MySQL集群自动安装脚本

#!/bin/bash

############################################
######### MySQL Server Config ##############
############################################
#Determine to install MySQL server
#"0" means do not install server programs
INST_SERVER=1
#MySQL installation path
INST_PATH="/usr/local/mysql"
#Define the ports of MySQL installation, intput strings of
#PORT with whitespace separated.
#e.g. "3306 3307" means install two MySQL servers:
#     The first server will be installed to $INST_PATH/1 and listen 3306 port.
#     The second server will be installed to $INST_PATH/2 and listen 3307 port.
#     … …
INST_PORTS="3306"
#The management server information
MGM_HOST="192.168.1.253"
MGM_PORT="2200"
###########################################
######### MySQL Cluster Config ############
###########################################
#Determine to install cluster
#"0" means do not install cluster programs
INST_CLUSTER=1
#Define COMPUTERs in config.ini, intput strings of HostName with
#whitespace separated.
#The Id attribute is auto increment and start with 1.
#e.g. "192.168.1.253 192.168.252" will generate the following code
#  [COMPUTER]
#    Id=1
#    HostName=192.168.1.253
#  [COMPUTER]
#    Id=2
#    HostName=192.168.1.252
COMPUTERS="192.168.1.253 192.168.1.252"
#Define MGMs in config.ini, intput strings of HostName with whitespace separated.
#e.g. "192.168.1.253 192.168.252" will generate the following code
#  [MGM]
#    HostName=192.168.1.253
#  [MGM]
#    HostName=192.168.1.252
MGMS="192.168.1.253"
#Define DBs in config.ini, intput ids of ExecuteOnComputer with whitespace separated.
#e.g. "1 2" will generate the following code
#  [DB]
#    ExecuteOnComputer=1
#  [DB]
#    ExecuteOnComputer=2
DBS="1"
#Define APIs in config.ini, intput ids of ExecuteOnComputer with whitespace separated.
#e.g. "1 0 1 2" will generate the following code
#  [API]
#    ExecuteOnComputer=1
#  [API]
#  [API]
#    ExecuteOnComputer=1
#  [API]
#    ExecuteOnComputer=2
APIS="1 0 2 2"
######################################################################
########## Starting to install programs, do not modify them! #########
######################################################################
echo "Starting to install programs" > install.log
#Find installation path
if [ $# -gt 0 ]
then
  INST_PATH="$1"
else
  INST_PATH="/usr/local/mysql"
fi
if [ 0 -lt $INST_SERVER ]
then
 echo "Now, installing the MySQL servers…"

 #Loop to install mysql servers
 INSTALLED_SERVER_COUNT=1
 for PORT in $INST_PORTS
 do
  #Define the current mysql server installation path
   MYSL_PATH=$INST_PATH/$INSTALLED_SERVER_COUNT

   #Configure mysql server
   echo "Exec ./configure --prefix=$MYSL_PATH --with-pthread
--with-unix-socket-path=$MYSL_PATH/var/mysql.sock --with-mysqld-user=root
--with-tcp-port=$PORT --with-charset=gbk --with-ndbcluster" >> install.log
   ./configure --prefix=$MYSL_PATH --with-pthread
--with-unix-socket-path=$MYSL_PATH/var/mysql.sock
--with-mysqld-user=root --with-tcp-port=$PORT
--with-charset=gbk --with-ndbcluster

   #Make mysql server
   echo "Exec make && make install" >> install.log
   make && make install

