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
|
/*-
* ============LICENSE_START=======================================================
* VID
* ================================================================================
* Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2018 - 2019 Nokia. 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.onap.vid.services;
import static org.onap.vid.model.probes.ExternalComponentStatus.Component.SDC;
import static org.onap.vid.properties.Features.FLAG_SERVICE_MODEL_CACHE;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import io.joshworks.restclient.http.HttpResponse;
import java.io.InputStream;
import java.nio.file.Path;
import java.util.UUID;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.sdc.tosca.parser.exceptions.SdcToscaParserException;
import org.onap.vid.aai.ExceptionWithRequestInfo;
import org.onap.vid.aai.HttpResponseWithRequestInfo;
import org.onap.vid.asdc.AsdcCatalogException;
import org.onap.vid.asdc.AsdcClient;
import org.onap.vid.asdc.beans.Service;
import org.onap.vid.asdc.parser.ToscaParser;
import org.onap.vid.asdc.parser.ToscaParserImpl;
import org.onap.vid.asdc.parser.ToscaParserImpl2;
import org.onap.vid.exceptions.GenericUncheckedException;
import org.onap.vid.model.ServiceModel;
import org.onap.vid.model.probes.ErrorMetadata;
import org.onap.vid.model.probes.ExternalComponentStatus;
import org.onap.vid.model.probes.HttpRequestMetadata;
import org.onap.vid.model.probes.StatusMetadata;
import org.onap.vid.properties.VidProperties;
import org.onap.vid.utils.Logging;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpMethod;
import org.springframework.lang.NonNull;
import org.togglz.core.manager.FeatureManager;
/**
* The Class VidController.
*/
@org.springframework.stereotype.Service
public class VidServiceImpl implements VidService {
/**
* The Constant LOG.
*/
private static final EELFLoggerDelegate LOG = EELFLoggerDelegate.getLogger(VidServiceImpl.class);
protected final AsdcClient asdcClient;
private final FeatureManager featureManager;
private ToscaParserImpl2 toscaParser;
private final LoadingCache<String, ServiceModel> serviceModelCache;
private class NullServiceModelException extends Exception {
NullServiceModelException(String modelUuid) {
super("Could not create service model for UUID " + modelUuid);
}
}
@Autowired
public VidServiceImpl(AsdcClient asdcClient, ToscaParserImpl2 toscaParser, FeatureManager featureManager) {
this.asdcClient = asdcClient;
this.featureManager = featureManager;
this.toscaParser=toscaParser;
this.serviceModelCache = CacheBuilder.newBuilder()
.maximumSize(1000)
.expireAfterAccess(7, TimeUnit.DAYS)
.build(new CacheLoader<String, ServiceModel>() {
@Override
public ServiceModel load(String modelUuid) throws AsdcCatalogException, NullServiceModelException {
ServiceModel serviceModel = getServiceFromSdc(modelUuid);
if (serviceModel != null) {
return serviceModel;
} else {
throw new NullServiceModelException(modelUuid);
}
}
});
}
@Override
public ServiceModel getService(String uuid) throws AsdcCatalogException {
if (featureManager.isActive(FLAG_SERVICE_MODEL_CACHE)) {
return getServiceFromCache(uuid);
} else {
return getServiceFromSdc(uuid);
}
}
@NonNull
@Override
public ServiceModel getServiceModelOrThrow(String modelVersionId) {
try {
final ServiceModel serviceModel = getService(modelVersionId);
if (serviceModel == null) {
throw new GenericUncheckedException("Model version '" + modelVersionId + "' not found");
}
return serviceModel;
} catch (AsdcCatalogException e) {
throw new GenericUncheckedException("Exception while loading model version '" + modelVersionId + "'", e);
}
}
private ServiceModel getServiceFromCache(String uuid) throws AsdcCatalogException {
try {
return serviceModelCache.get(uuid);
} catch (ExecutionException e) {
LOG.error("Failed to get service info from cache ", e.getLocalizedMessage());
if (e.getCause() instanceof AsdcCatalogException) {
throw (AsdcCatalogException) e.getCause();
} else if (e.getCause() instanceof NullServiceModelException) {
return null;
} else {
throw new GenericUncheckedException(e);
}
}
}
