|
1
|
package eu.dnetlib.index.utils;
|
|
2
|
|
|
3
|
import java.io.IOException;
|
|
4
|
import java.io.InputStream;
|
|
5
|
import java.util.Map;
|
|
6
|
import java.util.Map.Entry;
|
|
7
|
|
|
8
|
import org.apache.commons.io.IOUtils;
|
|
9
|
import org.apache.commons.logging.Log;
|
|
10
|
import org.apache.commons.logging.LogFactory;
|
|
11
|
import org.apache.solr.common.cloud.SolrZkClient;
|
|
12
|
import org.apache.zookeeper.CreateMode;
|
|
13
|
import org.apache.zookeeper.KeeperException;
|
|
14
|
import org.dom4j.Document;
|
|
15
|
import org.springframework.beans.factory.annotation.Autowired;
|
|
16
|
import org.springframework.beans.factory.annotation.Required;
|
|
17
|
import org.springframework.core.io.Resource;
|
|
18
|
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
|
|
19
|
|
|
20
|
import com.google.common.collect.Maps;
|
|
21
|
|
|
22
|
import eu.dnetlib.rmi.provision.IndexServiceException;
|
|
23
|
|
|
24
|
|
|
25
|
/**
|
|
26
|
* The Class ZkUtils.
|
|
27
|
*/
|
|
28
|
public class ZkUtils {
|
|
29
|
|
|
30
|
/**
|
|
31
|
* The log.
|
|
32
|
*/
|
|
33
|
private static final Log log = LogFactory.getLog(ZkUtils.class); // NOPMD by marko on 11/24/08 5:02 PM
|
|
34
|
|
|
35
|
/** The Constant CONFIGS_PATH. */
|
|
36
|
private static final String CONFIGS_PATH = "/configs";
|
|
37
|
|
|
38
|
/** The schema factory. */
|
|
39
|
@Autowired
|
|
40
|
private IndexSchemaFactory schemaFactory;
|
|
41
|
|
|
42
|
/** The config factory. */
|
|
43
|
private IndexConfigFactory configFactory;
|
|
44
|
|
|
45
|
/** The static configuration classpath. */
|
|
46
|
private String staticConfigurationClasspath;
|
|
47
|
|
|
48
|
/**
|
|
49
|
* Upload zookeper config.
|
|
50
|
*
|
|
51
|
* @param zkClient
|
|
52
|
* the zk client
|
|
53
|
* @param coreName
|
|
54
|
* the core name
|
|
55
|
* @param fields
|
|
56
|
* the fields
|
|
57
|
* @param params
|
|
58
|
* the params
|
|
59
|
* @param overwrite
|
|
60
|
* the overwrite
|
|
61
|
*/
|
|
62
|
public void uploadZookeperConfig(final SolrZkClient zkClient,
|
|
63
|
final String coreName,
|
|
64
|
final Document fields,
|
|
65
|
final Map<String, String> params,
|
|
66
|
final boolean overwrite) {
|
|
67
|
|
|
68
|
final String basepath = CONFIGS_PATH + "/" + coreName;
|
|
69
|
|
|
70
|
log.info("uploading solr configuration to ZK for index collection: " + coreName);
|
|
71
|
|
|
72
|
try {
|
|
73
|
if (overwrite && zkClient.getSolrZooKeeper().exists(basepath, false) != null) {
|
|
74
|
log.info("cleanup ZK configuration: " + coreName);
|
|
75
|
for (String child : zkClient.getSolrZooKeeper().getChildren(basepath, false)) {
|
|
76
|
final String path = basepath + "/" + child;
|
|
77
|
log.debug("cleanup ZK file: " + path);
|
|
78
|
zkClient.delete(path, -1, true);
|
|
79
|
}
|
|
80
|
zkClient.delete(basepath, -1, true);
|
|
81
|
}
|
|
82
|
if (!zkClient.exists(basepath, true)) {
|
|
83
|
log.info("upload ZK configuration: " + coreName);
|
|
84
|
zkClient.makePath(basepath, true);
|
|
85
|
uploadConfiguration(zkClient, basepath, buildConfiguration(coreName, fields, params));
|
|
86
|
}
|
|
87
|
log.info("upload ZK configuration complete");
|
|
88
|
} catch (Exception e) {
|
|
89
|
log.error("unable to upload solr configuration", e);
|
|
90
|
}
|
|
91
|
}
|
|
92
|
|
|
93
|
/**
|
|
94
|
* Builds the configuration.
