[PVE-User] Feedback

[paul]

Hi Dietmar,

Sorry, please ignore (2)
I totally misread your code snippet, and misinterpreted the '-q' option to 
traceroute.


Kind Regards,
Paul.

----- Original Message ----- 
From: "paul" <paul at vldm.com>
To: "PVE" <pve-user at pve.proxmox.com>
Sent: Wednesday, May 14, 2008 7:14 PM
Subject: Re: [PVE-User] Feedback


> Hi Dietmar,
>
> I think there could be some issues with this approach -
>
> 1) The script assumes that the user is connected to a network with 
> internet
> access, during the install. This might not be the case, and also a user 
> may
> need to configure vlans/multiple network cards,etc before they can access
> the internet.
> Also, corporate firewalls may block traceroutes.
> But I suppose if traceroute fails, you can use a default (e.g. the current
> apt sources.list setting)
>
> 2) If you use this method, a more reliable approach might be to do a
> traceroute with no limit on the number of hops, check each ip address in
> turn, to see if it is publicly routable (i.e. not 10.0.0.0/8, 
> 172.16.0.0/12,
> 192.168.0.0/16), and then use the first public ip that is found.
> (obviously you need a public ip address, to work out which country it is
> allocated to)
>
> 3) Does the apt repository need to be configured during the install 
> anyway?
> It is only first used when the user has booted into PVE, and tries to use
> apt / aptitude
> So, could there be a default apt.sources (set up as it is currently), but
> then a drop down list of mirrors within the system configuration section 
> of
> the web console.
>
> Could this setting then also change the apt sources.list for all existing
> templates, and existing virtual servers as well?
> This could be very useful if the mirror you normally use becomes 
> unavailable
> for any length of time, or becomes unreliable - you change the setting in
> one place, and all the virtual servers are updated :-)
>
> I'm sure you already know this, but for other people reading this, a list 
> of
> debian mirrors can be found at http://www.debian.org/mirror/list
>
>
> Kind Regards,
> Paul
>
> ----- Original Message ----- 
> From: "Dietmar Maurer" <dietmar at proxmox.com>
> To: "PVE" <pve-user at pve.proxmox.com>
> Sent: Wednesday, May 14, 2008 9:00 AM
> Subject: Re: [PVE-User] Feedback
>
>
>>
>>> We don't want to ask users. Instead we need a way to
>>> autodetect the best
>>> mirror - but currently I don't know how to do it. Any ideas?
>>>
>>>
>>>
>>> Maybe look at some way of telling what country the IP is
>>> originating from, or just ask the user for their country and
>>> pick one from there
>>>
>>
>> Well, I am thinking of something like:
>> ---------------------------------------------------------
>> #!/usr/bin/perl -w
>>
>> use strict;
>>
>>
>> open (TMP, "traceroute -q 1 -w 2 -n www.debian.org|");
>>
>> while (my $line = <TMP>) {
>>
>>    if ($line =~ m/\s*\d\s+(\d+\.\d+\.\d+\.\d+)\s/) {
>>        my $geoip = `geoiplookup $1`;
>>        if ($geoip =~ m/GeoIP Country Edition:\s*([A-Z]+),/) {
>>            print "Country: $1\n";
>>            last;
>>        }
>>    }
>> }
>> close (TMP);
>> -------------------------------------------------------------
>>
>> But dont know how reliable that is.
>>
>> - Dietmar
>>
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>>
>
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