| #!/usr/bin/env bash |
| |
| # check if net.ipv6.bindv6only is set to 1 |
| bindv6only=$(/sbin/sysctl -n net.ipv6.bindv6only 2> /dev/null) |
| if [ -n "$bindv6only" ] && [ "$bindv6only" -eq "1" ] |
| then |
| echo "Error: \"net.ipv6.bindv6only\" is set to 1 - Java networking could be broken" |
| echo "For more info (the following page also applies to dlog): http://wiki.apache.org/hadoop/HadoopIPv6" |
| exit 1 |
| fi |
| |
| # See the following page for extensive details on setting |
| # up the JVM to accept JMX remote management: |
| # http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html |
| # by default we allow local JMX connections |
| if [ "x$JMXLOCALONLY" = "x" ] |
| then |
| JMXLOCALONLY=false |
| fi |
| |
| if [ "x$JMXDISABLE" = "x" ] |
| then |
| echo "JMX enabled by default" >&2 |
| # for some reason these two options are necessary on jdk6 on Ubuntu |
| # accord to the docs they are not necessary, but otw jconsole cannot |
| # do a local attach |
| JMX_ARGS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.local.only=$JMXLOCALONLY" |
| else |
| echo "JMX disabled by user request" >&2 |
| fi |
| |
| BINDIR=`dirname "$0"` |
| DLOG_HOME=`cd $BINDIR/.. > /dev/null;pwd` |
| |
| DEFAULT_LOG_CONF=$DLOG_HOME/conf/log4j.properties |
| |
| source $DLOG_HOME/conf/dlogenv.sh |
| |
| # exclude tests jar |
| RELEASE_JAR=`ls $DLOG_HOME/distributedlog-*.jar 2> /dev/null | egrep -v 'tests|javadoc|sources' | tail -1` |
| if [ $? == 0 ]; then |
| DLOG_JAR=$RELEASE_JAR |
| fi |
| |
| # exclude tests jar |
| BUILT_JAR=`ls $DLOG_HOME/target/distributedlog-*.jar 2> /dev/null | egrep -v 'tests|javadoc|sources' | tail -1` |
| if [ $? != 0 ] && [ ! -e "$DLOG_JAR" ]; then |
| echo "\nCouldn't find dlog jar."; |
| echo "Make sure you've run 'mvn package'\n"; |
| exit 1; |
| elif [ -e "$BUILT_JAR" ]; then |
| DLOG_JAR=$BUILT_JAR |
| fi |
| |
| dlog_help() { |
| cat <<EOF |
| Usage: dlog <command> |
| where command is one of: |
| local Run distributedlog sandbox |
| example Run distributedlog example |
| tool Run distributedlog tool |
| proxy_tool Run distributedlog proxy tool to interact with proxies |
| balancer Run distributedlog balancer |
| admin Run distributedlog admin tool |
| help This help message |
| |
| or command is the full name of a class with a defined main() method. |
| |
| Environment variables: |
| DLOG_LOG_CONF Log4j configuration file (default $DEFAULT_LOG_CONF) |
| DLOG_EXTRA_OPTS Extra options to be passed to the jvm |
| DLOG_EXTRA_CLASSPATH Add extra paths to the dlog classpath |
| |
| These variable can also be set in conf/dlogenv.sh |
| EOF |
| } |
| |
| add_maven_deps_to_classpath() { |
| MVN="mvn" |
| if [ "$MAVEN_HOME" != "" ]; then |
| MVN=${MAVEN_HOME}/bin/mvn |
| fi |
| |
| # Need to generate classpath from maven pom. This is costly so generate it |
| # and cache it. Save the file into our target dir so a mvn clean will get |
| # clean it up and force us create a new one. |
| f="${DLOG_HOME}/target/cached_classpath.txt" |
| if [ ! -f "${f}" ] |
| then |
| ${MVN} -f "${DLOG_HOME}/pom.xml" dependency:build-classpath -Dmdep.outputFile="${f}" &> /dev/null |
| fi |
| DLOG_CLASSPATH=${CLASSPATH}:`cat "${f}"` |
| } |
| |
| if [ -d "$DLOG_HOME/lib" ]; then |
| for i in $DLOG_HOME/lib/*.jar; do |
| DLOG_CLASSPATH=$DLOG_CLASSPATH:$i |
| done |
| else |
| add_maven_deps_to_classpath |
| fi |
| |
| # if no args specified, show usage |
| if [ $# = 0 ]; then |
| dlog_help; |
| exit 1; |
| fi |
| |
| # get arguments |
| COMMAND=$1 |
| shift |
| |
| if [ -z "$DLOG_LOG_CONF" ]; then |
| DLOG_LOG_CONF=$DEFAULT_LOG_CONF |
| fi |
| |
| DLOG_CLASSPATH="$DLOG_JAR:$DLOG_CLASSPATH:$DLOG_EXTRA_CLASSPATH" |
| if [ "$DLOG_LOG_CONF" != "" ]; then |
| DLOG_CLASSPATH="`dirname $DLOG_LOG_CONF`:$DLOG_CLASSPATH" |
| OPTS="$OPTS -Dlog4j.configuration=`basename $DLOG_LOG_CONF`" |
| fi |
| OPTS="-cp $DLOG_CLASSPATH $OPTS $DLOG_EXTRA_OPTS" |
| |
| OPTS="$OPTS $DLOG_EXTRA_OPTS" |
| |
| # Disable ipv6 as it can cause issues |
| OPTS="$OPTS -Djava.net.preferIPv4Stack=true" |
| |
| # log directory & file |
| DLOG_ROOT_LOGGER=${DLOG_ROOT_LOGGER:-"INFO,R"} |
| DLOG_LOG_DIR=${DLOG_LOG_DIR:-"$DLOG_HOME/logs"} |
| DLOG_LOG_FILE=${DLOG_LOG_FILE:-"dlog.log"} |
| |
| #Configure log configuration system properties |
| OPTS="$OPTS -Ddlog.root.logger=$DLOG_ROOT_LOGGER" |
| OPTS="$OPTS -Ddlog.log.dir=$DLOG_LOG_DIR" |
| OPTS="$OPTS -Ddlog.log.file=$DLOG_LOG_FILE" |
| |
| #Change to DLOG_HOME to support relative paths |
| cd "$DLOG_HOME" |
| if [ $COMMAND == "local" ]; then |
| exec java $OPTS $JMX_ARGS com.twitter.distributedlog.LocalDLMEmulator $@ |
| elif [ $COMMAND == "tool" ]; then |
| exec java $OPTS com.twitter.distributedlog.tools.Tool com.twitter.distributedlog.tools.DistributedLogTool $@ |
| elif [ $COMMAND == "admin" ]; then |
| exec java $OPTS com.twitter.distributedlog.tools.Tool com.twitter.distributedlog.admin.DistributedLogAdmin $@ |
| elif [ $COMMAND == "help" ]; then |
| dlog_help; |
| else |
| exec java $OPTS $COMMAND $@ |
| fi |
| |
| |