Re: non root deploy ceph 17.2.5 failed

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And I just tried with docker as well, works too.

Zitat von Eugen Block <eblock@xxxxxx>:

Hi,

I just retried without the single-host option and it worked. Also everything under /tmp/var belongs to root in my case. Unfortunately, I can't use the curl-based cephadm but the contents are identical, I compared. Not sure what it could be at the moment.

Zitat von Ben <ruidong.gao@xxxxxxxxx>:

Hi, It is uos v20(with kernel 4.19), one linux distribution among others.
no matter since cephadm deploys things in containers by default. cephadm is
pulled by curl from Quincy branch of github.

I think you could see some sort of errors if you remove parameter
--single-host-defaults.

More investigation shows it looks like a bug with cephadm.
during the deploying procedure
,/tmp/var/lib/ceph/ad3a132e-e9ee-11ed-8a19-043f72fb8bf9/cephadm.059bfc99f5cf36ed881f2494b104711faf4cbf5fc86a9594423cc105cafd9b4e.new
is created through sudo ssh session remotely(with owner of root) and
/tmp/var/lib/ceph/ad3a132e-e9ee-11ed-8a19-043f72fb8bf9/ is changed to owner
of ssh user deployer. The correct thing to do instead is,  /tmp/var/ be
changed to the owner deployer recursively so that following scp can have
access permission.
I will see if having time to wire up a PR to fix it.

Thanks for help on this.
Ben


Eugen Block <eblock@xxxxxx> 于2023年5月8日周一 21:01写道:

Hi,

could you provide some more details about your host OS? Which cephadm
version is it? I was able to bootstrap a one-node cluster with both
17.2.5 and 17.2.6 with a non-root user with no such error on openSUSE
Leap 15.4:

quincy:~ # rpm -qa | grep cephadm
cephadm-17.2.6.248+gad656d572cb-lp154.2.1.noarch

deployer@quincy:~> sudo cephadm --image quay.io/ceph/ceph:v17.2.5
bootstrap --mon-ip 172.17.2.3 --skip-monitoring-stack --ssh-user
deployer --single-host-defaults
Verifying ssh connectivity ...
Adding key to deployer@localhost authorized_keys...
Verifying podman|docker is present...
Verifying lvm2 is present...
Verifying time synchronization is in place...
Unit chronyd.service is enabled and running
Repeating the final host check...
podman (/usr/bin/podman) version 4.4.4 is present
[...]
Ceph version: ceph version 17.2.5
(98318ae89f1a893a6ded3a640405cdbb33e08757) quincy (stable)
Extracting ceph user uid/gid from container image...
Creating initial keys...
Creating initial monmap...
Creating mon...
Waiting for mon to start...
Waiting for mon...
mon is available
[...]
Adding key to deployer@localhost authorized_keys...
Adding host quincy...
Deploying mon service with default placement...
Deploying mgr service with default placement...
[...]
Bootstrap complete.

Zitat von Ben <ruidong.gao@xxxxxxxxx>:

Hi,

with following command:

sudo cephadm  --docker bootstrap --mon-ip 10.1.32.33
--skip-monitoring-stack
  --ssh-user deployer
the user deployer has passwordless sudo configuration.
I can see the error below:

debug 2023-05-04T12:46:43.268+0000 7fc5ddc2e700  0 [cephadm ERROR
cephadm.ssh] Unable to write

szhyf-xx1d002-hx15w:/var/lib/ceph/ad3a132e-e9ee-11ed-8a19-043f72fb8bf9/cephadm.059bfc99f5cf36ed881f2494b104711faf4cbf5fc86a9594423cc105cafd9b4e:
scp:

/tmp/var/lib/ceph/ad3a132e-e9ee-11ed-8a19-043f72fb8bf9/cephadm.059bfc99f5cf36ed881f2494b104711faf4cbf5fc86a9594423cc105cafd9b4e.new:
Permission denied

Traceback (most recent call last):

  File "/usr/share/ceph/mgr/cephadm/ssh.py", line 222, 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

Any ideas on this?

Thanks,
Ben
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