Clarification (was: service that has no associated host...)

[prosolutions at gmx.net]

I will try to clarify this a little bit:


              _____________
             |  monitoring |
             |  system     |
             |             |
             | (nagios)    |
              -------------
                   |
                   |
                   |  MYAPP    (test MYAPP, send request through
                   |  test      external gateway to load-balanced
                   |  script    cluster)
                   |
               routed through
                external 
		gateway
                   |
                   |
             ______|___________
            |  load-balancing  |
            | cluster director |
            |__________________|
             |       |        |
             |       |        |
           __|_    __|_     __|_
          |    |  |    |   |    |  application servers
           ----    ----     ----    (running MYAPP)
                                    

I want to define two instances of service MYAPP: MYAPP_peak_hours and
MYAPP_off_peak both of which run at different times of day.  The
event_handler will be my custom script which is configured to connect to
an external gateway.  The requests get routed to a load-balancing
cluster director and answered by one of several servers in a pool.  I am
not sure what host_name is supposed to be or why I even need to
configure one in nagios.  In this instance, it doesn't seem to make
sense to me.  I am not checking a host.  I am checking a service which
is handled by a cluster of hosts.  The IP address that the actual test
script connects to has nothing to do with my app.  There is no need to
ping any specific server here to see if it is alive.  I just want to run
the test script at regular intervals.


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