117 lines
3.6 KiB
Python
Executable File
117 lines
3.6 KiB
Python
Executable File
#
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# Copyright (c) 2015-2016 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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from nfv_common import debug
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from nfv_common import state_machine
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from nfv_vim.host_fsm._host_defs import HOST_EVENT
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from nfv_vim.host_fsm._host_defs import HOST_STATE
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from nfv_vim.host_fsm._host_tasks import NotifyDisableFailedTask
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DLOG = debug.debug_get_logger('nfv_vim.state_machine.host')
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class DisablingFailedState(state_machine.State):
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"""
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Host - Disabling Failed State
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"""
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def __init__(self, name):
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super(DisablingFailedState, self).__init__(name)
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def enter(self, host):
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"""
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Entering disabling failed state
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"""
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DLOG.info("Entering state (%s) for %s." % (self.name, host.name))
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host.task = NotifyDisableFailedTask(host)
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host.task.start()
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def exit(self, host):
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"""
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Exiting disabling failed state
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"""
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DLOG.info("Exiting state (%s) for %s." % (self.name, host.name))
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host.task.abort()
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host.clear_reason()
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def transition(self, host, event, event_data, to_state):
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"""
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Transition from the disabling failed state
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"""
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pass
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def handle_event(self, host, event, event_data=None):
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"""
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Handle event while in the disabling failed state
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"""
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handled = False
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if host.task.inprogress():
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handled = host.task.handle_event(event, event_data)
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if not handled:
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if HOST_EVENT.DELETE == event:
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if host.is_locking():
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host.cancel_lock()
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return HOST_STATE.DELETING
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elif HOST_EVENT.ENABLE == event:
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if host.is_locking():
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host.cancel_lock()
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return HOST_STATE.ENABLING
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elif HOST_EVENT.LOCK == event or HOST_EVENT.DISABLE == event \
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or HOST_EVENT.UNLOCK == event:
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if not host.task.inprogress():
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host.task = NotifyDisableFailedTask(host)
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host.task.start()
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elif host.task.is_failed() or host.task.timed_out():
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host.task.start()
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elif HOST_EVENT.TASK_COMPLETED == event:
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if host.is_locking():
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host.cancel_lock()
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if host.is_force_lock():
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return HOST_STATE.DISABLED
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else:
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return HOST_STATE.ENABLING
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elif HOST_EVENT.TASK_FAILED == event:
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DLOG.info("Disabling-Failed failed for %s." % host.name)
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if host.is_locking():
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host.cancel_lock()
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if host.is_force_lock():
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return HOST_STATE.DISABLED
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else:
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return HOST_STATE.ENABLING
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elif HOST_EVENT.TASK_TIMEOUT == event:
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DLOG.info("Disabling-Failed timed out for %s." % host.name)
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if host.is_locking():
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host.cancel_lock()
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if host.is_force_lock():
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return HOST_STATE.DISABLED
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else:
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return HOST_STATE.ENABLING
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elif HOST_EVENT.AUDIT == event:
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if not host.task.inprogress():
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host.task = NotifyDisableFailedTask(host)
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host.task.start()
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elif host.task.is_failed() or host.task.timed_out():
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host.task.start()
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else:
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DLOG.verbose("Disabling-Failed ignoring %s event for %s." %
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(event, host.name))
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return self.name
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