| /* |
| * Copyright 2017-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.api.action.Command; |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| import org.onosproject.cluster.ClusterAdminService; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.cluster.Member; |
| import org.onosproject.cluster.MembershipService; |
| |
| import java.util.List; |
| import java.util.Optional; |
| |
| import static com.google.common.collect.Lists.newArrayList; |
| import static org.onosproject.utils.Comparators.MEMBERSHIP_COMPARATOR; |
| |
| /** |
| * Command to list the memberships in the system. |
| */ |
| @Service |
| @Command(scope = "onos", name = "memberships", |
| description = "Lists information about memberships in the system") |
| public class MembershipsListCommand extends AbstractShellCommand { |
| |
| @Override |
| protected void doExecute() { |
| MembershipService service = get(MembershipService.class); |
| ClusterAdminService clusterService = get(ClusterAdminService.class); |
| |
| if (outputJson()) { |
| print("%s", json(service)); |
| } else { |
| service.getGroups().forEach(group -> { |
| List<Member> members = newArrayList(group.members()); |
| print("-------------------------------------------------------------------"); |
| print("Version: %s, Members: %d", group.version(), members.size()); |
| members.sort(MEMBERSHIP_COMPARATOR); |
| members.forEach( |
| member -> { |
| Optional<ControllerNode> controllerNode = |
| Optional.ofNullable(clusterService.getNode(member.nodeId())); |
| |
| if (!controllerNode.isPresent()) { |
| print(" id=%s, version=%s, self=%s", |
| member.nodeId(), |
| member.version(), |
| member.equals(service.getLocalMember()) ? "*" : ""); |
| } else { |
| ControllerNode node = controllerNode.get(); |
| print(" id=%s, ip=%s, tcpPort=%s, state=%s, self=%s", |
| member.nodeId(), |
| node.ip(), |
| node.tcpPort(), |
| clusterService.getState(node.id()), |
| member.equals(service.getLocalMember()) ? "*" : ""); |
| } |
| } |
| ); |
| print("-------------------------------------------------------------------"); |
| }); |
| } |
| } |
| |
| /** |
| * Produces JSON structure. |
| * |
| * @param service membership service |
| * @return json structure |
| */ |
| private JsonNode json(MembershipService service) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ArrayNode result = mapper.createArrayNode(); |
| |
| service.getGroups().forEach(group -> { |
| ObjectNode groupNode = mapper.createObjectNode(); |
| |
| ArrayNode membersNode = mapper.createArrayNode(); |
| groupNode.put("version", group.version().toString()); |
| groupNode.put("members", membersNode); |
| |
| group.members().forEach(member -> membersNode.add(member.nodeId().toString())); |
| |
| result.add(groupNode); |
| }); |
| |
| return result; |
| } |
| } |