Merge pull request for #32734 from rgoers

Closes gh-32734
pull/32740/head
Phillip Webb 2 years ago
commit 01003b99db

@ -0,0 +1,108 @@
/*
* Copyright 2012-2022 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.boot.logging.log4j2;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.Node;
import org.apache.logging.log4j.core.config.arbiters.Arbiter;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute;
import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;
import org.apache.logging.log4j.core.config.plugins.PluginConfiguration;
import org.apache.logging.log4j.core.config.plugins.PluginLoggerContext;
import org.apache.logging.log4j.status.StatusLogger;
import org.springframework.core.env.Environment;
import org.springframework.core.env.Profiles;
import org.springframework.util.StringUtils;
/**
* An Arbiter that uses the active Spring profile to determine if configuration should be
* included.
*
* @author Ralph Goers
*/
@Plugin(name = "SpringProfile", category = Node.CATEGORY, elementType = Arbiter.ELEMENT_TYPE, deferChildren = true,
printObject = true)
final class SpringProfileArbiter implements Arbiter {
private final Environment environment;
private final Profiles profiles;
private SpringProfileArbiter(Environment environment, String[] profiles) {
this.environment = environment;
this.profiles = Profiles.of(profiles);
}
@Override
public boolean isCondition() {
return (this.environment != null) ? this.environment.acceptsProfiles(this.profiles) : false;
}
@PluginBuilderFactory
static Builder newBuilder() {
return new Builder();
}
/**
* Standard Builder to create the Arbiter.
*/
public static final class Builder implements org.apache.logging.log4j.core.util.Builder<SpringProfileArbiter> {
private static final Logger statusLogger = StatusLogger.getLogger();
@PluginBuilderAttribute
private String name;
@PluginConfiguration
private Configuration configuration;
@PluginLoggerContext
private LoggerContext loggerContext;
private Builder() {
}
/**
* Sets the profile name or expression.
* @param name the profile name or expression
* @return this
* @see Profiles#of(String...)
*/
public Builder setName(String name) {
this.name = name;
return this;
}
@Override
public SpringProfileArbiter build() {
Environment environment = Log4J2LoggingSystem.getEnvironment(this.loggerContext);
if (environment == null) {
statusLogger.warn("Cannot create Arbiter, no Spring Environment available");
return null;
}
String name = this.configuration.getStrSubstitutor().replace(this.name);
String[] profiles = StringUtils.trimArrayElements(StringUtils.commaDelimitedListToStringArray(name));
return new SpringProfileArbiter(environment, profiles);
}
}
}

@ -19,8 +19,6 @@ package org.springframework.boot.logging.log4j2;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumSet;
import java.util.LinkedHashMap;
import java.util.List;
@ -480,29 +478,6 @@ class Log4J2LoggingSystemTests extends AbstractLoggingSystemTests {
return defaultPath;
}
static class TestLog4J2LoggingSystem extends Log4J2LoggingSystem {
private List<String> availableClasses = new ArrayList<>();
TestLog4J2LoggingSystem() {
super(TestLog4J2LoggingSystem.class.getClassLoader());
}
Configuration getConfiguration() {
return ((org.apache.logging.log4j.core.LoggerContext) LogManager.getContext(false)).getConfiguration();
}
@Override
protected boolean isClassAvailable(String className) {
return this.availableClasses.contains(className);
}
private void availableClasses(String... classNames) {
Collections.addAll(this.availableClasses, classNames);
}
}
/**
* Used for testing that loggers in nested classes are returned by
* {@link Log4J2LoggingSystem#getLoggerConfigurations()} .

