From 08cf10de24d732fc33d206df2d0cd985bfa74032 Mon Sep 17 00:00:00 2001
From: Claudio Kuenzler <ck@claudiokuenzler.com>
Date: Fri, 10 May 2019 10:00:50 +0200
Subject: [PATCH] Regex (#36)

* Allow regular expressions from ignore list (-r)

* Allow regular expressions from ignore list (-r)
---
 README.md              |  2 +-
 check_esxi_hardware.py | 33 ++++++++++++++++++++++++---------
 2 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index bb4c6ba..ff9dc8b 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,4 @@ This is the public git repository for development of the plugin.
 
 Documentation + Production Ready Plugin
 -------------
-Please refer to http://www.claudiokuenzler.com/nagios-plugins/check_esxi_hardware.php 
+Please refer to https://www.claudiokuenzler.com/monitoring-plugins/check_esxi_hardware.php 
diff --git a/check_esxi_hardware.py b/check_esxi_hardware.py
index 0f12d47..09eca2f 100755
--- a/check_esxi_hardware.py
+++ b/check_esxi_hardware.py
@@ -24,7 +24,7 @@
 # Copyright (c) 2008 David Ligeret
 # Copyright (c) 2009 Joshua Daniel Franklin
 # Copyright (c) 2010 Branden Schneider
-# Copyright (c) 2010-2018 Claudio Kuenzler
+# Copyright (c) 2010-2019 Claudio Kuenzler
 # Copyright (c) 2010 Samir Ibradzic
 # Copyright (c) 2010 Aaron Rogers
 # Copyright (c) 2011 Ludovic Hutin
@@ -47,8 +47,8 @@
 # The VMware 5.x CIM API is documented here:
 #   http://pubs.vmware.com/vsphere-50/index.jsp?nav=/5_1_1
 #
-# This Nagios plugin is maintained here:
-#   http://www.claudiokuenzler.com/nagios-plugins/check_esxi_hardware.php
+# This monitoring plugin is maintained and documented here:
+#   https://www.claudiokuenzler.com/monitoring-plugins/check_esxi_hardware.php
 #
 #@---------------------------------------------------
 #@ History
@@ -260,6 +260,10 @@
 #@ Author : Claudio Kuenzler
 #@ Reason : python3 compatibility
 #@---------------------------------------------------
+#@ Date   : 20190510
+#@ Author : Claudio Kuenzler
+#@ Reason : Allow regular expressions from ignore list (-r)
+#@---------------------------------------------------
 
 from __future__ import print_function
 import sys
@@ -269,7 +273,7 @@ import re
 import pkg_resources
 from optparse import OptionParser,OptionGroup
 
-version = '20181001'
+version = '20190510'
 
 NS = 'root/cimv2'
 hosturl = ''
@@ -356,6 +360,8 @@ timeout = 0
 
 # elements to ignore (full SEL, broken BIOS, etc)
 ignore_list=[]
+regex_ignore_list=[]
+regex=False
 
 # urlise model and tag numbers (currently only Dell supported, but the code does the right thing for other vendors)
 urlise_country=''
@@ -491,9 +497,9 @@ def verboseoutput(message) :
 # ----------------------------------------------------------------------
 
 def getopts() :
-  global hosturl,cimport,user,password,vendor,verbose,perfdata,urlise_country,timeout,ignore_list,get_power,get_volts,get_current,get_temp,get_fan,get_lcd
-  usage = "usage: %prog -H hostname -U username -P password [-C port -V system -v -p -I XX]\n" \
-    "example: %prog -H my-shiny-new-vmware-server -U root -P fakepassword -C 5989 -V auto -I uk\n\n" \
+  global hosturl,cimport,user,password,vendor,verbose,perfdata,urlise_country,timeout,ignore_list,regex,get_power,get_volts,get_current,get_temp,get_fan,get_lcd
+  usage = "usage: %prog -H hostname -U username -P password [-C port -V vendor -v -p -I XX -i list,list -r]\n" \
+    "example: %prog -H hostname -U root -P password -C 5989 -V auto -I uk\n\n" \
     "or, verbosely:\n\n" \
     "usage: %prog --host=hostname --user=username --pass=password [--cimport=port --vendor=system --verbose --perfdata --html=XX]\n"
 
@@ -519,6 +525,8 @@ def getopts() :
       help="timeout in seconds - no effect on Windows (default = no timeout)")
   group2.add_option("-i", "--ignore", action="store", type="string", dest="ignore", default="", \
       help="comma-separated list of elements to ignore")
+  group2.add_option("-r", "--regex", action="store_true", dest="regex", default=False, \
+      help="allow regular expression lookup of ignore list")
   group2.add_option("--no-power", action="store_false", dest="get_power", default=True, \
       help="don't collect power performance data")
   group2.add_option("--no-volts", action="store_false", dest="get_volts", default=True, \
@@ -583,6 +591,7 @@ def getopts() :
     urlise_country=options.urlise_country.lower()
     timeout=options.timeout
     ignore_list=options.ignore.split(',')
+    regex=options.regex
     get_power=options.get_power
     get_volts=options.get_volts
     get_current=options.get_current
@@ -649,7 +658,7 @@ if '0.7.' in pywbemversion:
     c = conntest.EnumerateInstances('CIM_Card')
   except:
     #raise
-    verboseoutput("Connection error, disable SSL certification verification (probably patched pywbem)")
+    verboseoutput("Connection error, disable SSL certificate verification (probably patched pywbem)")
     wbemclient = pywbem.WBEMConnection(hosturl, (user,password), no_verification=True)
   else:
     verboseoutput("Connection worked")
@@ -730,7 +739,13 @@ for classe in ClassesToCheck :
       verboseoutput("  Element Name = "+elementName)
 
       # Ignore element if we don't want it
-      if elementName in ignore_list :
+      if (regex == True) and (len(ignore_list) > 0) :
+        for ignore in ignore_list :
+          if re.search(ignore, elementName, re.IGNORECASE) :
+            verboseoutput("    (ignored through regex)")
+            regex_ignore_list.append(elementName)
+
+      if (elementName in ignore_list) or (elementName in regex_ignore_list) :
         verboseoutput("    (ignored)")
         continue