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
|
/*-
* ============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=========================================================
*/
package org.openecomp.sdc.be.dao.impl;
import com.fasterxml.jackson.core.JsonProcessingException;
import fj.data.Either;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.common.unit.TimeValue;
import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.be.dao.api.ESGenericSearchDAO;
import org.openecomp.sdc.be.dao.api.ICatalogDAO;
import org.openecomp.sdc.be.dao.api.ResourceUploadStatus;
import org.openecomp.sdc.be.resources.data.ESArtifactData;
import org.openecomp.sdc.be.resources.exception.ResourceDAOException;
import org.openecomp.sdc.common.api.HealthCheckInfo.HealthCheckStatus;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
@Component("resource-dao")
public class ESCatalogDAO extends ESGenericSearchDAO implements ICatalogDAO {
private static Logger log = Logger.getLogger(ESCatalogDAO.class.getName());
//TODO use LoggerMetric instead
private static Logger healthCheckLogger = Logger.getLogger("elasticsearch.healthcheck");
///// HealthCheck/////////
private static final String ES_HEALTH_CHECK_STR = "elasticsearchHealthCheck";
private ScheduledExecutorService healthCheckScheduler = Executors
.newSingleThreadScheduledExecutor(new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
return new Thread(r, "ES-Health-Check-Thread");
}
});
private class HealthCheckScheduledTask implements Runnable {
@Override
public void run() {
log.trace("Executing ELASTICSEARCH Health Check Task - Start");
HealthCheckStatus healthStatus = null;
try {
healthStatus = isInitCompleted() ? checkHealth() : HealthCheckStatus.DOWN;
} catch (Exception e) {
log.error("Error while trying to connect to elasticsearch. host: {} | port: {} | error: {}",
getEsClient().getServerHost(), getEsClient().getServerPort(), e.getMessage(), e);
healthStatus = HealthCheckStatus.DOWN;
}
log.trace("Executed ELASTICSEARCH Health Check Task - Status = {}", healthStatus);
if (healthStatus != lastHealthState) {
log.trace("ELASTICSEARCH Health State Changed to {}. Issuing alarm / recovery alarm...", healthStatus);
lastHealthState = healthStatus;
logAlarm();
}
}
}
private HealthCheckScheduledTask healthCheckScheduledTask = new HealthCheckScheduledTask();
private volatile HealthCheckStatus lastHealthState = HealthCheckStatus.DOWN;
/**
* Get ES cluster status string rep
*
* @return "GREEN", "YELLOW" or "RED"
*/
private HealthCheckStatus checkHealth() {
if (!isInitCompleted()) {
return HealthCheckStatus.DOWN;
}
ClusterHealthRequest healthRequest = new ClusterHealthRequest("_all");
healthRequest.masterNodeTimeout(TimeValue.timeValueSeconds(2));
ClusterHealthStatus status = getClient().admin().cluster().health(healthRequest).actionGet().getStatus();
healthCheckLogger.debug("ES cluster health status is {}", status);
if (status == null || status.equals(ClusterHealthStatus.RED)) {
return HealthCheckStatus.DOWN;
}
return HealthCheckStatus.UP;
}
private void logAlarm() {
if (lastHealthState == HealthCheckStatus.UP) {
BeEcompErrorManager.getInstance().logBeHealthCheckElasticSearchRecovery(ES_HEALTH_CHECK_STR);
} else {
BeEcompErrorManager.getInstance().logBeHealthCheckElasticSearchError(ES_HEALTH_CHECK_STR);
}
}
@PostConstruct
public void initCompleted() {
long interval = ConfigurationManager.getConfigurationManager().getConfiguration()
.getEsReconnectIntervalInSeconds(5);
this.healthCheckScheduler.scheduleAtFixedRate(healthCheckScheduledTask, 0, interval, TimeUnit.SECONDS);
initCompleted = true;
}
// Index Checking Variables
private boolean initCompleted = false;
@Override
public void writeArtifact(ESArtifactData artifactData) throws ResourceDAOException {
try {
saveResourceData(artifactData);
} catch (Exception e) {
throw new ResourceDAOException("Error to save ArtifactData with " + artifactData.getId());
}
}
@Override
public Either<ESArtifactData, ResourceUploadStatus> getArtifact(String id) {
ESArtifactData resData = null;
try {
resData = findById(getTypeFromClass(ESArtifactData.class), id, ESArtifactData.class);
} catch (Exception e) {
resData = null;
BeEcompErrorManager.getInstance().logBeDaoSystemError("Get Artifact from database");
log.debug("ESCatalogDAO:getArtifact failed with exception ", e);
return Either.right(ResourceUploadStatus.ERROR);
}
if (resData != null) {
return Either.left(resData);
} else {
return Either.right(ResourceUploadStatus.NOT_EXIST);
}
}
private <T> String getTypeFromClass(Class<T> clazz) {
return clazz.getSimpleName().toLowerCase();
}
@Override
public void deleteArtifact(String id) {
delete(getTypeFromClass(ESArtifactData.class), id);
}
@Override
public Either<List<ESArtifactData>, ResourceUploadStatus> getArtifacts(String[] ids) {
List<ESArtifactData> resData = null;
try {
resData = findByIds(getTypeFromClass(ESArtifactData.class), ESArtifactData.class, ids);
} catch (Exception e) {
resData = null;
return Either.right(ResourceUploadStatus.ERROR);
}
if (resData != null && !resData.isEmpty()) {
return Either.left(resData);
} else {
return Either.right(ResourceUploadStatus.NOT_EXIST);
}
}
private void saveResourceData(ESArtifactData data) throws JsonProcessingException {
String typeName = getTypeFromClass(data.getClass());
saveResourceData(typeName, data, data.getId());
}
@Override
public void deleteAllArtifacts() {
String typeName = getTypeFromClass(ESArtifactData.class);
String indexName = getIndexForType(typeName);
deleteIndex(indexName);
}
public boolean isInitCompleted() {
return initCompleted;
}
public HealthCheckStatus getHealth() {
return lastHealthState;
}
}
|
