#!/bin/sh

# ########################################################################
# This program is part of Percona Monitoring Plugins
# License: GPL License (see COPYING)
# Authors:
#  Baron Schwartz, Roman Vynar
# ########################################################################

# ########################################################################
# Redirect STDERR to STDOUT; Nagios doesn't handle STDERR.
# ########################################################################
exec 2>&1

# ########################################################################
# Set up constants, etc.
# ########################################################################
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
STATE_DEPENDENT=4

# ########################################################################
# Run the program.
# ########################################################################
main() {
   # Get options
   for o; do
      case "${o}" in
         -c)              shift; OPT_CRIT="${1}"; shift; ;;
         --defaults-file) shift; OPT_DEFT="${1}"; shift; ;;
         -C)              shift; OPT_COMP="${1}"; shift; ;;
         -H)              shift; OPT_HOST="${1}"; shift; ;;
         -I)              shift; OPT_INCR="${1}"; shift; ;;
         -l)              shift; OPT_USER="${1}"; shift; ;;
         -L)              shift; OPT_LOPA="${1}"; shift; ;;
         -o)              shift; OPT_OPER="${1}"; shift; ;;
         -p)              shift; OPT_PASS="${1}"; shift; ;;
         -P)              shift; OPT_PORT="${1}"; shift; ;;
         -S)              shift; OPT_SOCK="${1}"; shift; ;;
         -T)              shift; OPT_TRAN="${1}"; shift; ;;
         -w)              shift; OPT_WARN="${1}"; shift; ;;
         -x)              shift; OPT_VAR1="${1}"; shift; ;;
         -y)              shift; OPT_VAR2="${1}"; shift; ;;
         --version)       grep -A2 '^=head1 VERSION' "$0" | tail -n1; exit 0 ;;
         --help)          perl -00 -ne 'm/^  Usage:/ && print' "$0"; exit 0 ;;
         -*)              echo "Unknown option ${o}.  Try --help."; exit 1; ;;
      esac
   done
   # Set default option values
   OPT_COMP="${OPT_COMP:->=}"
   if [ -e '/etc/nagios/mysql.cnf' ]; then
      OPT_DEFT="${OPT_DEFT:-/etc/nagios/mysql.cnf}"
   fi
   if is_not_sourced; then
      if [ -n "$1" ]; then
         echo "WARN spurious command-line options: $@"
         exit 1
      fi
   fi

   # Validate the options.
   OPT_ERR=""
   if [ -z "${OPT_CRIT}${OPT_WARN}" ]; then
      OPT_ERR="you must specify either -c or -w"
   elif [ -z "${OPT_VAR1}" ]; then
      OPT_ERR="you must specify -x"
   elif [ "${OPT_OPER}" -a -z "${OPT_VAR2}" ]; then
      OPT_ERR="you specified -o but not -y"
   elif [ "${OPT_VAR2}" -a -z "${OPT_OPER}" ]; then
      OPT_ERR="you specified -y but not -o"
   elif [ "${OPT_TRAN}" = 'pct'  -a -z "${OPT_VAR2}" ]; then
      OPT_ERR="you specified -T pct but not -y"
   elif [ "${OPT_TRAN}" ]; then
      case "${OPT_TRAN}" in
         pct|str)
            ;;
         *)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            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