From 7e83d0876ddb84a45e130eeba28bc40ef53c074b Mon Sep 17 00:00:00 2001
From: Yaron Yogev <yaronyogev@gmail.com>
Date: Thu, 27 Jul 2017 09:02:54 +0300
Subject: Calipso initial release for OPNFV

Change-Id: I7210c244b0c10fa80bfa8c77cb86c9d6ddf8bc88
Signed-off-by: Yaron Yogev <yaronyogev@gmail.com>
---
 app/monitoring/checks/check_vservice.py | 82 +++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 app/monitoring/checks/check_vservice.py

(limited to 'app/monitoring/checks/check_vservice.py')

diff --git a/app/monitoring/checks/check_vservice.py b/app/monitoring/checks/check_vservice.py
new file mode 100644
index 0000000..a95a46a
--- /dev/null
+++ b/app/monitoring/checks/check_vservice.py
@@ -0,0 +1,82 @@
+#!/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                                  #
+###############################################################################
+
+"""
+for vservice with type T and id X
+run on the corresponding host:
+ip netns pid X
+response is pid(s), for example:
+32075
+
+For DHCP there are multiple pid, we will take the dnsmasq process
+
+then run :
+ps -uf -p 32075
+
+get STAT - "S" and "R" = OK
+"""
+
+import subprocess
+import sys
+
+from binary_converter import binary2str
+
+
+rc = 0
+
+args = sys.argv
+if len(args) < 3:
+    print('usage: check_vservice.py <vService type> <vService ID>')
+    exit(2)
+
+vservice_type = args[1]
+vservice_id = args[2]
+netns_cmd = 'sudo ip netns pid {}'.format(vservice_id)
+pid = ''
+ps_cmd = ''
+try:
+    out = subprocess.check_output([netns_cmd], stderr=subprocess.STDOUT,
+                                  shell=True)
+    out = binary2str(out)
+    lines = out.splitlines()
+    if not lines:
+        print('no matching vservice: {}\ncommand: {}\noutput: {}'
+              .format(vservice_id, netns_cmd, out))
+        exit(2)
+    pid = lines[0]
+except subprocess.CalledProcessError as e:
+    print("Error running '{}': {}"
+          .format(netns_cmd, binary2str(e.output)))
+    exit(2)
+try:
+    ps_cmd = 'ps -uf -p {}'.format(pid)
+    out = subprocess.check_output([ps_cmd], stderr=subprocess.STDOUT,
+                                  shell=True)
+    ps_out = binary2str(out)
+    lines = ps_out.splitlines()
+    if not lines:
+        print('no matching vservice: {}\noutput of {}:\n{}'
+              .format(vservice_id, netns_cmd, out))
+        exit(2)
+    headers = lines[0].split()
+    lines = lines[1:]
+    if vservice_type == 'dhcp' and len(lines) > 1:
+        lines = [line for line in lines if 'dnsmasq' in line]
+    values = lines[0].split()
+    stat_index = headers.index('STAT')
+    status = values[stat_index]
+    rc = 0 if status in ['S', 'R'] else 2
+    print('{}\n{}\n{}'.format(netns_cmd, ps_cmd, ps_out))
+except subprocess.CalledProcessError as e:
+    print("Error running '{}': {}".format(ps_cmd, binary2str(e.output)))
+    rc = 2
+
+exit(rc)
-- 
cgit 1.2.3-korg