add cf function

.drone.yml

@@ -1,15 +1,15 @@
----
-kind: pipeline
-type: exec
-name: deploy
-
-steps:
-
-- name: rsync
-  commands:
-   - ./push.sh
-
-  when:
-    branch: master
-    event: push
+#---
+#kind: pipeline
+#type: exec
+#name: deploy
+#
+#steps:
+#
+#- name: rsync
+#  commands:
+#   - ./push.sh
+#
+#  when:
+#    branch: master
+#    event: push
     

site/content/network/IPAM.md

@@ -54,7 +54,7 @@ IP address tables
 |dn42-es-mad1.burble.dn42|172.20.129.170|fd42:4242:2601:2c::1|*Decommissioning - December 2021*|
 |us-phx1.burble.dn42     |172.20.129.171|fd42:4242:2601:2b::1|Private Node|
 |dn42-us-dal3.burble.dn42|172.20.129.172|fd42:4242:2601:2a::1|*Decommissioning - April 2022*|
-|*unassigned*            |172.20.129.173|fd42:4242:2601:3b::1||
+|uk-lon3.burble.dn42     |172.20.129.173|fd42:4242:2601:27::1|Private Node|
 |dn42-ch-zur1.burble.dn42|172.20.129.174|fd42:4242:2601:28::1||
 |uk-lon4.burble.dn42     |172.20.129.175|fd42:4242:2601:29::1|Private Node|
 |*unassigned*            |172.20.129.176|fd42:4242:2601:3d::1||
@@ -73,7 +73,6 @@ IP address tables
 |dn42-fr-rbx2.burble.dn42|172.20.129.189|fd42:4242:2601:26::1||
 |dn42-uk-bri1.burble.dn42|172.20.129.190|fd42:4242:2601:20::1|Private Node|
 |                   |172.20.129.191| |Reserved|
-|uk-lon3.burble.dn42| |fd42:4242:2601:27::1|Private Node|
 
 ## burble.dn42 Nodes (Public Addressing)
 

site/functions/roa/[path].js

@@ -0,0 +1,65 @@
+//////////////////////////////////////////////////////////////////////////
+
+export async function onRequest(context) {
+    
+    // Contents of context object
+    const {
+	      request, // same as existing Worker API
+	      env, // same as existing Worker API
+	      params, // if filename includes [id] or [[path]]
+	      waitUntil, // same as ctx.waitUntil in existing Worker API
+	      next, // used for middleware or to fetch assets
+	      data, // arbitrary space for passing data between middlewares
+    } = context;
+    
+    const url = new URL(request.url)
+    
+    const key = new Request(url.toString(), request)
+    const cache = caches.default
+    
+    // is the page already cached ?
+    let response = await cache.match(key)
+    
+    if (!response) {
+	      // no, we must fetch from the explorer
+        
+	      const map={
+	          'dn42_roa_46.json':       '/json',
+	          'dn42_roa_bird1_46.conf': '/bird/1/46',
+	          'dn42_roa_bird1_4.conf':  '/bird/1/4',
+	          'dn42_roa_bird1_6.conf':  '/bird/1/6',
+	          'dn42_roa_bird2_46.conf': '/bird/2/46',
+	          'dn42_roa_bird2_4.conf':  '/bird/2/4',
+	          'dn42_roa_bird2_6.conf':  '/bird/2/6',
+	          'dn42_roa_obgpd_4.conf':  '/obgpd/4',
+	          'dn42_roa_obgpd_6.conf':  '/obgpd/6',
+	          'dn42_roa_obgpd_46.conf': '/obgpd/46'
+	      }
+	      
+	      const endpoint = map[url.pathname.split("/").pop()]
+	      if (!endpoint) {
+	          return new Response("404 Not Found", {
+		            'status': 404,
+		            'statusText': 'Not Found'
+	          })
+	      }
+        
+	      // fetch from the explorer
+	      const surl = 'https://explorer.burble.com/api/roa' + endpoint
+	      let sreq = new Request(surl, request)
+	      response = await fetch(sreq)
+	      response = new Response(response.body, response)
+        
+	      // set Cache-Control header
+	      response.headers.append("Cache-Control", "public,s-maxage=3600")
+        
+	      // and store in the cache
+	      waitUntil(cache.put(key, response.clone()))
+    }
+    
+    // finally, return the response back to the user
+    return response
+}
+
+//////////////////////////////////////////////////////////////////////////
+// end of file