1 files changed, 50 insertions, 0 deletions
diff --git a/app/monitoring/checks/check_interface.py b/app/monitoring/checks/check_interface.py
new file mode 100755
index 0000000..4140dfe
--- /dev/null
+++ b/app/monitoring/checks/check_interface.py
@@ -0,0 +1,50 @@
+#!/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                                  #
+###############################################################################
+
+import re
+import sys
+import subprocess
+
+from binary_converter import binary2str
+
+
+if len(sys.argv) < 2:
+    print('name of interface must be specified')
+    exit(2)
+nic_name = str(sys.argv[1])
+
+rc = 0
+
+try:
+    out = subprocess.check_output(["ifconfig " + nic_name],
+                                  stderr=subprocess.STDOUT,
+                                  shell=True)
+    out = binary2str(out)
+    lines = out.splitlines()
+    line_number = 1
+    line = -1
+    while line_number < len(lines):
+        line = lines[line_number]
+        if ' BROADCAST ' in line:
+            break
+        line_number += 1
+    state_match = re.match('^\W+([A-Z]+)', line)
+    if not state_match:
+        rc = 2
+        print('Error: failed to find status in ifconfig output: ' + out)
+    else:
+        rc = 0 if state_match.group(1) == 'UP' else 2
+        print(out)
+except subprocess.CalledProcessError as e:
+    print("Error finding NIC {}: {}\n".format(nic_name, binary2str(e.output)))
+    rc = 2
+
+exit(rc)