Installazione di MySQL Proxy su CentOS 5 (FINAL) x86_64

yum install gcc.x86_64 libevent.x86_64 libevent-devel.x86_64 readline.x86_64 readline-devel.x86_64 ncurses.x86_64 ncurses-devel.x86_64 glib2.x86_64 glib2-devel.x86_64

cd /usr/local/src/

wget http://www.lua.org/ftp/lua-5.1.3.tar.gz  
tar zxvf lua-5.1.3.tar.gz

cd lua-5.1.3  
make linux  
make install

wget http://dev.mysql.com/get/Downloads/MySQL-Cluster-6.2/mysql-5.1.23-ndb-6.2.15-linux-x86_64-glibc23.tar.gz/\
from/http://www.mirrorservice.org/sites/ftp.mysql.com/

tar xzvf mysql-5.1.23-ndb-6.2.15-linux-x86_64-glibc23.tar.gz  
ln -s mysql-5.1.23-ndb-6.2.15-linux-x86_64-glibc23 mysql  
  
PATH=$PATH:/usr/local/mysql/bin  
export PATH

# .bash_profile
   
# Ottieni gli alias e le funzioni
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi
 
# Ambiente specifico per l'utente e programmi di avvio
 
PATH=$PATH:/usr/local/mysql/bin:$HOME/bin
 
export PATH
unset USERNAME

wget http://dev.mysql.com/get/Downloads/MySQL-Proxy/mysql-proxy-0.6.1.tar.gz/from/http://www.mirrorservice.org/sites/ftp.mysql.com/

tar zxvf mysql-proxy-0.6.1.tar.gz  
cd mysql-proxy-0.6.1

./configure  LDFLAGS="-lm -ldl" LUA_CFLAGS="-I/usr/local/include/" LUA_LIBS=/usr/local/lib/liblua.a

make  
make install

mkdir /var/log/mysql-proxy/  
mkdir -p /usr/local/mysql/lua-scripts/

vi /usr/local/mysql/lua-scripts/simple-log.lua

local log_file = '/var/log/mysql-proxy/mysql.log'
local fh = io.open(log_file, "a+")
 
function read_query( packet )
 if string.byte(packet) == proxy.COM_QUERY then
   local query = string.sub(packet, 2)
   fh:write( string.format("%s %6d -- %s :IP %s :USER: %s\n",
   os.date('%Y-%m-%d %H:%M:%S'),
   proxy.connection.server.thread_id,
   query,
   proxy.connection.client.address,
   proxy.connection.client.username))
  fh:flush()
 end
end

/usr/local/sbin/mysql-proxy --proxy-lua-script=/usr/local/mysql/lua-scripts/simple-log.lua --proxy-backend-addresses=192.168.1.33:3306 --proxy-backend-addresses=192.168.1.34:3306 --daemon

### CONSENTITO A CONNETTERSI A MYSQL PROXY
###
### AMMINISTRATORI LOCALI
-A INPUT -s SRC-IP -d DST-IP -p tcp -m state --state NEW -m tcp --dport 4040 -j ACCEPT

mysql -u dba_admin -p -h PROXY-SERVER -P 4040

Benvenuto nel monitor MySQL.  I comandi terminano con ; o \g.  
Il tuo ID di connessione MySQL è 16 al server versione: 5.1.23-ndb-6.2.15  
  
Digita 'help;' o '\h' per aiuto. Digita '\c' per cancellare il buffer.

mysql> show databases;

+--------------------+  
| Database           |  
+--------------------+  
| information_schema |  
| Imap_Forms         |  
| mysql              |  
| test               |  
+--------------------+  
4 righe nel set (0.01 sec)

mysql> quit

Addio

mysql -u root -p -h 127.0.0.1 -P 4041

Benvenuto nel monitor MySQL.  I comandi terminano con ; o \g.  
Il tuo ID di connessione MySQL è 1  
Versione del server: 5.1.20-agent MySQL Enterprise Agent  
  
Digita 'help;' o '\h' per aiuto. Digita '\c' per cancellare il buffer.

mysql> select * from proxy_connections;

+------+--------+-------+------+  
| id   | type   | state | db   |  
+------+--------+-------+------+  
|    0 | server | 0     |      |  
|    1 | proxy  | 0     |      |  
|    2 | server | 10    |      |  
+------+--------+-------+------+  
3 righe nel set (0.00 sec)

mysql>quit

addio