private ServiceModel getServiceFromSdc(String uuid) throws AsdcCatalogException {
final Path serviceCsar = asdcClient.getServiceToscaModel(UUID.fromString(uuid));
ToscaParser tosca = new ToscaParserImpl();
serviceCsar.toFile().getAbsolutePath();
ServiceModel serviceModel = null;
try {
final Service asdcServiceMetadata = asdcClient.getService(UUID.fromString(uuid));
return getServiceModel(uuid, serviceCsar, tosca, asdcServiceMetadata);
} catch (Exception e) {
LOG.error("Failed to download and process service from SDC", e);
}
return serviceModel;
}
private ServiceModel getServiceModel(String uuid, Path serviceCsar, ToscaParser tosca, Service asdcServiceMetadata) throws AsdcCatalogException {
try {
return toscaParser.makeServiceModel(serviceCsar, asdcServiceMetadata);
} catch (SdcToscaParserException e) {
LOG.error("Failed to create service model using sdc tosca library", e);
return tosca.makeServiceModel(uuid, serviceCsar, asdcServiceMetadata);
}
}
@Override
public void invalidateServiceCache() {
serviceModelCache.invalidateAll();
}
@Override
public ExternalComponentStatus probeComponent() {
UUID modelUUID;
try {
modelUUID = UUID.fromString(VidProperties.getPropertyWithDefault(
VidProperties.PROBE_SDC_MODEL_UUID,""));
}
//in case of no such PROBE_SDC_MODEL_UUID property or non uuid there we check only sdc connectivity
catch (Exception e) {
return probeComponentBySdcConnectivity();
}
return probeSdcByGettingModel(modelUUID);
}
public ExternalComponentStatus probeComponentBySdcConnectivity() {
long startTime = System.currentTimeMillis();
ExternalComponentStatus externalComponentStatus;
try {
HttpResponse<String> stringHttpResponse = asdcClient.checkSDCConnectivity();
HttpRequestMetadata httpRequestMetadata = new HttpRequestMetadata(HttpMethod.GET, stringHttpResponse.getStatus(), asdcClient.getBaseUrl() + AsdcClient.URIS.HEALTH_CHECK_ENDPOINT, stringHttpResponse.getBody(), "SDC healthCheck",
System.currentTimeMillis() - startTime);
externalComponentStatus = new ExternalComponentStatus(ExternalComponentStatus.Component.SDC, stringHttpResponse.isSuccessful(), httpRequestMetadata);
} catch (Exception e) {
ErrorMetadata errorMetadata = new ErrorMetadata(Logging.exceptionToDescription(e), System.currentTimeMillis() - startTime);
externalComponentStatus = new ExternalComponentStatus(ExternalComponentStatus.Component.SDC, false, errorMetadata);
}
return externalComponentStatus;
}
protected ExternalComponentStatus probeSdcByGettingModel(UUID modelUUID) {
final long startTime = System.currentTimeMillis();
HttpResponseWithRequestInfo<InputStream> response = null;
try {
response = asdcClient.getServiceInputStream(modelUUID, true);
int responseStatusCode = response.getResponse().getStatus();
if (responseStatusCode == 404) {
return errorStatus(response, startTime, "model " + modelUUID + " not found in SDC" +
" (consider updating vid probe configuration '" + VidProperties.PROBE_SDC_MODEL_UUID + "')");
} else if (responseStatusCode >= 400) {
return errorStatus(response, startTime, "error while retrieving model " + modelUUID + " from SDC");
} else {
InputStream inputStreamEntity = response.getResponse().getRawBody();//validate we can read the input steam from the response
if (inputStreamEntity.read() <= 0) {
return errorStatus(response, startTime, "error reading model " + modelUUID + " from SDC");
} else {
// RESPONSE IS SUCCESS
return new ExternalComponentStatus(SDC, true,
new HttpRequestMetadata(response, "OK", startTime, false));
}
}
} catch (ExceptionWithRequestInfo e) {
return new ExternalComponentStatus(SDC, false,
new HttpRequestMetadata(e, System.currentTimeMillis() - startTime));
} catch (Exception e) {
return errorStatus(response, startTime, Logging.exceptionToDescription(e));
}
}
private ExternalComponentStatus errorStatus(HttpResponseWithRequestInfo<InputStream> response, long startTime, String description) {
final long duration = System.currentTimeMillis() - startTime;
StatusMetadata statusMetadata = (response == null) ?
new ErrorMetadata(description, duration) :
new HttpRequestMetadata(response, description, duration, true);
return new ExternalComponentStatus(SDC, false, statusMetadata);
}
}
|
