nfv/nfv/nfv-vim/nfv_vim/host_fsm/_host_state_deleting_failed.py

84 lines
2.5 KiB
Python
Executable File

#
# Copyright (c) 2016 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
from nfv_common import debug
from nfv_common import state_machine
from nfv_vim.host_fsm._host_defs import HOST_EVENT
from nfv_vim.host_fsm._host_defs import HOST_STATE
from nfv_vim.host_fsm._host_tasks import NotifyDeleteFailedTask
DLOG = debug.debug_get_logger('nfv_vim.state_machine.host')
class DeletingFailedState(state_machine.State):
"""
Host - Deleting Failed State
"""
def __init__(self, name):
super(DeletingFailedState, self).__init__(name)
def enter(self, host):
"""
Entering deleting failed state
"""
DLOG.info("Entering state (%s) for %s." % (self.name, host.name))
host.task = NotifyDeleteFailedTask(host)
host.task.start()
def exit(self, host):
"""
Exiting deleting failed state
"""
DLOG.info("Exiting state (%s) for %s." % (self.name, host.name))
host.task.abort()
host.clear_reason()
def transition(self, host, event, event_data, to_state):
"""
Transition from the deleting failed state
"""
pass
def handle_event(self, host, event, event_data=None):
"""
Handle event while in the deleting failed state
"""
handled = False
if host.task.inprogress():
handled = host.task.handle_event(event, event_data)
if not handled:
if HOST_EVENT.DELETE == event:
if not host.task.inprogress():
host.task = NotifyDeleteFailedTask(host)
host.task.start()
elif HOST_EVENT.TASK_COMPLETED == event:
return HOST_STATE.CONFIGURE
elif HOST_EVENT.TASK_FAILED == event:
DLOG.info("Delete-Failed failed for %s." % host.name)
return HOST_STATE.CONFIGURE
elif HOST_EVENT.TASK_TIMEOUT == event:
DLOG.info("Delete-Failed timed out for %s." % host.name)
return HOST_STATE.CONFIGURE
elif HOST_EVENT.AUDIT == event:
if not host.task.inprogress():
host.task = NotifyDeleteFailedTask(host)
host.task.start()
elif host.task.is_failed() or host.task.timed_out():
host.task.start()
else:
DLOG.verbose("Delete-Failed ignoring %s event for %s." %
(event, host.name))
return self.name