[DMI] Publish Message hidden REST endpoint trigger

-Added endpoint to simulate events
-Events are published to dmi-cm-events topic
-Added Kafka test
-WILL FAIL UNTIL CPS PART IS MERGED

Issue-ID: CPS-1385
Signed-off-by: JosephKeenan <joseph.keenan@est.tech>
Change-Id: Ie802ba819e7b8c5a16504f900bdb89f3e4b0ab4a
Signed-off-by: seanbeirne <sean.beirne@est.tech>
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>

6 files changed, 305 insertions, 2 deletions

diff --git a/pom.xml b/pom.xml
index 78aa1225..3d88aa6b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,6 +1,6 @@
 <!--
   ============LICENSE_START=======================================================
-  Copyright (c) 2021-2022 Nordix Foundation.
+  Copyright (c) 2021-2023 Nordix Foundation.
   Modifications Copyright (C) 2021 Bell Canada.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
@@ -40,7 +40,7 @@
     <properties>
         <app>org.onap.cps.ncmp.dmi.Application</app>
         <base.image>${docker.pull.registry}/onap/integration-java11:8.0.0</base.image>
-        <cps.version>3.1.4</cps.version>
+        <cps.version>3.2.1</cps.version>
         <image.tag>${project.version}-${maven.build.timestamp}</image.tag>
         <jacoco.minimum.coverage>0.98</jacoco.minimum.coverage>
         <maven.build.timestamp.format>yyyyMMdd'T'HHmmss'Z'</maven.build.timestamp.format>
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventCreator.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventCreator.java
new file mode 100644
index 00000000..6902b2eb
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventCreator.java
@@ -0,0 +1,63 @@
+/*
+ * ============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.notifications.avc;
+
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.UUID;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.event.model.AvcEvent;
+import org.onap.cps.ncmp.event.model.Event;
+
+/**
+ * Helper to create AvcEvents.
+ */
+@Slf4j
+public class DmiDataAvcEventCreator {
+
+    private static final DateTimeFormatter dateTimeFormatter
+            = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
+
+    /**
+     * Create an AVC event.
+     *
+     * @param eventCorrelationId  the event correlation id
+     * @return DmiAsyncRequestResponseEvent
+     */
+    public AvcEvent createEvent(final String eventCorrelationId) {
+        final AvcEvent avcEvent = new AvcEvent();
+        avcEvent.setEventId(UUID.randomUUID().toString());
+        avcEvent.setEventCorrelationId(eventCorrelationId);
+        avcEvent.setEventType(AvcEvent.class.getName());
+        avcEvent.setEventSchema("urn:cps:" + AvcEvent.class.getName());
+        avcEvent.setEventSchemaVersion("v1");
+        avcEvent.setEventTarget("NCMP");
+        avcEvent.setEventTime(ZonedDateTime.now().format(dateTimeFormatter));
+
+        final Event event = new Event();
+        event.setAdditionalProperty("payload", "Hello world!");
+        avcEvent.setEvent(event);
+
+        log.debug("Avc Event Created ID: {}", avcEvent.getEventId());
+        return avcEvent;
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventProducer.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventProducer.java
new file mode 100644
index 00000000..4fd46b66
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventProducer.java
@@ -0,0 +1,46 @@
+/*
+ * ============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.notifications.avc;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.event.model.AvcEvent;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+@RequiredArgsConstructor
+public class DmiDataAvcEventProducer {
+
+    private final KafkaTemplate<String, AvcEvent> kafkaTemplate;
+
+    /**
+     * Sends message to the configured topic with a message key.
+     *
+     * @param requestId the request id
+     * @param avcEvent the event to publish
+     */
+    public void sendMessage(final String requestId, final AvcEvent avcEvent) {
+        kafkaTemplate.send("dmi-cm-events", requestId, avcEvent);
+        log.debug("AVC event sent");
+    }
+}
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventSimulationController.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventSimulationController.java
new file mode 100644
index 00000000..f7f4bf96
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventSimulationController.java
@@ -0,0 +1,61 @@
+/*
+ *  ============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.notifications.avc;
+
+import java.util.UUID;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.event.model.AvcEvent;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+
+@RequestMapping("${rest.api.dmi-base-path}")
+@RestController
+@Slf4j
+@RequiredArgsConstructor
+public class DmiDataAvcEventSimulationController {
+
+    private final DmiDataAvcEventProducer dmiDataAvcEventProducer;
+
+    /**
+     * Simulate Event for AVC.
+     * @param numberOfSimulatedEvents number of events to be generated
+     * @return ResponseEntity
+     */
+    @GetMapping(path = "/v1/simulateDmiDataEvent")
+    public ResponseEntity<Void> simulateEvents(@RequestParam("numberOfSimulatedEvents")
+                                                   final Integer numberOfSimulatedEvents) {
