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authorFrancescoFioraEst <francesco.fiora@est.tech>2021-07-28 16:38:54 +0100
committerFrancescoFioraEst <francesco.fiora@est.tech>2021-08-04 14:25:37 +0100
commit6ed593e34c4d538ad17ee9275b6470704e3a286f (patch)
treeeef7efe5922ff635a2c759bb16a0ad626e1a6efd /runtime-controlloop/src
parent055fa4ad38a11bb5890b6e0ea280e9b96a1b2a39 (diff)
Support for Retry and Timeout handling on ParticipantStatus
POLICY-3464: Support for Retry and Timeout handling on ParticipantStatus Change-Id: Iecf8bc9921cb92987bc75b6938efc543350a1543 Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>
Diffstat (limited to 'runtime-controlloop/src')
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/HandleCounter.java91
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspect.java7
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java123
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ParticipantStatusReqPublisher.java48
-rw-r--r--runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/HandleCounterTest.java84
-rw-r--r--runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspectTest.java66
-rw-r--r--runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScannerTest.java160
7 files changed, 527 insertions, 52 deletions
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/HandleCounter.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/HandleCounter.java
new file mode 100644
index 000000000..2151dc143
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/HandleCounter.java
@@ -0,0 +1,91 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.supervision;
+
+import java.time.Instant;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import lombok.Getter;
+import lombok.Setter;
+
+public class HandleCounter<K> {
+ @Getter
+ @Setter
+ private long maxWaitMs;
+
+ @Getter
+ @Setter
+ private int maxRetryCount;
+
+ private Map<K, Integer> mapCounter = new HashMap<>();
+ private Set<K> mapFault = new HashSet<>();
+ private Map<K, Long> mapTimer = new HashMap<>();
+
+ public long getDuration(K id) {
+ mapTimer.putIfAbsent(id, getEpochMilli());
+ return getEpochMilli() - mapTimer.get(id);
+ }
+
+ /**
+ * Reset timer and clear counter and fault by id.
+ *
+ * @param id the id
+ */
+ public void clear(K id) {
+ mapFault.remove(id);
+ mapCounter.put(id, 0);
+ mapTimer.put(id, getEpochMilli());
+ }
+
+ public void setFault(K id) {
+ mapCounter.put(id, 0);
+ mapFault.add(id);
+ }
+
+ /**
+ * Increment RetryCount by id e return true if minor or equal of maxRetryCount.
+ *
+ * @param id the identifier
+ * @return false if count is major of maxRetryCount
+ */
+ public boolean count(K id) {
+ int counter = mapCounter.getOrDefault(id, 0) + 1;
+ if (counter <= maxRetryCount) {
+ mapCounter.put(id, counter);
+ return true;
+ }
+ return false;
+ }
+
+ public boolean isFault(K id) {
+ return mapFault.contains(id);
+ }
+
+ public int getCounter(K id) {
+ return mapCounter.getOrDefault(id, 0);
+ }
+
+ protected long getEpochMilli() {
+ return Instant.now().toEpochMilli();
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspect.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspect.java
index 293b5d5da..d0d18ab1a 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspect.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspect.java
@@ -28,6 +28,8 @@ import java.util.concurrent.TimeUnit;
import lombok.RequiredArgsConstructor;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantStatus;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.annotation.Scheduled;
@@ -64,6 +66,11 @@ public class SupervisionAspect implements Closeable {
}
}
+ @Before("@annotation(MessageIntercept) && args(participantStatusMessage,..)")
