[swss]: Run tunnel_pkt_handler on dualtor only (#11627)

At SWSS docker init time, check the device subtype and enable tunnel packet handler only if it is dualtor

Signed-off-by: Lawrence Lee <lawlee@microsoft.com>

dockers/docker-orchagent/Dockerfile.j2

@@ -68,7 +68,7 @@ RUN apt-get purge -y          \
 
 COPY ["files/arp_update", "/usr/bin"]
 COPY ["arp_update.conf", "files/arp_update_vars.j2", "/usr/share/sonic/templates/"]
-COPY ["ndppd.conf", "/usr/share/sonic/templates/"]
+COPY ["ndppd.conf", "tunnel_packet_handler.conf", "/usr/share/sonic/templates/"]
 COPY ["enable_counters.py", "tunnel_packet_handler.py", "/usr/bin/"]
 COPY ["orchagent.sh", "swssconfig.sh", "buffermgrd.sh", "/usr/bin/"]
 COPY ["files/supervisor-proc-exit-listener", "/usr/bin"]

dockers/docker-orchagent/docker-init.j2

@@ -21,6 +21,7 @@ CFGGEN_PARAMS=" \
     -t /usr/share/sonic/templates/wait_for_link.sh.j2,/usr/bin/wait_for_link.sh \
 "
 VLAN=$(sonic-cfggen $CFGGEN_PARAMS)
+SUBTYPE=$(sonic-cfggen -d -v "DEVICE_METADATA['localhost']['subtype']")
 SWITCH_TYPE=${SWITCH_TYPE:-`sonic-cfggen -d -v "DEVICE_METADATA['localhost']['switch_type']"`}
 chmod +x /usr/bin/wait_for_link.sh
 
@@ -43,6 +44,10 @@ if [ "$VLAN" != "" ]; then
     cp /usr/share/sonic/templates/ndppd.conf /etc/supervisor/conf.d/
 fi
 
+if [ "$SUBTYPE" == "DualToR" ]; then
+    cp /usr/share/sonic/templates/tunnel_packet_handler.conf /etc/supervisor/conf.d/
+fi
+
 USE_PCI_ID_IN_CHASSIS_STATE_DB=/usr/share/sonic/platform/use_pci_id_chassis
 ASIC_ID="asic$NAMESPACE_ID"
 if [ -f "$USE_PCI_ID_IN_CHASSIS_STATE_DB" ]; then

dockers/docker-orchagent/supervisord.conf.j2

@@ -288,15 +288,3 @@ dependent_startup_wait_for=swssconfig:exited
 environment=ASAN_OPTIONS="log_path=/var/log/asan/fdbsyncd-asan.log{{ asan_extra_options }}"
 {% endif %}
 {%- endif %}
-
-{% if is_fabric_asic == 0 %}
-[program:tunnel_packet_handler]
-command=/usr/bin/tunnel_packet_handler.py
-priority=12
-autostart=false
-autorestart=unexpected
-stdout_logfile=syslog
-stderr_logfile=syslog
-dependent_startup=true
-dependent_startup_wait_for=swssconfig:exited
-{%- endif %}

dockers/docker-orchagent/tunnel_packet_handler.conf

@@ -0,0 +1,9 @@
+[program:tunnel_packet_handler]
+command=/usr/bin/tunnel_packet_handler.py
+priority=12
+autostart=false
+autorestart=unexpected
+stdout_logfile=syslog
+stderr_logfile=syslog
+dependent_startup=true
+dependent_startup_wait_for=swssconfig:exited