scripts/mysql_randompw

   1 #!/bin/sh
   2 ### BEGIN INIT INFO
   3 # Provides:          mysql_randompw
   4 # Required-Start:    $local_fs mysql
   5 # Required-Stop:
   6 # X-Start-Before:
   7 # Default-Start:     2
   8 # Default-Stop:
   9 # Short-Description: Generate random MySQL root password
  10 # Description:       Generate and set a random MySQL root password
  11 ### END INIT INFO
  12
  13 set -e
  14
  15 HNAME=`head -n 1 /etc/hostname|awk '{ print $1; }'`
  16
  17 if [ "X${HNAME}" = "Xlocalhost" ] ; then
  18     exit 0;
  19 fi
  20
  21 echo "Generate random MySQL root password"
  22
  23 # set HOME dir (for .my.cfg)
  24 export HOME=/root
  25 export USER=root
  26
  27 UPASSWD=`openssl rand -base64 9`
  28 mysqladmin password "${UPASSWD}"
  29
  30 cat <<EOF  > /root/.my.cnf
  31 [client]
  32 user=root
  33 password="${UPASSWD}"
  34 EOF
  35
  36 chmod 0600 /root/.my.cnf
  37
  38 if [ -x /sbin/insserv ] ; then
  39     /sbin/insserv -r mysql_randompw
  40     rm -f /etc/init.d/mysql_randompw
  41 else
  42     rm -f /etc/init.d/mysql_randompw
  43     update-rc.d -f mysql_randompw remove
  44 fi