modules/private/monitoring/plugins/check_mysql_replication

   1 #!/bin/bash
   2
   3 STATE_OK=0
   4 STATE_WARNING=1
   5 STATE_CRITICAL=2
   6 STATE_UNKNOWN=3
   7
   8 socket=$1
   9 config_file=$2
  10 info=$(mysql --defaults-file=${config_file} -S $socket -e "show slave status" --vertical)
  11 exit_code=$?
  12
  13 lag=$(echo "$info" | grep "\bSeconds_Behind_Master\b" | cut -d':' -f2 | sed -e "s/\s//g")
  14
  15 IO_running=$(echo "$info" | grep "\bSlave_IO_Running\b" | cut -d':' -f2 | sed -e "s/\s//g")
  16 SQL_running=$(echo "$info" | grep "\bSlave_SQL_Running\b" | cut -d':' -f2 | sed -e "s/\s//g")
  17
  18 if [[ $exit_code -ne 0 ]]; then
  19   echo "UNKNOWN - Impossible to run mysql command"
  20   exit $STATE_UNKNOWN
  21 elif [[ -z "$lag" ]]; then
  22   echo "UNKNOWN - No replication found for mysql"
  23   exit $STATE_UNKNOWN
  24 elif [[ "$IO_running" != "Yes" || "$SQL_running" != "Yes" ]]; then
  25   echo "UNKNOWN - Replication is not running"
  26   exit $STATE_UNKNOWN
  27 else
  28   output="Replication lag for mysql is ${lag}s"
  29   LC_ALL=C lag=$(printf "%.*f" 0 $lag)
  30
  31   if [[ $lag -lt 5 ]]; then
  32     echo "OK - $output | time=${lag}s;5;10;;"
  33     exit $STATE_OK
  34   elif [[ $lag -lt 10 ]]; then
  35     echo "WARNING - $output | time=${lag}s;5;10;;"
  36     exit $STATE_WARNING
  37   else
  38     echo "CRITICAL - $output | time=${lag}s;5;10;;"
  39     exit $STATE_CRITICAL
  40   fi
  41 fi