Drbd verification

Ce script vérifie l'état de la synchro drdb, certaines lignes concernent de la supervision spécifique, elles peuvent etre ignorées. La variable RESSOURCE_LIST définir le nombre de "partition" drbd" que retourne cat /proc/drbd.

#!/bin/sh
PATH=$PATH:/bin:/usr/bin:/sbin:/usr/sbin
VC=/opt/agarik/Vision/bin/bb_send_raw
VCDISPLAY=supervision.agarik.com
VCTARGET="hv1,ods-lamp,cnrs"
VCSERVICE=drbd
LOG=/var/log/chkdrbd.log
RESSOURCE_LIST="0 1"

# extract informations from drbd
exec > $LOG
exec 2>&1
cat /proc/drbd

# check each device
for device in $RESSOURCE_LIST ; do
        device_info=`cat $LOG | grep -e "^ $device:"`

        # Check connection state
        connection_state=`echo $device_info | awk '{print $2}'`
        if [ "$connection_state" != "cs:Connected" ]; then
                cs_state=1
        else
                cs_state=0
        fi
        # Check role
        roles=`echo $device_info | awk '{print $3}'`
        if [ "$roles" != "ro:Primary/Primary" ]; then
                ro_state=1
        else
                ro_state=0
        fi
        # Check Disk States
        disk=`echo $device_info | awk '{print $4}'`
        if [ "$disk" != "ds:UpToDate/UpToDate" ]; then
                ds_state=1
        else
                ds_state=0
        fi
        # Get the final color
        if [ $cs_state -eq 0 -a $ro_state -eq 0 -a $ds_state -eq 0 ]; then
                device_state="${device_state}0"
        else
                device_state="${device_state}1"
        fi
done

if [ $device_state -ne 000 ]; then
        VCCOLOR=red
else
        VCCOLOR=green
fi

VCDATA="status+15 $VCTARGET.$VCSERVICE $VCCOLOR `/bin/date` $VCSERVICE
`cat $LOG`"
$VC $VCDISPLAY "$VCDATA"