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

Razique Mahroua razique.mahroua at gmail.com
Mon Aug 19 15:53:30 UTC 2013


quick question, how do you migrate the instance ? and does it belong to the tenant?


Le 19 août 2013 à 15:36, Guilherme Russi <luisguilherme.cr at gmail.com> a écrit :

> 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
> 
> <NUAGECO-LOGO-Fblan_petit.jpg>
> 
> 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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