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
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
|
/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.aai.dbgen;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import java.util.Properties;
import org.apache.tinkerpop.gremlin.structure.io.IoCore;
import org.apache.tinkerpop.gremlin.structure.io.graphson.LegacyGraphSONReader;
import org.openecomp.aai.dbmap.AAIGraph;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.logging.ErrorLogHelper;
import org.openecomp.aai.util.AAIConfig;
import org.openecomp.aai.util.AAIConstants;
import org.openecomp.aai.util.FormatDate;
import com.att.eelf.configuration.Configuration;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.thinkaurelius.titan.core.TitanGraph;
import com.thinkaurelius.titan.core.TitanVertex;
import com.thinkaurelius.titan.core.util.TitanCleanup;
public class DataSnapshot {
private static EELFLogger LOGGER;
/**
* The main method.
*
* @param args
* the arguments
*/
public static void main(String[] args) {
// Set the logging file properties to be used by EELFManager
Properties props = System.getProperties();
props.setProperty(Configuration.PROPERTY_LOGGING_FILE_NAME, AAIConstants.AAI_DATA_SNAPSHOT_LOGBACK_PROPS);
props.setProperty(Configuration.PROPERTY_LOGGING_FILE_PATH, AAIConstants.AAI_HOME_ETC_APP_PROPERTIES);
LOGGER = EELFManager.getInstance().getLogger(DataSnapshot.class);
Boolean dbClearFlag = false;
TitanGraph graph = null;
String command = "JUST_TAKE_SNAPSHOT"; // This is the default
String oldSnapshotFileName = "";
if (args.length == 1) {
command = args[0];
}
if (args.length == 2) {
// If they pass in a RELOAD_ENTIRE_DB argument, then we will be
// reloading the database
// from the filename passed in -which will be expected to be found
// in our snapshot directory.
command = args[0];
oldSnapshotFileName = args[1];
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
AAIConfig.init();
ErrorLogHelper.loadProperties();
System.out.println("Command = " + command + ", oldSnapshotFileName = " + oldSnapshotFileName);
String targetDir = AAIConstants.AAI_HOME + AAIConstants.AAI_FILESEP + "logs" + AAIConstants.AAI_FILESEP + "data" + AAIConstants.AAI_FILESEP + "dataSnapshots";
// Make sure the dataSnapshots directory is there
new File(targetDir).mkdirs();
System.out.println(" ---- NOTE --- about to open graph (takes a little while)\n");
graph = AAIGraph.getInstance().getGraph();
if (graph == null) {
String emsg = "Not able to get a graph object in DataSnapshot.java\n";
System.out.println(emsg);
System.exit(1);
}
if (command.equals("JUST_TAKE_SNAPSHOT")) {
// ------------------------------------------
// They just want to take a snapshot.
// ------------------------------------------
FormatDate fd = new FormatDate("yyyyMMddHHmm", "GMT");
String dteStr = fd.getDateTime();
String newSnapshotOutFname = targetDir + AAIConstants.AAI_FILESEP + "dataSnapshot.graphSON." + dteStr;
graph.io(IoCore.graphson()).writeGraph(newSnapshotOutFname);
System.out.println("Snapshot written to " + newSnapshotOutFname);
/****
* Don't really want to do this every hour ************** int
* vCount = 0; Iterator vIt =
* graph.query().vertices().iterator(); while( vIt.hasNext() ){
* vCount++; vIt.next(); } System.out.println(
* "A little after taking the snapshot, we see: " + vCount +
* " vertices in the db.");
************/
} else if (command.equals("CLEAR_ENTIRE_DATABASE")) {
// ------------------------------------------------------------------
// They are calling this to clear the db before re-loading it
// later
// ------------------------------------------------------------------
// First - make sure the backup file they will be using can be
// found and has data
if (oldSnapshotFileName.equals("")) {
String emsg = "No oldSnapshotFileName passed to DataSnapshot.";
System.out.println(emsg);
System.exit(1);
}
String oldSnapshotFullFname = targetDir + AAIConstants.AAI_FILESEP + oldSnapshotFileName;
File f = new File(oldSnapshotFullFname);
if (!f.exists()) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " could not be found.";
System.out.println(emsg);
System.exit(1);
} else if (!f.canRead()) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " could not be read.";
System.out.println(emsg);
System.exit(1);
} else if (f.length() == 0) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " had no data.";
System.out.println(emsg);
System.exit(1);
}
System.out.println("\n>>> WARNING <<<< ");
