[manual] Move puppet modules to the top level

The new puppet.conf file has to be moved into place manually.

(imported from commit 253d9a95386dae8c803a998ce2dc7e8be40c880a)

puppet/zulip-internal/files/postgresql/setup_disks.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+umount /mnt
+yes | mdadm --create /dev/md0 --raid-devices=2 --level=1 /dev/xvdb /dev/xvdc
+
+blockdev --setra 4096 /dev/xvdb
+blockdev --setra 4096 /dev/xvdc
+blockdev --setra 4096 /dev/md0
+echo deadline > /sys/block/xvdb/queue/scheduler
+echo deadline > /sys/block/xvdc/queue/scheduler
+
+mkfs.xfs /dev/md0
+echo "/dev/md0   /srv  xfs    noatime,barrier 1 1" >> /etc/fstab
+mount /srv
+
+pg_ctlcluster 9.1 main stop
+mv /var/lib/postgresql /srv
+ln -s /srv/postgresql/ /var/lib
+
+mv /tmp /srv
+mkdir /tmp
+mount --bind /srv/tmp /tmp
+echo "/srv/tmp   /tmp  bind   defaults,bind 0 0" >> /etc/fstab
+pg_ctlcluster 9.1 main start