+ public void handleParticipantStatus(ParticipantStatus participantStatusMessage) {
+ executor.execute(() -> supervisionScanner.handleParticipantStatus(participantStatusMessage.getParticipantId()));
+ }
+
@Override
public void close() throws IOException {
executor.shutdown();
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java
index b360f6703..7be407c3f 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java
@@ -20,19 +20,18 @@
package org.onap.policy.clamp.controlloop.runtime.supervision;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import lombok.Getter;
-import lombok.Setter;
+import java.util.List;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoop;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopState;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.Participant;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantHealthStatus;
import org.onap.policy.clamp.controlloop.models.controlloop.persistence.provider.ControlLoopProvider;
+import org.onap.policy.clamp.controlloop.models.controlloop.persistence.provider.ParticipantProvider;
import org.onap.policy.clamp.controlloop.runtime.main.parameters.ClRuntimeParameterGroup;
import org.onap.policy.clamp.controlloop.runtime.supervision.comm.ControlLoopStateChangePublisher;
import org.onap.policy.clamp.controlloop.runtime.supervision.comm.ControlLoopUpdatePublisher;
+import org.onap.policy.clamp.controlloop.runtime.supervision.comm.ParticipantStatusReqPublisher;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
import org.slf4j.Logger;
@@ -46,67 +45,49 @@ import org.springframework.stereotype.Component;
public class SupervisionScanner {
private static final Logger LOGGER = LoggerFactory.getLogger(SupervisionScanner.class);
- @Getter
- @Setter
- static class HandleCounter {
- private int maxRetryCount;
- private long maxWaitMs;
- private Map<ToscaConceptIdentifier, Integer> mapCounter = new HashMap<>();
- private Set<ToscaConceptIdentifier> mapFault = new HashSet<>();
-
- public void clear(ToscaConceptIdentifier id) {
- mapCounter.put(id, 0);
- mapFault.remove(id);
- }
-
- public void setFault(ToscaConceptIdentifier id) {
- mapCounter.put(id, 0);
- mapFault.add(id);
- }
-
- public boolean count(ToscaConceptIdentifier id) {
- int counter = mapCounter.getOrDefault(id, 0) + 1;
- if (counter <= maxRetryCount) {
- mapCounter.put(id, counter);
- return true;
- }
- return false;
- }
-
- public boolean isFault(ToscaConceptIdentifier id) {
- return mapFault.contains(id);
- }
-
- public int getCounter(ToscaConceptIdentifier id) {
- return mapCounter.getOrDefault(id, 0);
- }
- }
-
- private HandleCounter stateChange = new HandleCounter();
+ private HandleCounter<ToscaConceptIdentifier> controlLoopCounter = new HandleCounter<>();
+ private HandleCounter<ToscaConceptIdentifier> participantCounter = new HandleCounter<>();
private final ControlLoopProvider controlLoopProvider;
private final ControlLoopStateChangePublisher controlLoopStateChangePublisher;
private final ControlLoopUpdatePublisher controlLoopUpdatePublisher;
+ private final ParticipantProvider participantProvider;
+ private final ParticipantStatusReqPublisher participantStatusReqPublisher;
+
+ private final long maxMessageAgeMs;
/**
* Constructor for instantiating SupervisionScanner.
*
* @param controlLoopProvider the provider to use to read control loops from the database
- * @param controlLoopStateChangePublisher the ControlLoopStateChange Publisher
+ * @param controlLoopStateChangePublisher the ControlLoop StateChange Publisher
+ * @param controlLoopUpdatePublisher the ControlLoopUpdate Publisher
+ * @param participantProvider the Participant Provider
+ * @param participantStatusReqPublisher the Participant StatusReq Publisher
* @param clRuntimeParameterGroup the parameters for the control loop runtime
*/
public SupervisionScanner(final ControlLoopProvider controlLoopProvider,
final ControlLoopStateChangePublisher controlLoopStateChangePublisher,
- ControlLoopUpdatePublisher controlLoopUpdatePublisher,
+ ControlLoopUpdatePublisher controlLoopUpdatePublisher, ParticipantProvider participantProvider,
+ ParticipantStatusReqPublisher participantStatusReqPublisher,
final ClRuntimeParameterGroup clRuntimeParameterGroup) {
this.controlLoopProvider = controlLoopProvider;
this.controlLoopStateChangePublisher = controlLoopStateChangePublisher;
