scripts: Add a basic test script for peerings tests (within the peer subnet)

test_peering_relations.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import ipaddr
+import yaml
+import sys
+import glob
+from termcolor import colored
+
+def parse_peers(peer_file):
+    """parse_peers: Just a simple function for peers parsing
+    :peer_file: The YAML peer file to parse
+    :returns: Just a return code if the file is correctly parsed or not
+
+    """
+
+    peering_flat = open(peer_file).read()
+
+    try:
+        peerings = yaml.safe_load(peering_flat)
+    except:
+        print colored('ERROR', 'red') + ": the peers.yaml file could not be parsed... please check \
+    your syntax"
+        sys.exit(2)
+
+    # IXPs Gitoyen is connected to
+
+    connected_ixps = {
+        "amsix": [ipaddr.IPNetwork('80.249.210.195/21'),
+                ipaddr.IPNetwork('2001:7f8:1::a502:766:1/64')],
+        "franceix": [ipaddr.IPNetwork('37.49.236.190/23'),
+                ipaddr.IPNetwork('2001:7f8:54::190/64')],
+        "equinix": [ipaddr.IPNetwork('195.42.145.64/23'),
+                ipaddr.IPNetwork('2001:7f8:43::2:766:1/64')],
+        "sfinx": [ipaddr.IPNetwork('194.68.129.186/24'),
+                ipaddr.IPNetwork('2001:7f8:4e:2::186/64')]}
+
+    for asn in peerings:
+        for keyword in ['export', 'import', 'description', 'peerings']:
+            if keyword not in peerings[asn]:
+                print colored('ERROR', 'red') + ": missing %s statement in stanza %s" % (keyword, asn)
+                sys.exit(2)
+
+        for peer in peerings[asn]['peerings']:
+            try:
+                peer_ip = ipaddr.IPAddress(peer)
+            except ValueError:
+                print colored('ERROR', 'red') + ": %s in %s is not a valid IP" % (peer, asn)
+                sys.exit(2)
+
+            # search if we can reach the peer
+            found = False
+            for ixp in connected_ixps:
+                for subnet in connected_ixps[ixp]:
+                    if ipaddr.IPAddress(peer) in subnet:
+                        print colored('OK', 'green') + ": found %s (%s) in %s" % (peer, asn, ixp)
+                        found = True
+            if not found:
+                print colored('ERROR', 'red') + ": AS 20766 cannot reach %s through %s, either a typo \
+    or we are not connected to the same internet exchange" \
+                    % (peer, " ".join(connected_ixps))
+                sys.exit(2)
+
+        acceptable_exports = ['AS-GITOYEN', 'NOT ANY', 'ANY']
+        if not peerings[asn]['export'] in acceptable_exports:
+            print colored('ERROR', 'red') + ": export must be one of the following: %s" \
+                % " ".join(acceptable_exports)
+            sys.exit(2)
+
+    print colored('HOORAY', 'yellow') + ": Ready for production!!!"
+
+for peer_files in glob.glob('peers/*.yml'):
+    parse_peers(peer_files)