individual asn requests work, but not the complete list

inventory_provider/routes/msr.py

@@ -1173,3 +1173,23 @@ def vpn_proxy():
         peerings = list(_format_peerings(vpnproxy))
         response = json.dumps(peerings)
     return Response(response, mimetype='application/json')
+
+
+@routes.route('/asn-peers', methods=['GET', 'POST'], defaults={'asn': None})
+@routes.route('/asn-peers/<asn>', methods=['GET', 'POST'])
+@common.require_accepts_json
+def asn_peers(asn):
+    r = common.get_current_redis()
+    if asn is not None:
+        cache_key = f'classifier-cache:msr:asn-peers:{asn}'
+        response = _ignore_cache_or_retrieve(request, cache_key, r)
+        if not response:
+            peers = json.loads(r.get(f'juniper-peerings:peer-asn:{asn}'))
+            response = json.dumps(peers)
+    else:
+        cache_key = f'classifier-cache:msr:asn-peers'
+        response = _ignore_cache_or_retrieve(request, cache_key, r)
+        if not response:
+            peers = json.loads(r.get(f'juniper-peerings:peer-asn'))
+            response = json.dumps(peers)
+    return Response(response, mimetype='application/json')