Issue 4234 - Migrate Discourse to a Docker-based setup

modules/discourse/manifests/sitesetting.pp

-define discourse::sitesetting(
-  $setting = $title,
-  $value = undef,
-  $type = 1,
-  $ensure = 'present'
-) {
-
-  $escaped_value = postgresql_escape($value)
-  $escaped_setting = postgresql_escape($setting)
-  $escaped_type = postgresql_escape($type)
-
-  case $ensure {
-    default: {
-      err("unknown ensure value ${ensure}")
-    }
-    present: {
-      # This is apparently how you do a conditional INSERT in PostgreSQL - sorry
-      $update_sql = "UPDATE site_settings SET value = $escaped_value, data_type = $escaped_type WHERE name = $escaped_setting RETURNING 1"
-      $columns = "name, data_type, value, created_at, updated_at"
-      $values = "SELECT $escaped_setting, $escaped_type, $escaped_value, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP"
-
-      postgresql_psql {"WITH upd AS ($update_sql) INSERT INTO site_settings ($columns) $values WHERE NOT EXISTS (SELECT * FROM upd)":
-        db => 'discourse',
-        psql_user => 'discourse',
-        notify => Service['discourse'],
-        unless => "SELECT 1 FROM site_settings WHERE name = $escaped_setting AND value = $escaped_value AND data_type = $escaped_type",
-      }
-    }
-    absent: {
-      postgresql_psql {"DELETE FROM site_settings WHERE name = $escaped_setting":
-        db => 'discourse',
-        psql_user => 'discourse',
-        notify => Service['discourse'],
-        unless => "SELECT 1 WHERE NOT EXISTS (SELECT 1 FROM site_settings WHERE name = $escaped_setting)",
-      }
-    }
-  }
-}