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Merged PR 4679112: [write_standby]: Ignore non-auto interfaces

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[write_standby]: Ignore non-auto interfaces

* In the event that `write_standby.py` is used to automatically switchover interfaces when linkmgrd or bgp crashes, ignore any interfaces that are not configured to auto-switch

Signed-off-by: Lawrence Lee <lawlee@microsoft.com>
This commit is contained in:
Lawrence Lee 2021-06-18 17:19:09 +00:00 committed by Ying Xie
parent 17cbfc44e6
commit d5834fcb1b
1 changed files with 7 additions and 4 deletions
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11
files/scripts/write_standby.py
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@ -75,11 +75,14 @@ class MuxStateWriter(object):
return 'subtype' in metadata and 'dualtor' in metadata['subtype'].lower()
def get_all_mux_intfs(self):
def get_auto_mux_intfs(self):
"""
Returns a list of all mux cable interfaces
Returns a list of all mux cable interfaces that are configured to auto-switch
"""
return self.config_db.get_keys('MUX_CABLE')
all_intfs = self.config_db.get_table('MUX_CABLE')
auto_intfs = [intf for intf, status in all_intfs.items()
if status['state'].lower() == 'auto']
return auto_intfs
def tunnel_exists(self):
"""
@ -114,7 +117,7 @@ class MuxStateWriter(object):
if not self.is_dualtor:
# If not running on a dual ToR system, take no action
return
intfs = self.get_all_mux_intfs()
intfs = self.get_auto_mux_intfs()
state = 'standby'
if self.wait_for_tunnel():
logger.log_warning("Applying {} state to interfaces {}".format(state, intfs))