Support flow trace CLI in openstack networking app.
Change-Id: I39d8e5febf9244e1908459d64ce089670ff38234
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackFlowTraceCommand.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackFlowTraceCommand.java
new file mode 100644
index 0000000..69ba0dc
--- /dev/null
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackFlowTraceCommand.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2018-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.openstacknetworking.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.openstacknetworking.api.InstancePort;
+import org.onosproject.openstacknetworking.api.InstancePortAdminService;
+import org.onosproject.openstacknetworking.api.OpenstackNetworkAdminService;
+import org.onosproject.openstacknode.api.OpenstackNode;
+import org.onosproject.openstacknode.api.OpenstackNodeAdminService;
+
+import java.util.Optional;
+
+import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.sendTraceRequestToNode;
+import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.traceRequestString;
+
+/**
+ * Requests flow trace command.
+ */
+@Command(scope = "onos", name = "openstack-flow-trace",
+ description = "Requests flow trace command")
+public class OpenstackFlowTraceCommand extends AbstractShellCommand {
+
+ @Argument(index = 0, name = "src ip address", description = "src ip address",
+ required = true, multiValued = false)
+ private String srcIp = null;
+
+ @Argument(index = 1, name = "dst ip address", description = "dst ip address",
+ required = true, multiValued = false)
+ private String dstIp = null;
+
+ private static final String NO_ELEMENT = "There's no instance port information with given ip address";
+ private static final String FLOW_TRACE_REQUEST_STRING_UPLINK = "Flow trace request string for uplink: ";
+ private static final String FLOW_TRACE_REQUEST_STRING_DOWNLINK = "Flow trace request string for downlink: ";
+
+
+ @Override
+ protected void execute() {
+ OpenstackNodeAdminService osNodeService = AbstractShellCommand.get(OpenstackNodeAdminService.class);
+ InstancePortAdminService instancePortService = AbstractShellCommand.get(InstancePortAdminService.class);
+ OpenstackNetworkAdminService osNetService = AbstractShellCommand.get(OpenstackNetworkAdminService.class);
+
+ Optional<InstancePort> srcInstance = instancePortService.instancePorts().stream()
+ .filter(port -> port.ipAddress().toString().equals(srcIp)).findAny();
+
+ if (!srcInstance.isPresent()) {
+ print(NO_ELEMENT);
+ return;
+ }
+
+ OpenstackNode srcNode = osNodeService.node(srcInstance.get().deviceId());
+ if (srcNode == null || srcNode.sshAuthInfo() == null) {
+ log.error("Openstack node {} is null or has no SSH authentication information.\n" +
+ " Please refers to the sample network-cfg.json in OpenstackNode app to push" +
+ "SSH authentication information", srcNode.hostname());
+
+ return;
+ }
+
+ if (dstIp.equals(osNetService.gatewayIp(srcInstance.get().portId()))) {
+ dstIp = srcIp;
+ }
+
+ //print uplink flow trace result
+ String requestStringUplink = traceRequestString(srcIp, dstIp, srcInstance.get(),
+ osNetService, true);
+
+ print(FLOW_TRACE_REQUEST_STRING_UPLINK + requestStringUplink);
+
+ String requestStringDownlink = traceRequestString(srcIp, dstIp, srcInstance.get(),
+ osNetService, false);
+ print(FLOW_TRACE_REQUEST_STRING_DOWNLINK + requestStringDownlink);
+
+ String traceResult = sendTraceRequestToNode(requestStringUplink + '\n'
+ + requestStringDownlink, srcNode);
+ print(traceResult);
+ }
+}