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
|
/*
* ============LICENSE_START=======================================================
* Copyright (C) 2023 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.dmi.rest.stub.controller;
import static org.onap.cps.ncmp.api.NcmpResponseStatus.SUCCESS;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.cloudevents.CloudEvent;
import io.cloudevents.core.builder.CloudEventBuilder;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.onap.cps.ncmp.api.impl.utils.EventDateTimeFormatter;
import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.CmHandle;
import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.DataOperationRequest;
import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.DmiDataOperationRequest;
import org.onap.cps.ncmp.dmi.rest.stub.utils.ResourceFileReaderUtil;
import org.onap.cps.ncmp.events.async1_0_0.Data;
import org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent;
import org.onap.cps.ncmp.events.async1_0_0.Response;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.ResourceLoader;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("${rest.api.dmi-stub-base-path}")
@RequiredArgsConstructor
@Slf4j
public class DmiRestStubController {
private final KafkaTemplate<String, CloudEvent> cloudEventKafkaTemplate;
private final ObjectMapper objectMapper;
private final ApplicationContext applicationContext;
@Value("${app.ncmp.async-m2m.topic}")
private String ncmpAsyncM2mTopic;
private String dataOperationEventType = "org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent";
/**
* Get all modules for given cm handle.
*
* @param cmHandle The identifier for a network function, network element, subnetwork,
* or any other cm object by managed Network CM Proxy
* @param moduleReferencesRequest module references request body
* @return ResponseEntity response entity having module response as json string.
*/
@PostMapping("/v1/ch/{cmHandle}/modules")
public ResponseEntity<String> getModuleReferences(@PathVariable final String cmHandle,
@RequestBody final Object moduleReferencesRequest) {
final String moduleResponseContent = ResourceFileReaderUtil
.getResourceFileContent(applicationContext.getResource(
ResourceLoader.CLASSPATH_URL_PREFIX + "module/moduleResponse.json"));
log.info("cm handle: {} requested for modules", cmHandle);
return ResponseEntity.ok(moduleResponseContent);
}
/**
* Get all module resources for given cm handle.
*
* @param cmHandle The identifier for a network function, network element, subnetwork,
* or any other cm object by managed Network CM Proxy
* @param moduleResourcesReadRequest module resources read request body
* @return ResponseEntity response entity having module resources response as json string.
*/
@PostMapping("/v1/ch/{cmHandle}/moduleResources")
public ResponseEntity<String> retrieveModuleResources(
@PathVariable final String cmHandle,
@RequestBody final Object moduleResourcesReadRequest) {
final String moduleResourcesResponseContent = ResourceFileReaderUtil
.getResourceFileContent(applicationContext.getResource(
ResourceLoader.CLASSPATH_URL_PREFIX + "module/moduleResourcesResponse.json"));
log.info("cm handle: {} requested for module resources", cmHandle);
return ResponseEntity.ok(moduleResourcesResponseContent);
}
/**
* This method is not implemented for ONAP DMI plugin.
*
* @param topic client given topic name
* @param requestId requestId generated by NCMP as an ack for client
* @param dmiDataOperationRequest list of operation details
* @return (@ code ResponseEntity) response entity
*/
@PostMapping("/v1/data")
public ResponseEntity<Void> getResourceDataForCmHandleDataOperation(@RequestParam(value = "topic")
final String topic,
@RequestParam(value = "requestId")
final String requestId,
@RequestBody final DmiDataOperationRequest
dmiDataOperationRequest) {
try {
log.info("Request received from the NCMP to DMI Plugin: {}",
objectMapper.writeValueAsString(dmiDataOperationRequest));
} catch (final JsonProcessingException jsonProcessingException) {
log.info("Unable to process dmi data operation request to json string");
}
dmiDataOperationRequest.getOperations().forEach(dmiDataOperation -> {
final DataOperationEvent dataOperationEvent = getDataOperationEvent(dmiDataOperation);
dmiDataOperation.getCmHandles().forEach(cmHandle -> {
dataOperationEvent.getData().getResponses().get(0).setIds(List.of(cmHandle.getId()));
final CloudEvent cloudEvent = buildAndGetCloudEvent(topic, requestId, dataOperationEvent);
cloudEventKafkaTemplate.send(ncmpAsyncM2mTopic, UUID.randomUUID().toString(), cloudEvent);
});
});
return new ResponseEntity<>(HttpStatus.ACCEPTED);
}
private CloudEvent buildAndGetCloudEvent(final String topic, final String requestId,
final DataOperationEvent dataOperationEvent) {
CloudEvent cloudEvent = null;
try {
cloudEvent = CloudEventBuilder.v1()
.withId(UUID.randomUUID().toString())
.withSource(URI.create("DMI"))
.withType(dataOperationEventType)
.withDataSchema(URI.create("urn:cps:" + dataOperationEventType + ":1.0.0"))
.withTime(EventDateTimeFormatter.toIsoOffsetDateTime(
EventDateTimeFormatter.getCurrentIsoFormattedDateTime()))
.withData(objectMapper.writeValueAsBytes(dataOperationEvent))
.withExtension("destination", topic)
.withExtension("correlationid", requestId)
.build();
} catch (final JsonProcessingException jsonProcessingException) {
log.error("Unable to parse event into bytes. cause : {}", jsonProcessingException.getMessage());
}
return cloudEvent;
}
private DataOperationEvent getDataOperationEvent(final DataOperationRequest dataOperationRequest) {
final Response response = new Response();
response.setOperationId(dataOperationRequest.getOperationId());
response.setStatusCode(SUCCESS.getCode());
response.setStatusMessage(SUCCESS.getMessage());
response.setIds(dataOperationRequest.getCmHandles().stream().map(CmHandle::getId).toList());
response.setResourceIdentifier(dataOperationRequest.getResourceIdentifier());
response.setOptions(dataOperationRequest.getOptions());
final String ietfNetworkTopologySample = ResourceFileReaderUtil
.getResourceFileContent(applicationContext.getResource(
ResourceLoader.CLASSPATH_URL_PREFIX
+ "data/operational/ietf-network-topology-sample-rfc8345.json"));
final JSONParser jsonParser = new JSONParser();
try {
response.setResult(jsonParser.parse(ietfNetworkTopologySample));
} catch (final ParseException parseException) {
log.error("Unable to parse event result as json object. cause : {}", parseException.getMessage());
}
final List<Response> responseList = new ArrayList<>(1);
responseList.add(response);
final Data data = new Data();
data.setResponses(responseList);
final DataOperationEvent dataOperationEvent = new DataOperationEvent();
dataOperationEvent.setData(data);
return dataOperationEvent;
}
}
|
