Creating PM-producer
[nonrtric/plt/ranpm.git] / pmproducer / src / main / java / org / oran / pmproducer / controllers / ProducerCallbacksController.java
1 /*-
2  * ========================LICENSE_START=================================
3  * O-RAN-SC
4  * %%
5  * Copyright (C) 2023 Nordix Foundation
6  * %%
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  * ========================LICENSE_END===================================
19  */
20
21 package org.oran.pmproducer.controllers;
22
23 import com.google.gson.Gson;
24 import com.google.gson.GsonBuilder;
25
26 import io.swagger.v3.oas.annotations.Operation;
27 import io.swagger.v3.oas.annotations.media.ArraySchema;
28 import io.swagger.v3.oas.annotations.media.Content;
29 import io.swagger.v3.oas.annotations.media.Schema;
30 import io.swagger.v3.oas.annotations.responses.ApiResponse;
31 import io.swagger.v3.oas.annotations.responses.ApiResponses;
32 import io.swagger.v3.oas.annotations.tags.Tag;
33
34 import java.util.ArrayList;
35 import java.util.Collection;
36 import java.util.List;
37
38 import org.oran.pmproducer.exceptions.ServiceException;
39 import org.oran.pmproducer.r1.ProducerJobInfo;
40 import org.oran.pmproducer.repository.InfoTypes;
41 import org.oran.pmproducer.repository.Job;
42 import org.oran.pmproducer.repository.Jobs;
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
45 import org.springframework.beans.factory.annotation.Autowired;
46 import org.springframework.http.HttpStatus;
47 import org.springframework.http.MediaType;
48 import org.springframework.http.ResponseEntity;
49 import org.springframework.web.bind.annotation.DeleteMapping;
50 import org.springframework.web.bind.annotation.GetMapping;
51 import org.springframework.web.bind.annotation.PathVariable;
52 import org.springframework.web.bind.annotation.PostMapping;
53 import org.springframework.web.bind.annotation.RequestBody;
54 import org.springframework.web.bind.annotation.RestController;
55
56 @RestController("ConfigurationControllerV2")
57 @Tag(name = ProducerCallbacksController.API_NAME)
58 public class ProducerCallbacksController {
59     private static final Logger logger = LoggerFactory.getLogger(ProducerCallbacksController.class);
60
61     public static final String API_NAME = "Producer job control API";
62     public static final String API_DESCRIPTION = "";
63     public static final String JOB_URL = "/generic_dataproducer/info_job";
64     public static final String SUPERVISION_URL = "/generic_dataproducer/health_check";
65
66     public static final String STATISTICS_URL = "/statistics";
67
68     private static Gson gson = new GsonBuilder().disableHtmlEscaping().create();
69     private final Jobs jobs;
70     private final InfoTypes types;
71
72     public ProducerCallbacksController(@Autowired Jobs jobs, @Autowired InfoTypes types) {
73         this.jobs = jobs;
74         this.types = types;
75     }
76
77     @PostMapping(path = JOB_URL, produces = MediaType.APPLICATION_JSON_VALUE)
78     @Operation(summary = "Callback for Information Job creation/modification",
79             description = "The call is invoked to activate or to modify a data subscription. The endpoint is provided by the Information Producer.")
