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#
# Copyright (C) 2013 Red Hat, Inc.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
#
from .logger import log
def _new_poll_helper(origmap, typename, list_cb, build_cb, support_cb):
"""
Helper for new style listAll* APIs
"""
current = {}
new = {}
objs = []
try:
if support_cb():
objs = list_cb()
except Exception as e: # pragma: no cover
log.debug("Unable to list all %ss: %s", typename, e)
for obj in objs:
name = obj.name()
if name not in origmap:
# Object is brand new this period
current[name] = build_cb(obj, name)
new[name] = current[name]
else:
# Previously known object
current[name] = origmap[name]
del origmap[name]
return (list(origmap.values()), list(new.values()), list(current.values()))
def fetch_nets(backend, origmap, build_cb):
typename = "network"
list_cb = backend.listAllNetworks
support_cb = backend.support.conn_network
return _new_poll_helper(origmap, typename, list_cb, build_cb, support_cb)
def fetch_pools(backend, origmap, build_cb):
typename = "pool"
list_cb = backend.listAllStoragePools
support_cb = backend.support.conn_storage
return _new_poll_helper(origmap, typename, list_cb, build_cb, support_cb)
def fetch_volumes(backend, pool, origmap, build_cb):
typename = "volume"
list_cb = pool.listAllVolumes
support_cb = backend.support.conn_storage
return _new_poll_helper(origmap, typename, list_cb, build_cb, support_cb)
def fetch_nodedevs(backend, origmap, build_cb):
typename = "nodedev"
list_cb = backend.listAllDevices
support_cb = backend.support.conn_nodedev
return _new_poll_helper(origmap, typename, list_cb, build_cb, support_cb)
def fetch_vms(backend, origmap, build_cb):
typename = "domain"
list_cb = backend.listAllDomains
support_cb = backend.support.conn_domain
return _new_poll_helper(origmap, typename, list_cb, build_cb, support_cb)
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