[NCMP] Consume & Forward to client topic

-Consumes event from dmi-cm-events
-Immediately forwards to static topic (topic selection for events comes
later from subscription information)
-Added Kafka test
-SHOULD BE MERGED BEFORE DMI PART

Issue-ID: CPS-138
Signed-off-by: JosephKeenan <joseph.keenan@est.tech>
Change-Id: I0a426381e2c3f9173b8d3916960c05722ad4f77d
Signed-off-by: seanbeirne <sean.beirne@est.tech>

7 files changed, 259 insertions, 7 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/NcmpAsyncRequestResponseEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/NcmpAsyncRequestResponseEventConsumer.java
index a9e7164fd7..bc6624dee6 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/NcmpAsyncRequestResponseEventConsumer.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/NcmpAsyncRequestResponseEventConsumer.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- * Copyright (c) 2022 Nordix Foundation.
+ * 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.
@@ -45,7 +45,9 @@ public class NcmpAsyncRequestResponseEventConsumer {
      *
      * @param dmiAsyncRequestResponseEvent the event to be consumed and produced.
      */
-    @KafkaListener(topics = "${app.ncmp.async-m2m.topic}")
+    @KafkaListener(
+            topics = "${app.ncmp.async-m2m.topic}",
+            properties = {"spring.json.value.default.type=org.onap.cps.ncmp.event.model.DmiAsyncRequestResponseEvent"})
     public void consumeAndForward(final DmiAsyncRequestResponseEvent dmiAsyncRequestResponseEvent) {
         log.debug("Consuming event {} ...", dmiAsyncRequestResponseEvent);
 
