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
|
/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* 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=========================================================
* Modifications copyright (c) 2018 Nokia
* ================================================================================
*/
package org.openecomp.sdc.be.dao.cassandra.schema;
import com.datastax.driver.core.Cluster;
import com.datastax.driver.core.Session;
import com.datastax.driver.core.SocketOptions;
import org.openecomp.sdc.be.config.Configuration;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.common.log.wrappers.Logger;
import java.util.List;
import java.util.function.Supplier;
public class SdcSchemaUtils {
private static Logger log = Logger.getLogger(SdcSchemaUtils.class.getName());
/**
* the method creates the cluster object using the supplied cassandra nodes
* in the configuration
*
* @return cluster object our null in case of an invalid configuration
*/
public Cluster createCluster() {
final Configuration.CassandrConfig config = getCassandraConfig();
List<String> nodes = config.getCassandraHosts();
Integer cassandraPort = config.getCassandraPort();
if (nodes == null || cassandraPort == null) {
log.info("no nodes or port were supplied in configuration.");
return null;
}
log.info("connecting to node:{} port{}.", nodes, cassandraPort);
Cluster.Builder clusterBuilder = Cluster.builder();
nodes.forEach(node -> clusterBuilder.addContactPoint(node).withPort(cassandraPort));
clusterBuilder.withMaxSchemaAgreementWaitSeconds(60);
if (config.isAuthenticate()) {
String username = config.getUsername();
String password = config.getPassword();
if (username == null || password == null) {
log.info("authentication is enabled but username or password were not supplied.");
return null;
}
clusterBuilder.withCredentials(username, password);
}
if (config.isSsl()) {
String truststorePath = config.getTruststorePath();
String truststorePassword = config.getTruststorePassword();
if (truststorePath == null || truststorePassword == null) {
log.info("ssl is enabled but truststorePath or truststorePassword were not supplied.");
return null;
}
System.setProperty("javax.net.ssl.trustStore", truststorePath);
System.setProperty("javax.net.ssl.trustStorePassword", truststorePassword);
clusterBuilder.withSSL();
}
SocketOptions socketOptions =new SocketOptions();
Integer socketConnectTimeout = config.getSocketConnectTimeout();
if( socketConnectTimeout!=null ){
log.info("SocketConnectTimeout was provided, setting Cassandra client to use SocketConnectTimeout: {} .",socketConnectTimeout);
socketOptions.setConnectTimeoutMillis(socketConnectTimeout);
}
Integer socketReadTimeout = config.getSocketReadTimeout();
if( socketReadTimeout != null ){
log.info("SocketReadTimeout was provided, setting Cassandra client to use SocketReadTimeout: {} .",socketReadTimeout);
socketOptions.setReadTimeoutMillis(socketReadTimeout);
}
clusterBuilder.withSocketOptions(socketOptions);
return clusterBuilder.build();
}
public boolean executeStatement(String statement) {
return executeStatement(this::createCluster, statement);
}
public boolean executeStatements(String ... statements) {
return executeStatements(this::createCluster, statements);
}
boolean executeStatement(Supplier<Cluster> clusterSupplier, String statement) {
return executeStatements(clusterSupplier, statement);
}
boolean executeStatements(Supplier<Cluster> clusterSupplier, String ... statements) {
try(Cluster cluster = clusterSupplier.get();
Session session = cluster.connect()) {
for (String statement : statements) {
session.execute(statement);
}
return true;
} catch (RuntimeException e) {
log.error("could not execute statements", e);
}
return false;
}
Configuration.CassandrConfig getCassandraConfig() {
return ConfigurationManager.getConfigurationManager().getConfiguration().getCassandraConfig();
}
}
|
