/usr/share/arc/scan-sge-job is in nordugrid-arc-arex 5.3.0~rc1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# set -xv
#
# scan-sge-job does not use log-files, it only uses qacct.
#
# usage: scan_sge_job control_dir ...
# ARC1 passes first the config file.
if [ "$1" = "--config" ]; then shift; ARC_CONFIG=$1; shift; fi
basedir=`dirname $0`
basedir=`cd $basedir > /dev/null && pwd` || exit $?
libexecdir="${ARC_LOCATION:-/usr}/lib/arc/"
pkgdatadir="$basedir"
# Assume that gm-kick and scan_common are installed in the same directory
GMKICK=${libexecdir}/gm-kick
. "${pkgdatadir}/scan_common.sh" || exit $?
##############################################################
# Set SGE specific environment.
##############################################################
. "${pkgdatadir}/configure-sge-env.sh" 1>&2 || exit $?
##############################################################
olog () { echo "[`date +%Y-%m-%d\ %T`] scan-sge-job: $*" 1>&2; }
umask 022
my_id=`id -u`
if [ -z "$1" ] ; then exit 1 ; fi
TMPDIR=${TMPDIR:-/tmp}
# Log system performance
if [ ! -z "$perflogdir" ]; then
perflog_common "$perflogdir" "$CONFIG_controldir"
fi
# first control_dir is used for storing own files
control_dir=$1
control_dirs=
while [ $# -gt 0 ] ; do
control_dirs="${control_dirs} $1"
shift
done
# Takes diagfile_acct, SGE qacct command, id and extraargs
# writes output to diagfile_acct (temporary file for accounting info)
write_diagfile_acct () {
diagfile_acct=$1
qacct_command=$2
id=$3
extraargs=$4
#Check that qacct is available.
if ! `which $qacct_command >dev/null` ; then
olog "WARNING: qacct was not found. Accounting data will not be recorded."
fi
$qacct_command -j $id $extraargs 2> /dev/null \
| /usr/bin/perl -e 'while(<>) {
$nodename=$1 if /^hostname\s+(\S+)/;
$id=$1 if /^jobnumber\s+(\S+)/;
$exitcode=$1 if /^exit_status\s+(\S+)/;
$failed=$1 if /^failed\s+(.*\S)/;
$CPUTime=$1 if /^cpu\s+(\d+)/;
$Processors=$1 if /^slots\s+(\d+)/;
$KernelTime=$1 if /^ru_stime\s+(\d+)/;
$WallTime=$1 if /^ru_wallclock\s+(\d+)/;
$UsedMemory=$1 if /^maxvmem\s+(\S+)M/;
$UsedMemory=$1*1024 if /^maxvmem\s+(\S+)G/;
$start_time=`date -d "$1" +%s` if /^start_time\s+(.+)/;
$end_time =`date -d "$1" +%s` if /^end_time\s+(.+)/;
}
# converts seconds since epoch in local time into Mds time format (UTC)
sub mds_date {
my ($seconds) = @_;
my @t = gmtime $seconds;
my ($Y,$M,$D,$h,$m,$s) = (1900+$t[5],1+$t[4],$t[3],$t[2],$t[1],$t[0]);
return sprintf "%04i%02i%02i%02i%02i%02iZ",$Y,$M,$D,$h,$m,$s;
}
END {
exit unless $id;
print "LRMSStartTime=".mds_date($1)."\n" if $start_time =~ m/^(\d+)$/;
print "LRMSEndTime=" .mds_date($1)."\n" if $end_time =~ m/^(\d+)$/;
print "nodename=${nodename}\n";
print "CPUTime=${CPUTime}.0s\n";
print "Processors=${Processors}\n";
print "WallTime=${WallTime}.0s\n";
print "KernelTime=${KernelTime}.0s\n";
