Allow keeping repo files since initially created

This change allows us to keep the file initially created, to avoid
unexepcted changes caused by update in source repository.

Change-Id: Ib7fd9de5ee4d355f3b34430d37963ed8f8325498
(cherry picked from commit ab73512f6f)

manifests/repo/redhat/redhat.pp

@@ -35,6 +35,10 @@
 #   (optional) A hash of repo files
 #   Defaults to {}
 #
+# [*repo_replace*]
+#   (optional) Replace repo files when their contents are changed
+#   Defaults to true
+#
 # [*repo_defaults*]
 #   (optional) The defaults for the yumrepo resources that will be
 #   created using create_resource.
@@ -81,6 +85,7 @@ class openstack_extras::repo::redhat::redhat(
   $manage_epel       = false,
   $repo_hash         = {},
   $repo_source_hash  = {},
+  $repo_replace      = true,
   $repo_defaults     = {},
   $gpgkey_hash       = {},
   $gpgkey_defaults   = {},
@@ -185,6 +190,7 @@ class openstack_extras::repo::redhat::redhat(
       path    => "/etc/yum.repos.d/${filename}",
       source  => $url,
       notify  => Exec['yum_refresh'],
+      replace => $repo_replace,
     }
   }
 

releasenotes/notes/repo-redhat-replace-9d475450f304ad94.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    The new ``openstack_extras::repo::redhat::redhat::repo_replace`` parameter
+    has been added to enable or disable file replacement when original repo
+    files are updated.