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ansible-roles/gerrit/files/gerrit.sh

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#!/bin/sh
#
# Launch Gerrit Code Review as a daemon process.
# To get the service to restart correctly on reboot, uncomment below (3 lines):
# ========================
# chkconfig: 3 99 99
# description: Gerrit Code Review
# processname: gerrit
# ========================
### BEGIN INIT INFO
# Provides: gerrit
# Required-Start: $named $remote_fs $syslog
# Required-Stop: $named $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start/stop Gerrit Code Review
# Description: Gerrit is a web based code review system, facilitating online code reviews
# for projects using the Git version control system.
### END INIT INFO
# Configuration files:
#
# /etc/default/gerritcodereview
# If it exists, sourced at the start of this script. It may perform any
# sequence of shell commands, like setting relevant environment variables.
#
# The files will be checked for existence before being sourced.
# Configuration variables. These may be set in /etc/default/gerritcodereview.
#
# GERRIT_SITE
# Path of the Gerrit site to run. $GERRIT_SITE/etc/gerrit.config
# will be used to configure the process.
#
# GERRIT_WAR
# Location of the gerrit.war download that we will execute. Defaults to
# container.war property in $GERRIT_SITE/etc/gerrit.config.
#
# NO_START
# If set to "1" disables Gerrit from starting.
#
# START_STOP_DAEMON
# If set to "0" disables using start-stop-daemon. This may need to
# be set on SuSE systems.
usage() {
me=`basename "$0"`
echo >&2 "Usage: $me {start|stop|restart|check|status|run|supervise|threads} [-d site]"
exit 1
}
test $# -gt 0 || usage
##################################################
# Some utility functions
##################################################
running() {
test -f $1 || return 1
PID=`cat $1`
ps -p $PID >/dev/null 2>/dev/null || return 1
return 0
}
thread_dump() {
test -f $1 || return 1
PID=`cat $1`
$JSTACK $PID || return 1
return 0;
}
get_config() {
if test -f "$GERRIT_CONFIG" ; then
if test "x$1" = x--int ; then
# Git might not be able to expand "8g" properly. If it gives
# us 0 back retry for the raw string and expand ourselves.
#
n=`git config --file "$GERRIT_CONFIG" --int "$2"`
if test x0 = "x$n" ; then
n=`git config --file "$GERRIT_CONFIG" --get "$2"`
case "$n" in
*g) n=`expr ${n%%g} \* 1024`m ;;
*k) n=`expr ${n%%k} \* 1024` ;;
*) : ;;
esac
fi
echo "$n"
else
git config --file "$GERRIT_CONFIG" $1 "$2"
fi
fi
}
##################################################
# Get the action and options
##################################################
ACTION=$1
shift
while test $# -gt 0 ; do
case "$1" in
-d|--site-path)
shift
GERRIT_SITE=$1
shift
;;
-d=*)
GERRIT_SITE=${1##-d=}
shift
;;
--site-path=*)
GERRIT_SITE=${1##--site-path=}
shift
;;
*)
usage
esac
done
test -z "$NO_START" && NO_START=0
test -z "$START_STOP_DAEMON" && START_STOP_DAEMON=1
##################################################
# See if there's a default configuration file
##################################################
if test -f /etc/default/gerritcodereview ; then
. /etc/default/gerritcodereview
fi
##################################################
# Set tmp if not already set.
##################################################
if test -z "$TMP" ; then
TMP=/tmp
fi
TMPJ=$TMP/j$$
##################################################
# Reasonable guess marker for a Gerrit site path.
##################################################
GERRIT_INSTALL_TRACE_FILE=etc/gerrit.config
##################################################
# No git in PATH? Needed for gerrit.config parsing
##################################################
if type git >/dev/null 2>&1 ; then
: OK
else
echo >&2 "** ERROR: Cannot find git in PATH"
exit 1
fi
##################################################
# Try to determine GERRIT_SITE if not set
##################################################
if test -z "$GERRIT_SITE" ; then
GERRIT_SITE_1=`dirname "$0"`/..
