enable viewing lifecycle statistics with telemetry

Issue-ID: POLICY-3121
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Change-Id: I25e8c4439c0a6beabe532c17cc58919f369f17f0
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>

2 files changed, 16 insertions, 1 deletions

diff --git a/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/LifecycleFsm.java b/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/LifecycleFsm.java
index 4f1a4f31..ea5e49f4 100644
--- a/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/LifecycleFsm.java
+++ b/feature-lifecycle/src/main/java/org/onap/policy/drools/lifecycle/LifecycleFsm.java
@@ -595,7 +595,10 @@ public class LifecycleFsm implements Startable {
         return status;
     }
 
-    private PdpStatistics statisticsPayload() {
+    /**
+     * It provides a snapshot of the current statistics.
+     */
+    public PdpStatistics statisticsPayload() {
         PdpStatistics updateStats = new PdpStatistics(stats);
         updateStats.setTimeStamp(Instant.now());
 
diff --git a/feature-lifecycle/src/main/java/org/onap/policy/drools/server/restful/RestLifecycleManager.java b/feature-lifecycle/src/main/java/org/onap/policy/drools/server/restful/RestLifecycleManager.java
index e9969094..9af78ae6 100644
--- a/feature-lifecycle/src/main/java/org/onap/policy/drools/server/restful/RestLifecycleManager.java
+++ b/feature-lifecycle/src/main/java/org/onap/policy/drools/server/restful/RestLifecycleManager.java
@@ -45,6 +45,7 @@ import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.drools.lifecycle.LifecycleFeature;
 import org.onap.policy.drools.lifecycle.PolicyTypeController;
 import org.onap.policy.models.pdp.concepts.PdpStateChange;
+import org.onap.policy.models.pdp.concepts.PdpStatistics;
 import org.onap.policy.models.pdp.concepts.PdpUpdate;
 import org.onap.policy.models.pdp.enums.PdpState;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
@@ -408,6 +409,17 @@ public class RestLifecycleManager {
         return Response.status(Response.Status.OK).entity(Collections.emptyList()).build();
     }
 
+    /**
+     * Get current counts.
+     */
+
+    @GET
+    @Path("statistics")
+    @ApiOperation(value = "Gets Policy Statistics", response = PdpStatistics.class)
+    public Response stats() {
+        return Response.status(Response.Status.OK).entity(LifecycleFeature.getFsm().statisticsPayload()).build();
+    }
+
     private Response deployUndeployOperation(String policy, boolean deploy) {
         ToscaPolicy toscaPolicy = getToscaPolicy(policy);
         if (toscaPolicy == null) {