@ -0,0 +1,162 @@
/*
* Copyright 2012-2022 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.boot.logging.log4j2;
import java.util.Set;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.Reconfigurable;
import org.apache.logging.log4j.util.PropertiesUtil;
import org.apache.logging.log4j.util.PropertySource;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.boot.logging.LoggingInitializationContext;
import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
import org.springframework.boot.testsupport.logging.ConfigureClasspathToPreferLog4j2;
import org.springframework.boot.testsupport.system.CapturedOutput;
import org.springframework.boot.testsupport.system.OutputCaptureExtension;
import org.springframework.mock.env.MockEnvironment;
import org.springframework.test.util.ReflectionTestUtils;
import org.springframework.util.ClassUtils;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link SpringProfileArbiter}.
*
* @author Phillip Webb
*/
@ExtendWith(OutputCaptureExtension.class)
@ClassPathExclusions("logback-*.jar")
@ConfigureClasspathToPreferLog4j2
class SpringProfileArbiterTests {
private CapturedOutput output;
private final TestLog4J2LoggingSystem loggingSystem = new TestLog4J2LoggingSystem();
private final MockEnvironment environment = new MockEnvironment();
private final LoggingInitializationContext initializationContext = new LoggingInitializationContext(
this.environment);
private Logger logger;
private Configuration configuration;
@BeforeEach
void setup(CapturedOutput output) {
this.output = output;
LoggerContext loggerContext = (LoggerContext) LogManager.getContext(false);
this.configuration = loggerContext.getConfiguration();
this.loggingSystem.cleanUp();
this.logger = LogManager.getLogger(getClass());
cleanUpPropertySources();
}
@AfterEach
void cleanUp() {
this.loggingSystem.cleanUp();
LoggerContext loggerContext = (LoggerContext) LogManager.getContext(false);
loggerContext.stop();
loggerContext.start(((Reconfigurable) this.configuration).reconfigure());
cleanUpPropertySources();
}
@SuppressWarnings("unchecked")
private void cleanUpPropertySources() { // https://issues.apache.org/jira/browse/LOG4J2-3618
PropertiesUtil properties = PropertiesUtil.getProperties();
Object environment = ReflectionTestUtils.getField(properties, "environment");
Set<PropertySource> sources = (Set<PropertySource>) ReflectionTestUtils.getField(environment, "sources");
sources.removeIf((candidate) -> candidate instanceof SpringEnvironmentPropertySource
|| candidate instanceof SpringBootPropertySource);
}
@Test
void profileActive() {
this.environment.setActiveProfiles("production");
initialize("production-profile.xml");
this.logger.trace("Hello");
assertThat(this.output).contains("Hello");
}
@Test
void multipleNamesFirstProfileActive() {
this.environment.setActiveProfiles("production");
initialize("multi-profile-names.xml");
this.logger.trace("Hello");
assertThat(this.output).contains("Hello");
}
@Test
void multipleNamesSecondProfileActive() {
this.environment.setActiveProfiles("test");
initialize("multi-profile-names.xml");
this.logger.trace("Hello");
assertThat(this.output).contains("Hello");
}
@Test
void profileNotActive() {
initialize("production-profile.xml");
this.logger.trace("Hello");
assertThat(this.output).doesNotContain("Hello");
}
@Test
void profileExpressionMatchFirst() {
this.environment.setActiveProfiles("production");
initialize("profile-expression.xml");
this.logger.trace("Hello");
assertThat(this.output).contains("Hello");
}
@Test
void profileExpressionMatchSecond() {
this.environment.setActiveProfiles("test");
initialize("profile-expression.xml");
this.logger.trace("Hello");
assertThat(this.output).contains("Hello");
}
@Test
void profileExpressionNoMatch() {
this.environment.setActiveProfiles("development");
initialize("profile-expression.xml");
this.logger.trace("Hello");
assertThat(this.output).doesNotContain("Hello");
}
private void initialize(String config) {
this.environment.setProperty("logging.log4j2.config.override", getPackageResource(config));
this.loggingSystem.initialize(this.initializationContext, null, null);
}
private String getPackageResource(String fileName) {
String path = ClassUtils.getPackageName(getClass());
path = path.replace('.', '/');
path = path + "/" + fileName;
return "src/test/resources/" + path;
}
}

@ -0,0 +1,47 @@
/*
* Copyright 2012-2022 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.boot.logging.log4j2;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.core.config.Configuration;
class TestLog4J2LoggingSystem extends Log4J2LoggingSystem {
private List<String> availableClasses = new ArrayList<>();
TestLog4J2LoggingSystem() {
super(TestLog4J2LoggingSystem.class.getClassLoader());
}
Configuration getConfiguration() {
return ((org.apache.logging.log4j.core.LoggerContext) LogManager.getContext(false)).getConfiguration();
}
@Override
protected boolean isClassAvailable(String className) {
return this.availableClasses.contains(className);
}
void availableClasses(String... classNames) {
Collections.addAll(this.availableClasses, classNames);
}
}

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<SpringProfile name="production, test">
<Loggers>
<Logger name="org.springframework.boot.logging.log4j2" level="TRACE" />
</Loggers>
</SpringProfile>
</Configuration>

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<SpringProfile name="production">
<Loggers>
<Logger name="org.springframework.boot.logging.log4j2" level="TRACE" />
</Loggers>
</SpringProfile>
</Configuration>

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<SpringProfile name="production | test">
<Loggers>
<Logger name="org.springframework.boot.logging.log4j2" level="TRACE" />
</Loggers>
</SpringProfile>
</Configuration>
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