this.controlLoopUpdatePublisher = controlLoopUpdatePublisher;
+ this.participantProvider = participantProvider;
+ this.participantStatusReqPublisher = participantStatusReqPublisher;
+
+ controlLoopCounter.setMaxRetryCount(
+ clRuntimeParameterGroup.getParticipantParameters().getUpdateParameters().getMaxRetryCount());
+ controlLoopCounter
+ .setMaxWaitMs(clRuntimeParameterGroup.getParticipantParameters().getUpdateParameters().getMaxWaitMs());
- stateChange.setMaxRetryCount(
+ participantCounter.setMaxRetryCount(
clRuntimeParameterGroup.getParticipantParameters().getUpdateParameters().getMaxRetryCount());
- stateChange.setMaxWaitMs(
- clRuntimeParameterGroup.getParticipantParameters().getUpdateParameters().getMaxWaitMs());
+ participantCounter
+ .setMaxWaitMs(clRuntimeParameterGroup.getParticipantParameters().getUpdateParameters().getMaxWaitMs());
+
+ maxMessageAgeMs = clRuntimeParameterGroup.getParticipantParameters().getMaxMessageAgeMs();
}
/**
@@ -117,6 +98,17 @@ public class SupervisionScanner {
public void run(boolean counterCheck) {
LOGGER.debug("Scanning control loops in the database . . .");
+ if (counterCheck) {
+ try {
+ for (Participant participant : participantProvider.getParticipants(null, null)) {
+ scanParticipant(participant);
+ }
+ } catch (PfModelException pfme) {
+ LOGGER.warn("error reading participant from database", pfme);
+ return;
+ }
+ }
+
try {
for (ControlLoop controlLoop : controlLoopProvider.getControlLoops(null, null)) {
scanControlLoop(controlLoop, counterCheck);
@@ -128,6 +120,33 @@ public class SupervisionScanner {
LOGGER.debug("Control loop scan complete . . .");
}
+ private void scanParticipant(Participant participant) throws PfModelException {
+ ToscaConceptIdentifier id = participant.getKey().asIdentifier();
+ if (participantCounter.isFault(id)) {
+ LOGGER.debug("report Participant fault");
+ return;
+ }
+ if (participantCounter.getDuration(id) > maxMessageAgeMs) {
+ if (participantCounter.count(id)) {
+ LOGGER.debug("retry message ParticipantStatusReq");
+ participantStatusReqPublisher.send(id);
+ participant.setHealthStatus(ParticipantHealthStatus.NOT_HEALTHY);
+ } else {
+ LOGGER.debug("report Participant fault");
+ participantCounter.setFault(id);
+ participant.setHealthStatus(ParticipantHealthStatus.OFF_LINE);
+ }
+ participantProvider.updateParticipants(List.of(participant));
+ }
+ }
+
+ /**
+ * handle participant Status message.
+ */
+ public void handleParticipantStatus(ToscaConceptIdentifier id) {
+ participantCounter.clear(id);
+ }
+
private void scanControlLoop(final ControlLoop controlLoop, boolean counterCheck) throws PfModelException {
LOGGER.debug("scanning control loop {} . . .", controlLoop.getKey().asIdentifier());
@@ -166,17 +185,17 @@ public class SupervisionScanner {
}
private void clearFaultAndCounter(ControlLoop controlLoop) {
- stateChange.clear(controlLoop.getKey().asIdentifier());
+ controlLoopCounter.clear(controlLoop.getKey().asIdentifier());
}
private void handleCounter(ControlLoop controlLoop) {
ToscaConceptIdentifier id = controlLoop.getKey().asIdentifier();
- if (stateChange.isFault(id)) {
+ if (controlLoopCounter.isFault(id)) {
LOGGER.debug("report ControlLoop fault");
return;
}
- if (stateChange.count(id)) {
+ if (controlLoopCounter.count(id)) {
if (ControlLoopState.UNINITIALISED2PASSIVE.equals(controlLoop.getState())) {
LOGGER.debug("retry message ControlLoopUpdate");
controlLoopUpdatePublisher.send(controlLoop);
@@ -186,7 +205,7 @@ public class SupervisionScanner {
}
} else {
LOGGER.debug("report ControlLoop fault");
- stateChange.setFault(id);
+ controlLoopCounter.setFault(id);
}
}
}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ParticipantStatusReqPublisher.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ParticipantStatusReqPublisher.java
new file mode 100644
index 000000000..69d598285
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/ParticipantStatusReqPublisher.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.supervision.comm;
+
+import java.time.Instant;
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantStatusReq;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ParticipantStatusReqPublisher extends AbstractParticipantPublisher<ParticipantStatusReq> {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(ParticipantStatusReqPublisher.class);
+
+ /**
+ * Send ParticipantStatusReq to Participant.
