Module: Blue::Postgresql

Defined in:
lib/blue/postgresql.rb,
lib/blue/postgresql/version.rb

Constant Summary collapse

VERSION = 
"0.0.6"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/blue/postgresql.rb', line 85

def self.included(klass)
  klass.add_role(:db)
  klass.add_role(:postgresql)
  klass.class_eval do
    recipe :postgresql
  end
end

Instance Method Details

#postgresql(options = {}) ⇒ Object 



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# File 'lib/blue/postgresql.rb', line 14

def postgresql(options = {})
  file "/etc/apt/sources.list.d/pgdg.list",
    :ensure  => :present,
    :content => "deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main"

  exec 'get gpg key',
    :command => "wget --quiet -O - http://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | sudo apt-key add -",
    :require => file("/etc/apt/sources.list.d/pgdg.list"),
    :unless => "test -x /usr/bin/psql"

  exec 'apt-get update',
    :command => 'apt-get update',
    :require => exec("get gpg key"),
    :unless => "test -x /usr/bin/psql"


  packages = ["postgresql-#{Blue.config.postgresql.version}", "postgresql-client-#{Blue.config.postgresql.version}", "postgresql-contrib-#{Blue.config.postgresql.version}", "libpq-dev"]
  packages.each do |pkg|
    package pkg,
      :ensure => :installed,
      :require => exec("apt-get update")
  end

  file "/etc/postgresql/#{Blue.config.postgresql.version}/main/pg_hba.conf",
    :ensure  => :present,
    :content => template(File.join(File.dirname(__FILE__), '..', '..', 'templates', 'pg_hba.conf.erb'), binding),
    :require => package("postgresql-#{Blue.config.postgresql.version}"),
    :mode    => '600',
    :owner   => 'postgres',
    :group   => 'postgres',
    :notify  => service("postgresql-#{Blue.config.postgresql.version}")

  file "/etc/postgresql/#{Blue.config.postgresql.version}/main/postgresql.conf",
    :ensure  => :present,
    :content => template(File.join(File.dirname(__FILE__), '..', '..', 'templates', 'postgresql.conf.erb'), binding),
    :require => package("postgresql-#{Blue.config.postgresql.version}"),
    :mode    => '600',
    :owner   => 'postgres',
    :group   => 'postgres',
    :notify  => service("postgresql-#{Blue.config.postgresql.version}")

  service "postgresql",
    :alias      => "postgresql-#{Blue.config.postgresql.version}",
    :hasstatus  => true,
    :require    => packages.map{|pkg| package(pkg)}

  psql "CREATE USER #{Blue.config.database.username} WITH PASSWORD '#{Blue.config.database.password}'",
    :alias    => "postgresql_user",
    :unless   => psql_query('\\\\du') + "| grep #{Blue.config.database.username}",
    :require  => service("postgresql")

  exec "postgresql_database",
    :command  => "/usr/bin/createdb -O #{Blue.config.database.username} #{Blue.config.database.database}",
    :unless   => "/usr/bin/psql -l | grep #{Blue.config.database.database}",
    :user     => 'postgres',
    :require  => exec('postgresql_user')
end

#psql(query, options = {}) ⇒ Object 



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# File 'lib/blue/postgresql.rb', line 72

def psql(query, options = {})
  name = options.delete(:alias) || "psql #{query}"
  hash = {
    :command => psql_query(query),
    :user => 'postgres'
  }.merge(options)
  exec(name,hash)
end

#psql_query(sql) ⇒ Object 



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# File 'lib/blue/postgresql.rb', line 81

def psql_query(sql)
  %(/usr/bin/psql -c "#{sql}")
end