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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.service.slobrok;
import com.yahoo.component.annotation.Inject;
import com.yahoo.component.AbstractComponent;
import com.yahoo.config.model.api.ApplicationInfo;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.jrt.Supervisor;
import com.yahoo.jrt.Transport;
import com.yahoo.jrt.slobrok.api.Mirror;
import java.util.logging.Level;
import com.yahoo.vespa.applicationmodel.ClusterId;
import com.yahoo.vespa.applicationmodel.ConfigId;
import com.yahoo.vespa.applicationmodel.ServiceStatus;
import com.yahoo.vespa.applicationmodel.ServiceStatusInfo;
import com.yahoo.vespa.applicationmodel.ServiceType;
import com.yahoo.vespa.service.duper.DuperModelManager;
import com.yahoo.vespa.service.manager.MonitorManager;
import com.yahoo.vespa.service.monitor.SlobrokApi;
import java.util.HashMap;
import java.util.List;
import java.util.Optional;
import java.util.function.Supplier;
import java.util.logging.Logger;
public class SlobrokMonitorManagerImpl extends AbstractComponent implements SlobrokApi, MonitorManager {
private static final Logger logger =
Logger.getLogger(SlobrokMonitorManagerImpl.class.getName());
private final Supplier<SlobrokMonitor> slobrokMonitorFactory;
private final Object monitor = new Object();
private final HashMap<ApplicationId, SlobrokMonitor> slobrokMonitors = new HashMap<>();
private final DuperModelManager duperModel;
private final Transport transport;
private static int getTransportThreadCount() {
return Math.max(4, Runtime.getRuntime().availableProcessors());
}
@Inject
public SlobrokMonitorManagerImpl(DuperModelManager duperModel) {
this(new Transport("slobrok-monitor", getTransportThreadCount() / 4), duperModel);
}
private SlobrokMonitorManagerImpl(Transport transport, DuperModelManager duperModel) {
this(transport, new Supervisor(transport), duperModel);
}
private SlobrokMonitorManagerImpl(Transport transport, Supervisor orb, DuperModelManager duperModel) {
this(() -> new SlobrokMonitor(orb), transport, duperModel);
orb.setDropEmptyBuffers(true);
}
SlobrokMonitorManagerImpl(Supplier<SlobrokMonitor> slobrokMonitorFactory, Transport transport, DuperModelManager duperModel) {
this.slobrokMonitorFactory = slobrokMonitorFactory;
this.transport = transport;
this.duperModel = duperModel;
}
@Override
public void applicationActivated(ApplicationInfo application) {
if (wouldNotMonitor(application.getApplicationId())) {
return;
}
synchronized (monitor) {
SlobrokMonitor slobrokMonitor = slobrokMonitors.computeIfAbsent(
application.getApplicationId(),
id -> slobrokMonitorFactory.get());
slobrokMonitor.updateSlobrokList(application);
}
}
@Override
public void applicationRemoved(ApplicationId id) {
if (wouldNotMonitor(id)) {
return;
}
synchronized (monitor) {
SlobrokMonitor slobrokMonitor = slobrokMonitors.remove(id);
if (slobrokMonitor == null) {
logger.log(Level.WARNING, "Removed application " + id +
", but it was never registered");
} else {
slobrokMonitor.close();
}
}
}
@Override
public void bootstrapComplete() {
}
@Override
public void deconstruct() {
transport.shutdown().join();
}
@Override
public List<Mirror.Entry> lookup(ApplicationId id, String pattern) {
synchronized (monitor) {
SlobrokMonitor slobrokMonitor = slobrokMonitors.get(id);
if (slobrokMonitor == null) {
throw new IllegalArgumentException("Slobrok manager has no knowledge of application " + id);
} else {
return slobrokMonitor.lookup(pattern);
}
}
}
@Override
public ServiceStatusInfo getStatus(ApplicationId applicationId,
ClusterId clusterId,
ServiceType serviceType,
ConfigId configId) {
if (wouldNotMonitor(applicationId)) {
return new ServiceStatusInfo(ServiceStatus.NOT_CHECKED);
}
Optional<String> slobrokServiceName = findSlobrokServiceName(serviceType, configId);
if (slobrokServiceName.isPresent()) {
synchronized (monitor) {
SlobrokMonitor slobrokMonitor = slobrokMonitors.get(applicationId);
if (slobrokMonitor != null && slobrokMonitor.registeredInSlobrok(slobrokServiceName.get())) {
return new ServiceStatusInfo(ServiceStatus.UP);
} else {
return new ServiceStatusInfo(ServiceStatus.DOWN);
}
}
} else {
return new ServiceStatusInfo(ServiceStatus.NOT_CHECKED);
}
}
private boolean wouldNotMonitor(ApplicationId applicationId) {
return duperModel.isSupportedInfraApplication(applicationId);
}
/**
* Get the Slobrok service name of the service, or empty if the service
* is not registered with Slobrok.
*/
Optional<String> findSlobrokServiceName(ServiceType serviceType, ConfigId configId) {
switch (serviceType.s()) {
case "config-sentinel":
case "configproxy":
case "configserver":
case "logd":
case "logserver":
case "metricsproxy":
case "slobrok":
case "transactionlogserver":
return Optional.empty();
case "qrserver":
case "container":
case "container-clustercontroller":
case "logserver-container":
case "metricsproxy-container":
return Optional.of("vespa/service/" + configId.s());
case "searchnode": //TODO: handle only as storagenode instead of both as searchnode/storagenode
return Optional.of(configId.s() + "/realtimecontroller");
case "distributor":
case "storagenode":
return Optional.of("storage/cluster." + configId.s());
default:
logger.log(Level.FINE, () -> "Unknown service type " + serviceType.s() +
" with config id " + configId.s());
return Optional.empty();
}
}
}
|
