TabletMemberCommand.java
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/*
* Copyright 2014 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.cli;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cluster.ClusterService;
import org.onosproject.cluster.ControllerNode;
import org.onosproject.store.service.DatabaseAdminService;
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 = "tablet-member",
description = "Lists all member nodes")
public class TabletMemberCommand extends AbstractShellCommand {
// TODO add tablet name argument when we support multiple tablets
@Override
protected void execute() {
DatabaseAdminService service = get(DatabaseAdminService.class);
ClusterService clusterService = get(ClusterService.class);
List<ControllerNode> nodes = newArrayList(service.listMembers());
Collections.sort(nodes, Comparators.NODE_COMPARATOR);
if (outputJson()) {
print("%s", json(service, nodes));
} else {
ControllerNode self = clusterService.getLocalNode();
for (ControllerNode node : nodes) {
print("id=%s, address=%s:%s %s",
node.id(), node.ip(), node.tcpPort(),
node.equals(self) ? "*" : "");
}
}
}
// Produces JSON structure.
private JsonNode json(DatabaseAdminService service, List<ControllerNode> nodes) {
ObjectMapper mapper = new ObjectMapper();
ArrayNode result = mapper.createArrayNode();
for (ControllerNode node : nodes) {
result.add(mapper.createObjectNode()
.put("id", node.id().toString())
.put("ip", node.ip().toString())
.put("tcpPort", node.tcpPort()));
}
return result;
}
}