sysbench scripts (5)

    銜接上文，以下是test文件夾下的腳本。

    5、mysql_vars.sh腳本

#! /bin/sh


###########################################################
# Copyright (c) 2012, Heng.Wang. All rights reserved.
#
# This program is used to get the variables of mysql server.
###########################################################

# set -x

# Get the key value of input arguments format like '--args=value'.
get_key_value()
{
    echo "$1" | sed 's/^--[a-zA-Z_-]*=//'     
}

# Usage will be helpful when you need to input the valid arguments.
usage()
{
cat <<EOF
Usage: $0 [configure-options]
  -?, --help                       Show this help message.
  --mysqldir=<>                    Set the mysql directory  
  --host=<>                        Set the host name.
  --port=<>                        Set the port number.
  --user=<>                        Set the user name.
  --password=<>                    Set the password.
  --socket=<>                      Set the socket file  
  --outputdir=<>                   Set the output directory.  

Note: this script is intended for internal use by developers.

EOF
}

# Print the default value of the arguments of the script.
print_default()
{
cat <<EOF
  The default value of the variables:
  
  mysqldir          $MYSQLDIR
  host              $HOST
  port              $PORT
  user              $USER
  password          $PASSWORD
  socket            $SOCKET
  outputdir         $OUTPUTDIR

EOF
}

# Parse the input arguments and get the value of the input argument.
parse_options()
{
  while test $# -gt 0
  do
    case "$1" in    
    --mysqldir=*)
      MYSQLDIR=`get_key_value "$1"`;;
    --host=*)
      HOST=`get_key_value "$1"`;;
    --port=*)
      PORT=`get_key_value "$1"`;;
    --user=*)
      USER=`get_key_value "$1"`;;
    --password=*)
      PASSWORD=`get_key_value "$1"`;;
    --socket=*)
      SOCKET=`get_key_value "$1"`;;
    --outputdir=*)
      OUTPUTDIR=`get_key_value "$1"`;;
    -? | --help)
      usage
      exit 0;;
    *)
      echo "Unknown option '$1'"
      exit 1;;
    esac
    shift
  done
}

#############################################################
# Define the variables the script used for executing.
MYSQLDIR=/opt/Percona-Server
HOST=localhost
PORT=3306
USER=root
PASSWORD=
SOCKET=/tmp/mysql.sock
OUTPUTDIR=/opt/output

# Call the parse_options function to parse the input arguments.
parse_options "$@"

# Define the mysql and sysbench executable program.
MYSQLADMIN=$MYSQLDIR/bin/mysqladmin

# If the mysqladmin is not exist, exit the script.
if [ -f $MYSQLADMIN ]
then
  # If the output directory is not exist, then make directory.
  [[ -d $OUTPUTDIR ]] || mkdir -p $OUTPUTDIR
	
	cd $MYSQLDIR
	./bin/mysqladmin --host=$HOST --port=$PORT --user=$USER --password=$PASSWORD --socket=$SOCKET variables >> ${OUTPUTDIR}/mysql_vars_${HOST}_${PORT}.var
	
else  
  echo "$MYSQLADMIN is not exist!"
  echo "Please check the mysql home directory."
  exit -1
 
fi