Rewrite mirrored request

[Jurian Broertjes]

Hi Roman,

That seems to work, thanks!

Best regards,
Jurian

On 29-05-18 14:28, Roman Arutyunyan wrote:
> Hi Jurian,
>
> On Tue, May 29, 2018 at 11:18:26AM +0200, Jurian Broertjes wrote:
>> Hi Roman,
>>
>> Thank you for your answer, but it's not clear to me how to do this.
>>
>> The request I'd like to mirror is something like
>> http://solrproxy.example.org/prd-solr/abc/select?xyz, so I would expect the
>> "prd-solr" part to be rewritten for the mirror requests. The log says:
>>
>> "GET /prd-solr/abc/select?xyz HTTP/1.0
>> Host: cloud
>>
>> Do you have a suggestion on how to get it to "/solr/abc/select?xyz
> If the only reason why you need this rewrite is proxy_pass, then just pass it
> a modified uri.
>
> map $request_uri $new_uri {
>      ~^/prd-solr/(.*)$  /solr/$1;
> }
>
> location /mirror {
>      internal;
>      proxy_pass http://cloud$new_uri;
> }
>
>> Best regards,
>> Jurian
>>
>>
>> On 28-05-18 17:50, Roman Arutyunyan wrote:
>>> Hello Jurian,
>>>
>>> On Mon, May 28, 2018 at 03:38:45PM +0200, Jurian Broertjes wrote:
>>>> Hi All,
>>>>
>>>> I'm trying to do a simple rewrite of a mirrored request, see the snippet
>>>> below. I'm under the impression that mirrored requests somehow cannot be
>>>> rewritten. Is this the case or am I doing something wrong here? Is there
>>>> some other way to get the job done?
>>>>
>>>>    location / {
>>>>      mirror /mirror;
>>>> ....
>>>>      proxy_pass http://slave;
>>>>    }
>>>>
>>>>    location /mirror {
>>>>      internal;
>>>>
>>>>      rewrite prd-solr solr;
>>>>      proxy_pass http://cloud;
>>>>    }
>>> Mirror requests can be rewritten.  But keep in mind that a mirror subrequest
>>> has a different URI than the original request.  In your case it's /mirror.
>>> So unless 'prd-solr' matches it, rewrite will not happen.
>>>
>>> Normally $request_uri is used to access the original request URI in a mirror
>>> subrequest.
>>>
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