[ONOS-7683] Initial implementation of openstack telemetry service
Change-Id: I621bed9cff108af194998b7a1e8269a9a6ffd32c
diff --git a/apps/openstacktelemetry/app/src/main/java/org/onosproject/openstacktelemetry/impl/OpenstackTelemetryManager.java b/apps/openstacktelemetry/app/src/main/java/org/onosproject/openstacktelemetry/impl/OpenstackTelemetryManager.java
new file mode 100644
index 0000000..4629a4e
--- /dev/null
+++ b/apps/openstacktelemetry/app/src/main/java/org/onosproject/openstacktelemetry/impl/OpenstackTelemetryManager.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2018-present Open Networking 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.
+ */
+package org.onosproject.openstacktelemetry.impl;
+
+import com.google.common.collect.Lists;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.onosproject.openstacktelemetry.api.ByteBufferCodec;
+import org.onosproject.openstacktelemetry.api.FlowInfo;
+import org.onosproject.openstacktelemetry.api.GrpcTelemetryService;
+import org.onosproject.openstacktelemetry.api.InfluxDbTelemetryService;
+import org.onosproject.openstacktelemetry.api.KafkaTelemetryService;
+import org.onosproject.openstacktelemetry.api.OpenstackTelemetryService;
+import org.onosproject.openstacktelemetry.api.RestTelemetryService;
+import org.onosproject.openstacktelemetry.api.TelemetryService;
+import org.onosproject.openstacktelemetry.codec.TinaFlowInfoByteBufferCodec;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.ByteBuffer;
+import java.util.List;
+
+/**
+ * Openstack telemetry manager.
+ */
+@Component(immediate = true)
+@Service
+public class OpenstackTelemetryManager implements OpenstackTelemetryService {
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ private List<TelemetryService> telemetryServices = Lists.newArrayList();
+
+ @Activate
+ protected void activate() {
+ log.info("Started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ log.info("Stopped");
+ }
+
+ @Override
+ public void addTelemetryService(TelemetryService telemetryService) {
+ telemetryServices.add(telemetryService);
+ }
+
+ @Override
+ public void removeTelemetryService(TelemetryService telemetryService) {
+ telemetryServices.remove(telemetryService);
+ }
+
+ @Override
+ public void publish(FlowInfo flowInfo) {
+ telemetryServices.forEach(service -> {
+
+
+ if (service instanceof GrpcTelemetryManager) {
+ invokeGrpcPublisher((GrpcTelemetryService) service, flowInfo);
+ }
+
+ if (service instanceof InfluxDbTelemetryManager) {
+ invokeInfluxDbPublisher((InfluxDbTelemetryService) service, flowInfo);
+ }
+
+ if (service instanceof KafkaTelemetryManager) {
+ invokeKafkaPublisher((KafkaTelemetryService) service, flowInfo);
+ }
+
+ if (service instanceof RestTelemetryManager) {
+ invokeRestPublisher((RestTelemetryService) service, flowInfo);
+ }
+
+ });
+ }
+
+ private void invokeGrpcPublisher(GrpcTelemetryService service, FlowInfo flowInfo) {
+ // TODO: need provide implementation
+ }
+
+ private void invokeInfluxDbPublisher(InfluxDbTelemetryService service, FlowInfo flowInfo) {
+ // TODO: need provide implementation
+ }
+
+ private void invokeKafkaPublisher(KafkaTelemetryService service, FlowInfo flowInfo) {
+ ByteBufferCodec codec = new TinaFlowInfoByteBufferCodec();
+ ByteBuffer buffer = codec.encode(flowInfo);
+ service.publish(new ProducerRecord<>("sona.flow", "flowdata", buffer.array()));
+ }
+
+ private void invokeRestPublisher(RestTelemetryService service, FlowInfo flowInfo) {
+ // TODO: need provide implementation
+ }
+
+}