nova/tools/xenserver/destroy_cached_images.py
Anusha Unnam 424ab495e7 Config options: Centralize xenapi driver options
The config options of
"nova/virt/xenapi/driver.py" got moved
to the new central location
"nova/conf/xenserver.py”

Change-Id: I87f6163c7a3b69ef8ede947132b771f32742781e
Implements: blueprint centralize-config-options-newton
2016-04-05 16:34:02 +00:00

70 lines
2.0 KiB
Python

"""
destroy_cached_images.py
This script is used to clean up Glance images that are cached in the SR. By
default, this script will only cleanup unused cached images.
Options:
--dry_run - Don't actually destroy the VDIs
--all_cached - Destroy all cached images instead of just unused cached
images.
"""
import eventlet
eventlet.monkey_patch()
import os
import sys
from oslo_config import cfg
# If ../nova/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
os.pardir,
os.pardir,
os.pardir))
if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'nova', '__init__.py')):
sys.path.insert(0, POSSIBLE_TOPDIR)
import nova.conf
from nova import config
from nova import utils
from nova.virt.xenapi.client import session
from nova.virt.xenapi import vm_utils
destroy_opts = [
cfg.BoolOpt('all_cached',
default=False,
help='Destroy all cached images instead of just unused cached'
' images.'),
cfg.BoolOpt('dry_run',
default=False,
help='Don\'t actually delete the VDIs.')
]
CONF = nova.conf.CONF
CONF.register_cli_opts(destroy_opts)
def main():
config.parse_args(sys.argv)
utils.monkey_patch()
_session = session.XenAPISession(CONF.xenserver.connection_url,
CONF.xenserver.connection_username,
CONF.xenserver.connection_password)
sr_ref = vm_utils.safe_find_sr(_session)
destroyed = vm_utils.destroy_cached_images(
_session, sr_ref, all_cached=CONF.all_cached,
dry_run=CONF.dry_run)
if '--verbose' in sys.argv:
print '\n'.join(destroyed)
print "Destroyed %d cached VDIs" % len(destroyed)
if __name__ == "__main__":
main()