From 04aa1493214af37c1a50c6d83bd7f32d7708487d Mon Sep 17 00:00:00 2001 From: Taka Cho Date: Mon, 2 Aug 2021 12:06:08 -0400 Subject: refactor slf4j Marker to common repo slf4j Marker logger is using in drools-pdp and clamp. was suggested to move to common repo to reduce duplicated codes. And possibly other repo would be used also. Issue-ID: POLICY-3087 Change-Id: If14b89c18e28f517f83a2b9a8dcce201333a919e Signed-off-by: Taka Cho --- .../policy/common/logging/LoggerMarkerFilter.java | 97 ++++++++++++++++ .../onap/policy/common/logging/LoggerUtils.java | 128 +++++++++++++++++++++ .../policy/common/logging/LoggerUtilsTest.java | 61 ++++++++++ 3 files changed, 286 insertions(+) create mode 100644 common-logging/src/main/java/org/onap/policy/common/logging/LoggerMarkerFilter.java create mode 100644 common-logging/src/main/java/org/onap/policy/common/logging/LoggerUtils.java create mode 100644 common-logging/src/test/java/org/onap/policy/common/logging/LoggerUtilsTest.java diff --git a/common-logging/src/main/java/org/onap/policy/common/logging/LoggerMarkerFilter.java b/common-logging/src/main/java/org/onap/policy/common/logging/LoggerMarkerFilter.java new file mode 100644 index 00000000..7fc4ddca --- /dev/null +++ b/common-logging/src/main/java/org/onap/policy/common/logging/LoggerMarkerFilter.java @@ -0,0 +1,97 @@ +/*- + * ============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 { + + 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); + } + } + +} diff --git a/common-logging/src/main/java/org/onap/policy/common/logging/LoggerUtils.java b/common-logging/src/main/java/org/onap/policy/common/logging/LoggerUtils.java new file mode 100644 index 00000000..298bd531 --- /dev/null +++ b/common-logging/src/main/java/org/onap/policy/common/logging/LoggerUtils.java @@ -0,0 +1,128 @@ +/*- + * ============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 argument (and return) type + * @return input arg + */ + private static T checkNotNull(final T in) { + if (in == null) { + throw new NullPointerException(); + } + return in; + } +} diff --git a/common-logging/src/test/java/org/onap/policy/common/logging/LoggerUtilsTest.java b/common-logging/src/test/java/org/onap/policy/common/logging/LoggerUtilsTest.java new file mode 100644 index 00000000..84e63b64 --- /dev/null +++ b/common-logging/src/test/java/org/onap/policy/common/logging/LoggerUtilsTest.java @@ -0,0 +1,61 @@ +/*- +* ============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()); + } +} -- cgit 1.2.3-korg