Subversion Repositories configs

#!/bin/bash

#

# 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.

#

# cgconfig Control Groups Configuration Startup

# chkconfig: - 5 95

# description: This script runs the cgconfigparser utility to parse and setup

#              the control group filesystem. It uses /etc/cgconfig.conf

#              and parses the configuration specified in there.

### BEGIN INIT INFO

# Provides:             cgconfig

# Required-Start:

# Required-Stop:

# Should-Start:         ypbind

# Should-Stop:          ypbind

# Short-Description:    Create and setup control group filesystem(s)

# Description:          Create and setup control group filesystem(s)

### END INIT INFO

# get correct location of binaries from configure

prefix=/usr;exec_prefix=/usr;sbindir=/sbin

CGCONFIGPARSER_BIN=$sbindir/cgconfigparser

CONFIG_FILE=/etc/cgconfig.conf

CONFIG_DIR=/etc/cgconfig.d

servicename=cgconfig

lockfile=/var/lock/subsys/$servicename

#

# Source LSB routines

#

. /etc/rc.d/init.d/functions

log_success_msg () {

    echo -n $*; success "$*"; echo

}

log_failure_msg () {

    echo -n $*; failure "$*"; echo

}

log_warning_msg () {

    echo -n $*; warning "$*"; echo

}

# read the config

CREATE_DEFAULT=yes

if [ -e /etc/sysconfig/cgconfig ]; then

        . /etc/sysconfig/cgconfig

fi

create_default_groups() {

	defaultcgroup=

        if [ -f /etc/cgrules.conf ]; then

	    read user ctrl defaultcgroup <<< \

		    $(grep -m1 '^\*[[:space:]]\+' /etc/cgrules.conf)

            if [ -n "$defaultcgroup" -a "$defaultcgroup" = "*" ]; then

                log_warning_msg "/etc/cgrules.conf incorrect"

                log_warning_msg "Overriding it"

                defaultcgroup=

            fi

        fi

        if [ -z $defaultcgroup ]

        then

            defaultcgroup=sysdefault/

        fi

        #

        # Find all mounted subsystems and create comma-separated list

        # of controllers.

        #

        controllers=`lssubsys 2>/dev/null | tr '\n' ',' | sed s/.$//`

        #

        # Create the default group, ignore errors when the default group

        # already exists.

        #

        cgcreate -f 664 -d 775 -g $controllers:$defaultcgroup 2>/dev/null

        #

        # special rule for cpusets

        #

        if echo $controllers | grep -q -w cpuset; then

                cpus=`cgget -nv -r cpuset.cpus /`

                cgset -r cpuset.cpus=$cpus $defaultcgroup

                mems=`cgget -nv -r cpuset.mems /`

                cgset -r cpuset.mems=$mems $defaultcgroup

        fi

        #

        # Classify everything to default cgroup. Ignore errors, some processes

        # may exit after ps is run and before cgclassify moves them.

        #

        cgclassify -g $controllers:$defaultcgroup `ps --no-headers -eL o tid` \

                 2>/dev/null || :

}

start() {

        echo -n "Starting cgconfig service: "

	if [ -f "$lockfile" ]; then

            log_warning_msg "lock file already exists"

            return 0

        fi

        if [ $? -eq 0 ]; then

                if [ ! -s $CONFIG_FILE ]; then

                    log_failure_msg $CONFIG_FILE "is not configured"

                    return 6

                fi

                $CGCONFIGPARSER_BIN -l $CONFIG_FILE -L $CONFIG_DIR

                retval=$?

                if [ $retval -ne 0 ]; then

                    log_failure_msg "Failed to parse " $CONFIG_FILE " or " $CONFIG_DIR

                    return 1

                fi

        fi

        if [ $CREATE_DEFAULT = "yes" ]; then

                create_default_groups

        fi

        touch "$lockfile"

        retval=$?

        if [ $retval -ne 0 ]; then

            log_failure_msg "Failed to touch $lockfile"

            return 1

        fi

        log_success_msg

        return 0

}

stop() {

    echo -n "Stopping cgconfig service: "

    cgclear

    rm -f "$lockfile"

    log_success_msg

    return 0

}

trapped() {

    #

    # Do nothing

    #

    true

}

usage() {

    echo "$0 <start|stop|restart|condrestart|status>"

    exit 2

}

common() {

    #

    # main script work done here

    #

    trap "trapped ABRT" ABRT

    trap "trapped QUIT" QUIT

    trap "trapped TERM" TERM

    trap "trapped INT"   INT

}

restart() {

	common

	stop

	start

}

RETVAL=0

case $1 in

    'stop')

        common

        stop

        RETVAL=$?

        ;;

    'start')

        common

        start

        RETVAL=$?

        ;;

    'restart'|'reload')

	restart

        RETVAL=$?

        ;;

    'condrestart')

        if [ -f "$lockfile" ]; then

            restart

            RETVAL=$?

        fi

        ;;

    'status')

        if [ -f "$lockfile" ]; then

            echo "Running"

            exit 0

        else

            echo "Stopped"

            exit 3

        fi

	;;

    *)

        usage

        ;;

esac

exit $RETVAL