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Merged PR 4559560: [bgp]: Switch to standby if BGP container exits

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[bgp]: Switch mux to standby if BGP container exits

Signed-off-by: Lawrence Lee <lawlee@microsoft.com>
This commit is contained in:
Lawrence Lee 2021-06-04 00:24:54 +00:00 committed by Ying Xie
parent 69bae5b27a
commit 17cbfc44e6
2 changed files with 14 additions and 1 deletions
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1
files/build_templates/per_namespace/bgp.service.j2
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@ -15,6 +15,7 @@ User={{ sonicadmin_user }}
ExecStartPre=/usr/local/bin/{{docker_container_name}}.sh start{% if multi_instance == 'true' %} %i{% endif %}
ExecStart=/usr/local/bin/{{docker_container_name}}.sh wait{% if multi_instance == 'true' %} %i{% endif %}
ExecStop=/usr/local/bin/{{docker_container_name}}.sh stop{% if multi_instance == 'true' %} %i{% endif %}
ExecStopPost=/usr/local/bin/write_standby.py
RestartSec=30

14
files/scripts/write_standby.py
View File

@ -65,6 +65,16 @@ class MuxStateWriter(object):
"""
return self.config_db.get_keys('TUNNEL')[0]
@property
def is_dualtor(self):
"""
Checks if script is running on a dual ToR system
"""
localhost_key = self.config_db.get_keys('DEVICE_METADATA')[0]
metadata = self.config_db.get_entry('DEVICE_METADATA', localhost_key)
return 'subtype' in metadata and 'dualtor' in metadata['subtype'].lower()
def get_all_mux_intfs(self):
"""
Returns a list of all mux cable interfaces
@ -97,11 +107,13 @@ class MuxStateWriter(object):
# If we timed out, return False else return True
return curr_time - start < timeout
def apply_mux_config(self):
"""
Writes standby mux state to APP DB for all mux interfaces
"""
if not self.is_dualtor:
# If not running on a dual ToR system, take no action
return
intfs = self.get_all_mux_intfs()
state = 'standby'
if self.wait_for_tunnel():