[squid-users] Change url_rewrite_program problem

[Eliezer Croitoru]

Hey Berni,

I was wondering to myself, why do you need to rewrite the url?
Can't you just use a cache_peer and couple acls?

Eliezer

On 18/08/2015 16:43, Hicham Berni wrote:
> Hi,
>
> We have a squid reverse configuration, and we need to change  backend
> webserver  with a new webserver with new IP and port (80 --> 8000) .
>
> Old squid configuration used url_rewrite_program. I 'not familar with this
> configuration.
> With port changing on new web server ( 80 --> 8000) , i find that i had to
> add new production web on url_rerite_program.
>
> I tried to change program , but i met a issue.
>
> on part 1 --> current rewrite program configuration  running today and
> correctly  for testurl --> running fine
> on part 2 --> configuration with change  for testurl and productionurl ->
> OK for productionurl and KO for testurl
>
> An idea if something is wrong on change ?
>
> Part 1)  old configuration :
>
> #!/usr/bin/perl
>
> $INTERNALIP="15.40.40.40";
> $PRODUCTIONURL="add.ptr.lu";
> $TESTURL="test.add.ptr.lu";
> $TESTPORT="8001";
>
> # turn off write buffering
> $| = 1;
> while (<>) {
>
>    # get the URL from the request
>    chomp($url = $_);
>
>    if ($url =~ m/($INTERNALIP|$TESTURL):$TESTPORT/)
>    {
>      # fix up the cname and port
>      $url =~ s^:$TESTPORT^^;
>      $url =~ s^$INTERNALIP^$TESTURL^;
>
>      # fix the protocol
>      $url =~ s^https://^http://^;
>    }
>    else
>    {
>      # fix up the name
>      $url =~ s^$INTERNALIP^$PRODUCTIONURL^;
>
>      # fix the protocol
>      $url =~ s^http://^https://^;
>    }
>
>    # return the fixed URL to squid
>    print "$url\n";
> }
>
>
> Part 2) configuration with changes
>
> #!/usr/bin/perl
>
> $INTERNALIP="15.40.40.40";
> $PRODUCTIONURL="add.ptr.lu";
> $TESTURL="test.add.ptr.lu";
> $TESTPORT="8001";
> $PRODPORT="8000";
>
> # turn off write buffering
> $| = 1;
> while (<>) {
>
>    # get the URL from the request
>    chomp($url = $_);
>
>    if ($url =~ m/($INTERNALIP|$TESTURL):$TESTPORT/)
>    {
>      # fix up the cname and port
>      $url =~ s^:$TESTPORT^^;
>      $url =~ s^$INTERNALIP^$TESTURL^;
>
>      # fix the protocol
>      $url =~ s^https://^http://^;
>    }
>
> elsif ($url =~ m/($INTERNALIP|$PRODUCTIONURL):$PRODPORT/)
>    {
>      # fix up the cname and port
>      $url =~ s^:$PRODPORT^^;
>      $url =~ s^$INTERNALIP^$PRODURL^;
>
>      # fix the protocol
>      $url =~ s^https://^http://^;
>    }
>
>    else
>    {
>      # fix up the name
>      $url =~ s^$INTERNALIP^$PRODUCTIONURL^;
>
>      # fix the protocol
>      $url =~ s^http://^https://^;
>    }
>
>    # return the fixed URL to squid
>    print "$url\n";
> }
>
>
>
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