diff -r d8a8c57f36c4 -r bf1bc6b08c46 dev/provisioning/modules/drush/manifests/alias.pp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dev/provisioning/modules/drush/manifests/alias.pp	Tue Oct 18 14:38:56 2016 +0200
@@ -0,0 +1,60 @@
+define drush::alias(
+  $ensure                  = present,
+  $alias_name              = $name,
+  $group                   = undef,
+  $parent                  = undef,
+  $root                    = undef,
+  $uri                     = undef,
+  $db_url                  = undef,
+  $path_aliases            = undef,
+  $ssh_options             = undef,
+  $remote_host             = undef,
+  $remote_user             = undef,
+  $custom_options          = undef,
+  $command_specific        = undef,
+  $source_command_specific = undef,
+  $target_command_specific = undef,
+) {
+
+  if (!defined(Class['drush'])) {
+    fail('You must include class drush before declaring aliases')
+  }
+
+  if $root {
+    validate_absolute_path($root)
+  }
+  if $parent {
+    validate_re($parent, '^@',
+    "Invalid parent alias '${parent}'. Parent aliases must start with @.")
+  }
+  if $custom_options {
+    validate_hash($custom_options)
+  }
+  if $command_specific {
+    validate_hash($command_specific)
+  }
+
+  $aliasfile = $group ? {
+    undef   => '/etc/drush/aliases.drushrc.php',
+    default => "/etc/drush/${group}.aliases.drushrc.php",
+  }
+
+  if !defined(Concat[$aliasfile]) {
+    concat{ $aliasfile:
+      ensure => $ensure,
+    }
+    concat::fragment { "${aliasfile}-header":
+      target  => $aliasfile,
+      content => "<?php\n#MANAGED BY PUPPET!\n\n",
+      order   => 0,
+    }
+  }
+
+  concat::fragment { "${aliasfile}-${name}":
+    target  => $aliasfile,
+    content => template('drush/alias.erb'),
+    order   => 1,
+  }
+
+}
+