Attachment 414886 Details for Bug 593276 – Better init file

Better init file

ipvsadm.init (text/plain), 4.85 KB, created by Jan Friesse on 2010-05-18 15:05:32 UTC

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Creator: Jan Friesse

Created: 2010-05-18 15:05:32 UTC

Size: 4.85 KB

patch

obsolete

>#!/bin/bash
>#
># Startup script handle the initialisation of LVS
># chkconfig: - 28 72
># description: Initialise the Linux Virtual Server
># config: /etc/sysconfig/ipvsadm
>#
>### BEGIN INIT INFO
># Provides: ipvsadm
># Required-Start: $local_fs $network $named
># Required-Stop: $local_fs $remote_fs $network
># Short-Description: Initialise the Linux Virtual Server
># Description: The Linux Virtual Server is a highly scalable and highly
>#   available server built on a cluster of real servers, with the load
>#   balancer running on Linux.
>### END INIT INFO
>
># Source function library
>. /etc/rc.d/init.d/functions
>
>IPVSADM=ipvsadm
>IPVSADMRESTORE=${IPVSADM}-restore
>IPVSADMSAVE=${IPVSADM}-save
># Saved IPVS data
>IPVSADM_DATA=/etc/sysconfig/$IPVSADM
># Configuration
>IPVSADM_CONFIG=/etc/sysconfig/${IPVSADM}-config
>IPVS=ip_vs
>PROC_IPVS=/proc/net/$IPVS
>VAR_SUBSYS_IPVSADM=/var/lock/subsys/$IPVSADM
>
>if [ ! -x /sbin/$IPVSADM ]; then
>    echo -n $"${IPVSADM}: /sbin/$IPVSADM does not exist."; warning; echo
>    exit 5
>fi
>
># Old or new modutils
>/sbin/modprobe --version 2>&1 | grep -q module-init-tools \
>    && NEW_MODUTILS=1 \
>    || NEW_MODUTILS=0
>
># Default IPVSADM configuration:
>IPVS_MODULES_UNLOAD="yes"
>IPVS_SAVE_ON_STOP="no"
>IPVS_SAVE_ON_RESTART="no"
>IPVS_STATUS_NUMERIC="yes"
>
># Load IPVSADM configuration.
>[ -f "$IPVSADM_CONFIG" ] && . "$IPVSADM_CONFIG"
>
>rmmod_r() {
>    # Unload module with all referring modules.
>    # At first all referring modules will be unloaded, then the module itself.
>    local mod=$1
>    local ret=0
>    local ref=
>
>    # Get referring modules.
>    # New modutils have another output format.
>    [ $NEW_MODUTILS = 1 ] \
>        && ref=$(lsmod | awk "/^${mod}[[:space:]]/ { print \$4; }" | tr ',' ' ') \
>        || ref=$(lsmod | grep ^${mod} | cut -d "[" -s -f 2 | cut -d "]" -s -f 1)
>
>    # recursive call for all referring modules
>    for i in $ref; do
>        rmmod_r $i
>        let ret+=$?;
>    done
>
>    # Unload module.
>    # The extra test is for 2.6: The module might have autocleaned,
>    # after all referring modules are unloaded.
>    if grep -q "^${mod}" /proc/modules ; then
>        modprobe -r $mod > /dev/null 2>&1
>        res=$?
>        [ $res -eq 0 ] || echo -n " $mod"
>        let ret+=$res;
>    fi
>
>    return $ret
>}
>
>start() {
>    # Do not start if there is no config file.
>    [ ! -f "$IPVSADM_DATA" ] && return 6
>
>    # check if ipvs module load is deactivated
>    if grep -qIsE "^install[[:space:]]+${IPVS}[[:space:]]+/bin/(true|false)" /etc/modprobe.conf /etc/modprobe.d/* ; then
>        echo $"${IPVSADM}: ${IPVS} is disabled."
>        return 150
>    fi
>
>    # If we don't clear these first, we might be adding to pre-existing rules.
>    action $"${IPVSADM}: Clearing the current IPVS table:" $IPVSADM -C
>
>    echo -n $"${IPVSADM}: Applying IPVS configuration: "
>    $IPVSADMRESTORE < ${IPVSADM_DATA}
>    if [ $? -eq 0 ];then success; echo; else failure; echo; return 1;fi
>
>    touch $VAR_SUBSYS_IPVSADM
>}
>
>stop() {
>    # Do not stop if ipvs module is not loaded.
>    [ ! -e "$PROC_IPVS" ] && return 0
>
>    action $"${IPVSADM}: Clearing the current IPVS table:" $IPVSADM -C
>
>    ret=0
>
>    if [ "x$IPVS_MODULES_UNLOAD" = "xyes" ]; then
>        action $"${IPVSADM}: Unloading modules:" rmmod_r $IPVS
>        [ $? -ne 0 ] && ret=1
>    fi
>
>    rm -f $VAR_SUBSYS_IPVSADM
>
>    return $ret
>}
>
>status() {
>    # Do not print status if lockfile is missing and ipvs modules are not
>    # loaded.
>    if [ ! -f "$VAR_SUBSYS_IPVSADM" -a ! -e "$PROC_IPVS" ]; then
>        echo $"${IPVSADM}: IPVS is not running."
>        return 3
>    fi
>
>    # Do show status if ipvs module is not loaded.
>    if [ ! -e "$PROC_IPVS" ];then
>        echo $"${IPVSADM}: IPVS module is not loaded."
>        return 3
>    fi
>
>    NUM=""
>    [ "x$IPVS_STATUS_NUMERIC" = "xyes" ] && NUM="-n"
>
>    $IPVSADM -L $NUM && echo
>}
>
>save() {
>    # Check if module is loaded
>    [ ! -e "$PROC_IPVS" ] && return 0
>
>    echo -n $"${IPVSADM}: Saving IPVS table to ${IPVSADM_DATA}: "
>    $IPVSADMSAVE -n > ${IPVSADM_DATA} 2>/dev/null
>    if [ $? -eq 0 ];then success; echo; else failure; echo; return 1;fi
>
>    return 0
>}
>
>restart() {
>    [ "x$IPVS_SAVE_ON_RESTART" = "xyes" ] && save
>    stop
>    start
>}
>
># See how we were called.
>case "$1" in
>    start)
>        [ -f "$VAR_SUBSYS_IPVSADM" ] && exit 0
>
>        # If we have no configuration, save the current one
>        [ -f ${IPVSADM_DATA} ] || save
>        start
>        RETVAL=$?
>        ;;
>    stop)
>        [ "x$IPVS_SAVE_ON_STOP" = "xyes" ] && save
>        stop
>        RETVAL=$?
>        ;;
>    restart|force-reload)
>        restart
>        RETVAL=$?
>        ;;
>    reload)
>        # Start will flush everything, so it counts as a reload
>        start
>        RETVAL=$?
>        ;;
>    status)
>        status
>        RETVAL=$?
>        ;;
>    save)
>        save
>        RETVAL=$?
>        ;;
>    *)
>        echo "Usage: $0 {start|stop|restart|force-reload|reload|status|save}"
>        RETVAL=2
>esac
>
>exit $RETVAL

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Attachments on bug 593276: 414828 | 414829 | 414830 | 414886