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#!/bin/bash
#
#
# SysInfo OCF Resource Agent
# It records (in the CIB) various attributes of a node
#
# Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Br馥
# All Rights Reserved.
#
# 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., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/resource.d/heartbeat}
. ${OCF_FUNCTIONS_DIR}/.ocf-shellfuncs
#######################################################################
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="SysInfo">
<version>1.0</version>
<longdesc lang="en">
This is a SysInfo Resource Agent.
It records (in the CIB) various attributes of a node
Sample Linux output:
arch: i686
os: Linux-2.4.26-gentoo-r14
free_swap: 1999
cpu_info: Intel(R) Celeron(R) CPU 2.40GHz
cpu_speed: 4771.02
cpu_cores: 1
cpu_load: 0.00
ram_total: 513
ram_free: 117
root_free: 2.4
Sample Darwin output:
arch: i386
os: Darwin-8.6.2
cpu_info: Intel Core Duo
cpu_speed: 2.16
cpu_cores: 2
cpu_load: 0.18
ram_total: 2016
ram_free: 787
root_free: 13
Units:
free_swap: Mb
ram_*: Mb
root_free: Gb
cpu_speed (Linux): bogomips
cpu_speed (Darwin): Ghz
</longdesc>
<shortdesc lang="en">Records various node attributes in the CIB</shortdesc>
<parameters>
<parameter name="pidfile" unique="0">
<longdesc lang="en">PID file</longdesc>
<shortdesc lang="en">PID file</shortdesc>
<content type="string" default="$OCF_RESKEY_pidfile" />
</parameter>
<parameter name="delay" unique="0">
<longdesc lang="en">Interval to allow values to stabilize</longdesc>
<shortdesc lang="en">Dampening Delay</shortdesc>
<content type="string" default="0s" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="20s" />
<action name="stop" timeout="20s" />
<action name="monitor" timeout="20s" interval="60s"/>
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="20s" />
</actions>
</resource-agent>
END
}
#######################################################################
UpdateStat() {
name=$1; shift
value="$*"
echo -e "$name:\t$value"
${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -S status -n $name -v "$value"
}
SysInfoStats() {
UpdateStat arch "`uname -m`"
UpdateStat os "`uname -s`-`uname -r`"
case `uname -s` in
"Darwin")
mem=`top -l 1 | grep Mem: | awk '{print $10}'`
mem_used=`top -l 1 | grep Mem: | awk '{print $8}'`
mem=`SysInfo_mem_units $mem`
mem_used=`SysInfo_mem_units $mem_used`
mem_total=`expr $mem_used + $mem`
cpu_type=`system_profiler SPHardwareDataType | grep "CPU Type:"`
cpu_type=${cpu_type/*: /}
cpu_speed=`system_profiler SPHardwareDataType | grep "CPU Speed:" | awk '{print $3}'`
cpu_cores=`system_profiler SPHardwareDataType | grep "Number Of"`
cpu_cores=${cpu_cores/*: /}
;;
"Linux")
if [ -f /proc/cpuinfo ]; then
cpu_type=`grep "model name" /proc/cpuinfo | head -n 1`
cpu_type=${cpu_type/*: /}
cpu_speed=`grep "bogomips" /proc/cpuinfo | head -n 1`
cpu_speed=${cpu_speed/*: /}
cpu_cores=`grep "^processor" /proc/cpuinfo | wc -l`
fi
if [ -f /proc/meminfo ]; then
# meminfo results are in kB
mem=`grep "SwapFree" /proc/meminfo | awk '{print $2"k"}'`
if [ ! -z $mem ]; then
UpdateStat free_swap `SysInfo_mem_units $mem`
fi
mem=`grep "Inactive" /proc/meminfo | awk '{print $2"k"}'`
mem_total=`grep "MemTotal" /proc/meminfo | awk '{print $2"k"}'`
else
mem=`top -n 1 | grep Mem: | awk '{print $7}'`
fi
;;
*)
esac
if [ x != x"$cpu_type" ]; then
UpdateStat cpu_info "$cpu_type"
fi
if [ x != x"$cpu_speed" ]; then
UpdateStat cpu_speed "$cpu_speed"
fi
if [ x != x"$cpu_cores" ]; then
UpdateStat cpu_cores "$cpu_cores"