System.out.println(">>> All data and schema in this database will be removed at this point. <<<");
System.out.println(">>> Processing will begin in 5 seconds. <<<");
System.out.println(">>> WARNING <<<< ");
try {
// Give them a chance to back out of this
Thread.sleep(5000);
} catch (java.lang.InterruptedException ie) {
System.out.println(" DB Clearing has been aborted. ");
System.exit(1);
}
System.out.println(" Begin clearing out old data. ");
graph.close();
TitanCleanup.clear(graph);
System.out.println(" Done clearing data. ");
System.out.println(">>> IMPORTANT - NOTE >>> you need to run the SchemaGenerator (use GenTester) before ");
System.out.println(" reloading data or the data will be put in without indexes. ");
dbClearFlag = true;
} else if (command.equals("RELOAD_LEGACY_DATA")) {
// -------------------------------------------------------------------
// They want to restore the database from an old snapshot file
// -------------------------------------------------------------------
if (oldSnapshotFileName.equals("")) {
String emsg = "No oldSnapshotFileName passed to DataSnapshot when RELOAD_LEGACY_DATA used.";
System.out.println(emsg);
System.exit(1);
}
String oldSnapshotFullFname = targetDir + AAIConstants.AAI_FILESEP + oldSnapshotFileName;
File f = new File(oldSnapshotFullFname);
if (!f.exists()) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " could not be found.";
System.out.println(emsg);
System.exit(1);
} else if (!f.canRead()) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " could not be read.";
System.out.println(emsg);
System.exit(1);
} else if (f.length() == 0) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " had no data.";
System.out.println(emsg);
System.exit(1);
}
System.out.println("We will load data IN from the file = " + oldSnapshotFullFname);
System.out.println(" Begin reloading Titan 0.5 data. ");
LegacyGraphSONReader lgr = LegacyGraphSONReader.build().create();
InputStream is = new FileInputStream(oldSnapshotFullFname);
lgr.readGraph(is, graph);
System.out.println("Completed the inputGraph command, now try to commit()... ");
graph.tx().commit();
System.out.println("Completed reloading Titan 0.5 data.");
int vCount = 0;
Iterator<TitanVertex> vIt = graph.query().vertices().iterator();
while (vIt.hasNext()) {
vCount++;
vIt.next();
}
System.out.println("A little after repopulating from an old snapshot, we see: " + vCount + " vertices in the db.");
} else if (command.equals("RELOAD_DATA")) {
// -------------------------------------------------------------------
// They want to restore the database from an old snapshot file
// -------------------------------------------------------------------
if (oldSnapshotFileName.equals("")) {
String emsg = "No oldSnapshotFileName passed to DataSnapshot when RELOAD_DATA used.";
System.out.println(emsg);
System.exit(1);
}
String oldSnapshotFullFname = targetDir + AAIConstants.AAI_FILESEP + oldSnapshotFileName;
File f = new File(oldSnapshotFullFname);
if (!f.exists()) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " could not be found.";
System.out.println(emsg);
System.exit(1);
} else if (!f.canRead()) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " could not be read.";
System.out.println(emsg);
System.exit(1);
} else if (f.length() == 0) {
String emsg = "oldSnapshotFile " + oldSnapshotFullFname + " had no data.";
System.out.println(emsg);
System.exit(1);
}
System.out.println("We will load data IN from the file = " + oldSnapshotFullFname);
System.out.println(" Begin reloading data. ");
graph.io(IoCore.graphson()).readGraph(oldSnapshotFullFname);
System.out.println("Completed the inputGraph command, now try to commit()... ");
graph.tx().commit();
System.out.println("Completed reloading data.");
int vCount = 0;
Iterator<TitanVertex> vIt = graph.query().vertices().iterator();
while (vIt.hasNext()) {
vCount++;
vIt.next();
}
System.out.println("A little after repopulating from an old snapshot, we see: " + vCount + " vertices in the db.");
} else {
String emsg = "Bad command passed to DataSnapshot: [" + command + "]";
System.out.println(emsg);
System.exit(1);
}
} catch (AAIException e) {
ErrorLogHelper.logError("AAI_6128", e.getMessage());
} catch (Exception ex) {
ErrorLogHelper.logError("AAI_6128", ex.getMessage());
} finally {
if (!dbClearFlag && graph != null) {
// Any changes that worked correctly should have already done
// thier commits.
if (graph.isOpen()) {
graph.tx().rollback();
graph.close();
}
}
try {
baos.close();
} catch (IOException iox) {
}
}
System.exit(0);
}// End of main()
}
|