コード例 #1
0
#!/usr/bin/python
# prerequsites:
# 1. root filesystem is in a VG.
# 2. have free space in root VG to build up a docker pool.
# 3. additional extra disk
import dsstst, os, sys
print "- start: " + os.path.basename(__file__)
dsstst.check_root()
dsstst.destroy_pool_and_extra_disk()
if len(sys.argv) > 1:
	base = sys.argv[1]
else:
	base = dsstst.base
oldpe = dsstst.get_freepe(base) + dsstst.oldpe
# Fill into 70% of free space to trigger auto-extension.
# XFS has PE Size = 4MB.
size = str(int(4 * oldpe * 0.7)) + 'MB'
vg=dsstst.get_rootvg()
dsstst.conf_and_start_docker(
	conf='DATA_SIZE=' + size + '\nCHUNK_SIZE=1024\nDEVS=' + dsstst.extra)
dsstst.check_chunksize(size=1024, vg=vg)
dsstst.check_percent(
	new = dsstst.get_freepe(base) +
		dsstst.get_freepe(dsstst.pextra), old = oldpe, percent=0.7)
print "- pass: " + os.path.basename(__file__)
コード例 #2
0
#!/usr/bin/python
# prerequsites:
# 1. root filesystem is in a VG.
# 2. have free space in root VG to build up a docker pool.
# 3. additional extra disk
import dsstst, os, sys
print "- start: " + os.path.basename(__file__)
dsstst.check_root()
dsstst.destroy_pool_and_extra_disk()
vg=dsstst.get_rootvg()
if len(sys.argv) > 1:
	base = sys.argv[1]
else:
	base = dsstst.base
oldpe = dsstst.oldpe + dsstst.get_freepe(dev = base)
dsstst.conf_and_start_docker(conf='DATA_SIZE=80%FREE\nDEVS=' + dsstst.extra)
dsstst.check_chunksize(size=512, vg=vg)
dsstst.check_percent(
	new = dsstst.get_freepe(base) + dsstst.get_freepe(dsstst.pextra),
		old = oldpe , percent = 0.8)
print "- pass: " + os.path.basename(__file__)
コード例 #3
0
#!/usr/bin/python
import dsstst, subprocess, os, sys
print "- start: " + os.path.basename(__file__)
# Storage is already configured with devicemapper driver. Can't configure it
# with overlay driver. To override, remove /etc/sysconfig/docker-storage and
# retry.
dsstst.check_root()
dsstst.destroy_pool_and_extra_disk()
if os.path.isfile(dsstst.conf_storage):
	os.remove(dsstst.conf_storage)
dsstst.conf_and_start_docker(conf='STORAGE_DRIVER=overlay')
subprocess.call(['docker', 'pull', 'rhel7'])
if subprocess.call(['docker', 'run', '--rm', 'rhel7', 'grep',
	'^overlay / overlay rw,', '/etc/mtab']) != 0:
	sys.exit("- error: unable to utilize overlayfs.")
print "- pass: " + os.path.basename(__file__)
コード例 #4
0
ファイル: 4-growpart-client.py プロジェクト: rhvgoyal/dsstst
#!/usr/bin/python
# prerequsites:
# 1. root filesystem is on the second partion of a disk.
# 2. virtual disk has been enlarged to $offset (5G by default)
# 3. no GROWPART is set at start.
import dsstst, os, sys
offset = 5000000
dev = 'vda'
print "- start: " + os.path.basename(__file__)
dsstst.check_root_and_destroy_pool()
old = dsstst.get_partsize(dev=dev)
dsstst.conf_and_start_docker('GROWPART=true')
if dsstst.get_partsize(dev=dev) - old <= offset:
	sys.exit('- error: partition growing size is unexpected.')
print "- pass: " + os.path.basename(__file__)