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventConsumer.java
new file mode 100644
index 0000000000..79a36bf506
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventConsumer.java
@@ -0,0 +1,53 @@
+/*
+ * ============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.api.impl.notifications.avc;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.event.model.AvcEvent;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.stereotype.Component;
+
+/**
+ * Listener for AVC events.
+ */
+@Component
+@Slf4j
+@RequiredArgsConstructor
+@ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
+public class AvcEventConsumer {
+
+    private final AvcEventProducer avcEventProducer;
+
+    /**
+     * Consume the specified event.
+     *
+     * @param avcEvent the event to be consumed and produced.
+     */
+    @KafkaListener(
+            topics = "dmi-cm-events",
+            properties = {"spring.json.value.default.type=org.onap.cps.ncmp.event.model.AvcEvent"})
+    public void consumeAndForward(final AvcEvent avcEvent) {
+        log.debug("Consuming AVC event {} ...", avcEvent);
+        avcEventProducer.sendMessage(avcEvent);
+    }
+}
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventMapper.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventMapper.java
new file mode 100644
index 0000000000..531de46414
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventMapper.java
@@ -0,0 +1,50 @@
+/*
+ * ============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.api.impl.notifications.avc;
+
+import java.util.UUID;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.mapstruct.Named;
+import org.onap.cps.ncmp.event.model.AvcEvent;
+
+
+/**
+ * Mapper for converting incoming {@link AvcEvent} to outgoing {@link AvcEvent}.
+ */
+@Mapper(componentModel = "spring")
+public interface AvcEventMapper {
+
+    @Mapping(source = "eventTime", target = "eventTime")
+    @Mapping(source = "eventId", target = "eventId", qualifiedByName = "avcEventId")
+    @Mapping(source = "eventCorrelationId", target = "eventCorrelationId")
+    @Mapping(source = "eventSchema", target = "eventSchema")
+    @Mapping(source = "eventSchemaVersion", target = "eventSchemaVersion")
+    @Mapping(source = "eventTarget", target = "eventTarget")
+    @Mapping(source = "eventType", target = "eventType")
+    AvcEvent toOutgoingAvcEvent(AvcEvent incomingAvcEvent);
+
+    @Named("avcEventId")
+    static String getAvcEventId(String eventId) {
+        return UUID.randomUUID().toString();
+    }
+
+}
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventProducer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventProducer.java
new file mode 100644
index 0000000000..049f66100b
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventProducer.java
@@ -0,0 +1,52 @@
+/*
+ * ============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.api.impl.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;
+
+/**
+ * Producer for AVC events.
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class AvcEventProducer {
+
+    private final KafkaTemplate<String, AvcEvent> kafkaTemplate;
+
+    private final AvcEventMapper avcEventMapper;
+
+    /**
+     * Sends message to the configured topic with a message key.
+     *
+     * @param incomingAvcEvent message payload
+     */
+    public void sendMessage(final AvcEvent incomingAvcEvent) {
+        // generate new event id while keeping other data
+        final AvcEvent outgoingAvcEvent = avcEventMapper.toOutgoingAvcEvent(incomingAvcEvent);
+        log.debug("Forwarding AVC event {} to topic {} ", outgoingAvcEvent.getEventId(), "cm-events");
+        kafkaTemplate.send("cm-events", outgoingAvcEvent.getEventId(), outgoingAvcEvent);
+    }
+}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventProducerIntegrationSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventProducerIntegrationSpec.groovy
new file mode 100644
index 0000000000..0089f777d3
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/notifications/avc/AvcEventProducerIntegrationSpec.groovy
@@ -0,0 +1,83 @@
+/*
+ * ============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.api.impl.notifications.avc
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import org.apache.kafka.clients.consumer.KafkaConsumer
+import org.mapstruct.factory.Mappers
+import org.onap.cps.ncmp.api.impl.async.NcmpAsyncRequestResponseEventMapper
+import org.onap.cps.ncmp.api.kafka.MessagingBaseSpec
+import org.onap.cps.ncmp.event.model.AvcEvent
+import org.onap.cps.ncmp.utils.TestUtils
+import org.onap.cps.utils.JsonObjectMapper
+import org.spockframework.spring.SpringBean
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.test.annotation.DirtiesContext
+import org.testcontainers.spock.Testcontainers
+
+import java.time.Duration
+
+@SpringBootTest(classes = [AvcEventProducer, AvcEventConsumer, ObjectMapper, JsonObjectMapper])
+@Testcontainers
+@DirtiesContext
+class AvcEventProducerIntegrationSpec extends MessagingBaseSpec {
+
+    @SpringBean
+    AvcEventMapper avcEventMapper = Mappers.getMapper(AvcEventMapper.class)
+
+    @SpringBean
+    AvcEventProducer avcEventProducer = new AvcEventProducer(kafkaTemplate, avcEventMapper)
+
+    @SpringBean
+    AvcEventConsumer acvEventConsumer = new AvcEventConsumer(avcEventProducer)
+
+    @Autowired
+    JsonObjectMapper jsonObjectMapper
+
+    def kafkaConsumer = new KafkaConsumer<>(consumerConfigProperties('ncmp-group'))
+
+    def 'Consume and forward valid message'() {
+        given: 'consumer has a subscription'
+            kafkaConsumer.subscribe(['cm-events'] as List<String>)
+        and: 'an event is sent'
+            def jsonData = TestUtils.getResourceFileContent('sampleAvcInputEvent.json')
+            def testEventSent = jsonObjectMapper.convertJsonString(jsonData, AvcEvent.class)
+        when: 'the event is consumed'
+            acvEventConsumer.consumeAndForward(testEventSent)
+        and: 'the topic is polled'
+            def records = kafkaConsumer.poll(Duration.ofMillis(1500))
+        then: 'poll returns one record'
+            assert records.size() == 1
+        and: 'record can be converted to AVC event'
+            def record = records.iterator().next()
+            def convertedAvcEvent = jsonObjectMapper.convertJsonString(record.value(), AvcEvent)
+        and: 'consumed forwarded NCMP event id differs from DMI event id'
+            assert testEventSent.eventId != convertedAvcEvent.getEventId()
+        and: 'correlation id matches'
+            assert testEventSent.eventCorrelationId == convertedAvcEvent.getEventCorrelationId()
+        and: 'timestamps match'
+            assert testEventSent.eventTime == convertedAvcEvent.getEventTime()
+        and: 'target matches'
+            assert testEventSent.eventTarget == convertedAvcEvent.getEventTarget()
+    }
+
+}
\ No newline at end of file
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/kafka/MessagingBaseSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/kafka/MessagingBaseSpec.groovy
index f7c41ecdf2..bb0ce8745d 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/kafka/MessagingBaseSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/kafka/MessagingBaseSpec.groovy
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- * Copyright (c) 2022 Nordix Foundation.
+ * 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.
@@ -33,14 +33,14 @@ import spock.lang.Specification
 
 class MessagingBaseSpec extends Specification {
 
-    static {
-        Runtime.getRuntime().addShutdownHook(new Thread(kafkaTestContainer::stop))
-    }
-
     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() {
diff --git a/cps-ncmp-service/src/test/resources/sampleAvcInputEvent.json b/cps-ncmp-service/src/test/resources/sampleAvcInputEvent.json
new file mode 100644
index 0000000000..d7d252b9aa
--- /dev/null
+++ b/cps-ncmp-service/src/test/resources/sampleAvcInputEvent.json
@@ -0,0 +1,12 @@
+{
+  "eventId": "4cb32729-85e3-44d1-aa6e-c923b9b059a5",
+  "eventCorrelationId": "68f15800-8ed4-4bae-9e53-27a9e03e1911",
+  "eventTime": "2022-12-12T14:29:23.876+0000",
+  "eventTarget": "NCMP",
+  "eventType": "org.onap.cps.ncmp.event.model.AvcEvent",
+  "eventSchema": "urn:cps:org.onap.cps.ncmp.event.model.AvcEvent",
+  "eventSchemaVersion": "v1",
+  "event": {
+    "payload": "Hello world!"
+  }
+}
\ No newline at end of file