Add ceph/files/radosgw.initd and ceph.radosgw state that installs it;

sls/ceph/files/radosgw.initd

@@ -0,0 +1,26 @@
+#!/sbin/openrc-run
+
+ceph_conf="${ceph_conf:-/etc/ceph/ceph.conf}"
+extra_commands="reload"
+daemon_id="${RC_SVCNAME#radosgw.}"
+command="/usr/bin/radosgw"
+pidfile="/run/ceph/client.${daemon_id}.pid"
+command_args="-n client.${daemon_id} --pid-file ${pidfile} -c ${ceph_conf}"
+start_stop_daemon_args="--user ceph --group ceph"
+
+depend() {
+        after net ntpd ntp-client chronyd
+        before netmount
+}
+
+start_pre() {
+        checkpath -d -q -o ceph "$(dirname "${pidfile}")"
+}
+
+reload() {
+        ebegin "Reloading ${RC_SVCNAME}"
+        start-stop-daemon --signal 1 ${start_stop_daemon_args} --pidfile "${pidfile}"
+        eend $?
+}
+
+# vim:ft=gentoo-init-d:ts=4:sts=4:sw=4:noet:

sls/ceph/radosgw.sls

@@ -0,0 +1,12 @@
+include:
+  - ceph.pkg
+
+/etc/init.d/ragosgw:
+  file.managed:
+    - source: salt://ceph/files/radosgw.initd
+    - mode: 755
+    - user: root
+    - group: root
+    - require:
+      - pkg: ceph
+