PRTG monitoring scripts for GlusterFS

gluster-bricks.sh

#!/bin/bash

if [ -z "$1" ]; then
  echo "2:0:no volume provided"
  exit 1
fi

# volume bricks online = y
bricks=`sudo gluster volume info $1 | sed -nr 's/Number of Bricks:[^=]+= ([0-9]+)/\1/p'`
online=`sudo gluster volume status $1 detail | egrep 'Online.+Y' | wc -l`

if [ "$online" -eq "$bricks" ]; then
  echo "0:$online:all bricks online"
  exit 0
fi

echo "1:$online:bricks offline"
exit 1

gluster-heal.sh

#!/bin/bash

if [ -z "$1" ]; then
  echo "2:0:no volume provided"
  exit 1
fi

# volume heal info entries = 0
entries=0
for entry in `sudo gluster volume heal $1 info | sed -nr 's/Number of entries: ([0-9]+)/\1/p'`; do
  entries=$(( $entries + $entry ))
done

if [ "$entries" -gt 0 ]; then
  echo "1:$entries:self-heal in progress"
  exit 1
fi

echo "0:0:no self-heal entries"
exit 0

gluster-pool.sh

#!/bin/bash

# peer status = connected
nodes=`sudo gluster pool list | tail -n +2 | wc -l`
if [ "$nodes" -eq 0 ]; then
  echo "2:0:failed to get pool list"
  exit 1
fi

connected=`sudo gluster pool list | tail -n +2 | awk '{print $3}' | grep "Connected" | wc -l`
if [ "$nodes" -gt "$connected" ]; then
  echo "1:$nodes:missing peers"
  exit 1
fi

echo "0:$nodes:all nodes connected"

sudoers

# /etc/sudoers.d/prtg
prtg ALL=(root) NOPASSWD:/usr/sbin/gluster

Works like a charm, thank you very much!