+ *
+ * @param participantId the participant Id
+ */
+ public void send(ToscaConceptIdentifier participantId) {
+ ParticipantStatusReq message = new ParticipantStatusReq();
+ message.setParticipantId(participantId);
+ message.setTimestamp(Instant.now());
+
+ LOGGER.debug("Participant StatusReq sent {}", message);
+ super.send(message);
+ }
+}
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/HandleCounterTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/HandleCounterTest.java
new file mode 100644
index 000000000..51f3b4a32
--- /dev/null
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/HandleCounterTest.java
@@ -0,0 +1,84 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.supervision;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+class HandleCounterTest {
+
+ private static final int ID = 1;
+
+ @Test
+ void testCount() {
+ var handleCounter = new HandleCounter<Integer>();
+ handleCounter.setMaxRetryCount(2);
+ assertThat(handleCounter.count(ID)).isTrue();
+ assertThat(handleCounter.getCounter(ID)).isEqualTo(1);
+ assertThat(handleCounter.count(ID)).isTrue();
+ assertThat(handleCounter.getCounter(ID)).isEqualTo(2);
+ assertThat(handleCounter.count(ID)).isFalse();
+ assertThat(handleCounter.getCounter(ID)).isEqualTo(2);
+
+ handleCounter.clear(ID);
+ assertThat(handleCounter.count(ID)).isTrue();
+ assertThat(handleCounter.getCounter(ID)).isEqualTo(1);
+ }
+
+ @Test
+ void testFault() {
+ var handleCounter = new HandleCounter<Integer>();
+ handleCounter.setFault(ID);
+ assertThat(handleCounter.isFault(ID)).isTrue();
+ handleCounter.clear(ID);
+ assertThat(handleCounter.isFault(ID)).isFalse();
+ }
+
+ @Test
+ void testDuration() throws InterruptedException {
+
+ var handleCounter = new HandleCounter<Integer>() {
+ long epochMilli = 0;
+
+ @Override
+ protected long getEpochMilli() {
+ return epochMilli;
+ }
+ };
+ handleCounter.epochMilli = 100;
+ var result = handleCounter.getDuration(ID);
+ assertThat(result).isZero();
+
+ handleCounter.epochMilli += 100;
+ result = handleCounter.getDuration(ID);
+ assertThat(result).isEqualTo(100);
+
+ handleCounter.epochMilli += 100;
+ result = handleCounter.getDuration(ID);
+ assertThat(result).isEqualTo(200);
+
+ handleCounter.epochMilli += 100;
+ handleCounter.clear(ID);
+ result = handleCounter.getDuration(ID);
+ assertThat(result).isZero();
+ }
+}
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspectTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspectTest.java
new file mode 100644
index 000000000..30ee9b1b9
--- /dev/null
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionAspectTest.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.supervision;
+
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.verify;
+
+import org.junit.jupiter.api.Test;
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantStatus;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
+
+class SupervisionAspectTest {
+
+ @Test
+ void testSchedule() throws Exception {
+ var supervisionScanner = spy(mock(SupervisionScanner.class));
+ try (var supervisionAspect = new SupervisionAspect(supervisionScanner)) {
+ supervisionAspect.schedule();
+ verify(supervisionScanner, timeout(500)).run(eq(true));
+ }
+ }
+
+ @Test
+ void testDoCheck() throws Exception {
+ var supervisionScanner = spy(mock(SupervisionScanner.class));
+ try (var supervisionAspect = new SupervisionAspect(supervisionScanner)) {
+ supervisionAspect.doCheck();
+ supervisionAspect.doCheck();
+ verify(supervisionScanner, timeout(500).times(2)).run(eq(false));
+ }
+ }
+
+ @Test
+ void testHandleParticipantStatus() throws Exception {
+ var supervisionScanner = spy(mock(SupervisionScanner.class));
