ceph.spec.in: use _udevrulesdir to eliminate conditionals

The conditionals governing where 50-rbd.rules is installed were not doing the
right thing on SUSE distros.

Start using the %_udevrulesdir RPM macro, while taking care that it is defined
and set to the right value. Use it to eliminate some conditionals around other
udev rules files as well.

http://tracker.ceph.com/issues/12166 Fixes: #12166

Signed-off-by: Nathan Cutler <ncutler@suse.com>
(cherry picked from commit 8aa758e)

Conflicts:
	ceph.spec.in
            hammer does not yet have _with_systemd or ceph_daemon.py

ceph.spec.in

@@ -5,6 +5,8 @@
 %{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")}
 %endif
 
+%{!?_udevrulesdir: %global _udevrulesdir /lib/udev/rules.d}
+
 #################################################################################
 # common
 #################################################################################
@@ -486,13 +488,8 @@ chmod 0644 $RPM_BUILD_ROOT%{_docdir}/ceph/sample.ceph.conf
 chmod 0644 $RPM_BUILD_ROOT%{_docdir}/ceph/sample.fetch_config
 
 # udev rules
-%if 0%{?rhel} >= 7 || 0%{?fedora}
-install -m 0644 -D udev/50-rbd.rules $RPM_BUILD_ROOT/usr/lib/udev/rules.d/50-rbd.rules
-install -m 0644 -D udev/60-ceph-partuuid-workaround.rules $RPM_BUILD_ROOT/usr/lib/udev/rules.d/60-ceph-partuuid-workaround.rules
-%else
-install -m 0644 -D udev/50-rbd.rules $RPM_BUILD_ROOT/lib/udev/rules.d/50-rbd.rules
-install -m 0644 -D udev/60-ceph-partuuid-workaround.rules $RPM_BUILD_ROOT/lib/udev/rules.d/60-ceph-partuuid-workaround.rules
-%endif
+install -m 0644 -D udev/50-rbd.rules $RPM_BUILD_ROOT%{_udevrulesdir}/50-rbd.rules
+install -m 0644 -D udev/60-ceph-partuuid-workaround.rules $RPM_BUILD_ROOT%{_udevrulesdir}/60-ceph-partuuid-workaround.rules
 
 %if (0%{?rhel} && 0%{?rhel} < 7)
 install -m 0644 -D udev/95-ceph-osd-alt.rules $RPM_BUILD_ROOT/lib/udev/rules.d/95-ceph-osd.rules
@@ -604,13 +601,8 @@ fi
 %{_libdir}/rados-classes/libcls_version.so*
 %dir %{_libdir}/ceph/erasure-code
 %{_libdir}/ceph/erasure-code/libec_*.so*
-%if 0%{?rhel} >= 7 || 0%{?fedora}
-/usr/lib/udev/rules.d/60-ceph-partuuid-workaround.rules
-/usr/lib/udev/rules.d/95-ceph-osd.rules
-%else
-/lib/udev/rules.d/60-ceph-partuuid-workaround.rules
-/lib/udev/rules.d/95-ceph-osd.rules
-%endif
+%{_udevrulesdir}/60-ceph-partuuid-workaround.rules
+%{_udevrulesdir}/95-ceph-osd.rules
 %config %{_sysconfdir}/bash_completion.d/ceph
 %config(noreplace) %{_sysconfdir}/logrotate.d/ceph
 %{_mandir}/man8/ceph-deploy.8*
@@ -672,11 +664,7 @@ fi
 %config(noreplace) %{_sysconfdir}/ceph/rbdmap
 %{_initrddir}/rbdmap
 %{python_sitelib}/ceph_argparse.py*
-%if 0%{?rhel} >= 7 || 0%{?fedora}
-/usr/lib/udev/rules.d/50-rbd.rules
-%else
-/lib/udev/rules.d/50-rbd.rules
-%endif
+%{_udevrulesdir}/50-rbd.rules
 
 %postun -n ceph-common
 # Package removal cleanup