[swss]: Clear MUX-related state DB tables on start (#6759)

* Add *MUX_CABLE_TABLE* to set of tables to clear on SWSS start, which will clear HW_MUX_CABLE_TABLE and MUX_CABLE_TABLE * Order swss to start before pmon to ensure that DBs are cleared before xcvrd (running inside pmon) starts and re-populates the tables Signed-off-by: Lawrence Lee <[email protected]>
sonic-net · Feb 16, 2021 · e0efbc1 · e0efbc1
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diff --git a/files/build_templates/per_namespace/swss.service.j2 b/files/build_templates/per_namespace/swss.service.j2
@@ -12,7 +12,7 @@ Requires=opennsl-modules.service
 Requires=updategraph.service
 After=updategraph.service
 After=interfaces-config.service
-Before=ntp-config.service
+Before=ntp-config.service pmon.service
 StartLimitIntervalSec=1200
 StartLimitBurst=3
 

diff --git a/files/scripts/swss.sh b/files/scripts/swss.sh
@@ -147,7 +147,7 @@ start() {
         $SONIC_DB_CLI ASIC_DB FLUSHDB
         $SONIC_DB_CLI COUNTERS_DB FLUSHDB
         $SONIC_DB_CLI FLEX_COUNTER_DB FLUSHDB
-        clean_up_tables STATE_DB "'PORT_TABLE*', 'MGMT_PORT_TABLE*', 'VLAN_TABLE*', 'VLAN_MEMBER_TABLE*', 'LAG_TABLE*', 'LAG_MEMBER_TABLE*', 'INTERFACE_TABLE*', 'MIRROR_SESSION*', 'VRF_TABLE*', 'FDB_TABLE*', 'FG_ROUTE_TABLE*', 'BUFFER_POOL*', 'BUFFER_PROFILE*'"
+        clean_up_tables STATE_DB "'PORT_TABLE*', 'MGMT_PORT_TABLE*', 'VLAN_TABLE*', 'VLAN_MEMBER_TABLE*', 'LAG_TABLE*', 'LAG_MEMBER_TABLE*', 'INTERFACE_TABLE*', 'MIRROR_SESSION*', 'VRF_TABLE*', 'FDB_TABLE*', 'FG_ROUTE_TABLE*', 'BUFFER_POOL*', 'BUFFER_PROFILE*', '*MUX_CABLE_TABLE*'"
     fi
 
     # start service docker