print "UserTime=".int($CPUTime-$KernelTime).".0s\n";
print "AverageTotalMemory=".int($UsedMemory*1024)."kB\n";
print "failed=$failed\n";
print "\nsgeexitcode=$exitcode\n";
}' \
> "$diagfile_acct"
}
# Parse GRAMI-file and see what was requested
check_exceeded_resources_grami () {
gramifile=$1
errorsfile=$2
used_cputime=$3
used_walltime=$4
used_memory=$5
req_walltime=`sed -n "s/^joboption_walltime=//p" "$gramifile" | tail -n 1`
req_cputime=`sed -n "s/^joboption_cputime=//p" "$gramifile" | tail -n 1`
req_memory=`sed -n "s/^joboption_memory=//p" "$gramifile" | tail -n 1`
if [ ! -z "$used_memory" ] && [ ! -z "$req_memory" ] \
&& [ "$req_memory" != "" ] && [ "$req_memory" -gt 0 ] \
&& [ $(( 100*$used_memory/1024/$req_memory )) -gt 95 ]; then
overlimit="memory"
fi
if [ ! -z "$used_cputime" ] && [ ! -z "$req_cputime" ] \
&& [ "$req_cputime" != "" ] && [ "$req_cputime" -gt 0 ] \
&& [ $(( 100*$used_cputime/$req_cputime )) -gt 95 ]; then
overlimit="cputime"
fi
if [ ! -z "$used_walltime" ] && [ ! -z "$req_walltime" ] \
&& [ "$req_walltime" != "" ] && [ "$req_walltime" -gt 0 ] \
&& [ $(( 100*$used_walltime/$req_walltime )) -gt 95 ]; then
overlimit="walltime"
fi
echo ++++++++++++++++++++++++++ >> "$errorsfile"
echo Resources: >> "$errorsfile"
echo ++++++++++++++++++++++++++ >> "$errorsfile"
echo req_memory=$req_memory MB >> "$errorsfile"
echo req_cputime=$req_cputime >> "$errorsfile"
echo req_walltime=$req_walltime >> "$errorsfile"
echo used_memory=$used_memory kB >> "$errorsfile"
echo used_cputime=$used_cputime >> "$errorsfile"
echo used_walltime=$used_walltime >> "$errorsfile"
if [ ! -z "$overlimit" ]; then
echo overlimit=$overlimit >> "$errorsfile"
fi
echo ++++++++++++++++++++++++++ >> "$errorsfile"
}
#Handle failedcode
handle_failedcode () {
failedcode=$1
donefile=$2
exitcode=$3
sgeexitcode=$4
overlimit=$5
if [ -z "$failedcode" ]; then
# Should never happen
olog "SGE job $id failed: SGE accouting record is incomplete"
echo "-1 SGE accouting record is incomplete" > "$donefile"
elif [ "$failedcode" = "0" ]; then
if [ -z "$exitcode" ]; then
olog "SGE job $id failed with unknown exit code"
if [ -z "$sgeexitcode" ] || [ "$sgeexitcode" = 0 ]; then sgeexitcode="-1"; fi
echo "$sgeexitcode Job failed with unknown exit code" > "$donefile"
elif [ "$exitcode" = "0" ]; then
#olog "SGE job $id finished successfully"
echo "0" > "$donefile"
else
#olog "SGE job $id failed with exit code $exitcode"
if [ -z "$sgeexitcode" ] || [ "$sgeexitcode" = 0 ]; then sgeexitcode="-1"; fi
echo "$sgeexitcode Job failed with exit code $exitcode" > "$donefile"
fi
else # SGE reports a problem
if [ "$failedcode" = "25" ]; then
failedreason="SGE error $failedcode: Job will be rescheduled"
elif [ "$failedcode" = "24" ]; then
failedreason="SGE error $failedcode: Job will be migrated"
