2 * ============LICENSE_START=======================================================
3 * BBS-RELOCATION-CPE-AUTHENTICATION-HANDLER
4 * ================================================================================
5 * Copyright (C) 2019 NOKIA Intellectual Property. All rights reserved.
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=========================================================
21 package org.onap.bbs.event.processor.controllers;
23 import io.swagger.annotations.Api;
24 import io.swagger.annotations.ApiOperation;
25 import io.swagger.annotations.ApiResponse;
26 import io.swagger.annotations.ApiResponses;
28 import java.util.concurrent.Executors;
30 import org.onap.bbs.event.processor.pipelines.CpeAuthenticationPipeline;
31 import org.onap.bbs.event.processor.pipelines.ReRegistrationPipeline;
32 import org.onap.bbs.event.processor.pipelines.Scheduler;
33 import org.onap.bbs.event.processor.utilities.LoggingUtil;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
36 import org.springframework.beans.factory.annotation.Autowired;
37 import org.springframework.http.HttpStatus;
38 import org.springframework.http.ResponseEntity;
39 import org.springframework.web.bind.annotation.GetMapping;
40 import org.springframework.web.bind.annotation.PathVariable;
41 import org.springframework.web.bind.annotation.PostMapping;
42 import org.springframework.web.bind.annotation.RestController;
44 import reactor.core.publisher.Mono;
47 @Api(value = "BbsEventProcessorController", description = "Manage bbs-event-processor microService")
48 public class BbsEventProcessorController {
50 private ReRegistrationPipeline reRegistrationPipeline;
51 private CpeAuthenticationPipeline cpeAuthenticationPipeline;
52 private Scheduler scheduler;
55 * Constructs BBE event processor REST controller.
56 * @param reRegistrationPipeline processing pipeline for polling DMaaP for PNF re-registration events
57 * @param cpeAuthenticationPipeline processing pipeline for polling DMaaP for CPE authentication events
58 * @param scheduler application scheduler
61 public BbsEventProcessorController(ReRegistrationPipeline reRegistrationPipeline,
62 CpeAuthenticationPipeline cpeAuthenticationPipeline,
63 Scheduler scheduler) {
64 this.reRegistrationPipeline = reRegistrationPipeline;
65 this.cpeAuthenticationPipeline = cpeAuthenticationPipeline;
66 this.scheduler = scheduler;
69 private static final Logger LOGGER = LoggerFactory.getLogger(BbsEventProcessorController.class);
72 * Responds to health-check heartbeats.
73 * @return Proper HTTP response based on application health
75 @GetMapping("heartbeat")
76 @ApiOperation(value = "Returns liveness of bbs-event-processor microService")
77 @ApiResponses(value = {
78 @ApiResponse(code = 200, message = "bbs-event-processor microService is alive"),
79 @ApiResponse(code = 401, message = "Not authorized to view the resource"),
80 @ApiResponse(code = 403, message = "Resource access is forbidden"),
81 @ApiResponse(code = 404, message = "Resource is not found")})
82 public Mono<ResponseEntity<String>> handleHeartBeat() {
83 LOGGER.debug("bbs-event-processor has received a heartbeat request");
84 return Mono.defer(() ->
85 Mono.just(new ResponseEntity<>("bbs-event-processor is alive\n", HttpStatus.OK))
90 * Polls DMaaP for PNF re-registration events just once.
91 * @return Proper HTTP response based on request submission result
93 @PostMapping("poll-reregistration-events")
94 @ApiOperation(value = "Returns result of request submission. PNF re-registration polling will occur asynchronously")
95 @ApiResponses(value = {
96 @ApiResponse(code = 200, message = "Polling Re-registration events task submitted successfully"),
97 @ApiResponse(code = 401, message = "Not authorized to view the resource"),
98 @ApiResponse(code = 403, message = "Resource access is forbidden"),
99 @ApiResponse(code = 404, message = "Resource is not found")})
100 public Mono<ResponseEntity<String>> handleReRegistrationRestCall() {
101 LOGGER.debug("bbs-event-processor has received a re-registration handling request");
102 Executors.newSingleThreadExecutor().submit(() -> reRegistrationPipeline.processPnfReRegistrationEvents());
103 return Mono.defer(() ->
104 Mono.just(new ResponseEntity<>("Request submitted\n", HttpStatus.OK))
109 * Polls DMaaP for CPE authentication events just once.
