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#!/bin/bash
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
socket=$1
config_file=$2
info=$(mysql --defaults-file=${config_file} -S $socket -e "show slave status" --vertical)
exit_code=$?
lag=$(echo "$info" | grep "\bSeconds_Behind_Master\b" | cut -d':' -f2 | sed -e "s/\s//g")
IO_running=$(echo "$info" | grep "\bSlave_IO_Running\b" | cut -d':' -f2 | sed -e "s/\s//g")
SQL_running=$(echo "$info" | grep "\bSlave_SQL_Running\b" | cut -d':' -f2 | sed -e "s/\s//g")
if [[ $exit_code -ne 0 ]]; then
echo "UNKNOWN - Impossible to run mysql command"
exit $STATE_UNKNOWN
elif [[ -z "$lag" ]]; then
echo "UNKNOWN - No replication found for mysql"
exit $STATE_UNKNOWN
elif [[ "$IO_running" != "Yes" || "$SQL_running" != "Yes" ]]; then
echo "UNKNOWN - Replication is not running"
exit $STATE_UNKNOWN
else
output="Replication lag for mysql is ${lag}s"
LC_ALL=C lag=$(printf "%.*f" 0 $lag)
if [[ $lag -lt 5 ]]; then
echo "OK - $output | time=${lag}s;5;10;;"
exit $STATE_OK
elif [[ $lag -lt 10 ]]; then
echo "WARNING - $output | time=${lag}s;5;10;;"
exit $STATE_WARNING
else
echo "CRITICAL - $output | time=${lag}s;5;10;;"
exit $STATE_CRITICAL
fi
fi
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