/usr/lib/stonith/plugins/external/ipmi is in cluster-glue 1.0.8-2ubuntu6.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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#
# External STONITH module using IPMI.
# This modules uses uses the ipmitool program available from
# http://ipmitool.sf.net/ for actual communication with the
# managed device.
#
# Copyright (c) 2007 Martin Bene <martin.bene@icomedias.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU 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.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like. Any license provided herein, whether implied or
# otherwise, applies only to this software file. Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Initialization -- fix locale settings so we can parse output from
# binaries if we need it
LANG=C
LC_ALL=C
RESET="power reset"
POWEROFF="power off"
POWERON="power on"
STATUS="power status"
IPMITOOL=${ipmitool:-"`which ipmitool 2>/dev/null`"}
have_ipmi() {
test -x "${IPMITOOL}"
}
# Wrapper function for ipmitool that sets the correct host IP address,
# username, and password, and invokes ipmitool with any arguments
# passed in
run_ipmitool() {
have_ipmi || {
ha_log.sh err "ipmitool not installed"
return 1
}
if [ -z "${ipaddr}" -o -z "${userid}" -o -z "${passwd}" ]; then
ha_log.sh err "ipaddr, userid or passwd missing; check configuration"
return 1
fi
if [ -z "${interface}" ]; then
# default to "lan" interface
interface="lan"
fi
case "${passwd_method}" in
param|'')
passwd_method=param
M="-P"
;;
env)
M="-E"
;;
file)
M="-f"
;;
*)
ha_log.sh err "invalid passwd_method: \"${passwd_method}\""
return 1
esac
action="$*"
if [ $passwd_method = env ]
then
IPMI_PASSWORD="${passwd}" ${IPMITOOL} -I ${interface} -H ${ipaddr} -U "${userid}" -E ${action} 2>&1
else
${IPMITOOL} -I ${interface} -H ${ipaddr} -U "${userid}" $M "${passwd}" ${action} 2>&1
fi
}
# Yet another convenience wrapper that invokes run_ipmitool, captures
# its output, logs the output, returns either 0 (on success) or 1 (on
# any error)
do_ipmi() {
if outp=`run_ipmitool $*`; then
ha_log.sh debug "ipmitool output: `echo $outp`"
return 0
else
ha_log.sh err "error executing ipmitool: `echo $outp`"
return 1
fi
}
# Check if the managed node is powered on. To do so, issue the "power
# status" command. Should return either "Chassis Power is on" or
# "Chassis Power is off".
ipmi_is_power_on() {
local outp
outp=`run_ipmitool ${STATUS}`
case "${outp}" in
*on)
return 0
;;
*off)
return 1
;;
esac
}
case ${1} in
gethosts)
echo $hostname
exit 0
;;
on)
do_ipmi "${POWERON}"
exit
;;
off)
do_ipmi "${POWEROFF}"
exit
;;
reset)
if ipmi_is_power_on; then
do_ipmi "${RESET}"
else
do_ipmi "${POWERON}"
fi
exit
;;
status)
# "status" reflects the status of the stonith _device_, not
# the managed node. Hence, only check if we can contact the
# IPMI device with "power status" command, don't pay attention
# to whether the node is in fact powered on or off.
do_ipmi "${STATUS}"
exit $?
;;
getconfignames)
for i in hostname ipaddr userid passwd interface; do
echo $i
done
exit 0
;;
getinfo-devid)
echo "IPMI STONITH device"
exit 0
;;
getinfo-devname)
echo "IPMI STONITH external device"
exit 0
;;
getinfo-devdescr)
echo "ipmitool based power management. Apparently, the power off"
echo "method of ipmitool is intercepted by ACPI which then makes"
echo "a regular shutdown. If case of a split brain on a two-node"
echo "it may happen that no node survives. For two-node clusters"
echo "use only the reset method."
exit 0
;;
getinfo-devurl)
echo "http://ipmitool.sf.net/"
exit 0
;;
getinfo-xml)
cat << IPMIXML
<parameters>
<parameter name="hostname" unique="1">
<content type="string" />
<shortdesc lang="en">
Hostname
</shortdesc>
<longdesc lang="en">
The name of the host to be managed by this STONITH device.
</longdesc>
</parameter>
<parameter name="ipaddr" unique="1">
<content type="string" />
<shortdesc lang="en">
IP Address
</shortdesc>
<longdesc lang="en">
The IP address of the STONITH device.
</longdesc>
</parameter>
<parameter name="userid" unique="0">
<content type="string" />
<shortdesc lang="en">
Login
</shortdesc>
<longdesc lang="en">
The username used for logging in to the STONITH device.
</longdesc>
</parameter>
<parameter name="passwd" unique="0">
<content type="string" />
<shortdesc lang="en">
Password
</shortdesc>
<longdesc lang="en">
The password used for logging in to the STONITH device.
</longdesc>
</parameter>
<parameter name="passwd_method" unique="0">
<content type="string" default="param"/>
<shortdesc lang="en">
Method for passing passwd parameter
</shortdesc>
<longdesc lang="en">
Method for passing the passwd parameter to ipmitool
param: pass as parameter (-P)
env: pass via environment (-E)
file: value of "passwd" is actually a file name, pass with (-f)
</longdesc>
</parameter>
<parameter name="interface" unique="0">
<content type="string" default="lan"/>
<shortdesc lang="en">
IPMI interface
</shortdesc>
<longdesc lang="en">
IPMI interface to use, such as "lan" or "lanplus".
</longdesc>
</parameter>
<parameter name="ipmitool" unique="0">
<content type="string" default=""/>
<shortdesc lang="en">
IPMI command(ipmitool)
</shortdesc>
<longdesc lang="en">
Specify the full path to IPMI command.
</longdesc>
</parameter>
</parameters>
IPMIXML
exit 0
;;
*)
exit 1
;;
esac
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