def prepare_ports_for_replace(self):
if not self.is_using_neutron():
return
data = {'external_ports': [], 'internal_ports': []}
port_data = list(
itertools.chain(
[('internal_ports', port) for port in self._data_get_ports()],
[('external_ports', port)
for port in self._data_get_ports('external_ports')]))
for port_type, port in port_data:
data[port_type].append({'id': port['id']})
# detach the ports from the server
server_id = self.resource_id
for port_type, port in port_data:
self.client_plugin().interface_detach(server_id, port['id'])
try:
if self.client_plugin().check_interface_detach(
server_id, port['id']):
LOG.info(
_LI('Detach interface %(port)s successful '
'from server %(server)s when prepare '
'for replace.') % {
'port': port['id'],
'server': server_id
})
except retrying.RetryError:
raise exception.InterfaceDetachFailed(port=port['id'],
server=server_id)
def detach_ports(self, server):
existing_server_id = server.resource_id
for port in self.get_all_ports(server):
self.client_plugin().interface_detach(existing_server_id,
port['id'])
try:
if self.client_plugin().check_interface_detach(
existing_server_id, port['id']):
LOG.info(
_LI('Detach interface %(port)s successful from '
'server %(server)s.') % {
'port': port['id'],
'server': existing_server_id
})
except retrying.RetryError:
raise exception.InterfaceDetachFailed(
port=port['id'], server=existing_server_id)
def restore_ports_after_rollback(self, convergence):
if not self.is_using_neutron():
return
# In case of convergence, during rollback, the previous rsrc is
# already selected and is being acted upon.
backup_res = self.stack._backup_stack().resources.get(self.name)
prev_server = self if convergence else backup_res
if convergence:
rsrc, rsrc_owning_stack, stack = resource.Resource.load(
prev_server.context, prev_server.replaced_by, True,
prev_server.stack.cache_data)
existing_server = rsrc
else:
existing_server = self
port_data = itertools.chain(
existing_server._data_get_ports(),
existing_server._data_get_ports('external_ports'))
existing_server_id = existing_server.resource_id
for port in port_data:
# detach the ports from current resource
self.client_plugin().interface_detach(existing_server_id,
port['id'])
try:
if self.client_plugin().check_interface_detach(
existing_server_id, port['id']):
LOG.info(
_LI('Detach interface %(port)s successful from '
'server %(server)s when restore after '
'rollback.') % {
'port': port['id'],
'server': existing_server_id
})
except retrying.RetryError:
raise exception.InterfaceDetachFailed(
port=port['id'], server=existing_server_id)
# attach the ports for old resource
prev_port_data = itertools.chain(
prev_server._data_get_ports(),
prev_server._data_get_ports('external_ports'))
prev_server_id = prev_server.resource_id
for port in prev_port_data:
self.client_plugin().interface_attach(prev_server_id, port['id'])
try:
if self.client_plugin().check_interface_attach(
prev_server_id, port['id']):
LOG.info(
_LI('Attach interface %(port)s successful to '
'server %(server)s when restore after '
'rollback.') % {
'port': port['id'],
'server': prev_server_id
})
except retrying.RetryError:
raise exception.InterfaceAttachFailed(port=port['id'],
server=prev_server_id)