Remove pdp statistics implementations from drools-pdp

Issue-ID: POLICY-4109
Signed-off-by: zrrmmua <ramesh.murugan.iyer@est.tech>
Change-Id: I9fd807e4df5392cef680202ad80c7cc269d7b349

8 files changed, 0 insertions, 311 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 4ded8dc9..c946f3b2 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
@@ -61,7 +61,6 @@ import org.onap.policy.drools.system.PolicyController;
 import org.onap.policy.drools.system.PolicyEngineConstants;
 import org.onap.policy.models.pdp.concepts.PdpResponseDetails;
 import org.onap.policy.models.pdp.concepts.PdpStateChange;
-import org.onap.policy.models.pdp.concepts.PdpStatistics;
 import org.onap.policy.models.pdp.concepts.PdpStatus;
 import org.onap.policy.models.pdp.concepts.PdpUpdate;
 import org.onap.policy.models.pdp.enums.PdpHealthStatus;
@@ -164,9 +163,6 @@ public class LifecycleFsm implements Startable {
     @Getter
     protected final Map<ToscaConceptIdentifier, ToscaPolicy> policiesMap = new HashMap<>();
 
-    @Getter
-    protected final PdpStatistics stats = new PdpStatistics();
-
     /**
      * Constructor.
      */
@@ -206,7 +202,6 @@ public class LifecycleFsm implements Startable {
     public String getPdpName() {
         if (this.pdpName == null) {
             this.pdpName = PolicyEngineConstants.getManager().getPdpName();
-            this.stats.setPdpInstanceId(pdpName);
         }
 
         return this.pdpName;
@@ -224,7 +219,6 @@ public class LifecycleFsm implements Startable {
      */
     public synchronized void setGroup(String group) {
         this.group = group;
-        this.stats.setPdpGroupName(group);
     }
 
     /**
@@ -232,7 +226,6 @@ public class LifecycleFsm implements Startable {
      */
     public synchronized void setSubGroup(String subGroup) {
         this.subGroup = subGroup;
-        this.stats.setPdpSubGroupName(subGroup);
     }
 
     /* ** FSM events - entry points of events into the FSM ** */
@@ -240,7 +233,6 @@ public class LifecycleFsm implements Startable {
     @Override
     public synchronized boolean start() {
         this.pdpName = PolicyEngineConstants.getManager().getPdpName();
-        stats.setPdpInstanceId(pdpName);
         logger.info("lifecycle event: start engine");
         return state.start();
     }
@@ -462,8 +454,6 @@ public class LifecycleFsm implements Startable {
             deploymentsCounter.labels(state.state().name(),
                     PrometheusUtils.DEPLOY_OPERATION,
                     PdpResponseStatus.SUCCESS.name()).inc();
-            getStats().setPolicyDeployCount(getStats().getPolicyDeployCount() + 1);
-            getStats().setPolicyDeploySuccessCount(getStats().getPolicyDeploySuccessCount() + 1);
             return policy;
         });
     }
@@ -475,8 +465,6 @@ public class LifecycleFsm implements Startable {
             deploymentsCounter.labels(state.state().name(),
                     PrometheusUtils.UNDEPLOY_OPERATION,
                     PdpResponseStatus.SUCCESS.name()).inc();
-            getStats().setPolicyUndeployCount(getStats().getPolicyUndeployCount() + 1);
-            getStats().setPolicyUndeploySuccessCount(getStats().getPolicyUndeploySuccessCount() + 1);
             return null;
         });
     }
@@ -485,52 +473,16 @@ public class LifecycleFsm implements Startable {
         deploymentsCounter.labels(state.state().name(),
                 PrometheusUtils.DEPLOY_OPERATION,
                 PdpResponseStatus.FAIL.name()).inc();
-        getStats().setPolicyDeployCount(getStats().getPolicyDeployCount() + 1);
-        getStats().setPolicyDeployFailCount(getStats().getPolicyDeployFailCount() + 1);
     }
 
     protected void failedUndeployPolicyAction(ToscaPolicy failedPolicy) {
         deploymentsCounter.labels(state.state().name(),
                 PrometheusUtils.UNDEPLOY_OPERATION,
                 PdpResponseStatus.FAIL.name()).inc();
-        getStats().setPolicyUndeployCount(getStats().getPolicyUndeployCount() + 1);
-        getStats().setPolicyUndeployFailCount(getStats().getPolicyUndeployFailCount() + 1);
         policiesMap.remove(failedPolicy.getIdentifier());
     }
 
