1 files changed, 174 insertions, 0 deletions
diff --git a/components/bbs-event-processor/src/main/java/org/onap/bbs/event/processor/controllers/BbsEventProcessorController.java b/components/bbs-event-processor/src/main/java/org/onap/bbs/event/processor/controllers/BbsEventProcessorController.java
new file mode 100644
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--- /dev/null
+++ b/components/bbs-event-processor/src/main/java/org/onap/bbs/event/processor/controllers/BbsEventProcessorController.java
@@ -0,0 +1,174 @@
+/*
+ * ============LICENSE_START=======================================================
+ * BBS-RELOCATION-CPE-AUTHENTICATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2019 NOKIA 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.onap.bbs.event.processor.controllers;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.annotations.ApiResponse;
+import io.swagger.annotations.ApiResponses;
+
+import java.util.concurrent.Executors;
+
+import org.onap.bbs.event.processor.pipelines.CpeAuthenticationPipeline;
+import org.onap.bbs.event.processor.pipelines.ReRegistrationPipeline;
+import org.onap.bbs.event.processor.pipelines.Scheduler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import reactor.core.publisher.Mono;
+
+@RestController
+@Api(value = "BbsEventProcessorController", description = "Manage bbs-event-processor microService")
+public class BbsEventProcessorController {
+
+    private ReRegistrationPipeline reRegistrationPipeline;
+    private CpeAuthenticationPipeline cpeAuthenticationPipeline;
+    private Scheduler scheduler;
+
+    /**
+     * Constructs BBE event processor REST controller.
+     * @param reRegistrationPipeline processing pipeline for polling DMaaP for PNF re-registration events
+     * @param cpeAuthenticationPipeline processing pipeline for polling DMaaP for CPE authentication events
+     * @param scheduler application scheduler
+     */
+    @Autowired
+    public BbsEventProcessorController(ReRegistrationPipeline reRegistrationPipeline,
+                                       CpeAuthenticationPipeline cpeAuthenticationPipeline,
+                                       Scheduler scheduler) {
+        this.reRegistrationPipeline = reRegistrationPipeline;
+        this.cpeAuthenticationPipeline = cpeAuthenticationPipeline;
+        this.scheduler = scheduler;
+    }
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(BbsEventProcessorController.class);
+
+    /**
+     * Responds to health-check heartbeats.
+     * @return Proper HTTP response based on application health
+     */
+    @GetMapping("heartbeat")
+    @ApiOperation(value = "Returns liveness of bbs-event-processor microService")
+    @ApiResponses(value = {
+            @ApiResponse(code = 200, message = "bbs-event-processor microService is alive"),
+            @ApiResponse(code = 401, message = "Not authorized to view the resource"),
+            @ApiResponse(code = 403, message = "Resource access is forbidden"),
+            @ApiResponse(code = 404, message = "Resource is not found")})
+    public Mono<ResponseEntity<String>> handleHeartBeat() {
+        LOGGER.debug("bbs-event-processor has received a heartbeat request");
+        return Mono.defer(() ->
+                Mono.just(new ResponseEntity<>("bbs-event-processor is alive\n", HttpStatus.OK))
+        );
+    }
+
+    /**
+     * Polls DMaaP for PNF re-registration events just once.
+     * @return Proper HTTP response based on request submission result
+     */
+    @PostMapping("poll-reregistration-events")
+    @ApiOperation(value = "Returns result of request submission. PNF re-registration polling will occur asynchronously")
+    @ApiResponses(value = {
+            @ApiResponse(code = 200, message = "Polling Re-registration events task submitted successfully"),
+            @ApiResponse(code = 401, message = "Not authorized to view the resource"),
+            @ApiResponse(code = 403, message = "Resource access is forbidden"),
+            @ApiResponse(code = 404, message = "Resource is not found")})
+    public Mono<ResponseEntity<String>> handleReRegistrationRestCall() {
+        LOGGER.debug("bbs-event-processor has received a re-registration handling request");
+        Executors.newSingleThreadExecutor().submit(() -> reRegistrationPipeline.processPnfReRegistrationEvents());
+        return Mono.defer(() ->
+                Mono.just(new ResponseEntity<>("Request submitted\n", HttpStatus.OK))
+        );
+    }
+
+    /**
+     * Polls DMaaP for CPE authentication events just once.