80     @ApiResponses(value = { //
81             @ApiResponse(responseCode = "200", description = "OK", //
82                     content = @Content(schema = @Schema(implementation = VoidResponse.class))), //
83             @ApiResponse(responseCode = "404", description = "Information type is not found", //
84                     content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))), //
85             @ApiResponse(responseCode = "400", description = "Other error in the request", //
86                     content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))) //
87     })
88     public ResponseEntity<Object> jobCreatedCallback( //
89             @RequestBody String body) {
90         try {
91             ProducerJobInfo request = gson.fromJson(body, ProducerJobInfo.class);
92             logger.debug("Job started callback id: {}, body: {}", request.id, body);
93             this.jobs.addJob(request.id, types.getType(request.typeId), request.owner, request.lastUpdated,
94                     toJobParameters(request.jobData));
95             return new ResponseEntity<>(HttpStatus.OK);
96         } catch (ServiceException e) {
97             logger.warn("jobCreatedCallback failed: {}", e.getMessage());
98             return ErrorResponse.create(e, e.getHttpStatus());
99         } catch (Exception e) {
100             logger.warn("jobCreatedCallback failed: {}", e.getMessage(), e);
101             return ErrorResponse.create(e, HttpStatus.BAD_REQUEST);
102         }
103     }
104
105     private Job.Parameters toJobParameters(Object jobData) {
106         String json = gson.toJson(jobData);
107         return gson.fromJson(json, Job.Parameters.class);
108     }
109
110     @GetMapping(path = JOB_URL, produces = MediaType.APPLICATION_JSON_VALUE)
111     @Operation(summary = "Get all jobs", description = "Returns all info jobs, can be used for trouble shooting")
112     @ApiResponse(responseCode = "200", //
113             description = "Information jobs", //
114             content = @Content(array = @ArraySchema(schema = @Schema(implementation = ProducerJobInfo.class)))) //
115     public ResponseEntity<Object> getJobs() {
116
117         Collection<ProducerJobInfo> producerJobs = new ArrayList<>();
118         for (Job j : this.jobs.getAll()) {
119             producerJobs
120                     .add(new ProducerJobInfo(null, j.getId(), j.getType().getId(), j.getOwner(), j.getLastUpdated()));
121         }
122         return new ResponseEntity<>(gson.toJson(producerJobs), HttpStatus.OK);
123     }
124
125     @DeleteMapping(path = JOB_URL + "/{infoJobId}", produces = MediaType.APPLICATION_JSON_VALUE)
126     @Operation(summary = "Callback for Information Job deletion",
127             description = "The call is invoked to terminate a data subscription. The endpoint is provided by the Information Producer.")
128     @ApiResponses(value = { //
129             @ApiResponse(responseCode = "200", description = "OK", //
130                     content = @Content(schema = @Schema(implementation = VoidResponse.class))) //
131     })
132     public ResponseEntity<Object> jobDeletedCallback( //
133             @PathVariable("infoJobId") String infoJobId) {
134
135         logger.debug("Job deleted callback {}", infoJobId);
136         this.jobs.remove(infoJobId);
137         return new ResponseEntity<>(HttpStatus.OK);
138     }
139
140     @GetMapping(path = SUPERVISION_URL, produces = MediaType.APPLICATION_JSON_VALUE)
141     @Operation(summary = "Producer supervision",
142             description = "The endpoint is provided by the Information Producer and is used for supervision of the producer.")
143     @ApiResponses(value = { //
144             @ApiResponse(responseCode = "200", description = "The producer is OK", //
145                     content = @Content(schema = @Schema(implementation = String.class))) //
146     })
147     public ResponseEntity<Object> producerSupervision() {
148         logger.debug("Producer supervision");
149         return new ResponseEntity<>(HttpStatus.OK);
150     }
151
152     @Schema(name = "statistics_info", description = "Statistics information")
153     public class StatisticsCollection {
154
155         @Schema(description = "Statistics per job")
156         public final Collection<Job.Statistics> jobStatistics;
157
158         public StatisticsCollection(Collection<Job.Statistics> stats) {
159             this.jobStatistics = stats;
160         }
161     }
162
163     @GetMapping(path = STATISTICS_URL, produces = MediaType.APPLICATION_JSON_VALUE)
164     @Operation(summary = "Returns statistics", description = "")
165     @ApiResponses(value = { //
166             @ApiResponse(responseCode = "200", description = "OK", //
167                     content = @Content(schema = @Schema(implementation = StatisticsCollection.class))) //
168     })
169     public ResponseEntity<Object> getStatistics() {
170         List<Job.Statistics> res = new ArrayList<>();
171         for (Job job : this.jobs.getAll()) {
172             res.add(job.getStatistics());
173         }
174
175         return new ResponseEntity<>(gson.toJson(new StatisticsCollection(res)), HttpStatus.OK);
176     }
177
178 }