-    protected void updateDeployCountsAction(Long deployCount, Long deploySuccesses, Long deployFailures) {
-        PdpStatistics statistics = getStats();
-        if (deployCount != null) {
-            statistics.setPolicyDeployCount(deployCount);
-        }
-
-        if (deploySuccesses != null) {
-            statistics.setPolicyDeploySuccessCount(deploySuccesses);
-        }
-
-        if (deployFailures != null) {
-            statistics.setPolicyDeployFailCount(deployFailures);
-        }
-    }
-
-    protected void updateUndeployCountsAction(Long undeployCount, Long undeploySuccesses, Long undeployFailures) {
-        PdpStatistics statistics = getStats();
-        if (undeployCount != null) {
-            statistics.setPolicyUndeployCount(undeployCount);
-        }
-
-        if (undeploySuccesses != null) {
-            statistics.setPolicyUndeploySuccessCount(undeploySuccesses);
-        }
-
-        if (undeployFailures != null) {
-            statistics.setPolicyUndeployFailCount(undeployFailures);
-        }
-    }
-
     protected List<ToscaPolicy> resetPoliciesAction() {
-        updateDeployCountsAction(0L, 0L, 0L);
-        updateUndeployCountsAction(0L, 0L, 0L);
         List<ToscaPolicy> policies = new ArrayList<>(getActivePolicies());
         policiesMap.clear();
         return policies;
@@ -671,21 +623,6 @@ public class LifecycleFsm implements Startable {
         return status;
     }
 
-    /**
-     * It provides a snapshot of the current statistics.
-     */
-    public PdpStatistics statisticsPayload() {
-        var updateStats = new PdpStatistics(stats);
-        updateStats.setTimeStamp(Instant.now());
-
-        try {
-            BeanUtils.copyProperties(updateStats, PolicyEngineConstants.getManager().getStats().getGroupStat());
-        } catch (IllegalAccessException | InvocationTargetException ex) {
-            logger.debug("statistics mapping failure", ex);
-        }
-
-        return updateStats;
-    }
 
     private boolean source() {
         List<TopicSource> sources = TopicEndpointManager.getManager().addTopicSources(properties);
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 7282a59b..cad980f5 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
@@ -375,16 +375,6 @@ public class RestLifecycleManager implements LifecycleApi {
         return Response.status(Response.Status.OK).entity(Collections.emptyList()).build();
     }
 
-    /**
-     * Get current counts.
-     */
-
-    @Override
-    @GET
-    @Path("statistics")
-    public Response stats() {
-        return Response.status(Response.Status.OK).entity(LifecycleFeature.getFsm().statisticsPayload()).build();
-    }
 
     private Response deployUndeployOperation(String policy, boolean deploy) {
         var toscaPolicy = getToscaPolicy(policy);
diff --git a/feature-lifecycle/src/test/java/org/onap/policy/drools/lifecycle/LifecycleFsmTest.java b/feature-lifecycle/src/test/java/org/onap/policy/drools/lifecycle/LifecycleFsmTest.java
index ff8b1042..c08ac9fe 100644
--- a/feature-lifecycle/src/test/java/org/onap/policy/drools/lifecycle/LifecycleFsmTest.java
+++ b/feature-lifecycle/src/test/java/org/onap/policy/drools/lifecycle/LifecycleFsmTest.java
@@ -189,14 +189,12 @@ public class LifecycleFsmTest {
     public void testSetGroup() {
         fsm.setGroup("bar");
         assertEquals("bar", fsm.getGroup());
-        assertEquals("bar", fsm.getStats().getPdpGroupName());
     }
 
     @Test
     public void testSetSubGroup() {
         fsm.setSubGroup("foo");
         assertEquals("foo", fsm.getSubGroup());
-        assertEquals("foo", fsm.getStats().getPdpSubGroupName());
     }
 
     @Test
@@ -204,31 +202,6 @@ public class LifecycleFsmTest {
         assertEquals("foo", fsm.getPdpType());
     }
 
-    @Test
-    public void testDeployedPolicyAction() {
-        fsm.deployedPolicyAction(controllerPolicy);
-        assertEquals(1, fsm.getStats().getPolicyDeploySuccessCount());
-
-        fsm.undeployedPolicyAction(controllerPolicy);
-        assertEquals(1, fsm.getStats().getPolicyDeploySuccessCount());
-        assertEquals(1, fsm.getStats().getPolicyUndeploySuccessCount());
-
-        fsm.resetPoliciesAction();
-        assertEquals(0, fsm.getStats().getPolicyUndeployCount());
-        assertEquals(0, fsm.getStats().getPolicyUndeploySuccessCount());
-    }
-
-    @Test
-    public void testRestDeployCountsAction() {
-        deployAllPolicies();
-        assertEquals(8, fsm.getStats().getPolicyDeploySuccessCount());
-        assertEquals(0, fsm.getStats().getPolicyUndeployCount());
-
-        fsm.resetPoliciesAction();
-        assertEquals(0, fsm.getStats().getPolicyDeploySuccessCount());
-        assertEquals(0, fsm.getStats().getPolicyDeployFailCount());
-        assertEquals(0, fsm.getStats().getPolicyDeployCount());
-    }
 
