[ONOS-4176] Implement influxdb retriever for querying  metrics

Change-Id: Ia1f3fc4fb3c76fafd003320940b8fe16b039ddae
diff --git a/apps/influxdbmetrics/pom.xml b/apps/influxdbmetrics/pom.xml
index 3eeca29..c06a0eb 100644
--- a/apps/influxdbmetrics/pom.xml
+++ b/apps/influxdbmetrics/pom.xml
@@ -71,6 +71,11 @@
             <version>1.1.1</version>
         </dependency>
         <dependency>
+            <groupId>org.influxdb</groupId>
+            <artifactId>influxdb-java</artifactId>
+            <version>2.1</version>
+        </dependency>
+        <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>onos-api</artifactId>
             <version>${project.version}</version>