Module: Moonshadow::Manifest::Rails::Postgresql

Included in:
Moonshadow::Manifest::Rails
Defined in:
lib/moonshadow/manifest/rails/postgresql.rb

Overview

To use PostgreSQL, add the following recipes calls to your manifest:

recipe :postgresql_server, :postgresql_gem, :postgresql_user, :postgresql_database

Instance Method Summary collapse

Instance Method Details

#postgresql_database ⇒ Object

Create the database from the current database_environment



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# File 'lib/moonshadow/manifest/rails/postgresql.rb', line 58

def postgresql_database
  exec "postgresql_database",
    :command  => "/usr/bin/createdb -O #{database_environment[:username]} #{database_environment[:database]}",
    :unless   => "/usr/bin/psql -l | grep #{database_environment[:database]}",
    :user     => 'postgres',
    :require  => exec('postgresql_user'),
    :before   => exec('rake tasks'),
    :notify   => exec('rails_bootstrap')
end

#postgresql_gem ⇒ Object

Install the pg rubygem and dependencies



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# File 'lib/moonshadow/manifest/rails/postgresql.rb', line 43

def postgresql_gem
  gem 'pg'
  gem 'postgres'
end

#postgresql_server ⇒ Object

Installs postgresql from apt and enables the postgresql service.



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# File 'lib/moonshadow/manifest/rails/postgresql.rb', line 9

def postgresql_server
  package 'postgresql', :ensure => :installed
  package 'postgresql-client', :ensure => :installed
  package 'postgresql-contrib', :ensure => :installed
  package 'libpq-dev', :ensure => :installed
  service 'postgresql-8.3',
    :ensure     => :running,
    :hasstatus  => true,
    :require    => [
      package('postgresql'),
      package('postgres'),
      package('pg')
    ]
  #ensure the postgresql key is present on the configuration hash
  configure(:postgresql => {})
  file '/etc/postgresql/8.3/main/pg_hba.conf',
    :ensure  => :present,
    :content => template(File.join(File.dirname(__FILE__), 'templates', 'pg_hba.conf.erb')),
    :require => package('postgresql'),
    :mode    => '600',
    :owner   => 'postgres',
    :group   => 'postgres',
    :notify  => service('postgresql-8.3')
  file '/etc/postgresql/8.3/main/postgresql.conf',
    :ensure  => :present,
    :content => template(File.join(File.dirname(__FILE__), 'templates', 'postgresql.conf.erb')),
    :require => package('postgresql'),
    :mode    => '600',
    :owner   => 'postgres',
    :group   => 'postgres',
    :notify  => service('postgresql-8.3')
end

#postgresql_user ⇒ Object

Grant the database user specified in the current database_environment permisson to access the database with the supplied password



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# File 'lib/moonshadow/manifest/rails/postgresql.rb', line 50

def postgresql_user
  psql "CREATE USER #{database_environment[:username]} WITH PASSWORD '#{database_environment[:password]}'",
    :alias    => "postgresql_user",
    :unless   => psql_query('\\\\du') + "| grep #{database_environment[:username]}",
    :require  => service('postgresql-8.3')
end