puppet: Upgrade nagios.cfg with modern defaults.

puppet/zulip_ops/files/nagios3/nagios.cfg

@@ -905,6 +905,19 @@ process_performance_data=0
 
 
 
+# HOST AND SERVICE PERFORMANCE DATA PROCESS EMPTY RESULTS
+# THese options determine wether the core will process empty perfdata
+# results or not. This is needed for distributed monitoring, and intentionally
+# turned on by default.
+# If you don't require empty perfdata - saving some cpu cycles
+# on unwanted macro calculation - you can turn that off. Be careful!
+# Values: 1 = enable, 0 = disable
+
+#host_perfdata_process_empty_results=1
+#service_perfdata_process_empty_results=1
+
+
+
 # OBSESS OVER SERVICE CHECKS OPTION
 # This determines whether or not Nagios will obsess over service
 # checks and run the ocsp_command defined below.  Unless you're
@@ -1020,6 +1033,22 @@ service_freshness_check_interval=60
 
 
 
+# SERVICE CHECK TIMEOUT STATE
+# This setting determines the state Nagios will report when a
+# service check times out - that is does not respond within
+# service_check_timeout seconds.  This can be useful if a
+# machine is running at too high a load and you do not want
+# to consider a failed service check to be critical (the default).
+# Valid settings are:
+# c - Critical (default)
+# u - Unknown
+# w - Warning
+# o - OK
+
+service_check_timeout_state=c
+
+
+
 # HOST FRESHNESS CHECK OPTION
 # This option determines whether or not Nagios will periodically
 # check the "freshness" of host results.  Enabling this option