diff options
Diffstat (limited to 'utils/src/main/java/org/onap/policy/common/utils/logging/LoggerUtils.java')
-rw-r--r-- | utils/src/main/java/org/onap/policy/common/utils/logging/LoggerUtils.java | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/utils/src/main/java/org/onap/policy/common/utils/logging/LoggerUtils.java b/utils/src/main/java/org/onap/policy/common/utils/logging/LoggerUtils.java new file mode 100644 index 00000000..89575eb2 --- /dev/null +++ b/utils/src/main/java/org/onap/policy/common/utils/logging/LoggerUtils.java @@ -0,0 +1,105 @@ +/*- + * ============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.utils.logging; + +import ch.qos.logback.classic.LoggerContext; +import lombok.AccessLevel; +import lombok.NoArgsConstructor; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.slf4j.Marker; +import org.slf4j.MarkerFactory; + +@NoArgsConstructor(access = AccessLevel.PRIVATE) +public final 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); + + + /** + * 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(); + } +} |