1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*
* Copyright 2014-2015 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 com.fasterxml.jackson.databind.node.ObjectNode;
import org.apache.karaf.shell.commands.Command;
import org.joda.time.DateTime;
import org.onlab.util.Tools;
import org.onosproject.cluster.ClusterService;
import org.onosproject.cluster.ControllerNode;
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, updated=%s %s";
@Override
protected void execute() {
ClusterService service = get(ClusterService.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) {
DateTime lastUpdated = service.getLastUpdated(node.id());
String timeAgo = "Never";
if (lastUpdated != null) {
timeAgo = Tools.timeAgo(lastUpdated.getMillis());
}
print(FMT, node.id(), node.ip(), node.tcpPort(),
service.getState(node.id()),
timeAgo,
node.equals(self) ? "*" : "");
}
}
}
// Produces JSON structure.
private JsonNode json(ClusterService 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());
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());
}
result.add(newNode);
}
return result;
}
}
|
