[AGENT++] Proposal: Explicit save of persistent objects via SNMP

[Frank Fock]

Hi Henning.

I am still thinking about the MIB extension needed to best support
dynamic configuration storage. First I thought, it could be a valuable
feature to be able to specify which parts of the agent's MIB to store
where. But the more I think about it, the more I doubt that this
is really useful. What do you think?

Another option would be to schedule configuration storage. Probably,
storing the configuration each hour or each night could be useful,
couldn't it?

Thanks,
Frank


Frank Fock wrote:

> Hi Henning,
>
> I am currently working on the MIB. I will be able to
> post my proposal here later this week. My proposal
> will be table based and open for other/future persistent
> storage formats/types like XML or SQL.
>
> Best regards,
> Frank
>
> Henning Eggers wrote:
>
>> Hi Frank!
>>
>>  
>>
>>> I like your idea and I have to admit that I regret that it wasn't mine!
>>>   
>>
>> ;-)
>> Thanks for the compliment!
>>
>>  
>>
>>> Within the next day(s) I will create a new revision of the
>>> AGENTPP_CONFIG_MIB with a proposal for the new functions
>>> you have enumerated.
>>>   
>>
>>
>> I have already done this (in another MIB) and could easily move this 
>> to the
>> AGENTPP_CONFIG_MIB. Shall I do this and post it here for discussion?
>>
>>  
>>
>>> As an extension of your ideas I will check if providing a backup config
>>> directory is also possible.
>>>   
>>
>>
>> Do you mean to leave the persistent path readonly and provide an extra
>> read/write object for the backup path? Sounds good. The action object 
>> would
>> then have to be extended to include saveBackup(4) and restoreBackup(5).
>>
>> Another extension I played with in my mind was to be able to specify the
>> MIB-Module or subtree to save to file. There is a list of MibGroup 
>> objects
>> in the Mib class that could be used to select a module. Entering a 
>> base oid
>> for a subtree should be quite simple. But both require some work on the
>> existing code, I guess.
>>
>>  
>>
>>> I will post the MIB here, and after the communities feedback I will
>>> implement the instrumentation.
>>>   
>>
>>
>> I have already done the implementation of the objects for which I didn't
>> habe to change the existing code (readonly persistent path, the  
>> TimeStamp
>> objects, the saveAll operation) which turned out quite straight 
>> forward. I
>> can put that into the config_mib code for you to review.
>>
>> On the other hand you seemed quite excited to do the stuff yourself 
>> (a true
>> coder! ;-) so I am holding back a little... :-)
>>
>>
>> Cheers,
>> Henning
>>
>>
>>
>>  
>>
>
>
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