Initial release

Initial release of plugin, NRPE and sudoers configuration and RPM spec
file

check_omd-sudo-template

@@ -0,0 +1,5 @@
+#Make _SURE_ to check usernames and paths, depending on your Linux distribution
+#Replace site with your OMD site name and nrpe with your NRPE user
+#It might also be necessary to adjust the path of check_omd.py
+
+#nrpe ALL = (site) NOPASSWD: /usr/lib64/nagios/plugins/check_omd.py

check_omd.cfg

@@ -0,0 +1 @@
+command[check_omd]=/usr/bin/sudo -u $ARG1$ /usr/lib64/nagios/plugins/check_omd.py

check_omd.py

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+#!/usr/bin/python
+
+# check_omd.py - a script for checking a particular
+# OMD site status
+#
+# 2016 By Christian Stankowic
+# <info at stankowic hyphen development dot net>
+# https://github.com/stdevel
+#
+
+from optparse import OptionParser
+import subprocess
+import io
+
+
+
+def getSiteStatus():
+	#get username
+	proc = subprocess.Popen("whoami", stdout=subprocess.PIPE)
+	site = proc.stdout.read().rstrip()
+	if options.debug: print "DEBUG: It seems like I'm OMD site '{0}'".format(site)
+
+	#get OMD site status
+	cmd = ['omd', 'status', '-b']
+	if options.debug: print "DEBUG: running command '{0}'".format(cmd)
+	proc = subprocess.Popen(cmd, stderr=subprocess.PIPE, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
+	res, err = proc.communicate()
+
+	if err:
+		if "no such site" in err:
+			print "UNKNOWN: unable to check site: '{0}' - did you miss running this plugin as OMD site user?".format(err.rstrip())
+		else:
+			print "UNKNOWN: unable to check site: '{0}'".format(err.rstrip())
+		exit(3)
+	if res:
+		#check all services
+		fail_srvs=[]
+		if options.debug: print "DEBUG: Got result '{0}'".format(res)
+		for line in io.StringIO(res.decode('utf-8')):
+			service = line.rstrip().split(" ")[0]
+			status = line.rstrip().split(" ")[1]
+			if service not in options.exclude:
+				#check service
+				if status != "0":
+					fail_srvs.append(service)
+					if options.debug: print "{0} service has failed state ({1})".format(service, status)
+			else:
+				if options.debug: print "Ignoring '{0}' as it's blacklisted...".format(service)
+		if len(fail_srvs) == 0:
+			print "OK: OMD site '{0}' services are running.".format(site)
+			exit(0)
+		else:
+			print "CRITICAL: OMD site '{0}' has failed service(s): '{1}'".format(site, ' '.join(fail_srvs))
+			exit(2)
+
+
+
+if __name__ == "__main__":
+	#define description, version and load parser
+	desc='''%prog is used to check a particular OMD site status. By default, the script only checks a site's overall status. It is also possible to exclude particular services and only check the remaining services (e.g. rrdcached, npcd, icinga, apache, crontab).
+	
+	Checkout the GitHub page for updates: https://github.com/stdevel/check_omd'''
+	parser = OptionParser(description=desc,version="%prog version 1.0.0")
+
+	#-d / --debug
+	parser.add_option("-d", "--debug", dest="debug", default=False, action="store_true", help="enable debugging outputs")
+
+	#-e / --exclude
+	parser.add_option("-x", "--exclude", dest="exclude", default=["OVERALL"], action="append", metavar="SERVICE", help="defines one or more services that should be excluded")
+
+	#parse arguments
+	(options, args) = parser.parse_args()
+
+	#debug outputs
+	if options.debug: print "OPTIONS: {0}".format(options)
+
+	#check site status
+	getSiteStatus()

nagios-plugins-check_omd.spec

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+Name:           nagios-plugins-check_omd
+Version:        1.0
+Release:        1%{?dist}
+Summary:        A Nagios / Icinga plugin for checking OMD sites.
+
+Group:          Applications/System
+License:        GPL
+URL:            https://github.com/stdevel/check_omd
+Source0:        nagios-plugins-check_omd-%{version}.tar.gz
+BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+
+#BuildRequires:
+Requires:       omd
+
+%description
+This package contains a Nagios / Icinga plugin for checking a OMD site's services.
+
+Check out the GitHub page for further information: https://github.com/stdevel/check_omd
+
+%prep
+%setup -q
+
+%build
+#change /usr/lib64 to /usr/lib if we're on i686
+%ifarch i686
+sed -i -e "s/usr\/lib64/usr\/lib/" check_omd.cfg
+%endif
+
+%install
+install -m 0755 -d %{buildroot}%{_libdir}/nagios/plugins/
+install -m 0750 -d %{buildroot}%{_sysconfdir}/sudoers.d
+install -m 0755 check_omd.py %{buildroot}%{_libdir}/nagios/plugins/check_omd.py
+install -m 0440 check_omd-sudo-template %{_sysconfdir}/sudoers.d/check_omd-sudo-template
+%if 0%{?el7}
+        install -m 0755 -d %{buildroot}%{_sysconfdir}/nrpe.d/
+        install -m 0755 check_omd.cfg  %{buildroot}%{_sysconfdir}/nrpe.d/check_omd.cfg
+%else
+        install -m 0755 -d %{buildroot}%{_sysconfdir}/nagios/plugins.d/
+        install -m 0755 check_omd.cfg  %{buildroot}%{_sysconfdir}/nagios/plugins.d/check_omd.cfg
+%endif
+
+%post
+echo "NOTE: Don't forget to alter /etc/sudoers.d/check_omd-sudo-template to match your OMD installation"
+
+
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%if 0%{?el7}
+        %config %{_sysconfdir}/nrpe.d/check_omd.cfg
+%else
+        %config %{_sysconfdir}/nagios/plugins.d/check_omd.cfg
+%endif
+%config %{_sysconfdir}/sudoers.d/check_omd-sudo-template
+%{_libdir}/nagios/plugins/check_omd.py*
+
+
+%changelog
+* Tue Jun 07 2016 Christian Stankowic <info@stankowic-development.net> - 1.0.1
+- Initial release