Puppet Class: graphite::install

Inherits:
graphite::params
Defined in:
manifests/install.pp

Overview

Class: graphite::install

This class installs graphite packages via pip

Parameters

None.



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# File 'manifests/install.pp', line 9

class graphite::install inherits graphite::params {
  # # Validate
  if $caller_module_name != $module_name {
    fail("Use of private class ${name} by ${caller_module_name}")
  }

  if $::graphite::gr_pip_install and $::osfamily == 'RedHat' {
    validate_re($::operatingsystemrelease, '^[6-7]\.\d+|^20\d{2}.\d{2}', "Unsupported RedHat release: '${::operatingsystemrelease}'"
    )
  }

  # # Set class variables
  $gr_pkg_provider = $::graphite::gr_pip_install ? {
    true    => 'pip',
    default => undef,
  }

  if $::graphite::gr_manage_python_packages {
    $gr_pkg_require = $::graphite::gr_pip_install ? {
      true    => [
        Package[$::graphite::params::graphitepkgs],
        Package[$::graphite::params::python_pip_pkg],
        Package[$::graphite::params::python_dev_pkg],
        ],
      default => [Package[$::graphite::params::graphitepkgs]],
    }
  } else {
    $gr_pkg_require = [Package[$::graphite::params::graphitepkgs]]
  }

  # # Manage resources

  # for full functionality we need these packages:
  # madatory: python-cairo, python-django, python-twisted,
  #           python-django-tagging, python-simplejson
  # optional: python-ldap, python-memcache, memcached, python-sqlite

  ensure_packages($::graphite::params::graphitepkgs)

  create_resources('package', {
    'carbon'         => {
      ensure  => $::graphite::gr_carbon_ver,
      name    => $::graphite::gr_carbon_pkg,
      source  => $::graphite::gr_carbon_source,
    }
    ,
    'django-tagging' => {
      ensure => $::graphite::gr_django_tagging_ver,
      name   => $::graphite::gr_django_tagging_pkg,
      source => $::graphite::gr_django_tagging_source,
    }
    ,
    'graphite-web'   => {
      ensure => $::graphite::gr_graphite_ver,
      name   => $::graphite::gr_graphite_pkg,
      source => $::graphite::gr_graphite_source,
    }
    ,
    'twisted'        => {
      ensure => $::graphite::gr_twisted_ver,
      name   => $::graphite::gr_twisted_pkg,
      source => $::graphite::gr_twisted_source,
      before => [Package['txamqp'], Package['carbon'],],
    }
    ,
    'txamqp'         => {
      ensure => $::graphite::gr_txamqp_ver,
      name   => $::graphite::gr_txamqp_pkg,
      source => $::graphite::gr_txamqp_source,
      before => [
        Package['carbon'],
        ],
    }
    ,
    'whisper'        => {
      ensure => $::graphite::gr_whisper_ver,
      name   => $::graphite::gr_whisper_pkg,
      source => $::graphite::gr_whisper_source,
    }
    ,
  }
  , {
    provider        => $gr_pkg_provider,
    require         => $gr_pkg_require,
    install_options => $gr_pkg_provider ? {
      'pip'   => $::graphite::params::pip_install_options,
      default => undef,
    },
  }
  )

  if $::graphite::gr_django_pkg {
    $django_install_options = $::graphite::gr_django_provider ? {
      'pip'   => $::graphite::params::pip_install_options,
      default => undef,
    }
    package { $::graphite::gr_django_pkg:
      ensure          => $::graphite::gr_django_ver,
      provider        => $::graphite::gr_django_provider,
      source          => $::graphite::gr_django_source,
      require         => $gr_pkg_require,
      install_options => $django_install_options,
    }
  }

  if $::graphite::gr_pip_install {
    # using the pip package provider requires python-pip
    # also install python headers and libs for pip
    if $::graphite::gr_manage_python_packages {
      ensure_packages(flatten([$::graphite::params::python_pip_pkg, $::graphite::params::python_dev_pkg,]))
    }

    # hack unusual graphite install target
    $carbon = "\"carbon-\"*\"-py${::graphite::params::pyver}.egg-info\""
    $gweb = "\"graphite_web-\"*\"-py${::graphite::params::pyver}.egg-info\""
    create_resources('exec', {
      'carbon_hack' => {
        command => "ln -s \"${::graphite::base_dir_REAL}/lib/\"${carbon} \"${::graphite::params::libpath}/\""
      }
      ,
      'gweb_hack'   => {
        command => "ln -s \"${::graphite::base_dir_REAL}/webapp/\"${gweb} \"${::graphite::params::libpath}/\""
      }
      ,
    }
    , {
      refreshonly => true,
      subscribe   => Package['carbon', 'graphite-web', 'whisper'],
      provider    => 'shell',
    }
    )
  }
}