if test -f "${GERRIT_SITE_1}/${GERRIT_INSTALL_TRACE_FILE}" ; then
GERRIT_SITE=${GERRIT_SITE_1}
fi
fi
##################################################
# No GERRIT_SITE yet? We're out of luck!
##################################################
if test -z "$GERRIT_SITE" ; then
echo >&2 "** ERROR: GERRIT_SITE not set"
exit 1
fi
INITIAL_DIR=`pwd`
if cd "$GERRIT_SITE" ; then
GERRIT_SITE=`pwd`
else
echo >&2 "** ERROR: Gerrit site $GERRIT_SITE not found"
exit 1
fi
#####################################################
# Check that Gerrit is where we think it is
#####################################################
GERRIT_CONFIG="$GERRIT_SITE/$GERRIT_INSTALL_TRACE_FILE"
test -f "$GERRIT_CONFIG" || {
echo "** ERROR: Gerrit is not initialized in $GERRIT_SITE"
exit 1
}
test -r "$GERRIT_CONFIG" || {
echo "** ERROR: $GERRIT_CONFIG is not readable!"
exit 1
}
GERRIT_PID="$GERRIT_SITE/logs/gerrit.pid"
GERRIT_RUN="$GERRIT_SITE/logs/gerrit.run"
GERRIT_TMP="$GERRIT_SITE/tmp"
export GERRIT_TMP
##################################################
# Check for JAVA_HOME
##################################################
JAVA_HOME_OLD="$JAVA_HOME"
JAVA_HOME=`get_config --get container.javaHome`
if test -z "$JAVA_HOME" ; then
JAVA_HOME="$JAVA_HOME_OLD"
fi
if test -z "$JAVA_HOME" ; then
# If a java runtime is not defined, search the following
# directories for a JVM and sort by version. Use the highest
# version number.
JAVA_LOCATIONS="\
/usr/java \
/usr/bin \
/usr/local/bin \
/usr/local/java \
/usr/local/jdk \
/usr/local/jre \
/usr/lib/jvm \
/opt/java \
/opt/jdk \
/opt/jre \
"
for N in java jdk jre ; do
for L in $JAVA_LOCATIONS ; do
test -d "$L" || continue
find $L -name "$N" ! -type d | grep -v threads | while read J ; do
test -x "$J" || continue
VERSION=`eval "$J" -version 2>&1`
test $? = 0 || continue
VERSION=`expr "$VERSION" : '.*"\(1.[0-9\.]*\)["_]'`
test -z "$VERSION" && continue
expr "$VERSION" \< 1.2 >/dev/null && continue
echo "$VERSION:$J"
done
done
done | sort | tail -1 >"$TMPJ"
JAVA=`cat "$TMPJ" | cut -d: -f2`
JVERSION=`cat "$TMPJ" | cut -d: -f1`
rm -f "$TMPJ"
JAVA_HOME=`dirname "$JAVA"`
while test -n "$JAVA_HOME" \
-a "$JAVA_HOME" != "/" \
-a ! -f "$JAVA_HOME/lib/tools.jar" ; do
JAVA_HOME=`dirname "$JAVA_HOME"`
done
test -z "$JAVA_HOME" && JAVA_HOME=
echo "** INFO: Using $JAVA"
fi
if test -z "$JAVA" \
-a -n "$JAVA_HOME" \
-a -x "$JAVA_HOME/bin/java" \
-a ! -d "$JAVA_HOME/bin/java" ; then
JAVA="$JAVA_HOME/bin/java"
fi
if test -z "$JAVA" ; then
echo >&2 "Cannot find a JRE or JDK. Please set JAVA_HOME or"
echo >&2 "container.javaHome in $GERRIT_SITE/etc/gerrit.config"
echo >&2 "to a >=1.7 JRE"
exit 1
fi
if test -z "$JSTACK"; then
JSTACK="$JAVA_HOME/bin/jstack"
fi
#####################################################
# Add Gerrit properties to Java VM options.
#####################################################
GERRIT_OPTIONS=`get_config --get-all container.javaOptions`
if test -n "$GERRIT_OPTIONS" ; then
JAVA_OPTIONS="$JAVA_OPTIONS $GERRIT_OPTIONS"
fi
GERRIT_MEMORY=`get_config --get container.heapLimit`
if test -n "$GERRIT_MEMORY" ; then
JAVA_OPTIONS="$JAVA_OPTIONS -Xmx$GERRIT_MEMORY"