110 * @return Proper HTTP response based on request submission result
112 @PostMapping("poll-cpe-authentication-events")
113 @ApiOperation(value = "Returns result of request submission. CPE authentication polling will occur asynchronously")
114 @ApiResponses(value = {
115 @ApiResponse(code = 200, message = "CPE authentication task submitted successfully"),
116 @ApiResponse(code = 401, message = "Not authorized to view the resource"),
117 @ApiResponse(code = 403, message = "Resource access is forbidden"),
118 @ApiResponse(code = 404, message = "Resource is not found")})
119 public Mono<ResponseEntity<String>> handleCpeAuthenticationRestCall() {
120 LOGGER.debug("bbs-event-processor has received a cpe-authentication handling request");
121 Executors.newSingleThreadExecutor().submit(() -> cpeAuthenticationPipeline.processPnfCpeAuthenticationEvents());
122 return Mono.defer(() ->
123 Mono.just(new ResponseEntity<>("Request submitted\n", HttpStatus.OK))
128 * Reschedules DMaaP polling tasks.
129 * @return Proper HTTP response based on rescheduling result
131 @PostMapping("start-tasks")
132 @ApiOperation(value = "Returns result of request to start microservice tasks")
133 @ApiResponses(value = {
134 @ApiResponse(code = 200, message = "Tasks were successfully started"),
135 @ApiResponse(code = 401, message = "Not authorized to view the resource"),
136 @ApiResponse(code = 403, message = "Resource access is forbidden"),
137 @ApiResponse(code = 404, message = "Resource is not found"),
138 @ApiResponse(code = 406, message = "Task initiation failed. Check logs")})
139 public Mono<ResponseEntity<String>> reScheduleTasks() {
140 LOGGER.trace("bbs-event-processor has received a request to reschedule all running tasks");
141 if (scheduler.reScheduleProcessingTasks()) {
142 return Mono.defer(() ->
143 Mono.just(new ResponseEntity<>("Initiation of tasks was successful\n", HttpStatus.OK))
146 return Mono.defer(() ->
147 Mono.just(new ResponseEntity<>("Initiation of tasks failed\n", HttpStatus.NOT_ACCEPTABLE))
153 * Cancels DMaaP polling tasks.
154 * @return Proper HTTP response based on cancellation result
156 @PostMapping("cancel-tasks")
157 @ApiOperation(value = "Returns result of request to cancel running microservice tasks")
158 @ApiResponses(value = {
159 @ApiResponse(code = 200, message = "Tasks were successfully cancelled"),
160 @ApiResponse(code = 401, message = "Not authorized to view the resource"),
161 @ApiResponse(code = 403, message = "Resource access is forbidden"),
162 @ApiResponse(code = 404, message = "Resource is not found"),
163 @ApiResponse(code = 406, message = "Cancellation failed. Check logs")})
164 public Mono<ResponseEntity<String>> cancelTasks() {
165 LOGGER.debug("bbs-event-processor has received a request to cancel all running tasks");
166 if (scheduler.cancelScheduledProcessingTasks()) {
167 return Mono.defer(() ->
168 Mono.just(new ResponseEntity<>("Cancellation was successful\n", HttpStatus.OK))
171 return Mono.defer(() ->
172 Mono.just(new ResponseEntity<>("Cancellation failed\n", HttpStatus.NOT_ACCEPTABLE))
178 * Change logging level for BBS code.
179 * @param level new logging level
180 * @return Proper HTTP response based on change logging level result
182 @PostMapping("logging/{level}")
183 public Mono<ResponseEntity<String>> changeLoggingLevel(@PathVariable String level) {
184 return Mono.defer(() -> {
185 if (LoggingUtil.changeLoggingLevel(level)) {
186 LOGGER.info("Changed logging level to {}", level);
187 return Mono.just(new ResponseEntity<>("Changed BBS event processor logging level\n",
190 return Mono.just(new ResponseEntity<>("Unacceptable logging level\n",
191 HttpStatus.NOT_ACCEPTABLE));