+ var participantStatusMessage = new ParticipantStatus();
+ var identifier = new ToscaConceptIdentifier("abc", "1.0.0");
+ participantStatusMessage.setParticipantId(identifier);
+
+ try (var supervisionAspect = new SupervisionAspect(supervisionScanner)) {
+ supervisionAspect.handleParticipantStatus(participantStatusMessage);
+ verify(supervisionScanner, timeout(500)).handleParticipantStatus(eq(identifier));
+ }
+ }
+}
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScannerTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScannerTest.java
new file mode 100644
index 000000000..485f58dba
--- /dev/null
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScannerTest.java
@@ -0,0 +1,160 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.supervision;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import org.junit.jupiter.api.Test;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoop;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopOrderedState;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopState;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.Participant;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantHealthStatus;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantState;
+import org.onap.policy.clamp.controlloop.models.controlloop.persistence.provider.ControlLoopProvider;
+import org.onap.policy.clamp.controlloop.models.controlloop.persistence.provider.ParticipantProvider;
+import org.onap.policy.clamp.controlloop.runtime.supervision.comm.ControlLoopStateChangePublisher;
+import org.onap.policy.clamp.controlloop.runtime.supervision.comm.ControlLoopUpdatePublisher;
+import org.onap.policy.clamp.controlloop.runtime.supervision.comm.ParticipantStatusReqPublisher;
+import org.onap.policy.clamp.controlloop.runtime.util.CommonTestData;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
+
+class SupervisionScannerTest {
+
+ @Test
+ void testScannerOrderedStateEqualsToState() throws PfModelException {
+ var controlLoopProvider = mock(ControlLoopProvider.class);
+ var controlLoopStateChangePublisher = mock(ControlLoopStateChangePublisher.class);
+ var controlLoopUpdatePublisher = mock(ControlLoopUpdatePublisher.class);
+ var participantProvider = mock(ParticipantProvider.class);
+ var participantStatusReqPublisher = mock(ParticipantStatusReqPublisher.class);
+ var clRuntimeParameterGroup = CommonTestData.geParameterGroup("dbScanner");
+
+ var controlLoop = new ControlLoop();
+ when(controlLoopProvider.getControlLoops(null, null)).thenReturn(List.of(controlLoop));
+
+ var supervisionScanner =
+ new SupervisionScanner(controlLoopProvider, controlLoopStateChangePublisher, controlLoopUpdatePublisher,
+ participantProvider, participantStatusReqPublisher, clRuntimeParameterGroup);
+ supervisionScanner.run(false);
+
+ verify(controlLoopProvider, times(0)).updateControlLoop(any(ControlLoop.class));
+ }
+
+ @Test
+ void testScannerOrderedStateDifferentToState() throws PfModelException {
+ var controlLoop = new ControlLoop();
+ controlLoop.setState(ControlLoopState.UNINITIALISED2PASSIVE);
+ controlLoop.setOrderedState(ControlLoopOrderedState.UNINITIALISED);
+ controlLoop.setElements(Map.of(UUID.randomUUID(), new ControlLoopElement()));
+ var controlLoopProvider = mock(ControlLoopProvider.class);
+ when(controlLoopProvider.getControlLoops(null, null)).thenReturn(List.of(controlLoop));
+
+ var controlLoopUpdatePublisher = mock(ControlLoopUpdatePublisher.class);
+ var controlLoopStateChangePublisher = mock(ControlLoopStateChangePublisher.class);
+ var participantProvider = mock(ParticipantProvider.class);
+ var participantStatusReqPublisher = mock(ParticipantStatusReqPublisher.class);
