| /* |
| * Copyright 2014-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.cli; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.apache.karaf.shell.commands.Command; |
| import org.onosproject.cluster.ClusterAdminService; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.core.Version; |
| import org.onosproject.utils.Comparators; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import static com.google.common.collect.Lists.newArrayList; |
| |
| /** |
| * Lists all controller cluster nodes. |
| */ |
| @Command(scope = "onos", name = "nodes", |
| description = "Lists all controller cluster nodes") |
| public class NodesListCommand extends AbstractShellCommand { |
| |
| private static final String FMT = "id=%s, address=%s:%s, state=%s, version=%s, updated=%s %s"; |
| |
| @Override |
| protected void execute() { |
| ClusterAdminService service = get(ClusterAdminService.class); |
| List<ControllerNode> nodes = newArrayList(service.getNodes()); |
| Collections.sort(nodes, Comparators.NODE_COMPARATOR); |
| if (outputJson()) { |
| print("%s", json(service, nodes)); |
| } else { |
| ControllerNode self = service.getLocalNode(); |
| for (ControllerNode node : nodes) { |
| String timeAgo = service.localStatus(node.id()); |
| Version version = service.getVersion(node.id()); |
| print(FMT, node.id(), node.ip(), node.tcpPort(), |
| service.getState(node.id()), |
| version == null ? "unknown" : version, |
| timeAgo, |
| node.equals(self) ? "*" : ""); |
| } |
| } |
| } |
| |
| // Produces JSON structure. |
| private JsonNode json(ClusterAdminService service, List<ControllerNode> nodes) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ArrayNode result = mapper.createArrayNode(); |
| ControllerNode self = service.getLocalNode(); |
| for (ControllerNode node : nodes) { |
| ControllerNode.State nodeState = service.getState(node.id()); |
| Version nodeVersion = service.getVersion(node.id()); |
| ObjectNode newNode = mapper.createObjectNode() |
| .put("id", node.id().toString()) |
| .put("ip", node.ip().toString()) |
| .put("tcpPort", node.tcpPort()) |
| .put("self", node.equals(self)); |
| if (nodeState != null) { |
| newNode.put("state", nodeState.toString()); |
| } |
| if (nodeVersion != null) { |
| newNode.put("version", nodeVersion.toString()); |
| } |
| result.add(newNode); |
| } |
| return result; |
| } |
| |
| } |