Can't log/print in header_filter_by_lua

[Ramesh Muraleedharan]

OK. I was able to resolve it by doing a clean install of nginx. Dunno what
the underlying issue was, but my hunch is I was logging to an a different
location and the logs I was looking at were the default logs from nginx.

Thanks anyway!


On Mon, May 20, 2013 at 2:47 PM, Ramesh Muraleedharan
<ramesh1987 at gmail.com>wrote:

> I've tried print() as well, and neither that nor ngx.log() have worked as
> yet.
>
>
> On Mon, May 20, 2013 at 2:42 PM, Jader H. Silva <jaderhs5 at gmail.com>wrote:
>
>> *ngx.print()* is only valid for r*ewrite_by_lua*, access_by_lua* and
>> content_by_lua*.* Maybe your looking for* print()
>>
>> ngx.log* should work though*.
>> *
>>
>> *
>> *
>>
>>
>> 2013/5/20 Ramesh Muraleedharan <ramesh1987 at gmail.com>
>>
>>> Hi all,
>>>
>>> I've been experimenting with rewriting 'Set Cookie' headers in a
>>> nginx-reverse-proxy effort.
>>>
>>> The Set-Cookie rewrite doesn't seem to work yet, and more importantly,
>>> my log/print statements don't print to error_log as directed, making it
>>> very difficult to debug.
>>>
>>> http {
>>>
>>> server {
>>>      access_log /home/bhedia/access.log;
>>>      #error_log /home/bhedia/errors.log debug;
>>>      error_log /home/bhedia/errors.log notice;
>>>
>>>      listen   80;
>>>
>>>      root /usr/share/nginx/www;
>>>      #index index.html index.htm;
>>>
>>>      # Make site accessible from http://localhost:8080/
>>>      server_name localhost;
>>>
>>>      location / {
>>>
>>>           proxy_pass           http://10.45.17.85:50088/;
>>>           proxy_set_header     Host booga.booga.com;
>>>           #proxy_cookie_domain    test-sites.com booga.booga.com;
>>>
>>>           header_filter_by_lua '
>>>         ngx.log(ngx.NOTICE, "hello world")
>>>                local cookies = ngx.header.set_cookie
>>>                if not cookies then return end
>>>                if type(cookies) ~= "table" then cookies = {cookies} end
>>>                local newcookies = {}
>>>                for i, val in ipairs(cookies) do
>>>                    local newval = string.gsub(val,
>>> "([dD]omain)=[%w_-\\\\.-]+",
>>>                           "%1=booga.booga.com")
>>>    ngx.print(val)
>>>    ngx.print(newval)
>>>                    table.insert(newcookies, newval)
>>>                end
>>>                ngx.header.set_cookie = newcookies
>>>               ';
>>>      }
>>> }
>>> }
>>>
>>> Any help would be appreciated.
>>>
>>> Thanks!
>>>
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>>> nginx at nginx.org
>>> http://mailman.nginx.org/mailman/listinfo/nginx
>>>
>>
>>
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