   #Create var directory for mysql data
   mkdir -p $MYSL_PATH/var

   #Create my.cnf
   echo "Create $MYSL_PATH/var/my.cnf" >> install.log
   echo "[client]" > $MYSL_PATH/var/my.cnf
   echo "port=$PORT" >> $MYSL_PATH/var/my.cnf
   echo "socket=$MYSL_PATH/var/mysql.sock" >> $MYSL_PATH/var/my.cnf
   echo "" >> $MYSL_PATH/var/my.cnf
   echo "[mysqld]" >> $MYSL_PATH/var/my.cnf
   echo "ndbcluster" >> $MYSL_PATH/var/my.cnf
   echo "ndb_connectstring=host=$MGM_HOST:$MGM_PORT" >> $MYSL_PATH/var/my.cnf
   echo "user=root" >> $MYSL_PATH/var/my.cnf
   echo "port=$PORT" >> $MYSL_PATH/var/my.cnf
   echo "basedir=$MYSL_PATH/" >> $MYSL_PATH/var/my.cnf
   echo "datadir=$MYSL_PATH/var/" >> $MYSL_PATH/var/my.cnf
   echo "socket=$MYSL_PATH/var/mysql.sock" >> $MYSL_PATH/var/my.cnf
   echo "default-character-set=gbk" >> $MYSL_PATH/var/my.cnf
   echo "default-storage-engine=INNODB" >> $MYSL_PATH/var/my.cnf
   echo "max_connections=500" >> $MYSL_PATH/var/my.cnf
   echo "" >> $MYSL_PATH/var/my.cnf
   echo "query_cache_size=33M" >> $MYSL_PATH/var/my.cnf
   echo "table_cache=1520" >> $MYSL_PATH/var/my.cnf
   echo "tmp_table_size=16M" >> $MYSL_PATH/var/my.cnf
   echo "thread_cache=38" >> $MYSL_PATH/var/my.cnf
   echo "" >> $MYSL_PATH/var/my.cnf
   echo "#MyISAM Specific options" >> $MYSL_PATH/var/my.cnf
   echo "#skip-myisam" >> $MYSL_PATH/var/my.cnf
   echo "" >> $MYSL_PATH/var/my.cnf
   echo "#INNODB Specific options" >> $MYSL_PATH/var/my.cnf
   echo "#skip-innodb" >> $MYSL_PATH/var/my.cnf
   chmod 755 $MYSL_PATH/var/my.cnf

   #Install mysql database
   echo "Exec $MYSL_PATH/bin/mysql_install_db" >> install.log
   $MYSL_PATH/bin/mysql_install_db

   #Create mysql control script
   if [ -e $MYSL_PATH/share/mysql/mysql.server ]
   then

    #Use default mysql control script

    #Create mysql server start script
    echo "Create $MYSL_PATH/start" >> install.log
    echo "$MYSL_PATH/share/mysql/mysql.server start" > $MYSL_PATH/start
    echo "Chmod 755 $MYSL_PATH/start" >> install.log
    chmod 755 $MYSL_PATH/start

    #Create mysql server stop script
    echo "Create $MYSL_PATH/stop" >> install.log
    echo "$MYSL_PATH/share/mysql/mysql.server stop" > $MYSL_PATH/stop
    echo "Chmod 755 $MYSL_PATH/stop" >> install.log
    chmod 755 $MYSL_PATH/stop

    #Create mysql server restart script
    echo "Create $MYSL_PATH/restart" >> install.log
    echo "$MYSL_PATH/share/mysql/mysql.server restart" > $MYSL_PATH/restart
    echo "Chmod 755 $MYSL_PATH/restart" >> install.log
    chmod 755 $MYSL_PATH/restart
   else

     #Use custom mysql control script

    #Create mysql server start script
    echo "Create $MYSL_PATH/start" >> install.log
    echo "$MYSL_PATH/libexec/mysqld &" > $MYSL_PATH/start
    echo "Chmod 755 $MYSL_PATH/start" >> install.log
    chmod 755 $MYSL_PATH/start

    #Create mysql server stop script
    echo "Create $MYSL_PATH/stop" >> install.log
    echo "$MYSL_PATH/bin/mysqladmin -u root -p shutdown" > $MYSL_PATH/stop
    echo "Chmod 755 $MYSL_PATH/stop" >> install.log
    chmod 755 $MYSL_PATH/stop

    #Create mysql server restart script
    echo "Create $MYSL_PATH/restart" >> install.log
    echo "$MYSL_PATH/bin/mysqladmin -u root -p shutdown" > $MYSL_PATH/restart
    echo "$MYSL_PATH/libexec/mysqld &" >> $MYSL_PATH/restart
    echo "Chmod 755 $MYSL_PATH/restart" >> install.log
    chmod 755 $MYSL_PATH/restart
   fi

   #Clean mysql server to get ready for the next installation
   echo "Exec make clean" >> install.log
   make clean

