ONOS-5182 Refactored SONA to cache network states
Change-Id: Ib316fa5fa5d36e9da370a1578ac55de4a8dd9b04
diff --git a/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRouterListCommand.java b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRouterListCommand.java
new file mode 100644
index 0000000..4f7c8bd
--- /dev/null
+++ b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackRouterListCommand.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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 com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.Lists;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.openstacknetworking.api.OpenstackNetworkService;
+import org.onosproject.openstacknetworking.api.OpenstackRouterService;
+import org.openstack4j.core.transport.ObjectMapperSingleton;
+import org.openstack4j.model.network.IP;
+import org.openstack4j.model.network.Port;
+import org.openstack4j.model.network.Router;
+import org.openstack4j.model.network.RouterInterface;
+import org.openstack4j.openstack.networking.domain.NeutronRouter;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT;
+
+/**
+ * Lists OpenStack routers.
+ */
+@Command(scope = "onos", name = "openstack-routers",
+ description = "Lists all OpenStack routers")
+public class OpenstackRouterListCommand extends AbstractShellCommand {
+
+ private static final String FORMAT = "%-40s%-20s%-20s%-8s";
+
+ private final OpenstackRouterService routerService =
+ AbstractShellCommand.get(OpenstackRouterService.class);
+ private final OpenstackNetworkService netService =
+ AbstractShellCommand.get(OpenstackNetworkService.class);
+
+ @Override
+ protected void execute() {
+ List<Router> routers = Lists.newArrayList(routerService.routers());
+ routers.sort(Comparator.comparing(Router::getName));
+
+ if (outputJson()) {
+ try {
+ print("%s", mapper().writeValueAsString(json(routers)));
+ } catch (JsonProcessingException e) {
+ print("Failed to list routers in JSON format");
+ }
+ return;
+ }
+ print(FORMAT, "ID", "Name", "External", "Internal");
+ for (Router router: routers) {
+ String exNetId = router.getExternalGatewayInfo() != null ?
+ router.getExternalGatewayInfo().getNetworkId() : null;
+
+ List<String> externals = Lists.newArrayList();
+ if (exNetId != null) {
+ // FIXME fix openstack4j to provide external gateway ip info
+ externals = netService.ports(exNetId).stream()
+ .filter(port -> Objects.equals(port.getDeviceId(),
+ router.getId()))
+ .flatMap(port -> port.getFixedIps().stream())
+ .map(IP::getIpAddress)
+ .collect(Collectors.toList());
+ }
+
+ List<String> internals = Lists.newArrayList();
+ routerService.routerInterfaces(router.getId()).forEach(iface -> {
+ internals.add(getRouterIfaceIp(iface));
+ });
+ print(FORMAT, router.getId(), router.getName(), externals, internals);
+ }
+ }
+
+ private String getRouterIfaceIp(RouterInterface iface) {
+ Port osPort = netService.port(iface.getPortId());
+ IP ipAddr = osPort.getFixedIps().stream()
+ .filter(ip -> ip.getSubnetId().equals(iface.getSubnetId()))
+ .findAny().orElse(null);
+ return ipAddr == null ? "" : ipAddr.getIpAddress();
+ }
+
+ private JsonNode json(List<Router> routers) {
+ ArrayNode result = mapper().enable(INDENT_OUTPUT).createArrayNode();
+ for (Router router: routers) {
+ result.add(writeRouter(router));
+ }
+ return result;
+ }
+
+ private ObjectNode writeRouter(Router osRouter) {
+ try {
+ String strNet = ObjectMapperSingleton.getContext(NeutronRouter.class)
+ .writerFor(NeutronRouter.class)
+ .writeValueAsString(osRouter);
+ return (ObjectNode) mapper().readTree(strNet.getBytes());
+ } catch (Exception e) {
+ throw new IllegalStateException();
+ }
+ }
+}