diff --git a/manifests/main/dirs.pp b/manifests/main/dirs.pp
index ba46ea2..e0893e8 100644
--- a/manifests/main/dirs.pp
+++ b/manifests/main/dirs.pp
@@ -6,7 +6,7 @@
 class prometheus_cd::main::dirs (
 ) inherits prometheus_cd::params {
   require prometheus_cd::main::install
-  if ($ps_prom_host == $fqdn) and ($manage_prometheus == true)  {
+  if ($ps_prom_host == $fqdn) and ($manage_prometheus == true) {
     # prometheus directory
     file { $ps_main_dir:
       ensure   => directory,
@@ -18,7 +18,7 @@ class prometheus_cd::main::dirs (
       seltype  => etc_t,
       seluser  => system_u,
     }
-    # service systemfile directory
+    # service system file directory
     file { $ps_system_file_dir:
       ensure   => directory,
       owner    => 'root',
@@ -29,5 +29,22 @@ class prometheus_cd::main::dirs (
       seltype  => systemd_unit_file_t,
       seluser  => unconfined_u,
     }
+    if $ps_write_external == true {
+      file { $ps_pruning_dir:
+        ensure   => directory,
+        owner    => 'prometheus',
+        group    => 'prometheus',
+        mode     => '0755',
+        selrange => s0,
+        selrole  => object_r,
+        seltype  => usr_,
+        seluser  => unconfined_u,
+      }
+    }
+    if $ps_write_external == false {
+      file { $ps_pruning_dir:
+        ensure   => absent,
+      }
+    }
   }
 }
diff --git a/manifests/params.pp b/manifests/params.pp
index 8c88892..0545c43 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -28,6 +28,7 @@
 # @param [String] ps_auth_ext_user user for writing to extern instance
 # @param [String] ps_auth_ext_pass password for writing to extern instance
 # @param [String] ps_external_url the full url for the remote write point
+# @param [String] ps_pruning_dir the directory for the pruning script
 ##############################################################################
 class prometheus_cd::params (
 
@@ -71,7 +72,10 @@ class prometheus_cd::params (
 
   # remote write external
   Boolean $ps_write_external    = false,
-  String $ps_external_url       = 'http://change.local',
+  String $ps_external_url       = 'http://changeme.local/write',
+
+  # pruning script
+  String $ps_pruning_dir        = '/opt/prometheus-prune'
 
 ) {
   # defaults