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Filename : check_a2_dnsdist_pools.sh

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#!/bin/bash

UP=$(echo 'showServers()' | dnsdist -c | grep State -A 20 | awk '{print $4'} | grep up | wc -l)
DOWN=$(echo 'showServers()' | dnsdist -c | grep State -A 20 | awk '{print $4'} | grep down | wc -l)

if [[ "$UP" -lt 4 || "$DOWN" -gt 3 ]]; then
  echo "dnsdist_pools - CRIT - Servers Up: $UP Servers Down: $DOWN"
  exit 2
else
  echo "dnsdist_pools - OK - Servers Up: $UP Servers Down: $DOWN"
  exit 0
fi