Split our puppet configuration in two

The 'zulip' module contains the general setup for any server that
will run our app.  The 'zulip-internal' module contains configuration
that is internal to Zulip the company.

(imported from commit 23c99dd889577c2917ddbf76892cf8f6cc66a13e)

scripts/zulip-puppet-apply

@@ -10,10 +10,10 @@ if len(extra_args) and extra_args[0] in ('-f', '--force'):
     force = True
     eatra_args = extra_args[1:]
 
-with open('/etc/humbug-machinetype') as f:
+with open('/etc/zulip/machinetype') as f:
     machinetype = f.readline().strip()
 
-puppet_cmd = ["puppet", "apply", "-e", "class {'zulip': machinetype => '%s'}" % (machinetype,)]
+puppet_cmd = ["puppet", "apply", "-e", "class {'zulip-internal': machinetype => '%s'}" % (machinetype,)]
 puppet_cmd += extra_args
 
 if force:

servers/puppet/modules/zulip-internal/files/cron.d/graphite_backup

@@ -0,0 +1,4 @@
+MAILTO=root
+SHELL=/bin/bash
+
+0 3 * * * zulip /home/zulip/zulip/servers/puppet/modules/zulip-internal/files/graphite/daily_rsync_backup.sh