DCAE Onset flood prevention

Issue-ID: POLICY-2323
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Change-Id: I08cd55b442ccce3e0eaaa63c1ebd4422c1e0a0d5
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>

6 files changed, 64 insertions, 9 deletions

diff --git a/controlloop/common/controller-usecases/src/main/resources/META-INF/kmodule.xml b/controlloop/common/controller-usecases/src/main/resources/META-INF/kmodule.xml
index 9ca418668..4fe7da112 100644
--- a/controlloop/common/controller-usecases/src/main/resources/META-INF/kmodule.xml
+++ b/controlloop/common/controller-usecases/src/main/resources/META-INF/kmodule.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
   ============LICENSE_START=======================================================
-  archetype-closed-loop-demo-rules
+  ONAP
   ================================================================================
-  Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+  Copyright (C) 2018-2020 AT&T Intellectual Property. All rights reserved.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -19,7 +19,7 @@
   ============LICENSE_END=========================================================
   -->
 <kmodule xmlns="http://jboss.org/kie/6.0.0/kmodule">
-    <kbase name="onap.policies.controlloop.Operational">
+    <kbase name="onap.policies.controlloop.Operational" equalsBehavior="equality">
         <ksession name="usecases"/>
     </kbase>
 </kmodule>
diff --git a/controlloop/common/controller-usecases/src/test/java/org/onap/policy/controlloop/VcpeTest.java b/controlloop/common/controller-usecases/src/test/java/org/onap/policy/controlloop/VcpeTest.java
index b5aae715b..8690f1a0a 100644
--- a/controlloop/common/controller-usecases/src/test/java/org/onap/policy/controlloop/VcpeTest.java
+++ b/controlloop/common/controller-usecases/src/test/java/org/onap/policy/controlloop/VcpeTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,7 +48,9 @@ public class VcpeTest extends UsecasesBase {
      * VCPE Use case Messages.
      */
     private static final String APPC_SUCCESS = "src/test/resources/vcpe/vcpe.appc.success.json";
-    private static final String ONSET = "src/test/resources/vcpe/vcpe.onset.json";
+    private static final String ONSET_1 = "src/test/resources/vcpe/vcpe.onset.1.json";
+    private static final String ONSET_2 = "src/test/resources/vcpe/vcpe.onset.2.json";
+    private static final String ONSET_3 = "src/test/resources/vcpe/vcpe.onset.3.json";
 
     /*
      * Topic trackers used by the VCPE use case.
@@ -88,7 +90,7 @@ public class VcpeTest extends UsecasesBase {
     public void sunnyDay() throws IOException {
 
         /* Inject an ONSET event over the DCAE topic */
-        injectOnTopic(DCAE_TOPIC, Paths.get(ONSET));
+        injectOnTopic(DCAE_TOPIC, Paths.get(ONSET_1));
 
         /* Wait to acquire a LOCK and a PDP-X PERMIT */
         waitForLockAndPermit(policy, policyClMgt);
@@ -120,6 +122,25 @@ public class VcpeTest extends UsecasesBase {
     }
 
     /**
+     * An ONSET flood prevention test that injects a few ONSETs at once.
+     * It attempts to simulate the flooding behavior of the DCAE TCA microservice.
+     * TCA could blast tenths or hundreds of ONSETs within sub-second intervals.
+     */
+    @Test
+    public void onsetFloodPrevention() throws IOException {
+        injectOnTopic(DCAE_TOPIC, Paths.get(ONSET_1));
+        injectOnTopic(DCAE_TOPIC, Paths.get(ONSET_2));
+        injectOnTopic(DCAE_TOPIC, Paths.get(ONSET_3));
+
+        assertEquals(1, usecases.getDrools().facts(USECASES, VirtualControlLoopEvent.class).stream().count());
+        assertEquals(1, usecases.getDrools().facts(USECASES, CanonicalOnset.class).stream().count());
+        assertEquals(usecases.getDrools().facts(USECASES, CanonicalOnset.class).get(0),
+                usecases.getDrools().facts(USECASES, VirtualControlLoopEvent.class).get(0));
+
+        sunnyDay();
+    }
+
+    /**
      * Observe Topics.
      */
     @Before
diff --git a/controlloop/common/controller-usecases/src/test/resources/config/usecases-controller.properties b/controlloop/common/controller-usecases/src/test/resources/config/usecases-controller.properties
index 07a97b9b4..483b13ad7 100644
--- a/controlloop/common/controller-usecases/src/test/resources/config/usecases-controller.properties
+++ b/controlloop/common/controller-usecases/src/test/resources/config/usecases-controller.properties
@@ -2,7 +2,7 @@
 # ============LICENSE_START=======================================================
 # ONAP
 # ================================================================================
-# Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+# Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
 # ================================================================================
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -26,8 +26,9 @@ rules.version=1.0.0
 