fi
GERRIT_FDS=`get_config --int core.packedGitOpenFiles`
test -z "$GERRIT_FDS" && GERRIT_FDS=128
GERRIT_FDS=`expr $GERRIT_FDS + $GERRIT_FDS`
test $GERRIT_FDS -lt 1024 && GERRIT_FDS=1024
GERRIT_USER=`get_config --get container.user`
#####################################################
# Configure sane ulimits for a daemon of our size.
#####################################################
ulimit -c 0 ; # core file size
ulimit -d unlimited ; # data seg size
ulimit -f unlimited ; # file size
ulimit -m >/dev/null 2>&1 && ulimit -m unlimited ; # max memory size
ulimit -n $GERRIT_FDS ; # open files
ulimit -t unlimited ; # cpu time
ulimit -v unlimited ; # virtual memory
ulimit -x >/dev/null 2>&1 && ulimit -x unlimited ; # file locks
#####################################################
# This is how the Gerrit server will be started
#####################################################
if test -z "$GERRIT_WAR" ; then
GERRIT_WAR=`get_config --get container.war`
fi
if test -z "$GERRIT_WAR" ; then
GERRIT_WAR="$GERRIT_SITE/bin/gerrit.war"
test -f "$GERRIT_WAR" || GERRIT_WAR=
fi
if test -z "$GERRIT_WAR" -a -n "$GERRIT_USER" ; then
for homedirs in /home /Users ; do
if test -d "$homedirs/$GERRIT_USER" ; then
GERRIT_WAR="$homedirs/$GERRIT_USER/gerrit.war"
if test -f "$GERRIT_WAR" ; then
break
else
GERRIT_WAR=
fi
fi
done
fi
if test -z "$GERRIT_WAR" ; then
echo >&2 "** ERROR: Cannot find gerrit.war (try setting \$GERRIT_WAR)"
exit 1
fi
test -z "$GERRIT_USER" && GERRIT_USER=`whoami`
RUN_ARGS="-jar $GERRIT_WAR daemon -d $GERRIT_SITE"
if test "`get_config --bool container.slave`" = "true" ; then
RUN_ARGS="$RUN_ARGS --slave"
fi
DAEMON_OPTS=`get_config --get-all container.daemonOpt`
if test -n "$DAEMON_OPTS" ; then
RUN_ARGS="$RUN_ARGS $DAEMON_OPTS"
fi
if test -n "$JAVA_OPTIONS" ; then
RUN_ARGS="$JAVA_OPTIONS $RUN_ARGS"
fi
if test -x /usr/bin/perl ; then
# If possible, use Perl to mask the name of the process so its
# something specific to us rather than the generic 'java' name.
#
export JAVA
RUN_EXEC=/usr/bin/perl
RUN_Arg1=-e
RUN_Arg2='$x=$ENV{JAVA};exec $x @ARGV;die $!'
RUN_Arg3='-- GerritCodeReview'
else
RUN_EXEC=$JAVA
RUN_Arg1=
RUN_Arg2='-DGerritCodeReview=1'
RUN_Arg3=
fi
##################################################
# Do the action
##################################################
case "$ACTION" in
start)
printf '%s' "Starting Gerrit Code Review: "
if test 1 = "$NO_START" ; then
echo "Not starting gerrit - NO_START=1 in /etc/default/gerritcodereview"
exit 0
fi
test -z "$UID" && UID=`id | sed -e 's/^[^=]*=\([0-9]*\).*/\1/'`
RUN_ID=`date +%s`.$$
RUN_ARGS="$RUN_ARGS --run-id=$RUN_ID"
if test 1 = "$START_STOP_DAEMON" && type start-stop-daemon >/dev/null 2>&1
then
test $UID = 0 && CH_USER="-c $GERRIT_USER"
if start-stop-daemon -S -b $CH_USER \
-p "$GERRIT_PID" -m \
-d "$GERRIT_SITE" \
-a "$RUN_EXEC" -- $RUN_Arg1 "$RUN_Arg2" $RUN_Arg3 $RUN_ARGS
then
: OK
else
rc=$?
if test $rc = 127; then
echo >&2 "fatal: start-stop-daemon failed"
rc=1
fi
exit $rc
fi
else
if test -f "$GERRIT_PID" ; then
if running "$GERRIT_PID" ; then
echo "Already Running!!"
exit 0
else
rm -f "$GERRIT_PID" "$GERRIT_RUN"
fi
fi
if test $UID = 0 -a -n "$GERRIT_USER" ; then
touch "$GERRIT_PID"
chown $GERRIT_USER "$GERRIT_PID"
su - $GERRIT_USER -s /bin/sh -c "
JAVA='$JAVA' ; export JAVA ;
$RUN_EXEC $RUN_Arg1 '$RUN_Arg2' $RUN_Arg3 $RUN_ARGS </dev/null >/dev/null 2>&1 &
PID=\$! ;
disown ;
echo \$PID >\"$GERRIT_PID\""
else
$RUN_EXEC $RUN_Arg1 "$RUN_Arg2" $RUN_Arg3 $RUN_ARGS </dev/null >/dev/null 2>&1 &
PID=$!
