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Setup MySQL using Puppet

Configuration management with puppet

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Who am I?

• Krishna Prajapati, MySQL Engineer at Olindata

http://www.olindata.com/

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Overview

• What is puppet (for those not aware)?• What is MySQL?

• Puppet Module selection

• Install puppet module

• Deploying MySQL client

• Deploying MySQL Server

• MySQL Management: database, user, grants

• Questions

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What is Puppet and why do we care?

• Configuration management software- http://www.olindata.com/blog/2014/08/puppet-master-agent-setup- http://www.olindata.com/blog/2014/09/setup-puppet-master-passenger-and-

apache-centos

• Scales very well (from 1 to 200k+ nodes)

• Multi-platform (windows, *nix, Mac OS, BSD)

• Commercially supported Open Source

• Infrastructure as code

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What is MySQL ?

• MySQL is a relational database management system(RDBMS)

• Opensource

• Multi-platform (windows, *nix, Mac OS, BSD)

• MySQL Flavours

- Percona

- MariaDB

• Central component of the widely used LAMP

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1. Puppet forge https://forge.puppetlabs.com/

2. Supported modules.

https://forge.puppetlabs.com/supported

3. Repositories included in Linux Distributions

Puppet Module selection?

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Install puppet module[root@master]# puppet module search mysqlNotice: Searching https://forgeapi.puppetlabs.com ...NAME DESCRIPTION AUTHOR KEYWORDS puppetlabs-mysql Mysql module @puppetlabs mysql centos rhel ubuntu

debianalkivi-mysql Control MySQL server and allow database/user creation @alkivi debian mysql

database example42-mysql Puppet module for mysql @example42

example42 mysql ...devopera-domysqldb MySQL installation and configuration module@devopera ubuntu rhel centos mysqld

mysqljlondon-surrogate Puppet module to install Surrogate, an xtrabackup script @jlondon

redhat ubuntu debian mysql[root@master]#

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Install puppet module[root@master]# puppet module install puppetlabs-mysqlNotice: Preparing to install into /etc/puppet/modules ...Notice: Downloading from https://forgeapi.puppetlabs.com ...Notice: Installing -- do not interrupt .../etc/puppet/modules└─┬ puppetlabs-mysql (v2.3.1)

└── puppetlabs-stdlib (v4.3.2)[root@master]#

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MySQL Client

Deploying mysql client is very straight forward.

/etc/puppet/manifests/site.ppnode 'client.olindata.com' {

class { 'mysql::client': }

}

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MySQL Server

Deploying mysql server is as simple as including mysql server

class.

/etc/puppet/modules/profile/manifests/mysql.pp

class profile::mysql {

class { '::mysql::server':root_password => 'strongpassword',override_options => { 'mysqld' => {

'max_connections' => '1024' } }}

}

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/etc/puppet/modules/role/manifests/database.pp

class role::database {

include profile::mysql

}

/etc/puppet/manifests/site.ppnode 'client.olindata.com' {

class { 'mysql::client': }}

node 'server.olindata.com' {include role::database

}

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Creating mysql database

• MySQL Server alone is nothing without mysql database.

/etc/puppet/modules/profile/manifests/mysql.pp

mysql::db { 'mydb':

user => 'admin',

password => 'secret',

host => 'client.olindata.com ',

}

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MySQL User• We need to configure user and grants, so we are able to

provide permissions to the state of the table.

/etc/puppet/modules/profile/manifests/mysql.pp

mysql_user { 'root@127.0.0.1':

ensure => 'present',

max_connections_per_hour => '100',

max_queries_per_hour => '200',

max_updates_per_hour => '200',

max_user_connections => '80',

}

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MySQL Grants• Grants are the privileges, provided to access the

database/tables

/etc/puppet/modules/profile/manifests/mysql.pp

mysql_grant { 'root@localhost/*.*':

ensure => 'present',

options => ['GRANT'],

privileges => ['ALL'],

table => '*.*',

user => 'root@localhost',

}

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• Other mysql flavours like MariaDB, Percona can be installed with the existing module ‘puppetlabs-mysql’

/etc/puppet/modules/profile/manifests/mysql.ppclass profile::mysql {

class { '::mysql::server':

package_ensure => 'present',

package_name => 'mariadb-server',

}}

MySQL Flavour Install

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Upcoming training

• Puppet Fundamentals Training, Barcelona

Monday, November 24, 2014

• Puppet Fundamentals Training, Hyderabad

Monday, November 24, 2014

• Puppet Fundamentals Training, Pune

Monday, December 1, 2014

• Puppet Fundamentals Training, Singapore

Wednesday, December 17, 2014

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Previous Webinars

Managing files with puppet

• by our CEO Walter Heck

• Link: https://www.youtube.com/watch?v=7fjwrOGRnSc

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We’re hiring!EU and Asia based trainers

jobs@olindata.com

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Questions?

@krishna / @olindata

http://www.olindata.com

krishna@olindata.com

http://github.com/olindata