Re: cephadm permission denied when extending cluster

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Hi Robert,

Do you think this could be https://tracker.ceph.com/issues/54620 (the
traceback looks similar enough I think it likely is)? We had this issue in
17.2.0 when using a non-root ssh user. If it's the same thing, it should be
fixed for the 17.2.1 release which is planned to be soon.

Thanks,
  - Adam King

On Thu, Jun 23, 2022 at 11:20 AM Robert Reihs <robert.reihs@xxxxxxxxx>
wrote:

> Hi all,
> I am currently trying to setup a test cluster with cephadm on a system with
> ipv6 setup.
> In the ceph.conf I have:
>   ms_bind_ipv4 = false
>   ms_bind_ipv6 = true
> I also have a non standard ssh port set, configured with the ssh-config
> settings.
>
> After bootstrapping the first server I am adding hosts with monitors and
> managers the cluster. The first system has mon and mrg running.
>
> I am getting a permission denied error:
> debug 2022-06-23T14:51:41.776+0000 7f1a31ec8700 -1 log_channel(cephadm) log
> [ERR] : executing refresh((['fsn1-ceph-01', 'fsn1-ceph-02',
> 'fsn1-ceph-03'],)) failed.
> Traceback (most recent call last):
>   File "/usr/share/ceph/mgr/cephadm/ssh.py", line 221, in
> _write_remote_file
>     await asyncssh.scp(f.name, (conn, tmp_path))
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 922, in scp
>     await source.run(srcpath)
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 458, in run
>     self.handle_error(exc)
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 307, in
> handle_error
>     raise exc from None
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 456, in run
>     await self._send_files(path, b'')
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 438, in
> _send_files
>     self.handle_error(exc)
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 307, in
> handle_error
>     raise exc from None
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 434, in
> _send_files
>     await self._send_file(srcpath, dstpath, attrs)
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 365, in
> _send_file
>     await self._make_cd_request(b'C', attrs, size, srcpath)
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 343, in
> _make_cd_request
>     self._fs.basename(path))
>   File "/lib/python3.6/site-packages/asyncssh/scp.py", line 224, in
> make_request
>     raise exc
> asyncssh.sftp.SFTPFailure: scp: /tmp/etc/ceph/ceph.conf.new: Permission
> denied
> During handling of the above exception, another exception occurred:
> Traceback (most recent call last):
>   File "/usr/share/ceph/mgr/cephadm/utils.py", line 76, in do_work
>     return f(*arg)
>   File "/usr/share/ceph/mgr/cephadm/serve.py", line 265, in refresh
>     self._write_client_files(client_files, host)
>   File "/usr/share/ceph/mgr/cephadm/serve.py", line 1052, in
> _write_client_files
>     self.mgr.ssh.write_remote_file(host, path, content, mode, uid, gid)
>   File "/usr/share/ceph/mgr/cephadm/ssh.py", line 238, in write_remote_file
>     host, path, content, mode, uid, gid, addr))
>   File "/usr/share/ceph/mgr/cephadm/module.py", line 569, in wait_async
>     return self.event_loop.get_result(coro)
>   File "/usr/share/ceph/mgr/cephadm/ssh.py", line 48, in get_result
>     return asyncio.run_coroutine_threadsafe(coro, self._loop).result()
>   File "/lib64/python3.6/concurrent/futures/_base.py", line 432, in result
>     return self.__get_result()
>   File "/lib64/python3.6/concurrent/futures/_base.py", line 384, in
> __get_result
>     raise self._exception
>   File "/usr/share/ceph/mgr/cephadm/ssh.py", line 226, in
> _write_remote_file
>     raise OrchestratorError(msg)
> orchestrator._interface.OrchestratorError: Unable to write
> fsn1-ceph-01:/etc/ceph/ceph.conf: scp: /tmp/etc/ceph/ceph.conf.new:
> Permission denied
>
> Thanks!
> Best
> Robert Reihs
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>
>
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