Read and validate incoming sub create request from Kafka

Issue-ID: CPS-1951
Signed-off-by: seanbeirne <sean.beirne@est.tech>
Change-Id: I402dacc47c93e77a4ca63598acebe27c780951de

3 files changed, 182 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumer.java
new file mode 100644
index 0000000000..3e16cf7300
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumer.java
@@ -0,0 +1,66 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2024 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.events.cmsubscription;
+
+import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent;
+
+import io.cloudevents.CloudEvent;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.onap.cps.ncmp.events.cmsubscription_merge1_0_0.client_to_ncmp.CmSubscriptionNcmpInEvent;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+@RequiredArgsConstructor
+public class CmSubscriptionNcmpInEventConsumer {
+
+    @Value("${notification.enabled:true}")
+    private boolean notificationFeatureEnabled;
+
+    @Value("${ncmp.model-loader.subscription:false}")
+    private boolean subscriptionModelLoaderEnabled;
+
+    /**
+     * Consume the specified event.
+     *
+     * @param subscriptionEventConsumerRecord the event to be consumed
+     */
+    @KafkaListener(topics = "${app.ncmp.avc.subscription-topic}",
+        containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
+    public void consumeSubscriptionEvent(final ConsumerRecord<String, CloudEvent> subscriptionEventConsumerRecord) {
+        final CloudEvent cloudEvent = subscriptionEventConsumerRecord.value();
+        final CmSubscriptionNcmpInEvent cmSubscriptionNcmpInEvent =
+            toTargetEvent(cloudEvent, CmSubscriptionNcmpInEvent.class);
+        if (subscriptionModelLoaderEnabled) {
+            log.info("Subscription with name {} to be mapped to hazelcast object...",
+                cmSubscriptionNcmpInEvent.getData().getSubscriptionId());
+        }
+        if ("subscriptionCreated".equals(cloudEvent.getType()) && cmSubscriptionNcmpInEvent != null) {
+            log.info("Subscription for ClientID {} with name {} ...",
+                cloudEvent.getSource(),
+                cmSubscriptionNcmpInEvent.getData().getSubscriptionId());
+        }
+    }
+}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumerSpec.groovy
new file mode 100644
index 0000000000..fd566618ee
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpInEventConsumerSpec.groovy
@@ -0,0 +1,93 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (c) 2024 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.events.cmsubscription
+
+import ch.qos.logback.classic.Level
+import ch.qos.logback.classic.Logger
+import ch.qos.logback.classic.spi.ILoggingEvent
+import ch.qos.logback.core.read.ListAppender
+import com.fasterxml.jackson.databind.ObjectMapper
+import io.cloudevents.CloudEvent
+import io.cloudevents.core.builder.CloudEventBuilder
+import org.apache.kafka.clients.consumer.ConsumerRecord
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.BeforeEach
+import org.onap.cps.ncmp.api.kafka.MessagingBaseSpec
+import org.onap.cps.ncmp.events.cmsubscription_merge1_0_0.client_to_ncmp.CmSubscriptionNcmpInEvent
+import org.onap.cps.ncmp.utils.TestUtils
+import org.onap.cps.utils.JsonObjectMapper
+import org.slf4j.LoggerFactory
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+
+@SpringBootTest(classes = [ObjectMapper, JsonObjectMapper])
+class CmSubscriptionNcmpInEventConsumerSpec extends MessagingBaseSpec {
+
+    def objectUnderTest = new CmSubscriptionNcmpInEventConsumer()
+    def logger = Spy(ListAppender<ILoggingEvent>)
+
+    @Autowired
+    JsonObjectMapper jsonObjectMapper
+
+    @Autowired
+    ObjectMapper objectMapper
+
+    @BeforeEach
+    void setup() {
+        ((Logger) LoggerFactory.getLogger(CmSubscriptionNcmpInEventConsumer.class)).addAppender(logger);
+        logger.start();
+    }
+
+    @AfterEach
+    void teardown() {
+        ((Logger) LoggerFactory.getLogger(CmSubscriptionNcmpInEventConsumer.class)).detachAndStopAllAppenders();
+    }
+
+
+    def 'Consume valid CMSubscription create message'() {
+        given: 'a cmsubscription event'
+            def jsonData = TestUtils.getResourceFileContent('cmSubscriptionNcmpInEvent.json')
+            def testEventSent = jsonObjectMapper.convertJsonString(jsonData, CmSubscriptionNcmpInEvent.class)
+            def testCloudEventSent = CloudEventBuilder.v1()
+                .withData(objectMapper.writeValueAsBytes(testEventSent))
+                .withId('subscriptionCreated')
+                .withType('subscriptionCreated')
+                .withSource(URI.create('some-resource'))
+                .withExtension('correlationid', 'test-cmhandle1').build()
+            def consumerRecord = new ConsumerRecord<String, CloudEvent>('topic-name', 0, 0, 'event-key', testCloudEventSent)
+        and: 'notifications are enabled'
+            objectUnderTest.notificationFeatureEnabled = true
+        and: 'subscription model loader is enabled'
+            objectUnderTest.subscriptionModelLoaderEnabled = true
+        when: 'the valid event is consumed'
+            objectUnderTest.consumeSubscriptionEvent(consumerRecord)
+        then: 'an event is logged with level INFO'
+            def loggingEvent = getLoggingEvent()
+            assert loggingEvent.level == Level.INFO
+        and: 'the log indicates the task completed successfully'
+            assert loggingEvent.formattedMessage == 'Subscription with name cm-subscription-001 to be mapped to hazelcast object...'
+    }
+
+    def getLoggingEvent() {
+        return logger.list[0]
+    }
+
+}
diff --git a/cps-ncmp-service/src/test/resources/cmSubscriptionNcmpInEvent.json b/cps-ncmp-service/src/test/resources/cmSubscriptionNcmpInEvent.json
new file mode 100644
index 0000000000..5246618820
--- /dev/null
+++ b/cps-ncmp-service/src/test/resources/cmSubscriptionNcmpInEvent.json
@@ -0,0 +1,23 @@
+{
+  "data": {
+    "subscriptionId": "cm-subscription-001",
+    "predicates": [
+      {
+        "targetFilter": [
+          "CMHandle1",
+          "CMHandle2",
+          "CMHandle3"
+        ],
+        "scopeFilter": {
+          "datastore": "ncmp-datastore:passthrough-running",
+          "xpath-filter": [
+            "//_3gpp-nr-nrm-gnbdufunction:GNBDUFunction/_3gpp-nr-nrm-nrcelldu:NRCellDU/",
+            "//_3gpp-nr-nrm-gnbcuupfunction:GNBCUUPFunction//",
+            "//_3gpp-nr-nrm-gnbcucpfunction:GNBCUCPFunction/_3gpp-nr-nrm-nrcelldu:NRCellCU//",
+            "//_3gpp-nr-nrm-nrsectorcarrier:NRSectorCarrier//"
+          ]
+        }
+      }
+    ]
+  }
+}
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