You can verify that your configuration file works by starting Icinga 2:
----
-$ /usr/sbin/icinga2 -c /etc/icinga2/icinga2.conf
+$ /usr/bin/icinga2 -c /etc/icinga2/icinga2.conf
[2013/04/23 13:36:20 +0200] <Main Thread> information/icinga-app: Icinga application loader (version: 0.0.1, git branch master, commit 0fcbfdb2)
[2013/04/23 13:36:20 +0200] <Main Thread> information/base: Adding library search dir: /usr/lib/icinga2
[2013/04/23 13:36:20 +0200] <Main Thread> information/base: Loading library 'libicinga.la'
%{_sysconfdir}/%{name}
#%config(noreplace) %{_sysconfdir}/%{name}/%{name}.conf
%attr(755,-,-) %{_sysconfdir}/init.d/%{name}
-%{_sbindir}/%{name}
+%{_bindir}/%{name}
%{_libdir}/%{name}
%{_datadir}/doc/%{name}
%{_datadir}/%{name}
%changelog
* Sat May 04 2013 Michael Friedrich <michael.friedrich@netways.de> - 0.0.2-1
-- icinga2 binary in sbindir
- new initscript in initdir
- itl is installed into datadir
- man pages in mandir