fi
loads=`uptime`
load15=`echo ${loads} | awk '{print $10}'`
UpdateStat cpu_load $load15
if [ ! -z "$mem" ]; then
# Massage the memory values
UpdateStat ram_total `SysInfo_mem_units $mem_total`
UpdateStat ram_free `SysInfo_mem_units $mem`
fi
# Portability notes:
# o df: -h flag not available on Solaris 8. (OK on 9, 10, ...) #FIXME#
# o tail: explicit "-n" not available in Solaris; instead simplify
# 'tail -n <c>' to the equivalent 'tail -<c>'.
disk=`df -h / | tail -1 | awk '{print $4}'`
if [ x != x"$disk" ]; then
UpdateStat root_free `SysInfo_hdd_units $disk`
fi
}
SysInfo_mem_units() {
mem=$1
if [ -z $1 ]; then
return
fi
memlen=`expr ${#mem} - 1`
memlen_alt=`expr ${#mem} - 2`
if [ ${mem:$memlen:1} = "G" ]; then
mem="${mem:0:$memlen}"
if [ $mem != ${mem/./} ]; then
mem_before=${mem/.*/}
mem_after=${mem/*./}
mem=$[mem_before*1024]
if [ ${#mem_after} = 0 ]; then
:
elif [ ${#mem_after} = 1 ]; then
mem=$[mem+100*$mem_after]
elif [ ${#mem_after} = 2 ]; then
mem=$[mem+10*$mem_after]
elif [ ${#mem_after} = 3 ]; then
mem=$[mem+$mem_after]
else
mem_after=${mem_after:0:3}
mem=$[mem+$mem_after]
fi
fi
elif [ ${mem:$memlen:1} = "M" ]; then
mem=${mem/.*/}
mem="${mem:0:$memlen}"
elif [ ${mem:$memlen:1} = "k" ]; then
mem="${mem:0:$memlen}"
mem=${mem/.*/}
mem=`expr $mem / 1024`
elif [ ${mem:$memlen_alt:2} = "kB" ]; then
mem="${mem:0:$memlen_alt}"
mem=${mem/.*/}
mem=`expr $mem / 1024`
elif [ ${mem:$memlen_alt:2} = "Mb" ]; then
mem="${mem:0:$memlen_alt}"
mem=${mem/.*/}
elif [ ${mem:$memlen_alt:2} = "MB" ]; then
mem="${mem:0:$memlen_alt}"
mem=${mem/.*/}
fi
# Round to the next multiple of 50
memlen=`expr ${#mem} - 2`
mem_round="${mem:$memlen:2}"
if [ x$mem_round = x ]; then
:
elif [ $mem_round = "00" ]; then
:
else
mem_round=`echo $mem_round | sed 's/^0//'`
if [ $mem_round -lt "50" ]; then
mem=$[mem+50]
mem=$[mem-$mem_round]
else
mem=$[mem+100]
mem=$[mem-$mem_round]
fi
fi
echo $mem
}
SysInfo_hdd_units() {
disk=$1
disklen=`expr ${#disk} - 1`
disklen_alt=`expr ${#disk} - 2`
if [ ${disk:$disklen:1} = "G" ]; then
disk="${disk:0:$disklen}"
elif [ ${disk:$disklen:1} = "M" ]; then
disk="${disk:0:$disklen}"
disk=${disk/.*/}
disk=`expr $disk / 1024`
elif [ ${disk:$disklen:1} = "k" ]; then
disk="${disk:0:$disklen}"
disk=${disk/.*/}
disk=`expr $disk / 1048576`
elif [ ${disk:$disklen_alt:2} = "kB" ]; then
disk="${disk:0:$disklen_alt}"
disk=${disk/.*/}
disk=`expr $disk / 1048576`
elif [ ${disk:$disklen_alt:2} = "Mb" ]; then
disk="${disk:0:$disklen_alt}"
disk=${disk/.*/}
disk=`expr $disk / 1024`
elif [ ${disk:$disklen_alt:2} = "MB" ]; then
disk="${disk:0:$disklen_alt}"
disk=${disk/.*/}
disk=`expr $disk / 1024`
fi
echo $disk
}
SysInfo_usage() {
cat <<END
usage: $0 {start|stop|monitor|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
SysInfo_start() {
echo $OCF_RESKEY_clone > $OCF_RESKEY_pidfile
SysInfoStats
exit $OCF_SUCCESS
}
SysInfo_stop() {
rm $OCF_RESKEY_pidfile
exit $OCF_SUCCESS
}
SysInfo_monitor() {
if [ -f $OCF_RESKEY_pidfile ]; then
clone=`cat $OCF_RESKEY_pidfile`
fi
if [ x$clone = x ]; then
rm $OCF_RESKEY_pidfile
exit $OCF_NOT_RUNNING
elif [ $clone = $OCF_RESKEY_clone ]; then
SysInfoStats
exit $OCF_SUCCESS
elif [ x$OCF_RESKEY_CRM_meta_globally_unique = xtrue
-o x$OCF_RESKEY_CRM_meta_globally_unique = xTrue
-o x$OCF_RESKEY_CRM_meta_globally_unique = xyes
-o x$OCF_RESKEY_CRM_meta_globally_unique = xYes
]; then
SysInfoStats
exit $OCF_SUCCESS
fi
exit $OCF_NOT_RUNNING
}
SysInfo_validate() {
return $OCF_SUCCESS
}
if [ $# -ne 1 ]; then
SysInfo_usage
exit $OCF_ERR_ARGS
fi
: ${OCF_RESKEY_pidfile:="$HA_RSCTMP/SysInfo-${OCF_RESOURCE_INSTANCE}"}
: ${OCF_RESKEY_clone:="0"}
if [ x != x${OCF_RESKEY_delay} ]; then
OCF_RESKEY_delay="-d ${OCF_RESKEY_delay}"
fi
case $__OCF_ACTION in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) SysInfo_start
;;
stop) SysInfo_stop
;;
monitor) SysInfo_monitor
;;
validate-all) SysInfo_validate
;;
usage|help) SysInfo_usage
exit $OCF_SUCCESS
;;
*) SysInfo_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
exit $?

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