jewel: build/ops: remove SYSTEMD_RUN from initscript

[odivlad]

Closes: http://tracker.ceph.com/issues/16441

systemd-run logic in initscripts was introduced because of ticket http://tracker.ceph.com/issues/7627.
If we have systemd-based distro, we should use systemd unit files from systemd directory to start/stop ceph daemons.
Otherwise, daemon() from /etc/init.d/functions on systemd distro starts service in system.slice and everything works well for case, for example, when we use hammer on RH7. With this code it will start daemon with daemon() function from init.d/functions.
systemd-run can not be run on non-systemd distros, so it's not needed on SysV systems.

Backport of: #9871

Signed-off-by: Vladislav Odintsov odivlad@gmail.com

[smithfarm]

Changelog:

• marked DNM until master PR has been merged and cherry-pick SHA1 double-checked

[smithfarm]

@odivlad Thanks for the backport! Next time, though, please wait until the master PR has been merged and then do the backports using "git cherry-pick -x" so we have the xref to the master SHA1 in the commit message.

[odivlad]

@smithfarm, since my PR to master (#9871) is already merged, please, remove [DNM] prefix.
I've also updated this PR with cherry-picked commits. PR is ready for review.

[smithfarm]

@odivlad Please update the commit message with a description of how the conflicts were resolved (for use in possible future forensic analyses).

[odivlad]

@smithfarm, can you please provide the example of such description?

[tchaikov]

@odivlad you can "git log origin/hammer" for some examples. like

in 4eea92b

Conflicts:
   src/rgw/rgw_rados.cc (hammer write_data() takes rgw_obj reference as
   4th argument, hammer throttle_data() takes rgw_obj as 2nd argument)

and in a2e7ca1

  Conflicts:
   src/test/msgr/perf_msgr_client.cc
   src/test/msgr/perf_msgr_server.cc
   src/test/perf_local.cc
         These three files were not introduced on hammer, just remove

[odivlad]

done

[smithfarm]

If a lead weighs in saying this should be backported to jewel, then I'm OK with it. Otherwise not. See discussion in #9871.

[odivlad]

@smithfarm, I've updated PR with patching only radosgw initscripts.

[smithfarm]

@oritwas wrote that she is OK to merge this, so I'm removing DNM.