[one-users] vmm driver result in shell

[Tobias Zillner]

Yes it worked fine for me. Thank you for the advice!

Now I am working on how to save the examiation results. The one document
way sounds very nice.

Can you give me some exapmles how to use them?

Regards,
Tobias




2013/3/25 Carlos Martín Sánchez <cmartin at opennebula.org>

> The message sent from the core to the drivers is built
> by VirtualMachineManager::format_message. This message is then received by
> the driver, see for instance one_vmm_exec.rb poll method, and decoded
> (VirtualMachineDriver.rb).
>
> I guess you can safely add a new xml element to the message if you need to.
>
>
> Let me know if this works out.
>
> Regards
> --
> Carlos Martín, MSc
> Project Engineer
> OpenNebula - The Open-source Solution for Data Center Virtualization
> www.OpenNebula.org | cmartin at opennebula.org | @OpenNebula<http://twitter.com/opennebula><cmartin at opennebula.org>
>
>
> On Mon, Mar 25, 2013 at 1:47 PM, Tobias Zillner <tobias.zillner at gmx.at>wrote:
>
>>  It depends which commad i am executing. Dump memory is resource
>> intesive but commds like read the process list shoudn't cost to much
>> performance.
>>
>> The problem is that the usershould be able to choose wich command is
>> executed. So i must add a possibility to get this command to the driver. Or
>> am i thinking wrong?
>>
>> Regards,
>>
>> Tobias
>>
>> *Gesendet:* Montag, 25. März 2013 um 13:19 Uhr
>> *Von:* "Carlos Martín Sánchez" <cmartin at opennebula.org>
>> *An:* "Tobias Zillner" <tobias.zillner at gmx.at>
>> *Cc:* users <users at lists.opennebula.org>
>> *Betreff:* Re: [one-users] vmm driver result in shell
>> Is your command very resource-intensive?
>>
>> I'm thinking that maybe you could just add your commands to the periodic
>> VM monitorization. Or add a flag somewhere to indicate if the operation
>> should be done in the next poll action... If you avoid to change the
>> OpenNebula code it will be easier to distribute, use with newer versions,
>> etc.
>> --
>> Carlos Martín, MSc
>> Project Engineer
>> OpenNebula - The Open-source Solution for Data Center Virtualization
>> www.OpenNebula.org | cmartin at opennebula.org | @OpenNebula<http://twitter.com/opennebula>
>>
>> On Mon, Mar 25, 2013 at 12:59 PM, Tobias Zillner <tobias.zillner at gmx.at>wrote:
>>>
>>> Hi,
>>>
>>> thank you for your quick answer!
>>>
>>> I am executing a volatility command  on the driver. Results are some
>>> kind of lists or process information which is show directly on the
>>> screen/shell.
>>>
>>> At the moment i added functionality to one.vm.action to process my
>>> commands. Which part would be best to save the results in a document
>>> ressource or add it to the vm template?
>>> How can i invoke this?
>>>
>>> Regards,
>>> Tobias
>>>
>>> 2013/3/25 Carlos Martín Sánchez <cmartin at opennebula.org>
>>>>
>>>> Hi,
>>>>
>>>> What kind of results will you present to the user?
>>>>
>>>>
>>>> The commands that trigger a driver action are asynchronous, so you
>>>> can't get any result immediately to the user.
>>>>
>>>> If you are modifying the c++ core, you could add your custom
>>>> information in the VM template, this way the users will see it in the
>>>> 'onevm show' output.
>>>>
>>>> Or you could use the generic document resources [1]. These are just
>>>> like the templates managed with onetemplate; they will store anything and
>>>> will also have owner, group, acl, permissions...
>>>>
>>>> Regards
>>>>
>>>> [1]
>>>> http://opennebula.org/documentation:rel3.8:api#actions_for_document_management
>>>> --
>>>> Carlos Martín, MSc
>>>> Project Engineer
>>>> OpenNebula - The Open-source Solution for Data Center Virtualization
>>>> www.OpenNebula.org | cmartin at opennebula.org | @OpenNebula<http://twitter.com/opennebula>
>>>>
>>>>  On Fri, Mar 22, 2013 at 2:37 PM, Tobias Zillner <tobias.zillner at gmx.at
>>>> > wrote:
>>>>
>>>>>  Hello,
>>>>>
>>>>> my Name is Tobias Zillner and I am working on a master thesis about
>>>>> forensics in the cloud.
>>>>>
>>>>> For my practical part I decided to add forensic services to open
>>>>> nebula.
>>>>>
>>>>> So i extended the onevm commad and added a function forensics. I
>>>>> extended the whole way through the code.
>>>>> At the moment i am able to execute my own vmmd script, in which a
>>>>> forensic tool (volatility) is called and analyse the virtual machines.
>>>>>
>>>>> But now I don't know how to get the result back to the user. Basically
>>>>> i want to create a scenario like this:
>>>>>
>>>>> A user just puts in onevm forensics id and the analysis result is
>>>>> shown to him in the screen.
>>>>>
>>>>> Anybody can help me here and tell me what funtions to call or how the
>>>>> way back to the user shell works?
>>>>> Does anyone have experience with adding funtions and the flow of
>>>>> commands through the code?
>>>>>
>>>>> THX!
>>>>>
>>>>> Best Regards,
>>>>>
>>>>> Tobias
>>>>>  _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.opennebula.org
>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>>>
>>>>
>>>>
>
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