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|
#!/bin/sh
#
# Init script : ucarp for FreeBSD
# By Nico <nico@rottenbytes.info>
#
# PROVIDE: ucarp
# REQUIRE: DAEMON
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf to enable & configure ucarp:
#
# ucarp_enable (bool): Set it to "YES" to enable ucarp
# Default is "NO".
# ucarp_if: Set interface to use for ucarp checks
# Default is "eth0"
# ucarp_src: Set source (real) IP address of that host
# ucarp_vhid: Set virtual IP identifier (1-255)
# Default is "1"
# ucarp_pass: Set password
# Default is "dumbp4ss"
# ucarp_preempt (bool): Set it to "YES" to become a master as soon as possible
# Default is "NO"
# ucarp_addr: Set virtual shared IP address
# ucarp_advbase: Set advertisement frequency (seconds)
# ucarp_advskew: Set advertisement skew (0-255)
# ucarp_upscript: Run <file> to become a master
# ucarp_downscript: Run <file> to become a backup
# ucarp_deadratio: Set ratio to consider a host as dead
# ucarp_shutdown (bool): Set it to "YES" to call shutdown script at exit
# Default is "YES"
# ucarp_facility: Set syslog facility
# Default is "daemon"
. %%RC_SUBR%%
name="ucarp"
rcvar=`set_rcvar`
load_rc_config $name
: ${ucarp_enable="NO"}
: ${ucarp_if="eth0"}
: ${ucarp_vhid="1"}
: ${ucarp_pass="dumbp4ss"}
: ${ucarp_preempt="NO"}
: ${ucarp_shutdown="YES"}
: ${ucarp_facility="daemon"}
command=%%PREFIX%%/sbin/ucarp
command_args="-i ${ucarp_if} -v ${ucarp_vhid} -p ${ucarp_pass} -f ${ucarp_facility} -B "
start_precmd="build_command_args"
build_command_args()
{
if [ ${ucarp_preempt} = "YES" ]
then
command_args=${command_args}"-P "
fi
if [ ${ucarp_shutdown} = "YES" ]
then
command_args=${command_args}"-z "
fi
# Mandatory arguments
if [ -z ${ucarp_src} ]
then
echo "source address is not set ! please set it"
exit 1
fi
if [ -z ${ucarp_addr} ]
then
echo "virtual address is not set ! please set it"
exit 1
fi
command_args=${command_args}"-s ${ucarp_src} -a ${ucarp_addr} "
# Optional args
if ! [ -z ${ucarp_upscript} ]
then
command_args=${command_args}"-u ${ucarp_upscript} "
fi
if ! [ -z ${ucarp_downscript} ]
then
command_args=${command_args}"-d ${ucarp_downscript} "
fi
if ! [ -z ${ucarp_deadratio} ]
then
command_args=${command_args}"-r ${ucarp_deadratio} "
fi
if ! [ -z ${ucarp_advbase} ]
then
command_args=${command_args}"-b ${ucarp_advbase} "
fi
if ! [ -z ${ucarp_advskew} ]
then
command_args=${command_args}"-k ${ucarp_advskew} "
fi
}
run_rc_command "$1"
|
