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-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStats.java121
-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStatsManager.java52
-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java34
-rw-r--r--policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngineManager.java39
4 files changed, 233 insertions, 13 deletions
diff --git a/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStats.java b/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStats.java
new file mode 100644
index 00000000..d6d8d500
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStats.java
@@ -0,0 +1,121 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2021 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.
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.stats;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.time.Instant;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.NonNull;
+import lombok.ToString;
+import org.onap.policy.drools.metrics.TransMetric;
+import org.slf4j.Logger;
+
+/**
+ * Basic policy execution statistics.
+ */
+
+@Data
+@NoArgsConstructor
+@EqualsAndHashCode
+@ToString
+public class PolicyStats {
+
+ private static final Logger logger = getLogger(PolicyStats.class);
+
+ /**
+ * Number of executed policy transactions.
+ */
+ private long policyExecutedCount;
+
+ /**
+ * Number of successfully executed policy transactions.
+ */
+ private long policyExecutedSuccessCount;
+
+ /**
+ * Number of failed executions of policy transactions.
+ */
+ private long policyExecutedFailCount;
+
+ /**
+ * Last time the policy transaction was executed.
+ */
+ private long lastExecutionTime;
+
+ /**
+ * Average execution time of a policy transaction.
+ */
+ private double averageExecutionTime;
+
+ /**
+ * Total policy execution times.
+ */
+ private double totalElapsedTime;
+
+ /**
+ * Uptime of the entity holding the stats.
+ */
+ private long birthTime = Instant.now().toEpochMilli();
+
+ /**
+ * Time last transaction was started.
+ */
+ private long lastStart;
+
+ /**
+ * add a stat transaction record.
+ */
+ public void stat(@NonNull TransMetric trans) {
+ policyExecutedCount++;
+ if (trans.isSuccess()) {
+ policyExecutedSuccessCount++;
+ } else {
+ policyExecutedFailCount++;
+ }
+
+ // make sure transaction has values that we care about
+
+ if (trans.getStartTime() == null) {
+ logger.warn("policy transaction contains no start time: {}", trans);
+ trans.setStartTime(null);
+ }
+
+ if (trans.getEndTime() == null) {
+ logger.warn("policy transaction contains no end time: {}", trans);
+ trans.setEndTime(null);
+ }
+
+ if (trans.getElapsedTime() == null) {
+ logger.warn("policy transaction contains no elapsed time: {}", trans);
+ trans.setElapsedTime(null);
+ }
+
+ // compute after the preconditions are satisfied
+
+ lastExecutionTime = trans.getEndTime().toEpochMilli();
+ totalElapsedTime += trans.getElapsedTime();
+ averageExecutionTime = totalElapsedTime / policyExecutedCount;
+ lastStart = trans.getStartTime().toEpochMilli();
+ }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStatsManager.java b/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStatsManager.java
new file mode 100644
index 00000000..bb1b2679
--- /dev/null
+++ b/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStatsManager.java
@@ -0,0 +1,52 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2021 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.
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.stats;
+
+import java.util.HashMap;
+import java.util.Map;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.NonNull;
+import lombok.ToString;
+import org.onap.policy.drools.metrics.TransMetric;
+
+/**
+ * Policy Stats Manager that manages PDP-D statistics.
+ */
+
+@NoArgsConstructor
+@Data
+@EqualsAndHashCode
+@ToString
+public class PolicyStatsManager {
+
+ private final PolicyStats groupStat = new PolicyStats();
+ private final Map<String, PolicyStats> subgroupStats = new HashMap<>();
+
+ /**
+ * stat a new transaction.
+ */
+ public synchronized void stat(@NonNull String subGroupName, @NonNull TransMetric transaction) {
+ groupStat.stat(transaction);
+ subgroupStats.computeIfAbsent(subGroupName, key -> new PolicyStats()).stat(transaction);
+ }
+}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
index 685cf235..ef641f31 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngine.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
- * Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2021 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.
@@ -33,9 +33,12 @@ import org.onap.policy.common.endpoints.http.server.HttpServletServer;
import org.onap.policy.drools.core.lock.Lock;
import org.onap.policy.drools.core.lock.LockCallback;
import org.onap.policy.drools.features.PolicyEngineFeatureApi;
+import org.onap.policy.drools.metrics.Metric;
+import org.onap.policy.drools.metrics.TransMetric;
import org.onap.policy.drools.policies.DomainMaker;
import org.onap.policy.drools.protocol.configuration.ControllerConfiguration;
import org.onap.policy.drools.protocol.configuration.PdpdConfiguration;
+import org.onap.policy.drools.stats.PolicyStatsManager;
/**
* Policy Engine, the top abstraction for the Drools PDP Policy Engine. It abstracts away a Drools
@@ -147,7 +150,6 @@ public interface PolicyEngine extends Startable, Lockable, TopicListener {
* @return the updated Policy Controller
* @throws IllegalArgumentException in the configuration is invalid
* @throws IllegalStateException if the controller is in a bad state
- * @throws Exception any other reason
*/
PolicyController updatePolicyController(ControllerConfiguration configuration);
@@ -234,15 +236,21 @@ public interface PolicyEngine extends Startable, Lockable, TopicListener {
*/
List<String> getFeatures();
-
/**
* get domain maker.
*
- * @return the domain maker.
+ * @return the domain maker
*/
DomainMaker getDomainMaker();
/**
+ * get statistics for this PDP.
+ *
+ * @return statistics
+ */
+ PolicyStatsManager getStats();
+
+ /**
* Attempts the dispatching of an "event" object.
