Add check_matrix.py test

Dockerfile

@@ -40,6 +40,7 @@ ADD https://raw.githubusercontent.com/stump/check_sshfp/master/check_sshfp /usr/
 ADD https://raw.githubusercontent.com/matteocorti/check_ssl_cert/master/check_ssl_cert /usr/lib/nagios/plugins/check_ssl_cert
 ADD https://gist.githubusercontent.com/nemunaire/9669659/raw/977cfce7246249c17e213b0b2b231220257754fa/nagios-status.pl /usr/bin/nagios-status.pl
 RUN chmod 755 /usr/lib/nagios/plugins/check_sshfp /usr/lib/nagios/plugins/check_ssl_cert /usr/bin/nagios-status.pl
+COPY check_matrix.py /usr/lib/nagios/plugins/check_matrix
 
 ENTRYPOINT ["/docker-entrypoint.sh"]
 USER nagios

check_matrix.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+import argparse
+import http.client
+import json
+import sys
+
+parser = argparse.ArgumentParser(description='Nagios plugin for Matrix federation test.')
+parser.add_argument('domain')
+args = parser.parse_args()
+
+conn = http.client.HTTPSConnection("federation-tester.p0m.fr")
+conn.request("GET", "/api/report?server_name=" + args.domain)
+tester = json.load(conn.getresponse())
+
+msg = ""
+try:
+    msg += "- " + tester["Version"]["name"] + " " + tester["Version"]["version"]
+except:
+    pass
+
+if tester["FederationOK"]:
+    print("MATRIX FEDERATION OK " + msg)
+    sys.exit(0)
+elif len(tester["ConnectionReports"]):
+    print("MATRIX FEDERATION WARNING " + msg)
+    sys.exit(1)
+else:
+    print("MATRIX FEDERATION CRITICAL " + msg)
+    sys.exit(2)