elif [ "$failedcode" = "100" ]; then
# This happens when SGE signals the job, as in the case when a
# resource limit is exceeded. We don't know for sure whether
# they were enforced or not but if a job is killed by SGE, this
# might be the likely cause.
if [ -z "$overlimit" ]; then
failedreason="SGE error $failedreason"
elif [ $overlimit = "memory" ]; then
failedreason="job killed: vmem"
elif [ $overlimit = "cputime" ]; then
failedreason="job killed: cput"
elif [ $overlimit = "walltime" ]; then
failedreason="job killed: wall"
fi
else
failedreason="SGE error $failedreason"
fi
if [ ! -z "$eqwmessage" ]; then
failedreason="$eqwmessage"
fi
olog "SGE job $id failed: $failedreason"
if [ -z "$sgeexitcode" ] || [ "$sgeexitcode" = 0 ]; then sgeexitcode="-1"; fi
echo "271 $failedreason" > "$donefile"
fi # failedcode
}
# Add accounting info to $diagfile
add_accounting_to_diag () {
diagfile=$1
diagfile_acct=$2
diagfile_tmp=$3
errorsfile=$4
uid=$5
commentfile=$6
ctr_dir=$7
gramifile="${ctr_dir}/job.${gridid}.grami"
donefile="${ctr_dir}/job.${gridid}.lrms_done"
countfile="${ctr_dir}/job.${gridid}.lrms_job"
errorsfile="${ctr_dir}/job.${gridid}.errors"
localfile="${ctr_dir}/job.${gridid}.local"
used_walltime=`sed -n 's/^WallTime=\(.*\).0s/\1/p' "$diagfile_acct" | tail -n 1`
used_cputime=`sed -n 's/^CPUTime=\(.*\).0s/\1/p' "$diagfile_acct" | tail -n 1`
used_memory=`sed -n 's/^AverageTotalMemory=\(.*\)kB/\1/p' "$diagfile_acct" | tail -n 1`
sgeexitcode=`sed -n 's/^sgeexitcode=//p' "$diagfile_acct" | tail -n 1`
failedreason=`sed -n 's/^failed=//p' "$diagfile_acct" | tail -n 1`
failedcode=`echo $failedreason | awk '{print $1}'`
if [ -s "$diagfile_acct" ]; then
# Remove attributes from existing diagfile that we should have
# gotten from qacct this time, otherwise we will get duplicates
do_as_uid "$uid" "cat '$diagfile'" \
| grep -v "^nodename=" \
| grep -v "^WallTime=" \
| grep -v "^KernelTime=" \
| grep -v "^UserTime=" \
| grep -v "^CPUTime=" \
| grep -v "^Processors=" \
| grep -v "^LRMSStartTime=" \
| grep -v "^LRMSEndTime=" \
| grep -v "^MaxResidentMemory=" \
| grep -v "^AverageTotalMemory=" \
> "$diagfile_tmp"
cat "$diagfile_tmp" "$diagfile_acct" \
| grep -v '^sgeexitcode=' \
| do_as_uid "$uid" "cat > '$diagfile'"
# Check for exceeded resources limits
overlimit=
if [ -s "$gramifile" ]; then
check_exceeded_resources_grami "$gramifile" "$errorsfile" "$used_cputime" "$used_walltime" "$used_memory"
fi # grami file
save_commentfile "$uid" "$commentfile" "$errorsfile"
handle_failedcode "$failedcode" "$donefile" "$exitcode" "$sgeexitcode" "$overlimit"
# wake up GM
$GMKICK "$localfile" >> "$errorsfile"
rm -f "$countfile"
rm -f "$diagfile_tmp" "$diagfile_acct"
# we're done, go to next job id
return 0
fi # accounting info ok
rm -f "$diagfile_tmp" "$diagfile_acct"
return 1
}
# Handle missing accounting info
handle_missing_accounting () {
countfile=$1
uid=$2
commentfile=$3
errorsfile=$4
donefile=$5
exitcode=$6
localfile=$7
GMKICK=$8
SGE_BIN_PATH=$9
id=$10
if [ -n "$noaccounting" ]; then
# Accounting file is not accessible on this host.
echo "scan-sge-job: WARNING: SGE's accounting file is not accessible on the Grid frontend node" >> "$errorsfile"
echo "scan-sge-job: WARNING: Resource usage reported for this job may be inaccurate or incomplete" >> "$errorsfile"
if [ -z "$exitcode" ]; then
echo "-1 Job failed with unknown exit code" > "$donefile"
elif [ "$exitcode" = "0" ]; then
echo "0" > "$donefile"
else
echo "$exitcode Job failed with exit code $exitcode" > "$donefile"
fi
$GMKICK "$localfile" >> "$errorsfile"
