mirror of https://github.com/ceph/ceph
56 lines
1.5 KiB
Bash
Executable File
56 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
|
|
# /nightlies/cron_wrapper.sh
|
|
|
|
# check for no argument case and stop
|
|
if [ -z $1 ]; then
|
|
echo "need argument"
|
|
exit 1
|
|
fi
|
|
|
|
# set permanent $LOG file var
|
|
# set per-job $LOG_XX file
|
|
# set $LOG_LOCKED_ERR in case locking failed
|
|
LOG="/var/log/crontab-nightlies-log/crontab.log"
|
|
LOG_LOCK_ERR="/var/log/crontab-nightlies-log/crontab_lock_problem.$$"
|
|
|
|
# temp files to store sdtout and stderr
|
|
# named with the PID of this script in their name so they'll be unique
|
|
STDERR="/var/tmp/stderr.$$"
|
|
STDOUT="/var/tmp/stdout.$$"
|
|
|
|
# $STDOUT and $STDERR are removed when the script exits for any reason
|
|
trap "rm -f $STDOUT $STDERR" 0
|
|
|
|
# log a name of the command about to be run
|
|
echo "Running command: $@" >> $STDOUT
|
|
|
|
# run a command from this script's argument
|
|
# redirect stdout to $STDOUT file and redirect stderr to $STDERR file
|
|
"$@" > $STDOUT 2> $STDERR
|
|
|
|
# get return code from the command run
|
|
code=$?
|
|
|
|
if [ $code != 0 ] ; then
|
|
# echoing to stdout/stderr makes cron send email
|
|
echo "stdout:"
|
|
cat $STDOUT
|
|
echo "stderr:"
|
|
cat $STDERR
|
|
else
|
|
# normal exit: just log stdout
|
|
DATE=$(date)
|
|
echo -n "$DATE: " >> $STDOUT
|
|
cat $STDOUT >> $STDOUT
|
|
fi
|
|
|
|
# lock $LOG with file descriptor 200
|
|
# if $LOC is locked by other process - wait for 20 sec
|
|
# if lock failed, write to $LOG_LOCK_ERR, e.g. all information already in $LOG_XX
|
|
exec 200>>$LOG
|
|
flock -w 20 200 || LOG=$LOG_LOCK_ERR
|
|
# write from per-job $LOG_XX file to the commonn $LOG
|
|
cat $LOG_XX >> $LOG
|
|
# unlock
|
|
flock -u 200
|