added networks_to_announce_ipv4 to outbound prefix filter

tasks/main.yml

@@ -57,4 +57,4 @@
     enabled: True
     daemon_reload: yes
     name:  frr-docker.service
-  tags: frr-docker    
+  tags: frr-docker

templates/frr.conf.j2

@@ -102,5 +102,11 @@ router bgp {{host_ASN}}
  exit-address-family
 !
 {% if host_loopback_IP is defined %}ip prefix-list AS{{host_ASN}}-OUT seq 5 permit {{host_loopback_IP}}/32{% endif  %}
+{% if networks_to_announce_ipv4 is defined and networks_to_announce_ipv4 != [] %}
+{%  for item in networks_to_announce_ipv4 %}
+  ip prefix-list AS{{host_ASN}}-OUT seq {{loop.index+5}} permit {{item}}/32 
+{%  endfor %}
+{% endif %}
+
 
 {% if host_loopback_IP_v6 is defined %}ipv6 prefix-list AS{{host_ASN}}-OUT seq 5 permit {{host_loopback_IP_v6}}/128{% endif  %}