Do not create the same as-path ACL over and over again

git-svn-id: svn+ssh://asteria.noreply.org/svn/weaselutils/trunk@42 bc3d92e2-beff-0310-a7cd-cc87d7ac0ede

1 files changed, 7 insertions, 1 deletions

diff --git a/Generate b/Generate
index 9de41fa..a17b9a1 100755
--- a/Generate
+++ b/Generate
@@ -426,6 +426,13 @@ hostlist.each{ |host|
 	host['networks6'].each_key{ |net|
 		outmaps << "ipv6 prefix-list pl#{ net.tr(':./', '-_') } seq 10 permit #{net} #{net =~ /\/128/ ? '' : "le 128"}"
 	}
+	hostlist.each{ |otherhost|
+		next if host['name'] == otherhost['name']
+		next unless otherhost['bgp_preference']
+		inmaps << "!"
+		inmaps << "! Create an ACL for anything that passes through AS#{otherhost['asn']} (#{otherhost['name']})"
+		inmaps << "ip as-path access-list passthruAS#{otherhost['asn']} permit _#{otherhost['asn']}_"
+	}
 	mapdups = {}
 	host['peer_map_name'] = {}
 	peers.each{ |peer|
@@ -468,7 +475,6 @@ hostlist.each{ |host|
 			next unless otherhost['bgp_preference']
 			inmaps << "!"
 			inmaps << "! Anything that passes through AS#{otherhost['asn']} (#{otherhost['name']}) gets a lower preference"
-			inmaps << "ip as-path access-list passthruAS#{otherhost['asn']} permit _#{otherhost['asn']}_"
 			inmaps << "route-map IN#{mapname} permit #{seq}"; seq = seq + 1
 			inmaps << " match as-path passthruAS#{otherhost['asn']}"
 			inmaps << " set local-preference #{otherhost['bgp_preference']}"