+     * @return Proper HTTP response based on request submission result
+     */
+    @PostMapping("poll-cpe-authentication-events")
+    @ApiOperation(value = "Returns result of request submission. CPE authentication polling will occur asynchronously")
+    @ApiResponses(value = {
+            @ApiResponse(code = 200, message = "CPE authentication task submitted successfully"),
+            @ApiResponse(code = 401, message = "Not authorized to view the resource"),
+            @ApiResponse(code = 403, message = "Resource access is forbidden"),
+            @ApiResponse(code = 404, message = "Resource is not found")})
+    public Mono<ResponseEntity<String>> handleCpeAuthenticationRestCall() {
+        LOGGER.debug("bbs-event-processor has received a cpe-authentication handling request");
+        Executors.newSingleThreadExecutor().submit(() -> cpeAuthenticationPipeline.processPnfCpeAuthenticationEvents());
+        return Mono.defer(() ->
+                Mono.just(new ResponseEntity<>("Request submitted\n", HttpStatus.OK))
+        );
+    }
+
+    /**
+     * Reschedules DMaaP polling tasks.
+     * @return Proper HTTP response based on rescheduling result
+     */
+    @PostMapping("start-tasks")
+    @ApiOperation(value = "Returns result of request to start microservice tasks")
+    @ApiResponses(value = {
+            @ApiResponse(code = 200, message = "Tasks were successfully started"),
+            @ApiResponse(code = 401, message = "Not authorized to view the resource"),
+            @ApiResponse(code = 403, message = "Resource access is forbidden"),
+            @ApiResponse(code = 404, message = "Resource is not found"),
+            @ApiResponse(code = 406, message = "Task initiation failed. Check logs")})
+    public Mono<ResponseEntity<String>> reScheduleTasks() {
+        LOGGER.trace("bbs-event-processor has received a request to reschedule all running tasks");
+        if (scheduler.reScheduleProcessingTasks()) {
+            return Mono.defer(() ->
+                    Mono.just(new ResponseEntity<>("Initiation of tasks was successful\n", HttpStatus.OK))
+            );
+        } else {
+            return Mono.defer(() ->
+                    Mono.just(new ResponseEntity<>("Initiation of tasks failed\n", HttpStatus.NOT_ACCEPTABLE))
+            );
+        }
+    }
+
+    /**
+     * Cancels DMaaP polling tasks.
+     * @return Proper HTTP response based on cancellation result
+     */
+    @PostMapping("cancel-tasks")
+    @ApiOperation(value = "Returns result of request to cancel running microservice tasks")
+    @ApiResponses(value = {
+            @ApiResponse(code = 200, message = "Tasks were successfully cancelled"),
+            @ApiResponse(code = 401, message = "Not authorized to view the resource"),
+            @ApiResponse(code = 403, message = "Resource access is forbidden"),
+            @ApiResponse(code = 404, message = "Resource is not found"),
+            @ApiResponse(code = 406, message = "Cancellation failed. Check logs")})
+    public Mono<ResponseEntity<String>> cancelTasks() {
+        LOGGER.debug("bbs-event-processor has received a request to cancel all running tasks");
+        if (scheduler.cancelScheduledProcessingTasks()) {
+            return Mono.defer(() ->
+                    Mono.just(new ResponseEntity<>("Cancellation was successful\n", HttpStatus.OK))
+            );
+        } else {
+            return Mono.defer(() ->
+                    Mono.just(new ResponseEntity<>("Cancellation failed\n", HttpStatus.NOT_ACCEPTABLE))
+            );
+        }
+    }
+}