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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
// Copyright (C) 2013 The Android Open Source Project
//
// 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 com.googlesource.gerrit.plugins.replication;
import com.google.gerrit.common.EventDispatcher;
import com.google.gerrit.server.events.RefEvent;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gwtorm.server.OrmException;
import com.googlesource.gerrit.plugins.replication.ReplicationState.RefPushResult;
import java.lang.ref.WeakReference;
import java.util.concurrent.atomic.AtomicBoolean;
import org.eclipse.jgit.transport.RemoteRefUpdate;
import org.eclipse.jgit.transport.URIish;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public abstract class PushResultProcessing {
abstract void onRefReplicatedToOneNode(
String project,
String ref,
URIish uri,
RefPushResult status,
RemoteRefUpdate.Status refStatus);
abstract void onRefReplicatedToAllNodes(String project, String ref, int nodesCount);
abstract void onAllRefsReplicatedToAllNodes(int totalPushTasksCount);
/**
* Write message to standard out.
*
* @param message message text.
*/
void writeStdOut(String message) {
// Default doing nothing
}
/**
* Write message to standard error.
*
* @param message message text.
*/
void writeStdErr(String message) {
// Default doing nothing
}
static String resolveNodeName(URIish uri) {
StringBuilder sb = new StringBuilder();
if (uri.isRemote()) {
sb.append(uri.getHost());
if (uri.getPort() != -1) {
sb.append(":");
sb.append(uri.getPort());
}
} else {
sb.append(uri.getPath());
}
return sb.toString();
}
public static class CommandProcessing extends PushResultProcessing {
private WeakReference<StartCommand> sshCommand;
private AtomicBoolean hasError = new AtomicBoolean();
CommandProcessing(StartCommand sshCommand) {
this.sshCommand = new WeakReference<>(sshCommand);
}
@Override
void onRefReplicatedToOneNode(
String project,
String ref,
URIish uri,
RefPushResult status,
RemoteRefUpdate.Status refStatus) {
StringBuilder sb = new StringBuilder();
sb.append("Replicate ");
sb.append(project);
sb.append(" ref ");
sb.append(ref);
sb.append(" to ");
sb.append(resolveNodeName(uri));
sb.append(", ");
switch (status) {
case SUCCEEDED:
sb.append("Succeeded!");
break;
case FAILED:
sb.append("FAILED!");
hasError.compareAndSet(false, true);
break;
case NOT_ATTEMPTED:
sb.append("NOT ATTEMPTED!");
break;
default:
sb.append("UNKNOWN RESULT!");
break;
}
sb.append(" (");
sb.append(refStatus.toString());
sb.append(")");
writeStdOut(sb.toString());
}
@Override
void onRefReplicatedToAllNodes(String project, String ref, int nodesCount) {
StringBuilder sb = new StringBuilder();
sb.append("Replication of ");
sb.append(project);
sb.append(" ref ");
sb.append(ref);
sb.append(" completed to ");
sb.append(nodesCount);
sb.append(" nodes, ");
writeStdOut(sb.toString());
}
@Override
void onAllRefsReplicatedToAllNodes(int totalPushTasksCount) {
if (totalPushTasksCount == 0) {
return;
}
writeStdOut("----------------------------------------------");
if (hasError.get()) {
writeStdOut("Replication completed with some errors!");
} else {
writeStdOut("Replication completed successfully!");
}
}
@Override
void writeStdOut(String message) {
StartCommand command = sshCommand.get();
if (command != null) {
command.writeStdOutSync(message);
}
}
@Override
void writeStdErr(String message) {
StartCommand command = sshCommand.get();
if (command != null) {
command.writeStdErrSync(message);
}
}
}
public static class GitUpdateProcessing extends PushResultProcessing {
private static final Logger log = LoggerFactory.getLogger(GitUpdateProcessing.class);
private final EventDispatcher dispatcher;
public GitUpdateProcessing(EventDispatcher dispatcher) {
this.dispatcher = dispatcher;
}
@Override
void onRefReplicatedToOneNode(
String project,
String ref,
URIish uri,
RefPushResult status,
RemoteRefUpdate.Status refStatus) {
postEvent(new RefReplicatedEvent(project, ref, resolveNodeName(uri), status, refStatus));
}
@Override
void onRefReplicatedToAllNodes(String project, String ref, int nodesCount) {
postEvent(new RefReplicationDoneEvent(project, ref, nodesCount));
}
@Override
void onAllRefsReplicatedToAllNodes(int totalPushTasksCount) {}
private void postEvent(RefEvent event) {
try {
dispatcher.postEvent(event);
} catch (OrmException | PermissionBackendException e) {
log.error("Cannot post event", e);
}
}
}
}
|