+ var clRuntimeParameterGroup = CommonTestData.geParameterGroup("dbScanner");
+
+ var supervisionScanner =
+ new SupervisionScanner(controlLoopProvider, controlLoopStateChangePublisher, controlLoopUpdatePublisher,
+ participantProvider, participantStatusReqPublisher, clRuntimeParameterGroup);
+ supervisionScanner.run(false);
+
+ verify(controlLoopProvider, times(1)).updateControlLoop(any(ControlLoop.class));
+ }
+
+ @Test
+ void testScanner() throws PfModelException {
+ var controlLoopProvider = mock(ControlLoopProvider.class);
+ var controlLoop = new ControlLoop();
+ when(controlLoopProvider.getControlLoops(null, null)).thenReturn(List.of(controlLoop));
+
+ var participantProvider = mock(ParticipantProvider.class);
+ var participant = new Participant();
+ participant.setName("Participant0");
+ participant.setVersion("1.0.0");
+ when(participantProvider.getParticipants(null, null)).thenReturn(List.of(participant));
+
+ var controlLoopUpdatePublisher = mock(ControlLoopUpdatePublisher.class);
+ var participantStatusReqPublisher = mock(ParticipantStatusReqPublisher.class);
+ var controlLoopStateChangePublisher = mock(ControlLoopStateChangePublisher.class);
+ var clRuntimeParameterGroup = CommonTestData.geParameterGroup("dbScanner");
+
+ var supervisionScanner =
+ new SupervisionScanner(controlLoopProvider, controlLoopStateChangePublisher, controlLoopUpdatePublisher,
+ participantProvider, participantStatusReqPublisher, clRuntimeParameterGroup);
+
+ supervisionScanner.handleParticipantStatus(participant.getKey().asIdentifier());
+ supervisionScanner.run(true);
+ verify(controlLoopProvider, times(0)).updateControlLoop(any(ControlLoop.class));
+ verify(participantStatusReqPublisher, times(0)).send(any(ToscaConceptIdentifier.class));
+ }
+
+ @Test
+ void testScanParticipant() throws PfModelException {
+ var controlLoopProvider = mock(ControlLoopProvider.class);
+ var controlLoop = new ControlLoop();
+ when(controlLoopProvider.getControlLoops(null, null)).thenReturn(List.of(controlLoop));
+
+ var clRuntimeParameterGroup = CommonTestData.geParameterGroup("dbScanParticipant");
+ clRuntimeParameterGroup.getParticipantParameters().setMaxMessageAgeMs(0);
+
+ var participant = new Participant();
+ participant.setName("Participant0");
+ participant.setVersion("1.0.0");
+ participant.setHealthStatus(ParticipantHealthStatus.HEALTHY);
+ participant.setParticipantState(ParticipantState.ACTIVE);
+ participant.setDefinition(new ToscaConceptIdentifier("unknown", "0.0.0"));
+ var participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
+ participantProvider.updateParticipants(List.of(participant));
+
+ var controlLoopUpdatePublisher = mock(ControlLoopUpdatePublisher.class);
+ var participantStatusReqPublisher = mock(ParticipantStatusReqPublisher.class);
+ var controlLoopStateChangePublisher = mock(ControlLoopStateChangePublisher.class);
+
+ var supervisionScanner =
+ new SupervisionScanner(controlLoopProvider, controlLoopStateChangePublisher, controlLoopUpdatePublisher,
+ participantProvider, participantStatusReqPublisher, clRuntimeParameterGroup);
+
+ supervisionScanner.handleParticipantStatus(participant.getKey().asIdentifier());
+ supervisionScanner.run(true);
+ verify(participantStatusReqPublisher, times(1)).send(any(ToscaConceptIdentifier.class));
+
+ List<Participant> participants = participantProvider.getParticipants(null, null);
+ assertThat(participants.get(0).getHealthStatus()).isEqualTo(ParticipantHealthStatus.NOT_HEALTHY);
+
+ supervisionScanner.run(true);
+ supervisionScanner.run(true);
+ participants = participantProvider.getParticipants(null, null);
+ assertThat(participants.get(0).getHealthStatus()).isEqualTo(ParticipantHealthStatus.OFF_LINE);
+ }
+}