/usr/lib/oar/oarsh_shell is in oar-common 2.5.4-2+deb8u1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | #!/bin/bash
# $Id$
# This is the shell program used with the oarsh script.
# It adds its own process in the cpuset OAR_CPUSET and launches
# the shell or the script of the user OAR_JOB_USER.
DEFAULT_SHELL=/bin/bash
XAUTH_LOCATION="/usr/bin/xauth"
CPUSET_MOUNT_POINT="/dev/oar_cgroups_links"
OARDIR="/usr/lib/oar"
OAR_RUNTIME_DIRECTORY="/tmp/oar_runtime"
export PATH=$OARDIR/oardodo:$PATH
source /etc/oar/oar.conf
# File generated by job resource manager on all job nodes
JOBENVFILE="$OAR_RUNTIME_DIRECTORY/${OAR_CPUSET##*/}.env"
OLDUMASK=$(umask)
umask 0022
# $1 = Name of the cpuset
# $2,$3,... = PIDs to add
# Add PIDS into the cpuset $1
function add_process_to_cpuset() {
[ "$1" = "undef" ] && return
######################
# CPUSET assignation #
###########################################################################
CPUSETNAME=$1
if [ ! -w /dev/cpuset/$CPUSETNAME/tasks ]; then
echo "oarsh: Cannot find cpuset file : /dev/cpuset/$CPUSETNAME/tasks" 1>&2
exit 61
fi
shift
# Add each processes to the right OAR cgroups
for p in $@; do
if [ -r $CPUSET_MOUNT_POINT/cpuset/$CPUSETNAME/tasks ]; then
# Feed at least cpuset (security)
$OARDIR/oardodo/oardodo sh -c "echo $p > $CPUSET_MOUNT_POINT/cpuset/$CPUSETNAME/tasks" || return 1
for c in $CPUSET_MOUNT_POINT/*; do
if [ "$c" != "$CPUSET_MOUNT_POINT/cpuset" -a -r "$c/$CPUSETNAME/tasks" ]; then
$OARDIR/oardodo/oardodo sh -c "echo $p > $c/$CPUSETNAME/tasks" || return 1
fi
done
else
# Old behaviour without cgroups (just cpuset)
$OARDIR/oardodo/oardodo sh -c "echo $p > /dev/cpuset/$CPUSETNAME/tasks" || return 1
fi
done
###########################################################################
}
if [ "$OAR_JOB_USER" = "" ]
then
if [ "$SSH_CLIENT" != "" ] && [ "$OAR_KEY" != "1" ]
then
echo "oarsh: The OAR_KEY environment variable is not defined and this seems to be a oar user connection." 1>&2
exit 65
fi
# It must be oar
if [ "$OAR_CPUSET" != "" ]
then
add_process_to_cpuset $OAR_CPUSET $$ $PPID || exit 62
[ -r "$JOBENVFILE" ] && source $JOBENVFILE
fi
$OARDIR/oardodo/oardodo renice 0 $$ $PPID > /dev/null 2>&1
export SHELL=$DEFAULT_SHELL
umask $OLDUMASK
exec $DEFAULT_SHELL "$@"
echo "oarsh: exec failed" 1>&2
exit 66
else
if [ "$OAR_CPUSET" = "" ]
then
echo "oarsh: OAR_CPUSET variable is empty; Is your sshd right configured with 'AcceptEnv OAR_CPUSET OAR_JOB_USER' on all computing nodes?" 1>&2
exit 63
fi
add_process_to_cpuset $OAR_CPUSET $$ $PPID || exit 62
#Manage display
if [ -n "$DISPLAY" ]
then
if [ -x "$XAUTH_LOCATION" ]
then
$XAUTH_LOCATION -q extract - ${DISPLAY#localhost} | OARDO_BECOME_USER=${OAR_JOB_USER} $OARDIR/oardodo/oardodo $XAUTH_LOCATION merge -
[ "${OAR_JOB_USER}" != "$OAR_JOB_USER" ] && OARDO_BECOME_USER=${OAR_JOB_USER} $OARDIR/oardodo/oardodo bash --noprofile --norc -c 'chmod 660 $HOME/.Xauthority'
fi
fi
#Change tty owner
TTY=$(tty) && test -e $TTY && $OARDIR/oardodo/oardodo chown $OAR_JOB_USER:oar $TTY && $OARDIR/oardodo/oardodo chmod 660 $TTY
$OARDIR/oardodo/oardodo renice 0 $$ $PPID > /dev/null 2>&1
[ -r "$JOBENVFILE" ] && source $JOBENVFILE
if [ "$1" = "" ]
then
# Simulate initial login
export OARDO_BECOME_USER=$OAR_JOB_USER
umask $OLDUMASK
exec $OARDIR/oardodo/oardodo
#exec oardodo su - $OAR_JOB_USER
echo "oarsh: exec failed" 1>&2
exit 66
else
export OARDO_BECOME_USER=$OAR_JOB_USER
export OARDO_USE_USER_SHELL=1
umask $OLDUMASK
exec $OARDIR/oardodo/oardodo "$@"
echo "oarsh: exec failed" 1>&2
exit 66
fi
fi
echo "oarsh: Really bad error" 1>&2
exit 67
|