**** CubicPower OpenStack Study ****
def extract_password(instance):
result = ''
sys_meta = utils.instance_sys_meta(instance)
for key in sorted(sys_meta.keys()):
if key.startswith('password_'):
result += sys_meta[key]
return result or None
**** CubicPower OpenStack Study ****
def convert_password(context, password):
"""Stores password as system_metadata items.
Password is stored with the keys 'password_0' -> 'password_3'.
"""
password = password or ''
meta = {}
for i in xrange(CHUNKS):
meta['password_%d' % i] = password[:CHUNK_LENGTH]
password = password[CHUNK_LENGTH:]
return meta
**** CubicPower OpenStack Study ****
def handle_password(req, meta_data):
ctxt = context.get_admin_context()
if req.method == 'GET':
return meta_data.password
elif req.method == 'POST':
# NOTE(vish): The conflict will only happen once the metadata cache
# updates, but it isn't a huge issue if it can be set for
# a short window.
if meta_data.password:
raise exc.HTTPConflict()
if (req.content_length > MAX_SIZE or len(req.body) > MAX_SIZE):
msg = _("Request is too large.")
raise exc.HTTPBadRequest(explanation=msg)
conductor_api = conductor.API()
instance = conductor_api.instance_get_by_uuid(ctxt, meta_data.uuid)
sys_meta = utils.instance_sys_meta(instance)
sys_meta.update(convert_password(ctxt, req.body))
conductor_api.instance_update(ctxt, meta_data.uuid,
system_metadata=sys_meta)
else:
raise exc.HTTPBadRequest()