Set up proper FastCGI environment for Discourse and use nginx

modules/discourse/manifests/init.pp

Index: modules/discourse/manifests/init.pp
===================================================================
--- a/modules/discourse/manifests/init.pp
+++ b/modules/discourse/manifests/init.pp
@@ -28,44 +28,136 @@ class discourse {
   }
 
   package {'bundler':
     ensure => present,
     provider => gem
   }
 
   $gem_dependencies = ['git', 'build-essential', 'ruby1.9.1-dev', 'libxml2-dev',
-                       'libxslt-dev', 'libpq-dev']
+                       'libxslt-dev', 'libpq-dev', 'libfcgi-dev']
   package {$gem_dependencies: ensure => present}
 
-  file {'/etc/discourse': ensure => directory}
+  file {'/opt/discourse':
+    ensure => directory,
+    mode => 755,
+    owner => discourse,
+    group => www-data
+  }
 
-  file {'/etc/discourse/database.yml':
-    mode => 640,
+  file {'/opt/discourse/discourse.fcgi':
+    mode => 755,
+    owner => discourse,
+    group => www-data,
+    source => 'puppet:///modules/discourse/discourse.fcgi',
+    require => Exec['fetch-discourse']
+  }
+
+  file {'/opt/discourse/config/database.yml':
+    mode => 600,
+    owner => discourse,
+    group => www-data,
+    source => 'puppet:///modules/discourse/database.yml',
+    require => Exec['fetch-discourse']
+  }
+
+  file {'/opt/discourse/config/redis.yml':
+    mode => 600,
+    owner => discourse,
+    group => www-data,
+    source => 'puppet:///modules/discourse/redis.yml',
+    require => Exec['fetch-discourse']
+  }
+
+  file {'/usr/local/bin/init-discourse':
+    mode => 0755,
     owner => root,
     group => root,
-    source => 'puppet:///modules/discourse/database.yml'
+    source => 'puppet:///modules/discourse/init-discourse'
   }
 
-  file {'/etc/discourse/redis.yml':
-    mode => 640,
+  user {'discourse':
+    ensure => present,
+    comment => 'Discourse user',
+    home => '/home/discourse',
+    gid => www-data,
+    password => '*',
+    managehome => true
+  }
+
+  file {'/etc/sudoers.d/discourse':
+    ensure => present,
     owner => root,
     group => root,
-    source => 'puppet:///modules/discourse/redis.yml'
+    mode => 0440,
+    source => 'puppet:///modules/discourse/sudoers',
+    require => User['discourse']
   }
 
-  file {'/usr/local/bin/deploy-discourse':
-    mode => 0744,
-    owner => root,
-    group => root,
-    source => 'puppet:///modules/discourse/deploy-discourse'
+  exec {'fetch-discourse':
+    command => "hg clone https://hg.adblockplus.org/discourse /opt/discourse && echo gem \\'fcgi\\' >> /opt/discourse/Gemfile",
+    path => ["/usr/bin/", "/bin/"],
+    user => discourse,
+    group => www-data,
+    require => [Package['mercurial'], File['/opt/discourse']],
+    onlyif => "test ! -d /opt/discourse/.hg"
   }
 
-  exec {'/usr/local/bin/deploy-discourse':
-    subscribe => File['/usr/local/bin/deploy-discourse'],
+  exec {'/usr/local/bin/init-discourse':
+    subscribe => File['/usr/local/bin/init-discourse'],
     refreshonly => true,
+    user => discourse,
+    group => www-data,
     timeout => 0,
+    logoutput => true,
     require => [Package['bundler', 'postgresql-contrib', $gem_dependencies],
-                File['/etc/discourse/database.yml', '/etc/discourse/redis.yml']]
+                User['discourse'], File['/etc/sudoers.d/discourse'],
+                Exec['fetch-discourse'],
+                File['/opt/discourse/discourse.fcgi'],
+                File['/opt/discourse/config/database.yml'],
+                File['/opt/discourse/config/redis.yml']]
   }
 
-  # TODO: Set up thin to run the app, with nginx as a proxy if necessary
+  class {'spawn-fcgi':}
+
+  spawn-fcgi::pool {'discourse-fastcgi':
+    ensure => 'present',
+    user => 'discourse',
+    group => 'www-data',
+    mode => 0664,
+    fcgi_app => '/opt/discourse/discourse.fcgi',
+    socket => '/tmp/discourse-fastcgi.sock',
+    require => File['/opt/discourse/discourse.fcgi'],
+  }
+
+  class {'nginx':
+    worker_processes => 1,
+    worker_connections => 500
+  }
+
+  file {'/etc/nginx/sites-available/adblockplus.org_sslcert.key':
+    ensure => file,
+    notify => Service['nginx'],
+    before => Nginx::Hostconfig['intraforum.adblockplus.org'],
+    require => Package['nginx'],
+    source => 'puppet:///modules/private/adblockplus.org_sslcert.key'
+  }
+
+  file {'/etc/nginx/sites-available/adblockplus.org_sslcert.pem':
+    ensure => file,
+    mode => 0400,
+    notify => Service['nginx'],
+    before => Nginx::Hostconfig['intraforum.adblockplus.org'],
+    require => Package['nginx'],
+    source => 'puppet:///modules/private/adblockplus.org_sslcert.pem'
+  }
+
+  nginx::hostconfig{'intraforum.adblockplus.org':
+    source => 'puppet:///modules/discourse/intraforum.adblockplus.org',
+    enabled => true
+  }
+
+  file {'/etc/logrotate.d/nginx_intraforum.adblockplus.org':
+    ensure => file,
+    require => Nginx::Hostconfig['intraforum.adblockplus.org'],
+    source => 'puppet:///modules/discourse/logrotate'
+  }
 }