Check the output carefully, the OP was using a 5 year old version of ceph-deploy.
Updating brought success, presumably with Nautilus.
> On Apr 5, 2020, at 11:06 AM, Brent Kennedy <bkennedy(a)cfl.rr.com> wrote:
>
> If you are deploying the octopus release, it cant be installed on CentOS 7 (
> must use centOS 8 currently ). Cant quite tell from that short log snippet.
>
> -Brent
>
> -----Original Message-----
> From: sz_cuitao(a)163.com <sz_cuitao(a)163.com>
> Sent: Sunday, April 5, 2020 2:36 AM
> To: ceph-users <ceph-users(a)ceph.io>
> Subject: [ceph-users] Cann't create ceph cluster
>
> hi!
>
> why can not create custer using ceph-deploy?
>
> Please give me some advice,thanks!
>
>
>
>
> [root@cadmin ~]# cat /etc/redhat-release CentOS Linux release 7.7.1908
> (Core) [root@cadmin ~]# [root@cadmin ~]# python --version Python 2.7.5
> [root@cadmin ~]# [root@cadmin ~]# [root@cadmin ~]# su - cephuser Last login:
> Sat Apr 4 23:44:23 CST 2020 on pts/0 [cephuser@cadmin ~]$ [cephuser@cadmin
> ~]$ cd cluster/ [cephuser@cadmin cluster]$ [cephuser@cadmin cluster]$
> ceph-deploy new cadmin [ceph_deploy.conf][DEBUG ] found configuration file
> at: /home/cephuser/.cephdeploy.conf [ceph_deploy.cli][INFO ] Invoked
> (1.5.25): /bin/ceph-deploy new cadmin [ceph_deploy.new][DEBUG ] Creating new
> cluster named ceph [ceph_deploy.new][INFO ] making sure passwordless SSH
> succeeds [ceph_deploy][ERROR ] Traceback (most recent call last):
> [ceph_deploy][ERROR ] File
> "/usr/lib/python2.7/site-packages/ceph_deploy/util/decorators.py", line
69,
> in newfunc
> [ceph_deploy][ERROR ] return f(*a, **kw)
> [ceph_deploy][ERROR ] File
> "/usr/lib/python2.7/site-packages/ceph_deploy/cli.py", line 162, in _main
> [ceph_deploy][ERROR ] return args.func(args)
> [ceph_deploy][ERROR ] File
> "/usr/lib/python2.7/site-packages/ceph_deploy/new.py", line 141, in new
> [ceph_deploy][ERROR ] ssh_copy_keys(host, args.username)
> [ceph_deploy][ERROR ] File
> "/usr/lib/python2.7/site-packages/ceph_deploy/new.py", line 35, in
> ssh_copy_keys
> [ceph_deploy][ERROR ] if ssh.can_connect_passwordless(hostname):
> [ceph_deploy][ERROR ] File
> "/usr/lib/python2.7/site-packages/ceph_deploy/util/ssh.py", line 15, in
> can_connect_passwordless
> [ceph_deploy][ERROR ] if not remoto.connection.needs_ssh(hostname):
> [ceph_deploy][ERROR ] AttributeError: 'module' object has no attribute
> 'needs_ssh'
> [ceph_deploy][ERROR ]
>
>
>
>
>
>
>
>
> sz_cuitao(a)163.com
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