     @Test
     public void testMergePolicies() {
@@ -262,38 +235,6 @@ public class LifecycleFsmTest {
                 fsm.getPolicyIds(List.of(opPolicy, controllerPolicy)).toString());
     }
 
-    @Test
-    public void testUpdateCountsAction() {
-        fsm.resetPoliciesAction();
-
-        assertDeployUndeployValues(0, 0, 0, 0, 0, 0);
-
-        fsm.updateDeployCountsAction(3L, 2L, 1L);
-        assertDeployUndeployValues(3, 2, 1, 0, 0, 0);
-
-        fsm.updateUndeployCountsAction(1L, 1L, 0L);
-        assertDeployUndeployValues(3, 2, 1, 1, 1, 0);
-
-        // shouldn't update values
-        fsm.updateDeployCountsAction(null, null, null);
-        fsm.updateUndeployCountsAction(null, null, null);
-
-        assertDeployUndeployValues(3, 2, 1, 1, 1, 0);
-        fsm.resetPoliciesAction();
-
-        assertDeployUndeployValues(0, 0, 0, 0, 0, 0);
-    }
-
-    protected void assertDeployUndeployValues(long deployCount, long deploySuccess, long deployFail,
-            long undeployCount, long undeploySuccess, long undeployFail) {
-        assertEquals(deployCount, fsm.getStats().getPolicyDeployCount());
-        assertEquals(deploySuccess, fsm.getStats().getPolicyDeploySuccessCount());
-        assertEquals(deployFail, fsm.getStats().getPolicyDeployFailCount());
-        assertEquals(undeployCount, fsm.getStats().getPolicyUndeployCount());
-        assertEquals(undeploySuccess, fsm.getStats().getPolicyUndeploySuccessCount());
-        assertEquals(undeployFail, fsm.getStats().getPolicyUndeployFailCount());
-    }
-
     protected void deployAllPolicies() {
         fsm.deployedPolicyAction(controllerPolicy);
         fsm.deployedPolicyAction(controller2Policy);
diff --git a/feature-lifecycle/src/test/java/org/onap/policy/drools/lifecycle/LifecycleFsmUpdateTest.java b/feature-lifecycle/src/test/java/org/onap/policy/drools/lifecycle/LifecycleFsmUpdateTest.java
index 5d56143d..90c0d94c 100644
--- a/feature-lifecycle/src/test/java/org/onap/policy/drools/lifecycle/LifecycleFsmUpdateTest.java
+++ b/feature-lifecycle/src/test/java/org/onap/policy/drools/lifecycle/LifecycleFsmUpdateTest.java
@@ -258,7 +258,6 @@ public class LifecycleFsmUpdateTest {
         assertTrue(fsm.update(getPdpUpdate(List.of(), List.of(artifactPolicy))));
         assertEquals(1, PolicyControllerConstants.getFactory().inventory().size());
         assertFalse(PolicyControllerConstants.getFactory().get("lifecycle").getDrools().isBrained());
-        verifyUndeployStats(5, 5, 0);
 
         // Delta: +artifactPolicy
         // from deltas, all delta updates should be successfully applied
@@ -270,7 +269,6 @@ public class LifecycleFsmUpdateTest {
         // from deltas, all delta updates should be successfully applied
         assertTrue(fsm.update(getPdpUpdate(List.of(), List.of(controllerPolicy))));
         assertEquals(0, PolicyControllerConstants.getFactory().inventory().size());
-        verifyUndeployStats(6, 6, 0);
 
         // Delta: +controllerPolicy
         // from deltas, all delta updates should be successfully applied
@@ -333,8 +331,6 @@ public class LifecycleFsmUpdateTest {
         verifyActivePoliciesWithDisables(
                 List.of(opPolicy, op2Policy, controller2Policy, valPolicy, artifact2Policy, unvalPolicy),
                 List.of(opPolicy.getIdentifier(), op2Policy.getIdentifier()));
-        verifyDeployStats(17, 16, 1);
-        verifyUndeployStats(10, 10, 0);
 
