check_geom

#!/bin/sh

##    This program is free software: you can redistribute it and/or modify
##    it under the terms of the GNU General Public License as published by
##    the Free Software Foundation, either version 3 of the License, or
##    (at your option) any later version. For further details see:
##    <http://www.gnu.org/licenses/>.
##
##    This program is distributed in the hope that it will be useful,
##    but WITHOUT ANY WARRANTY; without even the implied warranty of
##    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
##    GNU General Public License for more details.

# =============
# check_geom
# =============
# * written by Silver Salonen, Estonia

# version 1.2 (11.Dec.2009)
# * append " (SYNCHRONIZING - <percentage>)" to status if some of the disks is/are syncing
# * in case of a synchronizing array, status 1 (WARNING) is returned
# * in case of -v, don't echo about the state additionally

# (09.Apr.2009)
# include licence

# version 1.1.1 (27.Sep.2007)
# * fix typo 'grmirror' in printUsage().
# * mention graid in printUsage().

# version 1.1 (05.Jul.2007)
# * add type graid
# * delete unused functions that were copied from the check_pf.sh plugin ;)

# version 1.0.1 (27.Apr.2007)
# * allow GEOM state to be "COMPLETE" also.

# version 1.0 (17.Apr.2007)
# plugin return codes:
# 0     OK
# 1     Warning
# 2     Critical
# 3     Unknown

while getopts "ht:n:v" opt
do
        case $opt in
                h)
                        showhelp=1
                        break
                ;;
                t)
                        type="$OPTARG"
                ;;
                n)
                        name="$OPTARG"
                ;;
        esac
done

printUsage() {
        echo "Usage: $0 [-h] -t (gstripe|gmirror|graid) -n <name> [-v]"
        echo ""
        echo "Example: $0 -t gstripe -n gs0"
}

printHelp() {
        printUsage
        echo ""
        echo "This plugin checks state and status of a GEOM device (currently gstripe, gmirror or graid)"
        echo ""
        echo "For more details, see inside the script ;)"
        echo ""
        exit 3
}

if [ "$showhelp" = "1" ]; then
        printHelp
        exit 3
fi

if [ ! "$type" ] || [ ! "$name" ]; then
        printUsage
        exit 3
fi

case "$type" in
        gmirror)
                geom_exec=/sbin/gmirror
        ;;
        gstripe)
                geom_exec=/sbin/gstripe
        ;;
        graid)
                geom_exec=/sbin/graid
        ;;
        *)
                echo "$type: unknown type"
                        exit 3
        ;;
esac

if [ ! -x $geom_exec ]; then
        echo "$geom_exec: command not found"
        exit 3
fi

geom_list=`$geom_exec list $name`
geom_name=`echo "$geom_list" | grep "^Geom name"`
geom_state=`echo "$geom_list" | grep "^State"`
geom_status=`echo "$geom_list" | grep "\<Status"`
if ( echo "$geom_list" | grep "^No such geom" > /dev/null ); then
        echo "$geom_list"
        exit 3
fi

ret_code=0

geom_state_only=`echo "$geom_state" | cut -d ':' -f 2 | sed 's/^ //'`
if [ "$geom_state_only" != "OPTIMAL" ] && [ "$geom_state_only" != "UP" ] && [ "$geom_state_only" != "COMPLETE" ]; then
        if ( echo "$geom_list" | grep "\<State: SYNCHRONIZING" > /dev/null ); then
                synced="`echo "$geom_list" | grep "\<Synchronized" | cut -d ':' -f 2`"
                geom_state="$geom_state (SYNCHRONIZING:$synced)"
                ret_code=1
        else
                ret_code=2
        fi
fi

echo "$geom_name; $geom_state"
exit $ret_code