Add bmp dynamic feature switch in frr side config.

dockers/docker-fpm-frr/frr/bgpd/bgpd.main.conf.j2

@@ -88,6 +88,19 @@ router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
   bgp graceful-restart select-defer-time {{ constants.bgp.graceful_restart.select_defer_time | default(45) }}
 {% endif %}
 !
+{# set bmp info #}
+{% if (FEATURE is defined) and ('bmp' in FEATURE) and ('state' in FEATURE['bmp']) and (FEATURE['bmp']['state'] == 'enabled') %}
+!
+  bmp mirror buffer-limit 4294967214
+!
+  bmp targets sonic-bmp
+  bmp stats interval 1000
+  bmp monitor ipv4 unicast pre-policy
+  bmp monitor ipv6 unicast pre-policy
+  bmp connect 127.0.0.1 port 5000 min-retry 1000 max-retry 2000
+!
+!
+{% endif %}
 {# set router-id #}
 {% if DEVICE_METADATA['localhost']['sub_role'] == 'BackEnd' or DEVICE_METADATA['localhost']['switch_type'] == 'voq' or DEVICE_METADATA['localhost']['switch_type'] == 'chassis-packet' %}
 {% if 'bgp_router_id' in DEVICE_METADATA['localhost'] %}

dockers/docker-fpm-frr/frr/supervisord/supervisord.conf.j2

@@ -77,7 +77,11 @@ dependent_startup_wait_for=zebra:running
 {% endif %}
 
 [program:bgpd]
+{% if FEATURE.bmp is defined and FEATURE.bmp.state is defined and FEATURE.bmp.state == "enabled" %}
+command=/usr/lib/frr/bgpd -A 127.0.0.1 -M snmp -M bmp
+{% else %}
 command=/usr/lib/frr/bgpd -A 127.0.0.1 -M snmp
+{% endif %}
 priority=5
 stopsignal=KILL
 autostart=false

src/sonic-config-engine/tests/sample_output/py2/bgpd_frr_bmp.conf

@@ -0,0 +1,89 @@
+!
+! template: bgpd/bgpd.conf.j2
+!
+!
+! =========== Managed by sonic-cfggen DO NOT edit manually! ====================
+! generated by templates/quagga/bgpd.conf.j2 with config DB data
+! file: bgpd.conf
+!
+!
+! template: common/daemons.common.conf.j2
+!
+hostname switch-t0
+password zebra
+enable password zebra
+!
+log syslog informational
+log facility local4
+!
+! end of template: common/daemons.common.conf.j2!
+agentx
+!
+!
+!
+! template: bgpd/bgpd.main.conf.j2
+!
+! bgp multiple-instance
+!
+! BGP configuration
+!
+! TSA configuration
+!
+ip prefix-list PL_LoopbackV4 permit 10.1.0.32/32
+!
+ipv6 prefix-list PL_LoopbackV6 permit fc00:1::/64
+!
+ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 5 permit 192.168.0.0/27
+!
+ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 10 permit 192.168.200.0/27
+!
+!
+!
+router bgp 65100
+!
+  bgp log-neighbor-changes
+  bgp suppress-fib-pending
+  no bgp default ipv4-unicast
+  no bgp ebgp-requires-policy
+!
+  bgp bestpath as-path multipath-relax
+!
+  bgp graceful-restart restart-time 240
+  bgp graceful-restart
+  bgp graceful-restart preserve-fw-state
+  bgp graceful-restart select-defer-time 45
+!
+!
+  bmp mirror buffer-limit 4294967214
+!
+  bmp targets sonic-bmp
+  bmp stats interval 1000
+  bmp monitor ipv4 unicast pre-policy
+  bmp monitor ipv6 unicast pre-policy
+  bmp connect 127.0.0.1 port 5000 min-retry 1000 max-retry 2000
+!
+!
+  bgp router-id 10.1.0.32
+!
+  network 10.1.0.32/32
+!
+  address-family ipv6
+    network fc00:1::32/64
+  exit-address-family
+!
+  network 192.168.0.1/27
+  network 192.168.200.1/27
+!
+!
+!
+  address-family ipv4
+    maximum-paths 64
+  exit-address-family
+  address-family ipv6
+    maximum-paths 64
+  exit-address-family
+!
+! end of template: bgpd/bgpd.main.conf.j2
+!!
+! end of template: bgpd/bgpd.conf.j2
+!

src/sonic-config-engine/tests/sample_output/py3/bgpd_frr_bmp.conf

@@ -0,0 +1,89 @@
+!
+! template: bgpd/bgpd.conf.j2
+!
+!
+! =========== Managed by sonic-cfggen DO NOT edit manually! ====================
+! generated by templates/quagga/bgpd.conf.j2 with config DB data
+! file: bgpd.conf
+!
+!
+! template: common/daemons.common.conf.j2
+!
+hostname switch-t0
+password zebra
+enable password zebra
+!
+log syslog informational
+log facility local4
+!
+! end of template: common/daemons.common.conf.j2!
+agentx
+!
+!
+!
+! template: bgpd/bgpd.main.conf.j2
+!
+! bgp multiple-instance
+!
+! BGP configuration
+!
+! TSA configuration
+!
+ip prefix-list PL_LoopbackV4 permit 10.1.0.32/32
+!
+ipv6 prefix-list PL_LoopbackV6 permit fc00:1::/64
+!
+ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 5 permit 192.168.0.0/27
+!
+ip prefix-list LOCAL_VLAN_IPV4_PREFIX seq 10 permit 192.168.200.0/27
+!
+!
+!
+router bgp 65100
+!
+  bgp log-neighbor-changes
+  bgp suppress-fib-pending
+  no bgp default ipv4-unicast
+  no bgp ebgp-requires-policy
+!
+  bgp bestpath as-path multipath-relax
+!
+  bgp graceful-restart restart-time 240
+  bgp graceful-restart
+  bgp graceful-restart preserve-fw-state
+  bgp graceful-restart select-defer-time 45
+!
+!
+  bmp mirror buffer-limit 4294967214
+!
+  bmp targets sonic-bmp
+  bmp stats interval 1000
+  bmp monitor ipv4 unicast pre-policy
+  bmp monitor ipv6 unicast pre-policy
+  bmp connect 127.0.0.1 port 5000 min-retry 1000 max-retry 2000
+!
+!
+  bgp router-id 10.1.0.32
+!
+  network 10.1.0.32/32
+!
+  address-family ipv6
+    network fc00:1::32/64
+  exit-address-family
+!
+  network 192.168.0.1/27
+  network 192.168.200.1/27
+!
+!
+!
+  address-family ipv4
+    maximum-paths 64
+  exit-address-family
+  address-family ipv6
+    maximum-paths 64
+  exit-address-family
+!
+! end of template: bgpd/bgpd.main.conf.j2
+!!
+! end of template: bgpd/bgpd.conf.j2
+!

src/sonic-config-engine/tests/test_frr.py

@@ -78,3 +78,7 @@ def test_bgpd_frr_dualtor(self):
     def test_zebra_frr_dualtor(self):
         extra_data = {"DEVICE_METADATA": {"localhost": {"subtype": "DualToR"}}}
         self.assertTrue(*self.run_case('zebra/zebra.conf.j2', 'zebra_frr_dualtor.conf', extra_data=extra_data))
+
+    def test_bgpd_frr_bmp(self):
+        extra_data = {"FEATURE": {"bmp": {"state": "enabled"}}}
+        self.assertTrue(*self.run_case('bgpd/bgpd.conf.j2', 'bgpd_frr_bmp.conf', extra_data=extra_data))