Hi,
the docs [1] show how to specifiy the rgw configuration via yaml file
(similar to OSDs).
If you applied it with ceph orch you should see your changes in the
'ceph config dump' output, or like this:
---snip---
ses7-host1:~ # ceph orch ls | grep rgw
rgw.ebl-rgw ?:80 2/2 33s ago 3M ses7-host3;ses7-host4
ses7-host1:~ # ceph config get client.rgw.ebl-rgw
WHO MASK LEVEL OPTION VALUE
RO
global basic container_image
registry.fqdn:5000/ses/7.1/ceph/ceph@sha256:... *
client.rgw.ebl-rgw basic rgw_frontends beast port=80
*
client.rgw.ebl-rgw advanced rgw_realm ebl-rgw
*
client.rgw.ebl-rgw advanced rgw_zone ebl-zone
---snip---
As you see the RGWs are clients so you need to consider that when you
request the current configuration. But what I find strange is that
apparently it only shows the config initially applied, it doesn't show
the changes after running 'ceph orch apply -i rgw.yaml' although the
changes are applied to the containers after restarting them. I don't
know if this is intended but sounds like a bug to me (I haven't
checked).
1) When start rgw with cephadm ("orch apply -i <rgw.yaml>"), I have
to start the daemon
then update configuration file and restart. I don't find a way
to achieve this by single step.
I haven't played around too much yet, but you seem to be right,
changing the config isn't applied immediately, but only after a
service restart ('ceph orch restart rgw.ebl-rgw'). Maybe that's on
purpose? So you can change your config now and apply it later when a
service interruption is not critical.
[1] https://docs.ceph.com/en/pacific/cephadm/services/rgw/
Zitat von Tony Liu <tonyliu0592@xxxxxxxxxxx>:
Hi,
The cluster is Pacific 16.2.10 with containerized service and
managed by cephadm.
"config show" shows running configuration. Who is supported?
mon, mgr and osd all work, but rgw doesn't. Is this expected?
I tried with client.<rgw daemon name from "ceph orch ps"> and
without "client",
neither works.
When issue "config show", who connects the daemon and retrieves
running config?
Is it mgr or mon?
Config update by "config set" will be populated to the service.
Which services are
supported by this? I know mon, mgr and osd work, but rgw doesn't. Is
this expected?
I assume this is similar to "config show", this support needs the
capability of mgr/mon
to connect to service daemon?
To get running config from rgw, I always do
"docker exec <rgw container> ceph daemon <socket> config show".
Is that the only way? I assume it's the same to get running config
from all services.
Just the matter of supported by mgr/mon or not?
I've been configuring rgw by configuration file. Is that the recommended way?
I tried with configuration db, like "config set", it doesn't seem working.
Is this expected?
I see two cons with configuration file for rgw.
1) When start rgw with cephadm ("orch apply -i <rgw.yaml>"), I have
to start the daemon
then update configuration file and restart. I don't find a way
to achieve this by single step.
2) When "orch daemon redeploy" or upgrade rgw, the configuration
file will be re-generated
and I have to update it again.
Is this all how it's supposed to work or I am missing anything?
Thanks!
Tony
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