Add support to manage backup cron job

manifests/config.pp

@@ -71,6 +71,9 @@
   $gitlab_workhorse = $::gitlab::gitlab_workhorse
   $user = $::gitlab::user
   $web_server = $::gitlab::web_server
+  $backup_cron_enable = $::gitlab::backup_cron_enable
+  $backup_cron_minute = $::gitlab::backup_cron_minute
+  $backup_cron_hour = $::gitlab::backup_cron_hour
 
   # replicate $nginx to $mattermost_nginx if $mattermost_nginx_eq_nginx true
   if $mattermost_nginx_eq_nginx {
@@ -170,4 +173,12 @@
       mode    => '0644',
     }
   }
+
+  if $backup_cron_enable {
+    cron {'gitlab backup':
+      command => '/usr/bin/gitlab-rake gitlab:backup:create CRON=1',
+      hour    => $backup_cron_hour,
+      minute  => $backup_cron_minute,
+    }
+  }
 }

manifests/init.pp

@@ -291,6 +291,18 @@
 #   Default: undef
 #   Hash of 'high_availability' config parameters.
 #
+# [*backup_cron_enable*]
+#   Default: false
+#   Boolean to enable the daily backup cron job
+#
+# [*backup_cron_minute*]
+#   Default: 0
+#   The minute when to run the daily backup cron job
+#
+# [*backup_cron_hour*]
+#   Default: 2
+#   The hour when to run the daily backup cron job
+#
 # === Examples
 #
 #  class { 'gitlab':
@@ -387,6 +399,9 @@
   $gitlab_workhorse = undef,
   $user = undef,
   $web_server = undef,
+  $backup_cron_enable = false,
+  $backup_cron_minute = 0,
+  $backup_cron_hour = 2,
   $custom_hooks = {},
 ) inherits ::gitlab::params {
 
@@ -451,6 +466,9 @@
   if $web_server { validate_hash($web_server) }
   if $high_availability { validate_hash($high_availability) }
   if $manage_accounts { validate_hash($manage_accounts) }
+  validate_bool($backup_cron_enable)
+  validate_integer($backup_cron_minutei,59)
+  validate_integer($backup_cron_hour,23)
   validate_hash($custom_hooks)
 
   class { '::gitlab::install': } ->
@@ -460,7 +478,7 @@
   contain gitlab::install
   contain gitlab::config
   contain gitlab::service
-
+ 
   create_resources(gitlab::custom_hook, $custom_hooks)
 
 }