# == Class: zuul
#
class zuul (
  $vhost_name = $::fqdn,
  $serveradmin = "webmaster@${::fqdn}",
  $jenkins_server = '',
  $jenkins_user = '',
  $jenkins_apikey = '',
  $gerrit_server = '',
  $gerrit_user = '',
  $zuul_ssh_private_key = '',
  $url_pattern = '',
  $status_url = "https://${::fqdn}/",
  $git_source_repo = 'https://github.com/openstack-infra/zuul.git',
  $push_change_refs = false,
  $statsd_host = ''
) {
  include apache

  $packages = [
    'python-webob',
    'python-lockfile',
    'python-paste',
  ]

  package { $packages:
    ensure => present,
  }

  # A lot of things need yaml, be conservative requiring this package to avoid
  # conflicts with other modules.
  if ! defined(Package['python-yaml']) {
    package { 'python-yaml':
      ensure => present,
    }
  }

  if ! defined(Package['python-paramiko']) {
    package { 'python-paramiko':
      ensure   => present,
    }
  }

  if ! defined(Package['python-daemon']) {
    package { 'python-daemon':
      ensure => present,
    }
  }

  package { 'statsd':
    ensure   => latest,  # okay to use latest for pip
    provider => pip,
    require  => Class[pip],
  }

  user { 'zuul':
    ensure     => present,
    home       => '/home/zuul',
    shell      => '/bin/bash',
    gid        => 'zuul',
    managehome => true,
    require    => Group['zuul'],
  }

  group { 'zuul':
    ensure => present,
  }

  # Packages that need to be installed from pip
  $pip_packages = [
    'GitPython',
    'extras'
  ]

  package { $pip_packages:
    ensure   => latest,  # we want the latest from these
    provider => pip,
    require  => Class['pip'],
  }

  vcsrepo { '/opt/zuul':
    ensure   => latest,
    provider => git,
    revision => 'master',
    source   => $git_source_repo,
  }

  exec { 'install_zuul' :
    command     => 'python setup.py install',
    cwd         => '/opt/zuul',
    path        => '/bin:/usr/bin',
    refreshonly => true,
    subscribe   => Vcsrepo['/opt/zuul'],
  }

  file { '/etc/zuul':
    ensure => directory,
  }

# TODO: We should put in  notify either Service['zuul'] or Exec['zuul-reload']
#       at some point, but that still has some problems.
  file { '/etc/zuul/zuul.conf':
    ensure  => present,
    owner   => 'zuul',
    mode    => '0400',
    content => template('zuul/zuul.conf.erb'),
    require => [
      File['/etc/zuul'],
      User['zuul'],
    ],
  }

  file { '/etc/default/zuul':
    ensure  => present,
    mode    => '0444',
    content => template('zuul/zuul.default.erb'),
  }

  file { '/var/log/zuul':
    ensure  => directory,
    owner   => 'zuul',
    require => User['zuul'],
  }

  file { '/var/run/zuul':
    ensure  => directory,
    owner   => 'zuul',
    require => User['zuul'],
  }

  file { '/var/lib/zuul':
    ensure  => directory,
    owner   => 'zuul',
    require => User['zuul'],
  }

  file { '/var/lib/zuul/git':
    ensure  => directory,
    owner   => 'zuul',
    require => File['/var/lib/zuul'],
  }

  file { '/var/lib/zuul/ssh':
    ensure  => directory,
    owner   => 'zuul',
    group   => 'zuul',
    mode    => '0500',
    require => File['/var/lib/zuul'],
  }

  file { '/var/lib/zuul/ssh/id_rsa':
    owner   => 'zuul',
    group   => 'zuul',
    mode    => '0400',
    require => File['/var/lib/zuul/ssh'],
    content => $zuul_ssh_private_key,
  }

  file { '/etc/init.d/zuul':
    ensure => present,
    owner  => 'root',
    group  => 'root',
    mode   => '0555',
    source => 'puppet:///modules/zuul/zuul.init',
  }

  exec { 'zuul-reload':
    command     => '/etc/init.d/zuul reload',
    require     => File['/etc/init.d/zuul'],
    refreshonly => true,
  }

  service { 'zuul':
    name       => 'zuul',
    enable     => true,
    hasrestart => true,
    require    => File['/etc/init.d/zuul'],
  }

  apache::vhost { $vhost_name:
    port     => 443,
    docroot  => 'MEANINGLESS ARGUMENT',
    priority => '50',
    template => 'zuul/zuul.vhost.erb',
  }
  a2mod { 'rewrite':
    ensure => present,
  }
  a2mod { 'proxy':
    ensure => present,
  }
  a2mod { 'proxy_http':
    ensure => present,
  }

}