui.web;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onlab.osgi.DefaultServiceDirectory;
+import org.onosproject.openstacknetworkingui.OpenstackNetworkingUiService;
+import org.onosproject.rest.AbstractWebResource;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriInfo;
+import java.io.IOException;
+import java.io.InputStream;
+
+import static javax.ws.rs.core.Response.status;
+
+/**
+ * Handles REST API from monitoring server.
+ */
+
+@Path("result")
+public class FlowTraceWebResource extends AbstractWebResource {
+ protected final Logger log = LoggerFactory.getLogger(getClass());
+ private final OpenstackNetworkingUiService uiService =
+ DefaultServiceDirectory.getService(OpenstackNetworkingUiService.class);
+
+ private static final String FLOW_TRACE_RESULT = "flowTraceResult";
+
+ @Context
+ private UriInfo uriInfo;
+
+ @POST
+ @Consumes(MediaType.APPLICATION_JSON)
+ @Produces(MediaType.APPLICATION_JSON)
+ public Response flowTraceResponse(InputStream inputStream) throws IOException {
+ try {
+ JsonNode jsonNode = mapper().enable(SerializationFeature.INDENT_OUTPUT).readTree(inputStream);
+ ObjectNode objectNode = jsonNode.deepCopy();
+
+ log.debug("FlowTraceResponse: {}", jsonNode.toString());
+
+ uiService.sendMessage(FLOW_TRACE_RESULT, objectNode);
+
+ } catch (IOException e) {
+ log.error("Exception occured because of {}", e.toString());
+ }
+
+ return status(Response.Status.OK).build();
+ }
+
+}
diff --git a/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/web/package-info.java b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/web/package-info.java
new file mode 100644
index 0000000..570f9cf
--- /dev/null
+++ b/apps/openstacknetworkingui/src/main/java/org/onosproject/openstacknetworkingui/web/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Web implementation of OpenStack Networking UI service.
+ */
+package org.onosproject.openstacknetworkingui.web;
\ No newline at end of file