Can't log/print in header_filter_by_lua

[Ramesh Muraleedharan]

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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>
>
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