diff options
Diffstat (limited to 'scripts/init.d/wlm')
| -rwxr-xr-x | scripts/init.d/wlm | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/scripts/init.d/wlm b/scripts/init.d/wlm deleted file mode 100755 index 65d51bd..0000000 --- a/scripts/init.d/wlm +++ /dev/null @@ -1,288 +0,0 @@ -# -# Start/Stop the workload manager -# -# Copyright IBM Corporation. 2008 -# -# Authors: Balbir Singh <balbir@linux.vnet.ibm.com> -# This program is free software; you can redistribute it and/or modify it -# under the terms of version 2.1 of the GNU Lesser General Public License -# as published by the Free Software Foundation. -# -# This program is distributed in the hope that it would be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# -# -# TODO: Make this code more robust, add error checking and recovery -# for invalid configuration or interrupted execution -# -# Make the script LSB compliant -# - -CONF_FILE=/etc/wlm.conf -PROC_CGROUPS_FILE=/proc/cgroups -CGROUP_FS=cgroup -IGNORE_OPTS="ns cpuset" - -# support multiple mount points - -declare -a MOUNTPOINT -declare -a MOUNTOPTS -maxindex=0 - -parse_controller_file() { - ctlr=$1 - file=$2 - tuid="root" - tgid="root" - cuid="root" - cgid="root" - - pushd $PWD 2>&1 > /dev/null - while read name opts - do - case $name in - 'mount') - ;; - *) - if ! echo $name | grep -q ^# - then - echo "Creating class $name" - class=$name - index=1 - for i in `seq 1 $maxindex` - do - echo "mount pt ${MOUNTPOINT[$i]}" - mkdir -p ${MOUNTPOINT[$i]}/$class - cd ${MOUNTPOINT[$i]}/$class - - if echo $opts | grep -q "=" - then - for single_opt in $opts - do - cf=`echo $single_opt | cut -d '=' -f1` - co=`echo $single_opt | cut -d '=' -f2` - case $cf in - "tuid") - tuid=$co - ;; - "cuid") - cuid=$co - ;; - "tgid") - tgid=$co - ;; - "cgid") - cgid=$co - ;; - *) - echo -n $co > $cf - ;; - esac - done - chown -R $cuid:$cgid ${MOUNTPOINT[$i]}/$class - chown -R $tuid:$tgid ${MOUNTPOINT[$i]}/$class/tasks - fi - done - fi - esac - done < $file - popd 2>&1 > /dev/null -} - -parse_controller_opts() { - name=$1; - file=$2; - - if [ ! -r $PROC_CGROUPS_FILE ] - then - echo "$PROC_CGROUPS_FILE does not exist, please compile" - echo "cgroups into the kernel" - exit 1 - else - line=`grep -w $name $PROC_CGROUPS_FILE` - if [ $? -ne 0 ] - then - echo "$name controller not enabled" - exit 1 - fi - - active=`echo $line | awk '{print $2}'` - if [[ $active -eq 0 ]] - then - echo "$name controller not mounted" - else - parse_controller_file $name $file - fi - fi -} - -parse_conf_file() { - while read name conf - do - # skip all comments - if ! echo $name | grep -q ^# - then - case $name in - 'mount') - maxindex=$(($maxindex+1)) - MOUNTPOINT[$maxindex]=`echo $conf | cut -d ' ' -f1`; - MOUNTOPTS[$maxindex]=`echo $conf | cut -d ' ' -f2`; - ;; - esac - fi - done < $CONF_FILE - - return 0; -} - -mount_fs() { - if [ ! -r $PROC_CGROUPS_FILE ] - then - echo "$PROC_CGROUPS_FILE does not exist, please compile" - echo "cgroups into the kernel" - exit 1 - #else - #while read name hierarchy num_cgroups - #do - # if ! echo $name | grep -q ^# - # then - # echo $IGNORE_OPTS | grep -wq $name - # if [[ $? -ne 0 ]] - # then - # MOUNT_OPTS=$name","$MOUNT_OPTS - # fi - # fi - #done < $PROC_CGROUPS_FILE - #MOUNT_OPTS=${MOUNT_OPTS%%","} - #line=`grep -w $MOUNT_OPTS $PROC_CGROUPS_FILE` - #if [ $? -ne 0 ] - #then - # echo "$name controller not enabled" - # exit 1 - #fi - fi - for i in `seq 1 $maxindex` - do - mkdir -p ${MOUNTPOINT[$i]} - echo "mounting ${MOUNTPOINT[$i]} with ${MOUNTOPTS[$i]}" - mount -t $CGROUP_FS $CGROUP_FS -o ${MOUNTOPTS[$i]} ${MOUNTPOINT[$i]} - # - # Give root tasks read/write permission to all, since tasks - # tasks will be moved to root frequently - # - chmod ago+rwx ${MOUNTPOINT[$i]}/tasks - chmod ago+rwx ${MOUNTPOINT[$i]} - chmod +t ${MOUNTPOINT[$i]} - done - return $? -} - -umount_fs() { - for i in `seq 1 $maxindex` - do - umount ${MOUNTPOINT[$i]} - rmdir ${MOUNTPOINT[$i]} - done -} - -create_classes() { - while read name conf - do - # skip all comments - if ! echo $name | grep -q ^# - then - case $name in - 'mount') - ;; - *) - parse_controller_opts $name $conf - esac - fi - - done < $CONF_FILE -} - -start() { - echo "Starting wlm service: " - mount_fs - if [ $? -eq 0 ] - then - create_classes - fi - [ $? == 0 ] && touch /var/lock/subsys/wlm - return $? -} - -move_all_to_init_class() { - for i in `seq 1 $maxindex` - do - cd ${MOUNTPOINT[$i]} - cat /proc/mounts | grep -wq ${MOUNTPOINT[$i]} - if [ $? -ne 0 ] - then - echo "resource control filesystem not mounted" - exit 1 - fi - - for i in `find . -type d` - do - case $i in - '.') - ;; - *) - class=${i#./*} - echo "Removing class $class" - sed -nu p < ./$i/tasks > tasks - rmdir $i - ;; - esac - done - cd - > /dev/null - done -} - - -stop() { - move_all_to_init_class - umount_fs -} - -trapped() { - # - # Do nothing - # - true -} - -usage() { - echo "$0 <start|stop>" - exit 1 -} - -common() { - # - # main script work done here - # - trap "trapped ABRT" ABRT - trap "trapped QUIT" QUIT - trap "trapped TERM" TERM - trap "trapped INT" INT - - parse_conf_file -} - -case $1 in - 'start') - common - start; - ;; - 'stop') - common - stop; - ;; - *) - usage - ;; -esac - |