*
* @param topic topic
@@ -337,4 +345,22 @@ public interface PolicyEngine extends Startable, Lockable, TopicListener {
* @return policy engine configuration
*/
Properties defaultTelemetryConfig();
+
+ /**
+ * Track a policy execution metric.
+ *
+ * @param controllerName controller name
+ * @param policyName policy name
+ * @param metric metric
+ */
+ void metric(String controllerName, String policyName, Metric metric);
+
+ /**
+ * Track a policy execution transaction.
+ *
+ * @param controllerName controller name
+ * @param policyName policy name
+ * @param transaction transaction
+ */
+ void transaction(String controllerName, String policyName, TransMetric transaction);
}
diff --git a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngineManager.java b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngineManager.java
index 49461210..e20986cb 100644
--- a/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngineManager.java
+++ b/policy-management/src/main/java/org/onap/policy/drools/system/PolicyEngineManager.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
- * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2021 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.
@@ -67,6 +67,8 @@ import org.onap.policy.drools.features.PolicyControllerFeatureApi;
import org.onap.policy.drools.features.PolicyControllerFeatureApiConstants;
import org.onap.policy.drools.features.PolicyEngineFeatureApi;
import org.onap.policy.drools.features.PolicyEngineFeatureApiConstants;
+import org.onap.policy.drools.metrics.Metric;
+import org.onap.policy.drools.metrics.TransMetric;
import org.onap.policy.drools.persistence.SystemPersistence;
import org.onap.policy.drools.persistence.SystemPersistenceConstants;
import org.onap.policy.drools.policies.DomainMaker;
@@ -77,6 +79,7 @@ import org.onap.policy.drools.protocol.configuration.ControllerConfiguration;
import org.onap.policy.drools.protocol.configuration.PdpdConfiguration;
import org.onap.policy.drools.server.restful.RestManager;
import org.onap.policy.drools.server.restful.aaf.AafTelemetryAuthFilter;
+import org.onap.policy.drools.stats.PolicyStatsManager;
import org.onap.policy.drools.system.internal.SimpleLockManager;
import org.onap.policy.drools.utils.PropertyUtil;
import org.onap.policy.drools.utils.logging.LoggerUtil;
@@ -84,7 +87,6 @@ import org.onap.policy.drools.utils.logging.MdcTransaction;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-
/**
* Policy Engine Manager Implementation.
*/
@@ -157,7 +159,10 @@ class PolicyEngineManager implements PolicyEngine {
@Getter(AccessLevel.PROTECTED)
private PolicyResourceLockManager lockManager = null;
- private DomainMaker domainMaker = new DomainMaker();
+ private final DomainMaker domainMaker = new DomainMaker();
+
+ @Getter
+ private final PolicyStatsManager stats = new PolicyStatsManager();
/**
* gson parser to decode configuration requests.
@@ -245,6 +250,21 @@ class PolicyEngineManager implements PolicyEngine {
}
@Override
+ public void metric(String controllerName, String policyName, Metric metric) {
+ // sub-operations are not being tracked
+ }
+
+ @Override
+ public void transaction(@NonNull String controllerName,
+ @NonNull String policyName, @NonNull TransMetric transaction) {
+
+ // will stat on a per policy name that for an admin would
+ // be more significant than a controller name.
+
+ getStats().stat(controllerName + "[" + policyName + "]", transaction);
+ }
+
+ @Override
@GsonJsonIgnore
public ScheduledExecutorService getExecutorService() {
return executorService;
@@ -252,8 +272,9 @@ class PolicyEngineManager implements PolicyEngine {
private ScheduledExecutorService makeExecutorService(Properties properties) {
int nthreads = DEFAULT_EXECUTOR_THREADS;
+
try {
- nthreads = Integer.valueOf(
+ nthreads = Integer.parseInt(
properties.getProperty(EXECUTOR_THREAD_PROP, String.valueOf(DEFAULT_EXECUTOR_THREADS)));
} catch (NumberFormatException e) {
@@ -370,7 +391,7 @@ class PolicyEngineManager implements PolicyEngine {
} else {
final String msg = "Configuration Entity is not supported: " + entity;
mdcTrans.resetSubTransaction().setStatusCode(false).setResponseDescription(msg).flush();
- logger.warn(LoggerUtil.TRANSACTION_LOG_MARKER_NAME, msg);
+ logger.warn(LoggerUtil.TRANSACTION_LOG_MARKER, msg);
throw new IllegalArgumentException(msg);
}
}
@@ -440,7 +461,7 @@ class PolicyEngineManager implements PolicyEngine {
} catch (final Exception e) {
mdcTrans.setStatusCode(false).setResponseCode(e.getClass().getName())
.setResponseDescription(e.getMessage()).flush();
- logger.error(LoggerUtil.TRANSACTION_LOG_MARKER_NAME,
+ logger.error(LoggerUtil.TRANSACTION_LOG_MARKER,
"{}: cannot update-policy-controllers because of {}", this, e.getMessage(), e);
}
}
@@ -679,7 +700,7 @@ class PolicyEngineManager implements PolicyEngine {
}
@FunctionalInterface
- private static interface PredicateWithEx<T> {
+ private interface PredicateWithEx<T> {
boolean test(T value) throws InterruptedException;
}
@@ -961,10 +982,10 @@ class PolicyEngineManager implements PolicyEngine {
this.locked = false;
- boolean success = true;
+ boolean success;
try {
- success = (this.lockManager == null || this.lockManager.unlock()) && success;
+ success = this.lockManager == null || this.lockManager.unlock();
} catch (final RuntimeException e) {
logger.warn("{}: cannot unlock() lock manager because of {}", this, e.getMessage(), e);
success = false;