   INSTALLED_SERVER_COUNT=$(($INSTALLED_SERVER_COUNT + 1))
 done

 echo "Configurations! MySQL servers has been installed successfully."
 echo ""
 echo "1. To start mysql server, use the following command:"
 echo "  cd "
 echo "  ./start"
 echo ""
 echo "2. To stop mysql server, use the following command:"
 echo "  cd "
 echo "  ./stop"
 echo ""
 echo "3. To restart mysql server, use the following command:"
 echo "  cd "
 echo "  ./restart"
fi

#Install cluster programs
if [ 0 -lt $INST_CLUSTER ]
then
 if [ -e $INST_PATH/1 ]
 then
  echo "Now, installing the cluster programs…"

   #Define the cluster installation path
   CLST_PATH=$INST_PATH/cluster

   #Create cluster directory
   echo "Exec mkdir -p $CLST_PATH" >> install.log
   mkdir -p $CLST_PATH

   #Copy cluster binaries
   echo "Exec cp $INST_PATH/1/bin/ndb* $CLST_PATH/" >> install.log
   cp $INST_PATH/1/bin/ndb* $CLST_PATH/
   echo "Exec cp $INST_PATH/1/libexec/ndb* $CLST_PATH/" >> install.log
   cp $INST_PATH/1/libexec/ndb* $CLST_PATH/

   #Create config.ini
   echo "Create $CLST_PATH/config.ini" >> install.log

     #Write default global configuration
    echo "[TCP DEFAULT]" >> $CLST_PATH/config.ini
    echo "" >> $CLST_PATH/config.ini
    echo "[MGM DEFAULT]" >> $CLST_PATH/config.ini
    echo "" >> $CLST_PATH/config.ini
    echo "[DB DEFAULT]" >> $CLST_PATH/config.ini
    echo "  NoOfReplicas=1" >> $CLST_PATH/config.ini
    echo "" >> $CLST_PATH/config.ini
    echo "[API DEFAULT]" >> $CLST_PATH/config.ini
    echo "" >> $CLST_PATH/config.ini

    #Write computers configuration
    COMPUTER_ID=1
    for COMPUTER in $COMPUTERS
    do
      echo "[COMPUTER]" >> $CLST_PATH/config.ini
      echo "  Id=$COMPUTER_ID" >> $CLST_PATH/config.ini
      echo "  HostName=$COMPUTER" >> $CLST_PATH/config.ini
      echo "" >> $CLST_PATH/config.ini

      COMPUTER_ID=$(($COMPUTER_ID + 1))
    done

    #Write management server configuration
    for MGM in $MGMS
    do
      echo "[MGM]" >> $CLST_PATH/config.ini
      echo "  HostName=$MGM" >> $CLST_PATH/config.ini
      echo "" >> $CLST_PATH/config.ini
    done

    #Write storage nodes configuration
    for DB in $DBS
    do
      echo "[DB]" >> $CLST_PATH/config.ini
      echo "  ExecuteOnComputer=$DB" >> $CLST_PATH/config.ini
      echo "" >> $CLST_PATH/config.ini
    done

    #Write mysql servers configuration
    for API in $APIS
    do
      echo "[API]" >> $CLST_PATH/config.ini
      if [ 0 -ne $API ]
      then
        echo "  ExecuteOnComputer=$API" >> $CLST_PATH/config.ini
      fi
      echo "" >> $CLST_PATH/config.ini
    done

  #Create Ndb.cfg
  echo "Create $CLST_PATH/Ndb.cfg" >> install.log
  echo "host=$MGM_HOST:$MGM_PORT" >> $CLST_PATH/Ndb.cfg
  echo "" >> $CLST_PATH/Ndb.cfg

   echo "Configurations! Cluster programs has been installed successfully."
   echo ""
   echo "1. To start management server(MGM), use the following command:"
   echo "  cd $CLST_PATH"
   echo "  ./ndb_mgmd"
   echo ""
   echo "2. To start stroage node(DB), use the following command:"
   echo "  cd $CLST_PATH"
   echo "  ./ndbd"
   echo ""
   echo "3. To manage the cluster, use the following command:"
   echo "  cd $CLST_PATH"
   echo "  ./ndb_mgm"
   echo ""
   echo "4. Else, nothing to do.;)"
   echo ""
   echo "Enjoy yourself."
 else
   echo "Cluster installation has been stopped, the reason is:";
   echo "  No database server installed."
   echo "So you can not use cluster programs in this machine!"
 fi
fi