Is ICY really listening on localhost:3128 ?
If you telnet directly to that, does it work?
On 3/9/11 6:36 PM, David Young wrote:
> Hi folks,
>
> First-time poster here - we've been working on implementing haproxy to
> perform load balancing between our backend squid proxies.
>
> I stumbled across an issue today when I realized that I can't listen to
> streaming radio via my haproxy instance, but that it works fine if I
> direct my request to one of by backend proxies directly.
>
> A bit of searching lead me to the issue of HTTP/1.1 vs ICY as the
> probable cause
> (http://www.squid-cache.org/Versions/v3/3.1/RELEASENOTES.html#ss2.10).
>
> I thought that if I configured haproxy in "mode tcp" instead of "mode
> http", that it'd behave more like a simple loadbalancer, and just pass
> the request onto my squid backend verbatim, but that doesn't seem to
> have worked either.
>
> An example URL I'm having trouble with is http://66.225.205.47/;stream.mp3
>
> Even in "mode tcp", if I request that URL through by browser from
> haproxy, I get a 502 error, whereas if I requested it directly from the
> backend squid instance which services my request anyway, I get the
> expected headers and stream.
>
> I thought I'd try telnetting to the haproxy / squid ports respectively,
> to test, and I received differing output (below).
>
> Can anybody enlighten me?
>
> Many thanks,
> David
>
> -- Relevant haproxy.cfg --
>
> #---------------------------------------------------------------------
> # Global settings
> #---------------------------------------------------------------------
> global
> log 127.0.0.1 local2
> log /dev/log local2
> chroot /var/lib/haproxy
> pidfile /var/run/haproxy.pid
> maxconn 4000
> user haproxy
> group haproxy
> daemon
>
> #---------------------------------------------------------------------
> # common defaults that all the 'listen' and 'backend' sections will
> # use if not designated in their block
> #---------------------------------------------------------------------
> defaults
> mode http
> log global
> option dontlognull
> option http-server-close
> option httplog
>
> # Log on start of connection, not completion
> option logasap
>
> # log errors separately
> option log-separate-errors
>
> option forwardfor
> option redispatch
> timeout connect 10000 # default 10 second time out if a backend is
> not found
> timeout client 300000
> timeout server 300000
> maxconn 60000
> retries 3
>
>
> #---------------------------------------------------------------------
> # main frontend which proxys to the backends
> #---------------------------------------------------------------------
> frontend test_frontend *:5001
> mode tcp
> option tcpka
> default_backend test_backend
>
>
> backend test_backend
> balance roundrobin
> server localhost localhost:3128
>
>
>
> -- Telnet to haproxy infront of single squid tcp backend --
>
> DavidBook:~ davidy$ telnet webscan-dev.blahblah.net 5001
> Trying x.x.x.x...
> Connected to webscan-dev.blahblah.net.
> Escape character is '^]'.
> GET http://66.225.205.47/;stream.mp3
> HTTP/1.0 502 Bad Gateway
> Cache-Control: no-cache
> Connection: close
> Content-Type: text/html
>
> <html><body><h1>502 Bad Gateway</h1>
> The server returned an invalid or incomplete response.
> </body></html>
> Connection closed by foreign host.
> DavidBook:~ davidy$
>
>
> -- Telnet to squid directly --
>
> DavidBook:~ davidy$ telnet webscan-dev.blahblah.net 3128
> Trying x.x.x.x...
> Connected to webscan-dev.blahblah.net.
> Escape character is '^]'.
> GET http://66.225.205.47/;stream.mp3
> ICY 200 OK
> Date: Thu, 10 Mar 2011 02:25:55 GMT
> icy-notice1:<BR>This stream requires<a
> href="http://www.winamp.com/">Winamp</a><BR>
> icy-notice2: SHOUTcast Distributed Network Audio Server/Linux v1.9.8<BR>
> icy-name: Family Friendly WBGL
> icy-genre: Contemporary Christian
> icy-url: http://www.wbgl.org
> Content-Type: audio/mpeg
> icy-pub: 1
> icy-br: 96
> X-Cache: MISS from webscan-dev.blahblah.net
> X-Cache-Lookup: MISS from webscan-dev.blahblah.net:3128
> Via: 0.0 webscan-dev.blahblah.net (squid/3.1.11)
> Connection: close
>
> 00/Ȯt?????sƸD?,?4A?Q`F??BA????B??@(???u??kTC???????<binary stream
> continues...>
>
Received on 2011/03/10 04:32
This archive was generated by hypermail 2.2.0 : 2011/03/10 04:45 CET