ONOS-5182 Refactored SONA to cache network states
Change-Id: Ib316fa5fa5d36e9da370a1578ac55de4a8dd9b04
diff --git a/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
new file mode 100644
index 0000000..8b489c9
--- /dev/null
+++ b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/cli/OpenstackNetworkListCommand.java
@@ -0,0 +1,92 @@
+/*
+ * 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.openstack4j.core.transport.ObjectMapperSingleton;
+import org.openstack4j.model.network.Network;
+import org.openstack4j.model.network.Subnet;
+import org.openstack4j.openstack.networking.domain.NeutronNetwork;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT;
+
+/**
+ * Lists OpenStack networks.
+ */
+@Command(scope = "onos", name = "openstack-networks",
+ description = "Lists all OpenStack networks")
+public class OpenstackNetworkListCommand extends AbstractShellCommand {
+
+ private static final String FORMAT = "%-40s%-20s%-20s%-8s";
+
+ @Override
+ protected void execute() {
+ OpenstackNetworkService service = AbstractShellCommand.get(OpenstackNetworkService.class);
+ List<Network> networks = Lists.newArrayList(service.networks());
+ networks.sort(Comparator.comparing(Network::getName));
+
+ if (outputJson()) {
+ try {
+ print("%s", mapper().writeValueAsString(json(networks)));
+ } catch (JsonProcessingException e) {
+ print("Failed to list networks in JSON format");
+ }
+ return;
+ }
+
+ print(FORMAT, "ID", "Name", "VNI", "Subnets");
+ for (Network net: networks) {
+ List<String> subnets = service.subnets().stream()
+ .filter(subnet -> subnet.getNetworkId().equals(net.getId()))
+ .map(Subnet::getCidr)
+ .collect(Collectors.toList());
+ print(FORMAT, net.getId(),
+ net.getName(),
+ net.getProviderSegID(),
+ subnets.isEmpty() ? "" : subnets);
+ }
+ }
+
+ private JsonNode json(List<Network> networks) {
+ ArrayNode result = mapper().enable(INDENT_OUTPUT).createArrayNode();
+ for (Network net: networks) {
+ result.add(writeNetwork(net));
+ }
+ return result;
+ }
+
+ private ObjectNode writeNetwork(Network net) {
+ try {
+ String strNet = ObjectMapperSingleton.getContext(NeutronNetwork.class)
+ .writerFor(NeutronNetwork.class)
+ .writeValueAsString(net);
+ return (ObjectNode) mapper().readTree(strNet.getBytes());
+ } catch (Exception e) {
+ throw new IllegalStateException();
+ }
+ }
+}