         // Delta: -opPolicy, -op2Policy, -controller2Policy, -valPolicy, -artifact2Policy, -unvalPolicy
         // from deltas, -opPolicy and -op2Policy undeploys will fail since there is not controller with that
@@ -346,7 +342,6 @@ public class LifecycleFsmUpdateTest {
         assertEquals(0, PolicyControllerConstants.getFactory().inventory().size());
         verifyDeploy(List.of(), 17, 16, 1, 16, 14, 2);
 
-        verifyFullStats(33, 30, 3);
         fsm.shutdown();
     }
 
@@ -354,7 +349,6 @@ public class LifecycleFsmUpdateTest {
         assertEquals(0, fsm.getPoliciesMap().size());
         assertEquals("ACTIVE", fsm.state().toString());
         assertEquals(0, PolicyControllerConstants.getFactory().inventory().size());
-        verifyDeployStats(0, 0, 0);
     }
 
     protected PdpUpdate getPdpUpdate(List<ToscaPolicy> policiesToDeploy, List<ToscaPolicy> policiesToUndeploy) {
@@ -377,8 +371,6 @@ public class LifecycleFsmUpdateTest {
     private void verifyDeploy(List<ToscaPolicy> active, long deployCount, long deploySuccess, long deployFail,
             long undeployCount, long undeploySuccess, long undeployFail) throws CoderException {
         verifyActivePolicies(active);
-        verifyDeployStats(deployCount, deploySuccess, deployFail);
-        verifyUndeployStats(undeployCount, undeploySuccess, undeployFail);
     }
 
     protected void verifyExists(boolean exists, String controller, List<ToscaPolicy> policies) {
@@ -533,25 +525,6 @@ public class LifecycleFsmUpdateTest {
                 candidateNativeArtifactPolicies.isEmpty());
     }
 
-    protected void verifyDeployStats(long count, long success, long fail) {
-        assertEquals(count, fsm.getStats().getPolicyDeployCount());
-        assertEquals(success, fsm.getStats().getPolicyDeploySuccessCount());
-        assertEquals(fail, fsm.getStats().getPolicyDeployFailCount());
-    }
-
-    protected void verifyUndeployStats(long count, long success, long fail) {
-        assertEquals(count, fsm.getStats().getPolicyUndeployCount());
-        assertEquals(success, fsm.getStats().getPolicyUndeploySuccessCount());
-        assertEquals(fail, fsm.getStats().getPolicyUndeployFailCount());
-    }
-
-    protected void verifyFullStats(long count, long success, long fail) {
-        assertEquals(count, fsm.getStats().getPolicyDeployCount() + fsm.getStats().getPolicyUndeployCount());
-        assertEquals(success,
-                fsm.getStats().getPolicyDeploySuccessCount() + fsm.getStats().getPolicyUndeploySuccessCount());
-        assertEquals(fail, fsm.getStats().getPolicyDeployFailCount() + fsm.getStats().getPolicyUndeployFailCount());
-    }
-
     protected List<NativeArtifactPolicy> getNativeArtifactPoliciesBut(List<ToscaPolicy> nativePolicies,
             String controllerName) {
         return nativePolicies.stream().map(nativePolicy -> {
diff --git a/feature-lifecycle/src/test/java/org/onap/policy/drools/server/restful/RestLifecycleManagerTest.java b/feature-lifecycle/src/test/java/org/onap/policy/drools/server/restful/RestLifecycleManagerTest.java
index 7fcf1e5a..85294306 100644
--- a/feature-lifecycle/src/test/java/org/onap/policy/drools/server/restful/RestLifecycleManagerTest.java
+++ b/feature-lifecycle/src/test/java/org/onap/policy/drools/server/restful/RestLifecycleManagerTest.java
@@ -245,7 +245,6 @@ public class RestLifecycleManagerTest {
         resourceLists("policies", 2);
         get("policies/example.controller/1.0.0", Status.OK.getStatusCode());
         get("policies/example.artifact/1.0.0", Status.OK.getStatusCode());
-        get("statistics", Status.OK.getStatusCode());
 
