[bgp]: Fix isolate/unisolate command for ipv6 peers (#3183)

* Fix isolate/unisolate command for ipv6 peers

Author: pavel-shirshov

dockers/docker-fpm-frr/isolate.j2

@@ -10,7 +10,13 @@ exit $?
 configure terminal
   router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
 {% for neighbor_addr in BGP_NEIGHBOR %}
+{% if neighbor_addr | ipv4 %}
     neighbor {{ neighbor_addr }} route-map ISOLATE out
+{% else %}
+  address-family ipv6
+    neighbor {{ neighbor_addr }} route-map ISOLATE out
+  exit-address-family
+{% endif %}
 {% endfor %}
   exit
 exit

dockers/docker-fpm-frr/unisolate.j2

@@ -10,7 +10,13 @@ exit $?
 configure terminal
   router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
 {% for neighbor_ip in BGP_NEIGHBOR %}
+{% if neighbor_ip | ipv4 %}
     no neighbor {{ neighbor_ip }} route-map ISOLATE out
+{% else %}
+  address-family ipv6
+    no neighbor {{ neighbor_ip }} route-map ISOLATE out
+  exit-address-family
+{% endif %}
 {% endfor %}
   exit
 exit

dockers/docker-fpm-quagga/isolate.j2

@@ -10,7 +10,13 @@ exit $?
 configure terminal
   router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
 {% for neighbor_addr in BGP_NEIGHBOR %}
+{% if neighbor_addr | ipv4 %}
     neighbor {{ neighbor_addr }} route-map ISOLATE out
+{% else %}
+  address-family ipv6
+    neighbor {{ neighbor_addr }} route-map ISOLATE out
+  exit-address-family
+{% endif %}
 {% endfor %}
   exit
 exit

dockers/docker-fpm-quagga/unisolate.j2

@@ -10,7 +10,13 @@ exit $?
 configure terminal
   router bgp {{ DEVICE_METADATA['localhost']['bgp_asn'] }}
 {% for neighbor_ip in BGP_NEIGHBOR %}
+{% if neighbor_ip | ipv4 %}
     no neighbor {{ neighbor_ip }} route-map ISOLATE out
+{% else %}
+  address-family ipv6
+    no neighbor {{ neighbor_ip }} route-map ISOLATE out
+  exit-address-family
+{% endif %}
 {% endfor %}
   exit
 exit