+        final DmiDataAvcEventCreator dmiDataAvcEventCreator = new DmiDataAvcEventCreator();
+
+        for (int i = 0; i < numberOfSimulatedEvents; i++) {
+            final String eventCorrelationId = UUID.randomUUID().toString();
+            final AvcEvent avcEvent = dmiDataAvcEventCreator.createEvent(eventCorrelationId);
+            dmiDataAvcEventProducer.sendMessage(eventCorrelationId, avcEvent);
+        }
+
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+}
diff --git a/src/test/groovy/org/onap/cps/ncmp/dmi/api/kafka/MessagingBaseSpec.groovy b/src/test/groovy/org/onap/cps/ncmp/dmi/api/kafka/MessagingBaseSpec.groovy
new file mode 100644
index 00000000..59e45c20
--- /dev/null
+++ b/src/test/groovy/org/onap/cps/ncmp/dmi/api/kafka/MessagingBaseSpec.groovy
@@ -0,0 +1,71 @@
+/*
+ * ============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.api.kafka
+
+import org.apache.kafka.common.serialization.StringDeserializer
+import org.apache.kafka.common.serialization.StringSerializer
+import org.springframework.kafka.core.DefaultKafkaProducerFactory
+import org.springframework.kafka.core.KafkaTemplate
+import org.springframework.kafka.support.serializer.JsonSerializer
+import org.springframework.test.context.DynamicPropertyRegistry
+import org.springframework.test.context.DynamicPropertySource
+import org.testcontainers.containers.KafkaContainer
+import org.testcontainers.utility.DockerImageName
+import spock.lang.Specification
+
+class MessagingBaseSpec extends Specification {
+
+    def setupSpec() {
+        kafkaTestContainer.start()
+    }
+
+    def cleanupSpec() {
+        kafkaTestContainer.stop()
+    }
+
+    static kafkaTestContainer = new KafkaContainer(DockerImageName.parse('registry.nordix.org/onaptest/confluentinc/cp-kafka:6.2.1').asCompatibleSubstituteFor('confluentinc/cp-kafka'))
+
+    def producerConfigProperties() {
+        return [('bootstrap.servers'): kafkaTestContainer.getBootstrapServers().split(',')[0],
+                ('retries')          : 0,
+                ('batch-size')       : 16384,
+                ('linger.ms')        : 1,
+                ('buffer.memory')    : 33554432,
+                ('key.serializer')   : StringSerializer,
+                ('value.serializer') : JsonSerializer]
+    }
+
+    def consumerConfigProperties(consumerGroupId) {
+        return [('bootstrap.servers') : kafkaTestContainer.getBootstrapServers().split(',')[0],
+                ('key.deserializer')  : StringDeserializer,
+                ('value.deserializer'): StringDeserializer,
+                ('auto.offset.reset') : 'earliest',
+                ('group.id')          : consumerGroupId
+        ]
+    }
+
+    def kafkaTemplate = new KafkaTemplate<>(new DefaultKafkaProducerFactory<Integer, String>(producerConfigProperties()))
+
+    @DynamicPropertySource
+    static void registerKafkaProperties(DynamicPropertyRegistry dynamicPropertyRegistry) {
+        dynamicPropertyRegistry.add('spring.kafka.bootstrap-servers', kafkaTestContainer::getBootstrapServers)
+    }
+}
diff --git a/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/avc/AvcEventExecutorIntegrationSpec.groovy b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/avc/AvcEventExecutorIntegrationSpec.groovy
new file mode 100644
index 00000000..5f7ed878
--- /dev/null
+++ b/src/test/groovy/org/onap/cps/ncmp/dmi/notifications/avc/AvcEventExecutorIntegrationSpec.groovy
@@ -0,0 +1,62 @@
+/*
+ * ============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.notifications.avc
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import org.apache.kafka.clients.consumer.KafkaConsumer
+import org.onap.cps.ncmp.dmi.api.kafka.MessagingBaseSpec
+import org.onap.cps.ncmp.dmi.notifications.async.AsyncTaskExecutor
+import org.onap.cps.ncmp.dmi.service.DmiService
+import org.onap.cps.ncmp.dmi.notifications.avc.DmiDataAvcEventSimulationController
+import org.onap.cps.ncmp.event.model.AvcEvent
+import org.spockframework.spring.SpringBean
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.test.annotation.DirtiesContext
+import org.testcontainers.spock.Testcontainers
+
+import java.time.Duration
+
+@SpringBootTest(classes = [DmiDataAvcEventProducer])
+@Testcontainers
+@DirtiesContext
+class AvcEventExecutorIntegrationSpec extends MessagingBaseSpec {
+
+    @SpringBean
+    DmiDataAvcEventProducer dmiDataAvcEventProducer = new DmiDataAvcEventProducer(kafkaTemplate)
+
+    def dmiService =  new DmiDataAvcEventSimulationController(dmiDataAvcEventProducer)
+
+    def objectMapper = new ObjectMapper()
+
+    def 'Publish Avc Event'() {
+        given: 'a simulated event'
+            dmiService.simulateEvents(1)
+        and: 'a consumer subscribed to dmi-cm-events topic'
+            def consumer = new KafkaConsumer<>(consumerConfigProperties('test'))
+            consumer.subscribe(['dmi-cm-events'])
+        when: 'the next event record is consumed'
+            def record = consumer.poll(Duration.ofMillis(1500)).iterator().next()
+        then: 'record has correct topic'
+            assert record.topic == 'dmi-cm-events'
+        and: 'the record value can be mapped to an avcEvent'
+            objectMapper.readValue(record.value(), AvcEvent)
+    }
+}
\ No newline at end of file