type disown >/dev/null 2>&1 && disown
echo $PID >"$GERRIT_PID"
fi
fi
if test $UID = 0; then
PID=`cat "$GERRIT_PID"`
if test -f "/proc/${PID}/oom_score_adj" ; then
echo -1000 > "/proc/${PID}/oom_score_adj"
else
if test -f "/proc/${PID}/oom_adj" ; then
echo -16 > "/proc/${PID}/oom_adj"
fi
fi
fi
TIMEOUT=90 # seconds
sleep 1
while running "$GERRIT_PID" && test $TIMEOUT -gt 0 ; do
if test "x$RUN_ID" = "x`cat $GERRIT_RUN 2>/dev/null`" ; then
echo OK
exit 0
fi
sleep 2
TIMEOUT=`expr $TIMEOUT - 2`
done
echo FAILED
exit 1
;;
stop)
printf '%s' "Stopping Gerrit Code Review: "
if test 1 = "$START_STOP_DAEMON" && type start-stop-daemon >/dev/null 2>&1
then
start-stop-daemon -K -p "$GERRIT_PID" -s HUP
sleep 1
if running "$GERRIT_PID" ; then
sleep 3
if running "$GERRIT_PID" ; then
sleep 30
if running "$GERRIT_PID" ; then
start-stop-daemon -K -p "$GERRIT_PID" -s KILL
fi
fi
fi
rm -f "$GERRIT_PID" "$GERRIT_RUN"
echo OK
else
PID=`cat "$GERRIT_PID" 2>/dev/null`
TIMEOUT=30
while running "$GERRIT_PID" && test $TIMEOUT -gt 0 ; do
kill $PID 2>/dev/null
sleep 1
TIMEOUT=`expr $TIMEOUT - 1`
done
test $TIMEOUT -gt 0 || kill -9 $PID 2>/dev/null
rm -f "$GERRIT_PID" "$GERRIT_RUN"
echo OK
fi
;;
restart)
GERRIT_SH=$0
if test -f "$GERRIT_SH" ; then
: OK
else
GERRIT_SH="$INITIAL_DIR/$GERRIT_SH"
if test -f "$GERRIT_SH" ; then
: OK
else
echo >&2 "** ERROR: Cannot locate gerrit.sh"
exit 1
fi
fi
$GERRIT_SH stop $*
sleep 5
$GERRIT_SH start $*
;;
supervise)
#
# Under control of daemontools supervise monitor which
# handles restarts and shutdowns via the svc program.
#
exec "$RUN_EXEC" $RUN_Arg1 "$RUN_Arg2" $RUN_Arg3 $RUN_ARGS
;;
run|daemon)
echo "Running Gerrit Code Review:"
if test -f "$GERRIT_PID" ; then
if running "$GERRIT_PID" ; then
echo "Already Running!!"
exit 0
else
rm -f "$GERRIT_PID"
fi
fi
exec "$RUN_EXEC" $RUN_Arg1 "$RUN_Arg2" $RUN_Arg3 $RUN_ARGS --console-log
;;
check|status)
echo "Checking arguments to Gerrit Code Review:"
echo " GERRIT_SITE = $GERRIT_SITE"
echo " GERRIT_CONFIG = $GERRIT_CONFIG"
echo " GERRIT_PID = $GERRIT_PID"
echo " GERRIT_TMP = $GERRIT_TMP"
echo " GERRIT_WAR = $GERRIT_WAR"
echo " GERRIT_FDS = $GERRIT_FDS"
echo " GERRIT_USER = $GERRIT_USER"
echo " JAVA = $JAVA"
echo " JAVA_OPTIONS = $JAVA_OPTIONS"
echo " RUN_EXEC = $RUN_EXEC $RUN_Arg1 '$RUN_Arg2' $RUN_Arg3"
echo " RUN_ARGS = $RUN_ARGS"
echo
if test -f "$GERRIT_PID" ; then
if running "$GERRIT_PID" ; then
echo "Gerrit running pid="`cat "$GERRIT_PID"`
exit 0
fi
fi
exit 3
;;
threads)
if running "$GERRIT_PID" ; then
thread_dump "$GERRIT_PID"
exit 0
else
echo "Gerrit not running?"
fi
exit 3
;;
*)
usage
;;
esac
exit 0
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