return
fi
# There is a certain lag between the end of the job
# and the time when accouting information becomes available.
# We do 5 retries, keeping the count in $countfile
counter=0
if [ -f "$countfile" ] ; then
counter=`cat "$countfile"`
counter=$(( $counter + 1 ))
fi
if [ "$counter" -gt 5 ]; then
# Cannot wait more for accounting info.
echo "scan-sge-job: WARNING: No SGE accounting record found for this job" >> "$errorsfile"
echo "scan-sge-job: WARNING: Resource usage reported for this job may be inaccurate or incomplete" >> "$errorsfile"
save_commentfile "$uid" "$commentfile" "$errorsfile"
if [ -z "$exitcode" ]; then
olog "No SGE accounting record found for job $id. No exitcode in diag file"
echo "-1 Job failed with unknown exit code" > "$donefile"
elif [ "$exitcode" = "0" ]; then
olog "No SGE accounting record found for job $id. exitcode=$exitcode in diag file"
echo "0" > "$donefile"
else
olog "No SGE accounting record found for job $id. exitcode=$exitcode in diag file"
echo "$exitcode Job failed with exit code $exitcode" > "$donefile"
fi
rm -f "$countfile"
# wake up GM
$GMKICK "$localfile" >> "$errorsfile"
else
# test again for job existence, only count if not known
${SGE_BIN_PATH}/qstat -j $id > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "$counter" > "$countfile"
else
olog "SGE job $id disappeared and then reappeared!"
rm -f "$countfile"
fi
fi
}
# GD: no attempt to look for SGE Manager logfiles, restrict to job logs.
if [ ! -z "$perflogdir" ]; then
start_ts=`date +%s.%N`
fi
# Get all jobs
pids=`${SGE_BIN_PATH}/qstat -u '*' 2>/dev/null | sed -n 's/^ *\([0-9][0-9]*\) .*/\1/p'`
if [ $? != 0 ]; then
olog "Failed running ${SGE_BIN_PATH}/qstat"
sleep 60
exit 1
fi
if [ ! -z "$perflogdir" ]; then
stop_ts=`date +%s.%N`
t=`awk "BEGIN { printf \"%.3f\", ${stop_ts}-${start_ts} }"`
echo "[`date +%Y-%m-%d\ %T`] scan-sge-job, qstat -u '*': $t" >> $perflogfile
fi
# Go through directories
for ctr_dir in $control_dirs ; do
# Obtain ids of pending/running jobs stored in job.*.local
if [ ! -z "$perflogdir" ]; then
start_ts=`date +%s.%N`
fi
rjobs=`find "$ctr_dir/processing" -name 'job.*.status' 2>/dev/null \
| sed 's/processing\/job\.\([^\.]*\)\.status$/job.\1.local/'`
if [ ! -z "$perflogdir" ]; then
stop_ts=`date +%s.%N`
t=`awk "BEGIN { printf \"%.3f\", ${stop_ts}-${start_ts} }"`
echo "[`date +%Y-%m-%d\ %T`] scan-sge-job, control dir traversal: $t" >> $perflogfile
fi
if [ -z "$rjobs" ] ; then continue ; fi
ids=`echo $rjobs | xargs grep -h '^localid=' 2>/dev/null | sed 's/^localid=\([^ ]*\)/\1/'`
if [ -z "$ids" ] ; then continue ; fi
# compare them to running jobs and find missing
bids=
for id in $ids ; do
found=`echo "$pids" | grep "^$id"`
if [ -z "$found" ] ; then
bids="$bids $id"
fi
done
# go through missing ids
for id in $bids ; do
# find grid job corresponding to current local id
jobfile=`find "$ctr_dir/processing" -name 'job.*.status' 2>/dev/null \
| sed 's/processing\/job\.\([^\.]*\)\.status$/job.\1.local/' \
| xargs grep -l "localid=$id\$" 2>/dev/null`
if [ -z "$jobfile" ] ; then continue ; fi
# unless running as superuser, skip jobs not belonging to the current user
if [ "$my_id" != '0' ] ; then
if [ ! -O "$jobfile" ] ; then continue ; fi
fi
# find who runs this job
uid=$(get_owner_uid "$jobfile")
[ -z "$uid" ] && { log "Failed to stat $jobfile"; continue; }
# extract grid id
gridid=`basename "$jobfile" '.local' | sed 's/^job\.//'`
donefile="${ctr_dir}/job.${gridid}.lrms_done"
countfile="${ctr_dir}/job.${gridid}.lrms_job"
failedfile="${ctr_dir}/job.${gridid}.failed"
errorsfile="${ctr_dir}/job.${gridid}.errors"
localfile="${ctr_dir}/job.${gridid}.local"
xmlfile="${ctr_dir}/job.${gridid}.xml"
if [ -f "$donefile" ] ; then continue ; fi
statusfile="${ctr_dir}/processing/job.${gridid}.status"
if [ ! -f "$statusfile" ] ; then continue ; fi
status=`cat "$statusfile"`
if [ "$status" != "INLRMS" ] && [ "$status" != "CANCELING" ] ; then continue ; fi
# get session directory of this job
session=`grep -h '^sessiondir=' "$jobfile" | sed 's/^sessiondir=\(.*\)/\1/'`
commentfile="${session}.comment"
commentfile2="${session}/.comment"
do_as_uid "$uid" "cat '$commentfile2' >> '$commentfile' 2> /dev/null; rm -f '$commentfile2'";
if [ -d "$session" ] ; then
diagfile="${session}.diag"
diagfile2="${session}/.diag"
do_as_uid "$uid" "cat '$diagfile2' >> '$diagfile' 2> /dev/null; rm -f '$diagfile2'";
