[puppet] Make check_mk postgres plugin optional

[Bartłomiej Piotrowski <bpiotrowski src gnome org>]

commit 71d132ecb13ce869e80c875820df27fb339f51f1
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Fri Apr 5 20:17:53 2019 +0200

    Make check_mk postgres plugin optional

 modules/postgresql/manifests/init.pp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/modules/postgresql/manifests/init.pp b/modules/postgresql/manifests/init.pp
index 8f58f237..8d0e2d4b 100644
--- a/modules/postgresql/manifests/init.pp
+++ b/modules/postgresql/manifests/init.pp
@@ -1,4 +1,6 @@
-class postgresql {
+class postgresql (
+        enable_check_mk => 'true',
+) {
 
         package { 'postgresql': ensure => installed, }
         package { 'postgresql-server': ensure => installed, }
@@ -10,9 +12,11 @@ class postgresql {
                 hasstatus => true,
         }
 
-        file { '/usr/share/check-mk-agent/plugins/mk_postgres':
-                ensure => link,
-                target => '/usr/share/check-mk-agent/available-plugins/mk_postgres',
+        if $enable_check_mk == 'true' {
+                file { '/usr/share/check-mk-agent/plugins/mk_postgres':
+                        ensure => link,
+                        target => '/usr/share/check-mk-agent/available-plugins/mk_postgres',
+                }
         }
 }