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scheduler: do not propagate upperiface bring up error state

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Ticket: CM-10016
Reviewed By:
Testing Done: Tested with the upperiface bring up case described in
CM-10016

upperiface bringup is best effort and does not imply that the current
interface bring up has an error. It only means that the upperiface may
be in an incomplete state. Hence this patch resets scheduler error state
before returning from upperiface bringup.
This commit is contained in:
Roopa Prabhu
2016-03-23 22:24:30 -07:00
parent f1c9248267
commit 892c495ea8
1 changed files with 14 additions and 5 deletions
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19
ifupdown/scheduler.py
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@@ -43,6 +43,10 @@ class ifaceScheduler():
def get_sched_status(cls):
return cls._SCHED_STATUS
@classmethod
def set_sched_status(cls, state):
cls._SCHED_STATUS = state
@classmethod
def run_iface_op(cls, ifupdownobj, ifaceobj, op, cenv=None):
""" Runs sub operation on an interface """
@@ -91,7 +95,7 @@ class ifaceScheduler():
ifaceobj.set_state_n_status(ifaceState.from_str(op),
ifaceStatus.ERROR)
if 'up' in op or 'down' in op or 'query-checkcurr' in op:
cls._SCHED_STATUS = False
cls.set_sched_status(False)
else:
# Mark success only if the interface was not already
# marked with error
@@ -527,7 +531,7 @@ class ifaceScheduler():
cls.run_iface_list(ifupdownobj, run_queue, ops,
parent=None, order=order,
followdependents=followdependents)
if not cls._SCHED_STATUS:
if not cls.get_sched_status():
return
if (not skipupperifaces and
@@ -539,6 +543,11 @@ class ifaceScheduler():
# try and execute 'up' on the upperifaces
ifupdownobj.logger.info('running upperifaces (parent interfaces) ' +
'if available ..')
cls._STATE_CHECK = False
cls.run_upperifaces(ifupdownobj, ifacenames, ops)
cls._STATE_CHECK = True
try:
cls._STATE_CHECK = False
cls.run_upperifaces(ifupdownobj, ifacenames, ops)
cls._STATE_CHECK = True
finally:
# upperiface bringup is best effort, so dont propagate errors
# reset scheduler status to True
cls.set_sched_status(True)