Bug fix: Graphite reporter
- It never changes report period bacause of Default config
- TODO: implement retriever and add some function

Change-Id: I578c7fedefbe76f265dd43091588dd19d541ffa1
diff --git a/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/DefaultGraphiteMetricsReporter.java b/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/DefaultGraphiteMetricsReporter.java
index 11e4948..5d4eb4f 100644
--- a/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/DefaultGraphiteMetricsReporter.java
+++ b/apps/graphitemetrics/src/main/java/org/onosproject/graphitemetrics/DefaultGraphiteMetricsReporter.java
@@ -127,7 +127,7 @@
         graphiteReporter = buildReporter(graphite);
 
         try {
-            graphiteReporter.start(DEFAULT_REPORT_PERIOD, REPORT_TIME_UNIT);
+            graphiteReporter.start(reportPeriod, REPORT_TIME_UNIT);
         } catch (Exception e) {
             log.error("Errors during reporting to graphite, msg: {}" + e.getMessage());
         }
@@ -154,7 +154,7 @@
         graphiteReporter = buildReporter(graphite);
 
         try {
-            graphiteReporter.start(DEFAULT_REPORT_PERIOD, REPORT_TIME_UNIT);
+            graphiteReporter.start(reportPeriod, REPORT_TIME_UNIT);
         } catch (Exception e) {
             log.error("Errors during reporting to graphite, msg: {}" + e.getMessage());
         }