[ONOS-4176] Implement influxdb reporter for backing up metrics

Change-Id: If899955c06cc5a5619a529178be8eb1bffa5b498

+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+  ~ Copyright 2016 Open Networking Laboratory
+  ~
+  ~ 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.
+  -->
+<features xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" name="${project.artifactId}-${project.version}">
+    <feature name="${project.artifactId}" version="${project.version}"
+             description="${project.description}">
+        <feature>onos-api</feature>
+        <bundle>mvn:${project.groupId}/onos-app-influxdb/${project.version}</bundle>
+        <bundle>wrap:mvn:com.izettle/metrics-influxdb/1.1.1$Bundle-SymbolicName=metrics-influxdb&amp;Bundle-Version=1.1.1</bundle>
+        <bundle>mvn:commons-codec/commons-codec/1.10</bundle>
+    </feature>
+</features>

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2016 Open Networking Laboratory
+  ~
+  ~ 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.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onos-apps</artifactId>
+        <version>1.6.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>onos-app-influxdb</artifactId>
+    <packaging>bundle</packaging>
+
+    <description>Performance metric service reporter and retriever for influxDB</description>
+
+    <properties>
+        <onos.app.name>org.onosproject.influxdbmetrics</onos.app.name>
+        <onos.app.title>InfluxDB Report and Query App</onos.app.title>
+        <onos.app.category>Monitoring</onos.app.category>
+        <onos.app.url>http://onosproject.org</onos.app.url>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.compendium</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onlab-misc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-cli</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.karaf.shell</groupId>
+            <artifactId>org.apache.karaf.shell.console</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.felix</groupId>
+            <artifactId>org.apache.felix.scr.annotations</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.dropwizard.metrics</groupId>
+            <artifactId>metrics-core</artifactId>
+            <version>3.1.2</version>
+        </dependency>
+        <dependency>
+            <groupId>com.izettle</groupId>
+            <artifactId>metrics-influxdb</artifactId>
+            <version>1.1.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-api</artifactId>
+            <version>${project.version}</version>
+            <classifier>tests</classifier>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onlab-junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.easymock</groupId>
+            <artifactId>easymock</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/**
+ * Application that provides capability to report and retrieve metrics
+ * to and from influx database.
+ */
+package org.onosproject.influxdbmetrics;

+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.influxdbmetrics;
+
+import com.codahale.metrics.Counter;
+import com.codahale.metrics.Gauge;
+import com.codahale.metrics.Histogram;
+import com.codahale.metrics.Meter;
+import com.codahale.metrics.Metric;
+import com.codahale.metrics.MetricFilter;
+import com.codahale.metrics.MetricRegistry;
+import com.codahale.metrics.Timer;
+import org.junit.Before;
+import org.onlab.metrics.MetricsComponent;
+import org.onlab.metrics.MetricsFeature;
+import org.onlab.metrics.MetricsService;
+import org.onosproject.cfg.ComponentConfigAdapter;
+import org.onosproject.cluster.ClusterServiceAdapter;
+import org.onosproject.core.CoreServiceAdapter;
+
+import java.util.Map;
+
+/**
+ * Unit tests for influxDB metrics reporter.
+ */
+public class InfluxDbMetricsReporterTest {
+
+    private InfluxDbMetricsReporter influxReporter;
+
+    /**
+     * Sets up the services required by influxDB metrics reporter.
+     */
+    @Before
+    public void setUp() {
+        influxReporter = new InfluxDbMetricsReporter();
+        influxReporter.coreService = new CoreServiceAdapter();
+        influxReporter.cfgService = new ComponentConfigAdapter();
+        influxReporter.clusterService = new ClusterServiceAdapter();
+        influxReporter.metricsService = new TestMetricsService();
+        influxReporter.activate();
+    }
+
+    /**
+     * Tears down influxDB metrics reporter.
+     */
+    public void tearDown() {
+        influxReporter.deactivate();
+    }
+
+    private class TestMetricsService implements MetricsService {
+
+        @Override
+        public MetricsComponent registerComponent(String name) {
+            return null;
+        }
+
+        @Override
+        public MetricRegistry getMetricRegistry() {
+            return null;
+        }
+
+        @Override
+        public Counter createCounter(MetricsComponent component,
+                                     MetricsFeature feature, String metricName) {
+            return null;
+        }
+
+        @Override
+        public Histogram createHistogram(MetricsComponent component,
+                                         MetricsFeature feature, String metricName) {
+            return null;
+        }
+
+        @Override
+        public Timer createTimer(MetricsComponent component,
+                                 MetricsFeature feature, String metricName) {
+            return null;
+        }
+
+        @Override
+        public Meter createMeter(MetricsComponent component,
+                                 MetricsFeature feature, String metricName) {
+            return null;
+        }
+
+        @Override
+        public <T extends Metric> T registerMetric(MetricsComponent component,
+                                                   MetricsFeature feature,
+                                                   String metricName, T metric) {
+            return null;
+        }
+
+        @Override
+        public boolean removeMetric(MetricsComponent component,
+                                    MetricsFeature feature, String metricName) {
+            return false;
+        }
+
+        @Override
+        public Map<String, Timer> getTimers(MetricFilter filter) {
+            return null;
+        }
+
+        @Override
+        public Map<String, Gauge> getGauges(MetricFilter filter) {
+            return null;
+        }
+
+        @Override
+        public Map<String, Counter> getCounters(MetricFilter filter) {
+            return null;
+        }
+
+        @Override
+        public Map<String, Meter> getMeters(MetricFilter filter) {
+            return null;
+        }
+
+        @Override
+        public Map<String, Histogram> getHistograms(MetricFilter filter) {
+            return null;
+        }
+
+        @Override
+        public Map<String, Metric> getMetrics() {
+            return null;
+        }
+
+        @Override
+        public void removeMatching(MetricFilter filter) {
+        }
+    }
+}

@@ -70,6 +70,7 @@
         <module>openstacknode</module>
         <module>openstacknetworking</module>
         <module>openstackinterface</module>
+        <module>influxdbmetrics</module>
   </modules>
 
     <properties>