Re: [naviserver-devel] Runtime config load over HTTP

[Vlad S. <vl...@cr...>]

Good point

Bernd Eidenschink wrote:
> Hi Vlad,
> 
> I like the idea but I would abstain from voting, because I think I personally 
> would write a shellscript for it and make use of "wget" or "curl". Those 
> tools offer tons of options, e.g.
> - http, https, ftp (active/passive mode) support
> - certificates, passwords; http digest authentication
> - http proxy support
> - tls, ssl
> - different retry and timeout parameters
> - server response can be logged etc.
> So this would not have to be maintained in the core. You need some logic 
> anyway that deals with failed connections, so this is - in my opinion - the 
> part of the startup script.
> 
> BTW, such a script could be placed into the contrib section (Would be nice 
> anyway to have examples for different distros, I will soon add one for SuSE)
> 
> No vote against it from me, but I would implement it with external tools.
> 
>> In case of multiple servers sometimes it it is easier to maintain and
>> provision when config files are stored locally. I used to have server
>> software that load config file on startup over HTTP and i would see that
>> a usefull feature for naviserver as well. Image that you start it as
>>
>> nsd -t http://server:80/nsd.tcl
>>
>> and it will get the config file from the central server that will
>> provide what is necessary, even on-the fly generating some config
>> parameters. We have HTTP facility in the core, so it is easy to call it
>> to retrieve the config and continue as usual.
>>
>> Of course there is a posibility that it will not be able to connect and
>> thus will not be able to run but this can be handled by keeping last
>> copy of config and load it in case of network issues.
> 
> 
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Vlad Seryakov
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