--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP POLICY
+ * ================================================================================
+ * Copyright (C) 2021 AT&T Intellectual Property. All right 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.common.logging;
+
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.filter.AbstractMatcherFilter;
+import ch.qos.logback.core.spi.FilterReply;
+import org.slf4j.Marker;
+
+public abstract class LoggerMarkerFilter extends AbstractMatcherFilter<ILoggingEvent> {
+
+ protected final Marker marker;
+
+ protected LoggerMarkerFilter(Marker marker) {
+ this.marker = marker;
+ }
+
+ @Override
+ public FilterReply decide(ILoggingEvent event) {
+
+ if (this.marker == null || !isStarted()) {
+ return FilterReply.DENY;
+ }
+
+ if (event == null || event.getMarker() == null) {
+ return FilterReply.DENY;
+ }
+
+ if (event.getMarker().equals(marker)) {
+ return FilterReply.ACCEPT;
+ } else {
+ return FilterReply.DENY;
+ }
+ }
+
+ /**
+ * Metric Logger Marker Filter.
+ */
+ public static class MetricLoggerMarkerFilter extends LoggerMarkerFilter {
+
+ public MetricLoggerMarkerFilter() {
+ super(LoggerUtils.METRIC_LOG_MARKER);
+ }
+
+ }
+
+ /**
+ * Security Logger Marker Filter.
+ */
+ public static class SecurityLoggerMarkerFilter extends LoggerMarkerFilter {
+
+ public SecurityLoggerMarkerFilter() {
+ super(LoggerUtils.SECURITY_LOG_MARKER);
+ }
+ }
+
+ /**
+ * Audit Logger Marker Filter.
+ */
+ public static class AuditLoggerMarkerFilter extends LoggerMarkerFilter {
+
+ public AuditLoggerMarkerFilter() {
+ super(LoggerUtils.AUDIT_LOG_MARKER);
+ }
+ }
+
+ /**
+ * Transaction Logger Marker Filter.
+ */
+ public static class TransactionLoggerMarkerFilter extends LoggerMarkerFilter {
+
+ public TransactionLoggerMarkerFilter() {
+ super(LoggerUtils.TRANSACTION_LOG_MARKER);
+ }
+ }
+
+}
--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP POLICY
+ * ================================================================================
+ * 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.common.logging;
+
+import ch.qos.logback.classic.LoggerContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.slf4j.Marker;
+import org.slf4j.MarkerFactory;
+
+
+public class LoggerUtils {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(LoggerUtils.class);
+
+ /**
+ * ROOT logger.
+ */
+ public static final String ROOT_LOGGER = "ROOT";
+ /**
+ * Metric logger.
+ */
+ public static final String METRIC_LOG_MARKER_NAME = "metric";
+ /**
+ * Audit Log Marker Name.
+ */
+ public static final String AUDIT_LOG_MARKER_NAME = "audit";
+ /**
+ * Security Log Marker Name.
+ */
+ public static final String SECURITY_LOG_MARKER_NAME = "security";
+ /**
+ * Transaction Log Marker Name.
+ */
+ public static final String TRANSACTION_LOG_MARKER_NAME = "transaction";
+ /**
+ * Marks a logging record for metric.
+ */
+ public static final Marker METRIC_LOG_MARKER = MarkerFactory.getMarker(METRIC_LOG_MARKER_NAME);
+ /**
+ * Marks a logging record for security.
+ */
+ public static final Marker SECURITY_LOG_MARKER = MarkerFactory.getMarker(SECURITY_LOG_MARKER_NAME);
+ /**
+ * Marks a logging record for audit.
+ */
+ public static final Marker AUDIT_LOG_MARKER = MarkerFactory.getMarker(AUDIT_LOG_MARKER_NAME);
+ /**
+ * Marks a logging record as an end-to-end transaction.
+ */
+ public static final Marker TRANSACTION_LOG_MARKER = MarkerFactory.getMarker(TRANSACTION_LOG_MARKER_NAME);
+
+ /**
+ * Logger delegate.
+ */
+ private final Logger mlogger;
+
+ /**
+ * Constructor.
+ */
+ public LoggerUtils(final Logger loggerP) {
+ this.mlogger = checkNotNull(loggerP);
+ }
+
+ /**
+ * Set the log level of a logger.
+ *
+ * @param loggerName logger name
+ * @param loggerLevel logger level
+ */
+ public static String setLevel(String loggerName, String loggerLevel) {
+ if (!(LoggerFactory.getILoggerFactory() instanceof LoggerContext)) {
+ throw new IllegalStateException("The SLF4J logger factory is not configured for logback");
+ }
+
+ final LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
+ final var logger = context.getLogger(loggerName);
+ if (logger == null) {
+ throw new IllegalArgumentException("no logger " + loggerName);
+ }
+
+ LOGGER.warn("setting {} logger to level {}", loggerName, loggerLevel);
+
+ // use the current log level if the string provided cannot be converted to a valid Level.
+
+ // NOSONAR: this method is currently used by the telemetry api (which should be authenticated).
+ // It is no more or no less dangerous than an admin changing the logback level on the fly.
+ // This is a controlled admin function that should not cause any risks when the system
+ // is configured properly.
+ logger.setLevel(ch.qos.logback.classic.Level.toLevel(loggerLevel, logger.getLevel())); // NOSONAR
+
+ return logger.getLevel().toString();
+ }
+
+ /**
+ * Dependency-free nullcheck.
+ *
+ * @param in to be checked
+ * @param <T> argument (and return) type
+ * @return input arg
+ */
+ private static <T> T checkNotNull(final T in) {
+ if (in == null) {
+ throw new NullPointerException();
+ }
+ return in;
+ }
+}
--- /dev/null
+/*-
+* ============LICENSE_START=======================================================
+* ONAP Policy
+* ================================================================================
+* 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.common.logging;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@RunWith(MockitoJUnitRunner.class)
+public class LoggerUtilsTest {
+ protected static final Logger logger = LoggerFactory.getLogger(LoggerUtilsTest.class);
+
+ private LoggerUtils util;
+
+ @Before
+ public void setup() {
+ this.util = new LoggerUtils(logger);
+ }
+
+ @Test
+ public void testMarker() {
+ assertTrue(logger.isInfoEnabled());
+ logger.info("line 1");
+ logger.info(LoggerUtils.METRIC_LOG_MARKER, "line 1 Metric");
+ logger.info(LoggerUtils.AUDIT_LOG_MARKER, "line 1 Audit");
+ logger.info(LoggerUtils.SECURITY_LOG_MARKER, "line 1 Security");
+ logger.info(LoggerUtils.TRANSACTION_LOG_MARKER, "line 1 Transaction");
+ LoggerUtils.setLevel(LoggerUtils.ROOT_LOGGER, "debug");
+ logger.debug("line 2");
+ logger.debug(LoggerUtils.METRIC_LOG_MARKER, "line 2 Metric");
+ logger.debug(LoggerUtils.AUDIT_LOG_MARKER, "line 2 Audit");
+ logger.debug(LoggerUtils.SECURITY_LOG_MARKER, "line 2 Security");
+ logger.info(LoggerUtils.TRANSACTION_LOG_MARKER, "line 2 Transaction");
+ assertTrue(logger.isDebugEnabled());
+ }
+}
Code Review / policy / common.git / commitdiff