|
|
95
|
*
|
|
96
|
* @param indexName
|
|
97
|
* the index name
|
|
98
|
* @param fields
|
|
99
|
* the fields
|
|
100
|
* @param params
|
|
101
|
* the params
|
|
102
|
* @return the map
|
|
103
|
* @throws IndexServiceException
|
|
104
|
* the index service exception
|
|
105
|
*/
|
|
106
|
private Map<String, byte[]> buildConfiguration(final String indexName, final Document fields, final Map<String, String> params)
|
|
107
|
throws IndexServiceException {
|
|
108
|
|
|
109
|
Map<String, byte[]> res = Maps.newHashMap();
|
|
110
|
|
|
111
|
try {
|
|
112
|
log.debug("adding schema.xml to the resource map");
|
|
113
|
res.put("schema.xml", schemaFactory.getSchema(fields).getBytes());
|
|
114
|
|
|
115
|
res.put("solrconfig.xml", configFactory.getConfig(params).getBytes());
|
|
116
|
log.debug("adding solrconfig.xml to the resource map");
|
|
117
|
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
|
|
118
|
Resource[] resources = resolver.getResources(getStaticConfigurationClasspath());
|
|
119
|
|
|
120
|
for (Resource r : resources) {
|
|
121
|
InputStream is = r.getInputStream();
|
|
122
|
if ((r.getFilename() != null) && !r.getFilename().isEmpty()) {
|
|
123
|
res.put(r.getFilename(), IOUtils.toByteArray(is));
|
|
124
|
log.debug("adding " + r.getFilename() +" to the resource map");
|
|
125
|
is.close();
|
|
126
|
}
|
|
127
|
}
|
|
128
|
return res;
|
|
129
|
} catch (Throwable e) {
|
|
130
|
throw new IndexServiceException("failed to build configuration", e);
|
|
131
|
}
|
|
132
|
}
|
|
133
|
|
|
134
|
/**
|
|
135
|
* Upload configuration.
|
|
136
|
*
|
|
137
|
* @param zkClient
|
|
138
|
* the zk client
|
|
139
|
* @param basePath
|
|
140
|
* the base path
|
|
141
|
* @param resources
|
|
142
|
* the resources
|
|
143
|
* @throws KeeperException
|
|
144
|
* the keeper exception
|
|
145
|
* @throws InterruptedException
|
|
146
|
* the interrupted exception
|
|
147
|
* @throws IOException
|
|
148
|
* Signals that an I/O exception has occurred.
|
|
149
|
*/
|
|
150
|
private void uploadConfiguration(final SolrZkClient zkClient, final String basePath, final Map<String, byte[]> resources) throws KeeperException,
|
|
151
|
InterruptedException, IOException {
|
|
152
|
|
|
153
|
if (!zkClient.exists(basePath, true)) {
|
|
154
|
zkClient.makePath(basePath, true);
|
|
155
|
}
|
|
156
|
|
|
157
|
for (final Entry<String, byte[]> e : resources.entrySet()) {
|
|
158
|
String path = basePath + "/" + e.getKey();
|
|
159
|
log.debug("upload ZK configuration: " + path);
|
|
160
|
zkClient.create(path, e.getValue(), CreateMode.PERSISTENT, true);
|
|
161
|
}
|
|
162
|
}
|
|
163
|
|
|
164
|
/**
|
|
165
|
* Gets the config factory.
|
|
166
|
*
|
|
167
|
* @return the config factory
|
|
168
|
*/
|
|
169
|
public IndexConfigFactory getConfigFactory() {
|
|
170
|
return configFactory;
|
|
171
|
}
|
|
172
|
|
|
173
|
/**
|
|
174
|
* Sets the config factory.
|
|
175
|
*
|
|
176
|
* @param configFactory
|
|
177
|
* the new config factory
|
|
178
|
*/
|
|
179
|
@Required
|
|
180
|
public void setConfigFactory(final IndexConfigFactory configFactory) {
|
|
181
|
this.configFactory = configFactory;
|
|
182
|
}
|
|
183
|
|
|
184
|
/**
|
|
185
|
* Gets the static configuration classpath.
|
|
186
|
*
|
|
187
|
* @return the static configuration classpath
|
|
188
|
*/
|
|
189
|
public String getStaticConfigurationClasspath() {
|
|
190
|
return staticConfigurationClasspath;
|
|
191
|
}
|
|
192
|
|
|
193
|
/**
|
|
194
|
* Sets the static configuration classpath.
|
|
195
|
*
|
|
196
|
* @param staticConfigurationClasspath
|
|
197
|
* the new static configuration classpath
|
|
198
|
*/
|
|
199
|
@Required
|
|
200
|
public void setStaticConfigurationClasspath(final String staticConfigurationClasspath) {
|
|
201
|
this.staticConfigurationClasspath = staticConfigurationClasspath;
|
|
202
|
}
|
|
203
|
|
|
204
|
}
|