 noop.source.topics=DCAE_TOPIC,APPC-CL,APPC-LCM-WRITE,SDNR-CL-RSP,POLICY-CL-MGT,APPC-LCM-READ,SDNR-CL,DCAE_CL_RSP
 
-noop.source.topics.DCAE_TOPIC.events=org.onap.policy.controlloop.VirtualControlLoopEvent
-noop.source.topics.DCAE_TOPIC.events.org.onap.policy.controlloop.VirtualControlLoopEvent.filter=[?($.closedLoopEventStatus)]
+noop.source.topics.DCAE_TOPIC.events=org.onap.policy.controlloop.CanonicalOnset,org.onap.policy.controlloop.CanonicalAbated
+noop.source.topics.DCAE_TOPIC.events.org.onap.policy.controlloop.CanonicalOnset.filter=[?($.closedLoopEventStatus == 'ONSET')]
+noop.source.topics.DCAE_TOPIC.events.org.onap.policy.controlloop.CanonicalAbated.filter=[?($.closedLoopEventStatus == 'ABATED')]
 noop.source.topics.DCAE_TOPIC.events.custom.gson=org.onap.policy.controlloop.util.Serialization,gson
 
 noop.source.topics.APPC-CL.events=org.onap.policy.appc.Response,org.onap.policy.appc.Request
diff --git a/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.json b/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.1.json
index d08ee47cd..d08ee47cd 100644
--- a/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.json
+++ b/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.1.json
diff --git a/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.2.json b/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.2.json
new file mode 100644
index 000000000..b8c76514e
--- /dev/null
+++ b/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.2.json
@@ -0,0 +1,16 @@
+{
+  "closedLoopControlName": "ControlLoop-vCPE-48f0c2c3-a172-4192-9ae3-052274181b6e",
+  "closedLoopAlarmStart": 1463679805324,
+  "closedLoopEventClient": "DCAE_INSTANCE_ID.dcae-tca",
+  "closedLoopEventStatus": "ONSET",
+  "requestID": "8cf3cd05-1218-4224-931b-601494ffe55b",
+  "target_type": "VNF",
+  "target": "generic-vnf.vnf-id",
+  "AAI": {
+    "vserver.is-closed-loop-disabled": "false",
+    "vserver.prov-status": "ACTIVE",
+    "generic-vnf.vnf-id": "vCPE_Infrastructure_vGMUX_demo_app"
+  },
+  "from": "DCAE",
+  "version": "1.0.2"
+}
\ No newline at end of file
diff --git a/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.3.json b/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.3.json
new file mode 100644
index 000000000..40f29b3cf
--- /dev/null
+++ b/controlloop/common/controller-usecases/src/test/resources/vcpe/vcpe.onset.3.json
@@ -0,0 +1,17 @@
+{
+  "closedLoopControlName": "ControlLoop-vCPE-48f0c2c3-a172-4192-9ae3-052274181b6e",
+  "closedLoopAlarmStart": 1570722876324905,
+  "closedLoopAlarmEnd": 1570722876324999,
+  "closedLoopEventClient": "DCAE_INSTANCE_ID.dcae-tca",
+  "closedLoopEventStatus": "ONSET",
+  "requestID": "8cf3cd05-1218-4224-931b-601494ffe55b",
+  "target_type": "VNF",
+  "target": "generic-vnf.vnf-id",
+  "AAI": {
+    "vserver.is-closed-loop-disabled": "false",
+    "vserver.prov-status": "ACTIVE",
+    "generic-vnf.vnf-id": "vCPE_Infrastructure_vGMUX_demo_app"
+  },
+  "from": "DCAE",
+  "version": "1.0.2"
+}
\ No newline at end of file