[ONOS-7752] check north-south reachability for troubleshoot purpose
Change-Id: I973047c0fcd4fb241ad010fbbef9d016510b8deb
diff --git a/apps/openstacktroubleshoot/app/src/main/java/org/onosproject/openstacktroubleshoot/cli/OpenstackNorthSouthProbeCommand.java b/apps/openstacktroubleshoot/app/src/main/java/org/onosproject/openstacktroubleshoot/cli/OpenstackNorthSouthProbeCommand.java
new file mode 100644
index 0000000..77c24bb
--- /dev/null
+++ b/apps/openstacktroubleshoot/app/src/main/java/org/onosproject/openstacktroubleshoot/cli/OpenstackNorthSouthProbeCommand.java
@@ -0,0 +1,123 @@
+/*
+ * 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.openstacktroubleshoot.cli;
+
+import com.google.common.collect.Sets;
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.commands.Option;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.cluster.ClusterService;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.mastership.MastershipService;
+import org.onosproject.openstacknetworking.api.InstancePort;
+import org.onosproject.openstacknetworking.api.InstancePortService;
+import org.onosproject.openstacknode.api.OpenstackNode;
+import org.onosproject.openstacknode.api.OpenstackNodeService;
+import org.onosproject.openstacktroubleshoot.api.OpenstackTroubleshootService;
+import org.onosproject.openstacktroubleshoot.api.Reachability;
+
+import java.util.Set;
+
+import static org.onosproject.openstacknetworking.api.InstancePort.State.ACTIVE;
+import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY;
+
+/**
+ * Checks the north-south VM connectivity.
+ */
+@Command(scope = "onos", name = "openstack-check-north-south",
+ description = "Checks the north-south VMs connectivity")
+public class OpenstackNorthSouthProbeCommand extends AbstractShellCommand {
+
+ private static final String REACHABLE = "Reachable :)";
+ private static final String UNREACHABLE = "Unreachable :(";
+ private static final String ARROW = "->";
+
+ private static final String FORMAT = "%-20s%-5s%-20s%-20s";
+
+ @Option(name = "-a", aliases = "--all", description = "Apply this command to all VMs",
+ required = false, multiValued = false)
+ private boolean isAll = false;
+
+ @Argument(index = 0, name = "vmIps", description = "VMs' IP addresses",
+ required = false, multiValued = true)
+ private String[] vmIps = null;
+
+ @Override
+ protected void execute() {
+ OpenstackTroubleshootService tsService = get(OpenstackTroubleshootService.class);
+ InstancePortService instPortService = get(InstancePortService.class);
+ OpenstackNodeService osNodeService = get(OpenstackNodeService.class);
+ MastershipService mastershipService = get(MastershipService.class);
+ ClusterService clusterService = get(ClusterService.class);
+
+ if (tsService == null || osNodeService == null ||
+ instPortService == null || mastershipService == null) {
+ error("Failed to troubleshoot openstack networking.");
+ return;
+ }
+
+ if ((!isAll && vmIps == null) || (isAll && vmIps != null)) {
+ print("Please specify one of VM IP address or -a option.");
+ return;
+ }
+
+ NodeId localNodeId = clusterService.getLocalNode().id();
+
+ for (OpenstackNode gw : osNodeService.completeNodes(GATEWAY)) {
+ if (!localNodeId.equals(mastershipService.getMasterFor(gw.intgBridge()))) {
+ error("Current node is not the master for all gateway nodes. Please enforce mastership first!");
+ return;
+ }
+ }
+
+ if (isAll) {
+ printHeader();
+
+ // send ICMP PACKET_OUT to all connect VMs whose instance port state is ACTIVE
+ instPortService.instancePorts().stream()
+ .filter(p -> p.state() == ACTIVE)
+ .filter(p -> instPortService.floatingIp(p.portId()) != null)
+ .forEach(port -> printReachability(tsService.probeNorthSouth(port)));
+ } else {
+
+ final Set<InstancePort> ports = Sets.newConcurrentHashSet();
+
+ for (String ip : vmIps) {
+ instPortService.instancePorts().stream()
+ .filter(p -> p.state().equals(InstancePort.State.ACTIVE))
+ .filter(p -> instPortService.floatingIp(p.portId()) != null)
+ .filter(p -> ip.equals(instPortService.floatingIp(p.portId()).toString()))
+ .forEach(ports::add);
+ }
+
+ printHeader();
+ ports.forEach(port -> printReachability(tsService.probeNorthSouth(port)));
+ }
+ }
+
+ private void printHeader() {
+ print(FORMAT, "Source IP", "", "Destination IP", "Reachability");
+ }
+
+ private void printReachability(Reachability r) {
+ if (r == null) {
+ return;
+ }
+ String result = r.isReachable() ? REACHABLE : UNREACHABLE;
+ print(FORMAT, r.srcIp().toString(), ARROW, r.dstIp().toString(), result);
+ }
+}