1 files changed, 72 insertions, 0 deletions
diff --git a/app/monitoring/checks/check_vnic_vconnector.py b/app/monitoring/checks/check_vnic_vconnector.py
new file mode 100755
index 0000000..b0f96cd
--- /dev/null
+++ b/app/monitoring/checks/check_vnic_vconnector.py
@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+###############################################################################
+# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems)   #
+# and others                                                                  #
+#                                                                             #
+# All rights reserved. This program and the accompanying materials            #
+# are made available under the terms of the Apache License, Version 2.0       #
+# which accompanies this distribution, and is available at                    #
+# http://www.apache.org/licenses/LICENSE-2.0                                  #
+###############################################################################
+
+# find status of vnic-vconnector link
+# vconnector object name defines name of bridge
+# use "brctl showmacs <bridge>", then look for the MAC address
+
+import re
+import sys
+import subprocess
+
+from binary_converter import binary2str
+
+
+if len(sys.argv) < 3:
+    print('usage: ' + sys.argv[0] + ' <bridge> <mac_address>')
+    exit(2)
+bridge_name = str(sys.argv[1])
+mac_address = str(sys.argv[2])
+
+rc = 0
+
+try:
+    out = subprocess.check_output(["brctl showmacs " + bridge_name],
+                                  stderr=subprocess.STDOUT,
+                                  shell=True)
+    out = binary2str(out)
+    lines = out.splitlines()
+    line_number = 1
+    line = ''
+    found = False
+    while line_number < len(lines):
+        line = lines[line_number]
+        if mac_address in line:
+            found = True
+            break
+        line_number += 1
+    state_match = re.match('^\W+([A-Z]+)', line)
+    if not found:
+        rc = 2
+        print('Error: failed to find MAC {}:\n{}\n'
+              .format(mac_address, out))
+    else:
+        # grab "is local?" and "ageing timer" values
+        line_parts = line.split()  # port, mac address, is local?, ageing timer
+        is_local = line_parts[2]
+        ageing_timer = line_parts[3]
+        msg_format =\
+            'vConnector bridge name: {}\n'\
+            'vNIC MAC address: {}\n'\
+            'is local: {}\n'\
+            'ageing timer: {}\n'\
+            'vNIC MAC address: {}\n'\
+            'command: brctl showmacs {}\n'\
+            'output:\n{}'
+        msg = msg_format.format(bridge_name, mac_address, is_local,
+                                ageing_timer, mac_address, bridge_name, out)
+        print(msg)
+except subprocess.CalledProcessError as e:
+    print("Error finding MAC {}: {}\n"
+          .format(mac_address, binary2str(e.output)))
+    rc = 2
+
+exit(rc)