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Mysql Puppet Module
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Puppet module: mysql

This is a Puppet mysql module from the second generation of Example42 Puppet Modules.

Made by Alessandro Franceschi / Lab42

Official site:

Official git repository:

Released under the terms of Apache 2 License.

This module requires functions provided by the Example42 Puppi module.

For detailed info about the logic and usage patterns of Example42 modules read README.usage on Example42 main modules set.

USAGE - Module specific

  • Set a specific (cleartext) mysql root password

    class { "mysql":
      root_password => 'mys4cr3',
  • Set a random password ( saved in /root/.my.cnf )

    class { "mysql":
      root_password => 'auto',          

USAGE - Basic management

  • Install mysql with default settings

    class { "mysql": }
  • Disable mysql service.

    class { "mysql":
      disable => true
  • Disable mysql service at boot time, but don't stop if is running.

    class { "mysql":
      disableboot => true
  • Remove mysql package

    class { "mysql":
      absent => true
  • Enable auditing without without making changes on existing mysql configuration files

    class { "mysql":
      audit_only => true

USAGE - Overrides and Customizations

  • Use custom sources for main config file

    class { "mysql":
      source => [ "puppet:///modules/lab42/mysql/mysql.conf-${hostname}" , "puppet:///modules/lab42/mysql/mysql.conf" ], 
  • Use custom source directory for the whole configuration dir

    class { "mysql":
      source_dir       => "puppet:///modules/lab42/mysql/conf/",
      source_dir_purge => false, # Set to true to purge any existing file not present in $source_dir
  • Use custom template for main config file

    class { "mysql":
      template => "example42/mysql/mysql.conf.erb",      
  • Define custom options that can be used in a custom template without the need to add parameters to the mysql class

    class { "mysql":
      template => "example42/mysql/mysql.conf.erb",    
      options  => {
        'LogLevel' => 'INFO',
        'UsePAM'   => 'yes',
  • Automaticallly include a custom subclass

    class { "mysql:"
      my_class => 'mysql::example42',

USAGE - Example42 extensions management

  • Activate puppi (recommended, but disabled by default) Note that this option requires the usage of Example42 puppi module

    class { "mysql": 
      puppi    => true,
  • Activate puppi and use a custom puppi_helper template (to be provided separately with a puppi::helper define ) to customize the output of puppi commands

    class { "mysql":
      puppi        => true,
      puppi_helper => "myhelper", 
  • Activate automatic monitoring (recommended, but disabled by default) This option requires the usage of Example42 monitor and relevant monitor tools modules

    class { "mysql":
      monitor      => true,
      monitor_tool => [ "nagios" , "monit" , "munin" ],
  • Activate automatic firewalling This option requires the usage of Example42 firewall and relevant firewall tools modules

    class { "mysql":       
      firewall      => true,
      firewall_tool => "iptables",
      firewall_src  => "",
      firewall_dst  => "$ipaddress_eth0",


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