         /* add tosca compliant operational policy */
 
diff --git a/policy-management/pom.xml b/policy-management/pom.xml
index 5f605553..64e9f6b4 100644
--- a/policy-management/pom.xml
+++ b/policy-management/pom.xml
@@ -167,7 +167,6 @@
                                 ControllerConfiguration=org.onap.policy.drools.protocol.configuration.ControllerConfiguration,
                                 DroolsController=org.onap.policy.drools.controller.DroolsController,
                                 JsonProtocolFilter=org.onap.policy.drools.protocol.coders.JsonProtocolFilter,
-                                PdpStatistics=org.onap.policy.models.pdp.concepts.PdpStatistics,
                                 PdpdConfiguration=org.onap.policy.drools.protocol.configuration.PdpdConfiguration,
                                 PolicyController=org.onap.policy.drools.system.PolicyController,
                                 PolicyControllerFeatureApi=org.onap.policy.drools.features.PolicyControllerFeatureApi,
diff --git a/policy-management/src/main/resources/openapi/openapi.yaml b/policy-management/src/main/resources/openapi/openapi.yaml
index 612ad10e..a763150b 100644
--- a/policy-management/src/main/resources/openapi/openapi.yaml
+++ b/policy-management/src/main/resources/openapi/openapi.yaml
@@ -465,22 +465,6 @@ paths:
             application/yaml:
               schema:
                 $ref: '#/components/schemas/Response'
-  /lifecycle/statistics:
-    get:
-      tags:
-        - pdp-d-lifecycle
-      summary: Gets Policy Statistics
-      operationId: stats
-      responses:
-        200:
-          description: successful operation
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/Response'
-            application/yaml:
-              schema:
-                $ref: '#/components/schemas/Response'
   /lifecycle/properties:
     get:
       tags:
@@ -3006,52 +2990,6 @@ components:
         lastStart:
           type: integer
           format: int64
-    PdpStatistics:
-      type: object
-      properties:
-        pdpInstanceId:
-          type: string
-        timeStamp:
-          type: integer
-          format: int64
-        generatedId:
-          type: integer
-          format: int64
-        pdpGroupName:
-          type: string
-        pdpSubGroupName:
-          type: string
-        policyExecutedCount:
-          type: integer
-          format: int64
-        policyExecutedSuccessCount:
-          type: integer
-          format: int64
-        policyExecutedFailCount:
-          type: integer
-          format: int64
-        policyDeployCount:
-          type: integer
-          format: int64
-        policyDeploySuccessCount:
-          type: integer
-          format: int64
-        policyDeployFailCount:
-          type: integer
-          format: int64
-        policyUndeployCount:
-          type: integer
-          format: int64
-        policyUndeploySuccessCount:
-          type: integer
-          format: int64
-        policyUndeployFailCount:
-          type: integer
-          format: int64
-        engineStats:
-          type: array
-          items:
-            $ref: '#/components/schemas/PdpEngineWorkerStatistics'
     TopicSource:
       type: object
       properties:
diff --git a/policy-management/src/main/resources/swagger/swagger.json b/policy-management/src/main/resources/swagger/swagger.json
index 1a6a7c17..f26a1bfe 100644
--- a/policy-management/src/main/resources/swagger/swagger.json
+++ b/policy-management/src/main/resources/swagger/swagger.json
@@ -672,30 +672,6 @@
         }
       }
     },
-    "/lifecycle/statistics" : {
-      "get" : {
-        "tags" : [ "pdp-d-lifecycle" ],
-        "summary" : "Gets Policy Statistics",
-        "operationId" : "stats",
-        "responses" : {
-          "200" : {
-            "description" : "successful operation",
-            "content" : {
-              "application/json" : {
-                "schema" : {
-                  "$ref" : "#/components/schemas/Response"
-                }
-              },
-              "application/yaml" : {
-                "schema" : {
-                  "$ref" : "#/components/schemas/Response"
-                }
-              }
-            }
-          }
-        }
-      }
-    },
     "/lifecycle/properties" : {
       "get" : {
         "tags" : [ "pdp-d-lifecycle" ],
@@ -4300,70 +4276,6 @@
           }
         }
       },
-      "PdpStatistics" : {
-        "type" : "object",
-        "properties" : {
-          "pdpInstanceId" : {
-            "type" : "string"
-          },
-          "timeStamp" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "generatedId" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "pdpGroupName" : {
-            "type" : "string"
-          },
-          "pdpSubGroupName" : {
-            "type" : "string"
-          },
-          "policyExecutedCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "policyExecutedSuccessCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "policyExecutedFailCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "policyDeployCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "policyDeploySuccessCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "policyDeployFailCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "policyUndeployCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "policyUndeploySuccessCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "policyUndeployFailCount" : {
-            "type" : "integer",
-            "format" : "int64"
-          },
-          "engineStats" : {
-            "type" : "array",
-            "items" : {
-              "$ref" : "#/components/schemas/PdpEngineWorkerStatistics"
-            }
-          }
-        }
-      },
       "TopicSource" : {
         "type" : "object",
         "properties" : {