def _setup_service(host, name):
try:
utils.raise_if_old_compute()
except exception.TooOldComputeService as e:
if CONF.workarounds.disable_compute_service_check_for_ffu:
LOG.warning(str(e))
else:
raise
binary = name if name.startswith('nova-') else "nova-%s" % name
ctxt = context.get_admin_context()
service_ref = objects.Service.get_by_host_and_binary(ctxt, host, binary)
if service_ref:
service._update_service_ref(service_ref)
else:
try:
service_obj = objects.Service(ctxt)
service_obj.host = host
service_obj.binary = binary
service_obj.topic = None
service_obj.report_count = 0
service_obj.create()
except (exception.ServiceTopicExists, exception.ServiceBinaryExists):
# If we race to create a record with a sibling, don't
# fail here.
pass
def _setup_service(host, name):
ctxt = context.get_admin_context()
service_ref = objects.Service.get_by_host_and_binary(ctxt, host, name)
if service_ref:
service._update_service_ref(service_ref)
else:
try:
service_obj = objects.Service(ctxt)
service_obj.host = host
service_obj.binary = 'nova-%s' % name
service_obj.topic = None
service_obj.report_count = 0
service_obj.create()
except (exception.ServiceTopicExists, exception.ServiceBinaryExists):
# If we race to create a record with a sibling, don't
# fail here.
pass
def _setup_service(host, name):
ctxt = context.get_admin_context()
service_ref = objects.Service.get_by_host_and_binary(
ctxt, host, name)
if service_ref:
service._update_service_ref(service_ref)
else:
try:
service_obj = objects.Service(ctxt)
service_obj.host = host
service_obj.binary = 'nova-%s' % name
service_obj.topic = None
service_obj.report_count = 0
service_obj.create()
except (exception.ServiceTopicExists,
exception.ServiceBinaryExists):
# If we race to create a record with a sibling, don't
# fail here.
pass
def _setup_service(host, name):
utils.raise_if_old_compute()
binary = name if name.startswith('nova-') else "nova-%s" % name
ctxt = context.get_admin_context()
service_ref = objects.Service.get_by_host_and_binary(ctxt, host, binary)
if service_ref:
service._update_service_ref(service_ref)
else:
try:
service_obj = objects.Service(ctxt)
service_obj.host = host
service_obj.binary = binary
service_obj.topic = None
service_obj.report_count = 0
service_obj.create()
except (exception.ServiceTopicExists, exception.ServiceBinaryExists):
# If we race to create a record with a sibling, don't
# fail here.
pass
def _setup_service(host, name):
binary = name if name.startswith(
'nova-') else "nova-%s" % name #nova-osapi_compute
ctxt = context.get_admin_context(
) #创建上下文context，nova/context/RequestContext
service_ref = objects.Service.get_by_host_and_binary(
ctxt, host, binary) #从数据库获取数据，生成sevice
if service_ref:
service._update_service_ref(service_ref) #版本号相关
else:
try:
service_obj = objects.Service(ctxt)
service_obj.host = host
service_obj.binary = binary
service_obj.topic = None
service_obj.report_count = 0
service_obj.create()
except (exception.ServiceTopicExists, exception.ServiceBinaryExists):
# If we race to create a record with a sibling, don't
# fail here.
pass
