#!/usr/bin/python

# prerequsites:

# 1. root filesystem is in a VG.

# 2. extra unpartitioned block device

import dsstst, os, sys

print "- start: " + os.path.basename(__file__)

# The image used later in fill_pool() is only 10GB in size, so make sure the

# docker pool size is smaller than to avoid running out of the space inside

# the image.

dsstst.check_destroy_and_start_all(vg = dsstst.get_rootvg(),

conf='DEVS=' + dsstst.extra + '\nAUTO_EXTEND_POOL=no\nDATA_SIZE=5GB')

if os.path.isfile(dsstst.profile_extend):

print >> sys.stderr, '- warn: docker pool extend profile exists.'

# Use 90% for now due to xfs behaviours badly when the pool is full.

dsstst.fill_pool(percent=0.9, expect=0)

print "- pass: " + os.path.basename(__file__)