Re: Error on upgrading to 15.2.4 / invalid service name using containers

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Thanks! I've created https://tracker.ceph.com/issues/46497

Am 13.07.20 um 11:51 schrieb Mario J. Barchéin Molina:
> Hello. We finally solved the problem, we just deleted the failed service
> with:
> 
>  # ceph orch rm mds.label:mds
> 
> and after that, we could finish the upgrade to 15.2.4.
> 
> 
> El vie., 10 jul. 2020 a las 3:41, Mario J. Barchéin Molina (<
> mario@xxxxxxxxxxxxxxxx>) escribió:
> 
>> Hello. I'm trying to upgrade to ceph 15.2.4 from 15.2.3. The upgrade is
>> almost finished, but it has entered in a service start/stop loop. I'm using
>> a container deployment over Debian 10 with 4 nodes. The problem is with a
>> service named literally "mds.label:mds". It has the colon character, which
>> is of special use in docker. This character can't appear in the name of the
>> container and also breaks the volumen binding syntax.
>>
>> I have seen in the /var/lib/ceph/UUID/ the files for this service:
>>
>> root@ceph-admin:/var/lib/ceph/0ce93550-b628-11ea-9484-f6dc192416ca# ls
>> -la
>> total 48
>> drwx------ 12    167     167 4096 jul 10 02:54 .
>> drwxr-x---  3 ceph   ceph    4096 jun 24 16:36 ..
>> drwx------  3 nobody nogroup 4096 jun 24 16:37 alertmanager.ceph-admin
>> drwx------  3    167     167 4096 jun 24 16:36 crash
>> drwx------  2    167     167 4096 jul 10 01:35 crash.ceph-admin
>> drwx------  4    998     996 4096 jun 24 16:38 grafana.ceph-admin
>> drwx------  2    167     167 4096 jul 10 02:55
>> mds.label:mds.ceph-admin.rwmtkr
>> drwx------  2    167     167 4096 jul 10 01:33 mgr.ceph-admin.doljkl
>> drwx------  3    167     167 4096 jul 10 01:34 mon.ceph-admin
>> drwx------  2 nobody nogroup 4096 jun 24 16:38 node-exporter.ceph-admin
>> drwx------  4 nobody nogroup 4096 jun 24 16:38 prometheus.ceph-admin
>> drwx------  4 root   root    4096 jul  3 02:43 removed
>>
>>
>> root@ceph-admin:/var/lib/ceph/0ce93550-b628-11ea-9484-f6dc192416ca/mds.label:mds.ceph-admin.rwmtkr#
>> ls -la
>> total 32
>> drwx------  2  167  167 4096 jul 10 02:55 .
>> drwx------ 12  167  167 4096 jul 10 02:54 ..
>> -rw-------  1  167  167  295 jul 10 02:55 config
>> -rw-------  1  167  167  152 jul 10 02:55 keyring
>> -rw-------  1  167  167   38 jul 10 02:55 unit.configured
>> -rw-------  1  167  167   48 jul 10 02:54 unit.created
>> -rw-------  1 root root   24 jul 10 02:55 unit.image
>> -rw-------  1 root root    0 jul 10 02:55 unit.poststop
>> -rw-------  1 root root  981 jul 10 02:55 unit.run
>>
>> root@ceph-admin:/var/lib/ceph/0ce93550-b628-11ea-9484-f6dc192416ca/mds.label:mds.ceph-admin.rwmtkr#
>> cat unit.run
>> /usr/bin/install -d -m0770 -o 167 -g 167
>> /var/run/ceph/0ce93550-b628-11ea-9484-f6dc192416ca
>> /usr/bin/docker run --rm --net=host --ipc=host --name
>> ceph-0ce93550-b628-11ea-9484-f6dc192416ca-mds.label:mds.ceph-admin.rwmtkr
>> -e CONTAINER_IMAGE=docker.io/ceph/ceph:v15 -e NODE_NAME=ceph-admin -v
>> /var/ru
>> n/ceph/0ce93550-b628-11ea-9484-f6dc192416ca:/var/run/ceph:z -v
>> /var/log/ceph/0ce93550-b628-11ea-9484-f6dc192416ca:/var/log/ceph:z -v
>> /var/lib/ceph/0ce93550-b628-11ea-9484-f6dc192416ca/crash:/var/lib/ceph/c
>> rash:z -v
>> /var/lib/ceph/0ce93550-b628-11ea-9484-f6dc192416ca/mds.label:mds.ceph-admin.rwmtkr:/var/lib/ceph/mds/ceph-label:mds.ceph-admin.rwmtkr:z
>> -v /var/lib/ceph/0ce93550-b628-11ea-9484-f6dc192416ca/mds.l
>> abel:mds.ceph-admin.rwmtkr/config:/etc/ceph/ceph.conf:z --entrypoint
>> /usr/bin/ceph-mds docker.io/ceph/ceph:v15 -n
>> mds.label:mds.ceph-admin.rwmtkr -f --setuser ceph --setgroup ceph
>> --default-log-to-file=fal
>> se --default-log-to-stderr=true --default-log-stderr-prefix="debug "
>>
>> If I try to manually run the docker command, this is the error:
>>
>> docker: Error response from daemon: Invalid container name
>> (ceph-0ce93550-b628-11ea-9484-f6dc192416ca-mds.label:mds.ceph-admin.rwmtkr),
>> only [a-zA-Z0-9][a-zA-Z0-9_.-] are allowed.
>>
>> If I try with a different container name, then the volume binding error
>> rises:
>>
>> docker: Error response from daemon: invalid volume specification:
>> '/var/lib/ceph/0ce93550-b628-11ea-9484-f6dc192416ca/mds.label:mds.ceph-admin.rwmtkr:/var/lib/ceph/mds/ceph-label:mds.ceph-admin.rwmtkr:z'.
>>
>> This mds is not needed and I would be happy simply removing it, but I
>> don't know how to do it. The documentation says how to do it for "normal"
>> services, but my installation is a container deployment. I have tried to
>> remove the directory and restart the upgrading process but then the
>> directory with this service appears again.
>>
>> Please, how can I remove or rename this service so I can complete the
>> upgrading?
>>
>> Also, I think it's a bug to allow docker-forbidden characters in the
>> service names when using container deployment and it should be checked.
>>
>> Thank you very much.
>>
>> --
>> *Mario J. Barchéin Molina*
>> *Departamento de I+D+i*
>> mario@xxxxxxxxxxxxxxxx
>> Madrid: +34 911 86 35 46
>> US: +1 (918) 856 - 3838
>> Granada: +34 958 07 70 70
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