# try to obtain the exit code
# $diagfile is owned by the user running the job. Switch user to access it.
exitcode=`do_as_uid "$uid" "sed -n 's/^exitcode=//p' '$diagfile'" | tail -n 1`
diagfile_tmp=`mktemp "$TMPDIR/diag_tmp.XXXXXX"` || { sleep 60; exit 1; }
diagfile_acct=`mktemp "$TMPDIR/diag_acct.XXXXXX"` || { sleep 60; exit 1; }
noaccounting=
# qacct can take quite long. Here is a workaround.
# Find the accounting file, and copy the last 50000
# records to a temp file.
acctfile=$SGE_ROOT/$SGE_CELL/common/accounting
if [ -f "$acctfile" ]; then
briefacct=`mktemp "$TMPDIR/accounting.XXXXXX"` || { sleep 60; exit 1; }
tail -n 50000 "$acctfile" > "$briefacct"
if [ $? = 0 ]; then extraargs="-f $briefacct"; fi
else
# Accounting file is not accessible on this host.
noaccounting=1
fi
eqwmessage=`grep "SGE job state was Eqw" $xmlfile | sed -r 's/<[/]?OtherMessages>//g'`
# get accounting info. write diag file
write_diagfile_acct "$diagfile_acct" "${SGE_BIN_PATH}/qacct" "$id" "$extraargs"
if [ "x$briefacct" != "x" ]; then rm -f "$briefacct"; fi
# If the last qacct record is about migration,
# we should wait for the next qacct record to appear
# Delete file, like there was no accounting present at all!
if grep -q "^failed=24 *: migrating" "$diagfile_acct" \
|| grep -q "^failed=25 *: rescheduling" "$diagfile_acct"; then
rm -f "$diagfile_acct"
olog "SGE job $id: the last record in qacct is about migration. Waiting for next record to appear"
fi
# Add accounting info to $diagfile
add_accounting_to_diag "$diagfile" "$diagfile_acct" "$diagfile_tmp" "$errorsfile" "$uid" "$commentfile" "$ctr_dir"
if [ $? = 0 ]; then
continue
fi
fi # session directory exists
# This section is only reached when accounting info is not present
handle_missing_accounting "$countfile" "$uid" "$commentfile" "$errorsfile" "$donefile" "$exitcode" "$localfile" "$GMKICK" "$SGE_BIN_PATH" "$id"
done # loop over bids
# Detect the unlikely situation when a job reappears in the qstat listing
# after being absent in the previous run of the scan-*-job (which updated
# the counter file)
for countfile in `find $ctr_dir -name 'job.*.lrms_job'`; do
localfile=${countfile%.lrms_job}.local
pid=`sed -n 's/^localid=\([^ ]*\)/\1/p' "$localfile" 2>/dev/null`
if [ -z "$pid" ]; then continue; fi
if echo "$pids" | grep "^$pid\$" >/dev/null; then
olog "SGE job $id disappeared and then reappeared!"
rm -f "$countfile"
fi
done
done # loop over control_dirs
sleep 60
exit 0
|