[Openstack] SSH permissions (was: Re: Error during live migration)

Guilherme Russi luisguilherme.cr at gmail.com
Mon Aug 19 13:36:19 UTC 2013


The VM looks to be there:

du -h instances/
4,0K instances/keys
1,9G instances/_base
0 instances/locks
310M instances/edca1460-9c97-475e-997b-3266b235e797
260M instances/0fe59b28-04a3-41bb-9926-b7d139a70548
323M instances/aeda1c56-72ba-40a7-9857-01a622540505
7,0M instances/f4af662d-ae55-4346-82cf-a997192706b5
264M instances/483f98e3-8ef5-43e2-8c3a-def55abdabcd
268M instances/eeb81e32-32ce-49fa-8249-afc572f26233
268M instances/c0224f0d-d7e8-4621-8c1a-af68740a3267
188M instances/72ec37a3-b209-4729-b628-005fdcea5a3c
12M instances/2c7c123b-456a-4c70-a991-80efee541324
11M instances/c9e1c5ed-a108-4196-bfbc-24495e2e71bd
6,5M instances/96d8f2de-a72d-40b5-b083-1f5e511f91ce
531M instances/1b35a4a6-e158-48d3-a804-44b05ec171d0
529M instances/1a2b6146-6ef0-4d76-a603-e4715b4dfb62
514M instances/f6cb9f81-9281-419f-9e20-adaa6a07cea3
2,7G instances/75e479cf-37a4-4511-b2a5-d4f3027702d4_resize
2,4G instances/75e479cf-37a4-4511-b2a5-d4f3027702d4
11G instances/


It's still running, no Error messagem from dashboard (it is showing Status:
Resize/Migrate - Task: Resizing or Migrating - Power State: Running). The
logs are not showing that permission error anymore. Should I wait to see if
it will migrate or returns another error status? One thing is true, the
machine is really slow now :P

Regards.

Guilherme.


2013/8/19 Razique Mahroua <razique.mahroua at gmail.com>

> Looks like the file doesn't exist.
> Can you spawn a new instance and try to migrate it again?
> thanks
>
> *Razique Mahroua** - **Nuage & Co*
> razique.mahroua at gmail.com
> Tel : +33 9 72 37 94 15
>
>
> Le 19 août 2013 à 13:41, Guilherme Russi <luisguilherme.cr at gmail.com> a
> écrit :
>
> Hello Peter,
>
>  Thank you for your help too :)
>  I've changed the permission and now I'm getting another error when I try
> to migrate:
>
> cat /var/log/nova/nova-compute.log | grep -E ERROR
> 2013-08-19 08:17:19.990 12667 ERROR nova.manager [-] Error during
> ComputeManager._run_image_cache_manager_pass: Unexpected error while
> running command.
> 2013-08-19 08:23:40.309 12667 ERROR nova.network.quantumv2 [-]
> _get_auth_token() failed
> 2013-08-19 08:24:27.013 12667 ERROR nova.virt.libvirt.driver [-] Getting
> disk size of instance-000000bc: [Errno 2] No such file or directory:
> '/var/lib/nova/instances/75e479cf-37a4-4511-b2a5-d4f3027702d4/disk'
>
>
> cat /var/log/nova/nova-compute.log | grep -E TRACE
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager Traceback (most recent
> call last):
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/manager.py", line 241, in
> periodic_tasks
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager     task(self, context)
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4020, in
> _run_image_cache_manager_pass
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager
> self.driver.manage_image_cache(context, filtered_instances)
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3401,
> in manage_image_cache
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager
> self.image_cache_manager.verify_base_images(context, all_instances)
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagecache.py", line
> 588, in verify_base_images
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager
> self._handle_base_image(img, base_file)
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/imagecache.py", line
> 553, in _handle_base_image
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager
> virtutils.chown(base_file, os.getuid())
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/utils.py", line 449, in
> chown
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager     execute('chown',
> owner, path, run_as_root=True)
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/utils.py", line 47, in
> execute
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager     return
> utils.execute(*args, **kwargs)
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager   File
> "/usr/lib/python2.7/dist-packages/nova/utils.py", line 239, in execute
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager     cmd=' '.join(cmd))
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager ProcessExecutionError:
> Unexpected error while running command.
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager Command: sudo
> nova-rootwrap /etc/nova/rootwrap.conf chown 123
> /var/lib/nova/instances/_base/b0d90eb60f048f6de16c3efbc0eb4c16cbac77a6
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager Exit code: 1
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager Stdout: ''
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager Stderr: 'Traceback (most
> recent call last):\n  File "/usr/bin/nova-rootwrap", line 108, in
> <module>\n    os.getlogin(), pwd.getpwuid(os.getuid())[0],\nOSError: [Errno
> 22] Invalid argument\n'
> 2013-08-19 08:17:19.990 12667 TRACE nova.manager
> 2013-08-19 08:23:40.309 12667 TRACE nova.network.quantumv2 Traceback (most
> recent call last):
> 2013-08-19 08:23:40.309 12667 TRACE nova.network.quantumv2   File
> "/usr/lib/python2.7/dist-packages/nova/network/quantumv2/__init__.py", line
> 40, in _get_auth_token
> 2013-08-19 08:23:40.309 12667 TRACE nova.network.quantumv2
> httpclient.authenticate()
> 2013-08-19 08:23:40.309 12667 TRACE nova.network.quantumv2   File
> "/usr/lib/python2.7/dist-packages/quantumclient/client.py", line 198, in
> authenticate
> 2013-08-19 08:23:40.309 12667 TRACE nova.network.quantumv2     raise
> exceptions.Unauthorized(message=body)
> 2013-08-19 08:23:40.309 12667 TRACE nova.network.quantumv2 Unauthorized:
> Request Timeout
> 2013-08-19 08:23:40.309 12667 TRACE nova.network.quantumv2
>
> Any ideas?
>
> Regards.
>
> Guilherme.
>
>
> 2013/8/19 Peter Funk <pf at artcom-gmbh.de>
>
>> Guilherme Russi wrote 16.08.2013 um 09:53:
>> >  Here is my directory configs:
>> >
>> > drwxrwxrwx  2 nova nova     76 Ago 15 14:54 .ssh
>> >
>> > I made chmod a+xwr at the folder at all computers, I made it because I
>> > couldn't find the reason I was no allowed to migrate, can it be like
>> that?
>>
>> For SSH to work the permissions of $HOME/.ssh should look like this:
>>   drwx------  2 nova nova     76 Ago 15 14:54 .ssh
>>
>> Use:
>>   chmod -R go-rwx .ssh
>>
>> Regards, Peter Funk
>> --
>> Peter Funk, home: ✉Oldenburger Str.86, D-27777 Ganderkesee
>> mobile:+49-179-640-8878 phone:+49-421-20419-0 <http://www.artcom-gmbh.de/
>> >
>> office: ArtCom GmbH, ✉Haferwende 2, D-28357 Bremen, Germany
>>
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