[one-users] root user creates checkpoint directory on cluster node instead of oneadmin

[Carlos Martín Sánchez]

Hi Pieter,

Thanks for sharing your solution. We've added a warning about changing the
VM_DIR in the Ubuntu Platform Notes [1].

Regards,
Carlos.

[1] http://opennebula.org/documentation:rel2.2:notes

--
Carlos Martín, MSc
Project Major Contributor
OpenNebula - The Open Source Toolkit for Cloud Computing
www.OpenNebula.org <http://www.opennebula.org/> | cmartin at opennebula.org


On 8 April 2011 11:39, Pieter Simoens <pieter.simoens at intec.ugent.be> wrote:

>  Dear all
>
> sorry for spamming the list, but I want to report the solution for my
> issues as well, just to close this thread....
>
> Apparently, I had misconfigured the
> /etc/apparmor.d/abstractions/libvirt-qemu...
> First, there was a typo in the line I had added.
>
> Second, I had configured a specific VM_DIR, and you have to add an
> additional exception to the apparmor.d file!
> In my case, this was VM_DIR=/work/onimages, and I had to add an additional
> line:
> ---> owner /srv/cloud/one/var/** rw,
> --> owner /work/onimages/** rw,
>
> Of course, restart the apparmor daemon again.
>
> I do not know whether this is a generic "issue", maybe it should be added
> to the documentation on the OpenNebula website? Now, there is only a warning
> for the /srv/cloud/one/var directory...
>
> Best regards,
> Pieter
>
>
>
> Op 8/04/2011 10:52, Pieter Simoens schreef:
>
> Dear all,
>
> following up on my e-mail below: according to
> http://dev.opennebula.org/issues/131, this should be solved in my version
> (I am running 2.0).
>
> It seems it has to do with the way you connect to the virsh socket
> (qemu:///system ?)
>
> So, I think the question is: where is the variable $LIBVIRT_URI specified?
> At least, that is the variable that is used in the /var/remotes/vmm/kvm/save
> script?
>
> Best regards,
> Pieter
>
> Op 8/04/2011 10:18, Pieter Simoens schreef:
>
> Dear all,
>
> when I issue a command "onevm stop VM_ID'', the Virtual Machine stays in
> the save state. On my front-end node, the log-files (both oned.log and
> vm.log) show no specific error.
>
> However, when I have a look at the virsh log-file on my cluster node
> (/var/log/libvirt/qemu/one-22.log), I see the error: "sh: cannot create
> /work/onimages/VM_ID/images/checkpoint: Permission denied".
>
> Strangely enough, the permissions of /work/onimages/VM_ID/images directory
> are set correctly (or so I think...): oneadmin is the owner, and cloud is
> the group. Also the uid and gid are identical to the oneadmin user on my
> frontend. But the images/checkpoint directory seems to be owned by the root
> user, belonging to the root group.
>
> Does anybody have an idea how this can be possible? Did I configure my
> cluster node in the wrong way?
>
> Thank you,
> Pieter
>
> Op 5/04/2011 14:49, Carlos Martín Sánchez schreef:
>
> Hi Pieter, please find my comments inline:
>
>
> On 5 April 2011 13:42, Pieter Simoens <pieter.simoens at intec.ugent.be>wrote:
>
>>  Dear all,
>>
>> I am running OpenNebula 2.0. I am able to successfully deploy a VM on a
>> cluster node. The image is (currently) transferred over SSH. The VM boots
>> successfully, and I am able to log-in.
>>
>> When I do "onevm shutdown VM_ID", the VM is correctly shut down. But it
>> does no longer appear in the output of "onevm list all".
>>
>>
> That's the normal behaviour, VMs in DONE state are not listed. However, you
> can still see the extended information using 'onevm show <id>', because they
> are stored in the DB for accounting purposes.
>
>
>>  However, as far as I can recall from my previous experiments, I thought
>> that the VM image would we transferred back, somewhere to VM_DIR/VM_ID
>> directory.
>>
>> Unfortunately, this is not happening. Does anybody has any idea what can
>> be the cause? Do I need to specify any additional parameters? The log-files
>> show me no specific problem (I checked the oned.log and the
>> /var/VM_ID/vm.log).
>>
>>
>
> Are you using the Image Repository [1]? If so, is the Image persistent?
> If you are defining the DISKs in the VM templates as in previous versions,
> make sure the attribute SAVE=YES is present.
>
>
>>
>> Thank you,
>>
>
> Regards,
> Carlos.
>
> [1] http://opennebula.org/documentation:rel2.2:img_guide
>
> --
> Carlos Martín, MSc
> Project Major Contributor
> OpenNebula - The Open Source Toolkit for Cloud Computing
> www.OpenNebula.org <http://www.opennebula.org/> | cmartin at opennebula.org
>
>   --
>> Pieter Simoens, Ph.D.
>> Department of Information Technology
>> Internet Based Communication Networks and Services (IBCN)
>> Ghent University - IBBT
>> Gaston Crommenlaan 8 (Bus 201), B-9050 Gent, Belgium
>> T: +32 9 33 14878 ; T Secr: +32 9 33 14900
>> F: +32 9 33 14899
>> W : www.ibcn.intec.UGent.be
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>
> --
> Pieter Simoens, Ph.D.
> Department of Information Technology
> Internet Based Communication Networks and Services (IBCN)
> Ghent University - IBBT
> Gaston Crommenlaan 8 (Bus 201), B-9050 Gent, Belgium
> T: +32 9 33 14878 ; T Secr: +32 9 33 14900
> F: +32 9 33 14899
> W : www.ibcn.intec.UGent.be
>
>
> _______________________________________________
> Users mailing listUsers at lists.opennebula.orghttp://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>
> --
> Pieter Simoens, Ph.D.
> Department of Information Technology
> Internet Based Communication Networks and Services (IBCN)
> Ghent University - IBBT
> Gaston Crommenlaan 8 (Bus 201), B-9050 Gent, Belgium
> T: +32 9 33 14878 ; T Secr: +32 9 33 14900
> F: +32 9 33 14899
> W : www.ibcn.intec.UGent.be
>
>
> _______________________________________________
> Users mailing listUsers at lists.opennebula.orghttp://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>
> --
> Pieter Simoens, Ph.D.
> Department of Information Technology
> Internet Based Communication Networks and Services (IBCN)
> Ghent University - IBBT
> Gaston Crommenlaan 8 (Bus 201), B-9050 Gent, Belgium
> T: +32 9 33 14878 ; T Secr: +32 9 33 14900
> F: +32 9 33 14899
> W : www.ibcn.intec.UGent.be
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
>
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