Move local replication directory and repack to module

In this module we are already asking for replicate_local
and local_git_dir parameters, but we are not fully using them.
Move local git directory creation and mirror repack to
puppet-gerrit module to provide this needed feature.

Depends-On: Ie21642c75ec5f3ccd21528c094ff4d34970e5564
Change-Id: I24bb90e9fefa2eb60da65cbf24ab1f3b2be54dd7

manifests/cron.pp

@@ -1,6 +1,9 @@
 # == Class: gerrit::cron
 #
-class gerrit::cron {
+class gerrit::cron (
+  $replicate_local = true,
+  $replicate_path = '/opt/lib/git',
+) {
 
   cron { 'gerrit_repack':
     user        => 'gerrit2',
@@ -11,6 +14,18 @@ class gerrit::cron {
     environment => 'PATH=/usr/bin:/bin:/usr/sbin:/sbin',
   }
 
+  # if local replication is enabled, repack this mirror as well
+  if $replicate_local {
+    cron { 'mirror_repack_local':
+      user        => 'gerrit2',
+      weekday     => '0',
+      hour        => '4',
+      minute      => '17',
+      command     => "find ${replicate_path} -type d -name \"*.git\" -print -exec git --git-dir=\"{}\" repack -afd \\;",
+      environment => 'PATH=/usr/bin:/bin:/usr/sbin:/sbin',
+    }
+  }
+
   cron { 'expireoldreviews':
     ensure => 'absent',
     user   => 'gerrit2',

manifests/init.pp

@@ -788,4 +788,12 @@ class gerrit(
       require => File['/home/gerrit2/review_site/lib'],
     }
   }
+
+  # create local replication directory if needed
+  if $replicate_local {
+    file { $replicate_path:
+      ensure => directory,
+      owner  => 'gerrit2',
+    }
+  }
 }