HADOOP-15698. KMS log4j is not initialized properly at startup. Contributed by Kitti Nanasi.

This commit is contained in:
Kitti Nanasi 2018-08-29 22:06:36 -07:00 committed by Xiao Chen
parent 582cb10ec7
commit 781437c219
3 changed files with 33 additions and 37 deletions

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@ -20,6 +20,7 @@ package org.apache.hadoop.crypto.key.kms.server;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.log4j.PropertyConfigurator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -103,6 +104,8 @@ public class KMSConfiguration {
public static final boolean KEY_AUTHORIZATION_ENABLE_DEFAULT = true;
private static final String LOG4J_PROPERTIES = "kms-log4j.properties";
static {
Configuration.addDefaultResource(KMS_DEFAULT_XML);
Configuration.addDefaultResource(KMS_SITE_XML);
@ -159,4 +162,32 @@ public class KMSConfiguration {
}
return newer;
}
public static void initLogging() {
String confDir = System.getProperty(KMS_CONFIG_DIR);
if (confDir == null) {
throw new RuntimeException("System property '" +
KMSConfiguration.KMS_CONFIG_DIR + "' not defined");
}
if (System.getProperty("log4j.configuration") == null) {
System.setProperty("log4j.defaultInitOverride", "true");
boolean fromClasspath = true;
File log4jConf = new File(confDir, LOG4J_PROPERTIES).getAbsoluteFile();
if (log4jConf.exists()) {
PropertyConfigurator.configureAndWatch(log4jConf.getPath(), 1000);
fromClasspath = false;
} else {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
URL log4jUrl = cl.getResource(LOG4J_PROPERTIES);
if (log4jUrl != null) {
PropertyConfigurator.configure(log4jUrl);
}
}
LOG.debug("KMS log starting");
if (fromClasspath) {
LOG.warn("Log4j configuration file '{}' not found", LOG4J_PROPERTIES);
LOG.warn("Logging with INFO level to standard output");
}
}
}
}

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@ -17,10 +17,8 @@
*/
package org.apache.hadoop.crypto.key.kms.server;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URL;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
@ -37,14 +35,13 @@ import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension;
import org.apache.hadoop.crypto.key.KeyProviderFactory;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.VersionInfo;
import org.apache.log4j.PropertyConfigurator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@InterfaceAudience.Private
public class KMSWebApp implements ServletContextListener {
private static final String LOG4J_PROPERTIES = "kms-log4j.properties";
private static final Logger LOG = LoggerFactory.getLogger(KMSWebApp.class);
private static final String METRICS_PREFIX = "hadoop.kms.";
private static final String ADMIN_CALLS_METER = METRICS_PREFIX +
@ -66,7 +63,6 @@ public class KMSWebApp implements ServletContextListener {
private static final String REENCRYPT_EEK_BATCH_METER = METRICS_PREFIX +
"reencrypt_eek_batch.calls.meter";
private static Logger LOG;
private static MetricRegistry metricRegistry;
private JmxReporter jmxReporter;
@ -84,42 +80,10 @@ public class KMSWebApp implements ServletContextListener {
private static KMSAudit kmsAudit;
private static KeyProviderCryptoExtension keyProviderCryptoExtension;
private void initLogging(String confDir) {
if (System.getProperty("log4j.configuration") == null) {
System.setProperty("log4j.defaultInitOverride", "true");
boolean fromClasspath = true;
File log4jConf = new File(confDir, LOG4J_PROPERTIES).getAbsoluteFile();
if (log4jConf.exists()) {
PropertyConfigurator.configureAndWatch(log4jConf.getPath(), 1000);
fromClasspath = false;
} else {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
URL log4jUrl = cl.getResource(LOG4J_PROPERTIES);
if (log4jUrl != null) {
PropertyConfigurator.configure(log4jUrl);
}
}
LOG = LoggerFactory.getLogger(KMSWebApp.class);
LOG.debug("KMS log starting");
if (fromClasspath) {
LOG.warn("Log4j configuration file '{}' not found", LOG4J_PROPERTIES);
LOG.warn("Logging with INFO level to standard output");
}
} else {
LOG = LoggerFactory.getLogger(KMSWebApp.class);
}
}
@Override
public void contextInitialized(ServletContextEvent sce) {
try {
String confDir = System.getProperty(KMSConfiguration.KMS_CONFIG_DIR);
if (confDir == null) {
throw new RuntimeException("System property '" +
KMSConfiguration.KMS_CONFIG_DIR + "' not defined");
}
kmsConf = KMSConfiguration.getKMSConf();
initLogging(confDir);
UserGroupInformation.setConfiguration(kmsConf);
LOG.info("-------------------------------------------------------------");
LOG.info(" Java runtime version : {}", System.getProperty(

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@ -166,6 +166,7 @@ public class KMSWebServer {
}
public static void main(String[] args) throws Exception {
KMSConfiguration.initLogging();
StringUtils.startupShutdownMessage(KMSWebServer.class, args, LOG);
Configuration conf = new ConfigurationWithLogging(
KMSConfiguration.getKMSConf());