varnish cache kurulumu ve konfigürasyonu

# güncellemeler için
aptitude update && aptitude full-upgrade

# varnish yüklemesi için apt paket düzenlemesi
curl [url]http://repo.varnish-cache.org/debian/GPG-key.txt[/url] | apt-key add -
vim /etc/apt/sources.list.d/varnish.list
	deb [url]http://repo.varnish-cache.org/debian/[/url] squeeze varnish-3.0

# varnis-cache i yükleyelim
aptitude install varnish

vim /etc/default/varnish
	#şimdilik loglama yapılacak klasör için belirleyelim
	INSTANCE=default

	#-a parametresi varnishi dinleyecek kısım
	DAEMON_OPTS="-a :80 \
        -T localhost:6082 \
        -f /etc/varnish/default.vcl \
        -S /etc/varnish/secret \
        -s file,/var/lib/varnish/$INSTANCE/varnish_storage.bin,1GB"

vim /etc/varnish/default.vcl
	backend default {
	    	.host = "127.0.0.1";
    		.port = "8080";
    		.connect_timeout = 600s;
    		.first_byte_timeout = 600s;
    		.between_bytes_timeout = 600s;
	}

# apache web servisimizin dinlediği portları düzeltelim
vim /etc/apache2/ports.conf
	NameVirtualHost *:8080
	Listen 8080

# apache host ayar dosyamızıda düzeltelim
vim /etc/apache2/sites-available/default
	<VirtualHost *:8080>

mkdir /var/lib/varnish/default
chown varnish: /var/lib/varnish/default


#kontrol edelim
netstat -anp --tcp --udp | grep LISTEN

# cache dosyamız ne alemde cachliyormu acaba ?
du -k /var/lib/varnish/default/varnish_storage.bin

# bu kısım vcl düzeltme örneğidir.
# analytics ayarlarımızı yapalım
sub vcl_recv {
        # dışardan  gelen ipleri olduğu gibi apachemize aktaralım
        remove req.http.X-Forwarded-For;
        set req.http.X-Forwarded-For = client.ip;
       
        # Remove has_js and Google Analytics __* cookies.
        set req.http.Cookie = regsuball(req.http.Cookie, "(^|;\s*)(__[a-z]+|has_js)=[^;]*", "");
        # Remove a ";" prefix, if present.
        set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", "");
        # Remove empty cookies.
        if (req.http.Cookie ~ "^\s*$") {
          unset req.http.Cookie;
        }

        # image dosyalarını cachle
        if ((req.url ~ "\.(gif|jpg|jpeg|bmp|png|tiff|tif|ico|img|tga|wmf)$"))
        {
                unset req.http.cookie;
                return(lookup);
        }

        # detay sayfalar cacheden gelsin
        if (req.url ~ "\/detay\/")
        {
                unset req.http.cookie;
                return(lookup);
        }

        # xml
        if (req.url ~ "\.(xml)$") {
                unset req.http.cookie;
                return(lookup);
        }

        # phpmyadmin
        if (req.url ~ "\/mytest\/|sql\.php") {
              return(pass);
        }
        unset req.http.Cookie;
        return (lookup);
}

# Redirection routine
sub vcl_error {
    if (obj.status == 750) {
        set obj.http.Location = obj.response;
        set obj.status = 302;
        return(deliver);
    }
}

sub vcl_fetch {

        #--- Php  başlangıç
        # phpmyadmin
        if (req.url ~ "\/mytest\/|sql\.php") {
                return (hit_for_pass);
        }
        #--- Php Son

        # xml
        if (req.url ~ "\.(xml)$") {
                return (hit_for_pass);
        }

        unset beresp.http.Set-Cookie;
        set beresp.ttl = 60s;

        if (req.url ~ "\.(gif|jpg|jpeg|bmp|png|tiff|tif|ico|img|tga|wmf)$")
        {
                unset beresp.http.set-cookie;
                set beresp.ttl = 48h;
        }

        # detay sayfalar 10 saniye ne varsa cacheden gelsin
        if (req.url ~ "\/detay\/")
        {
                unset beresp.http.set-cookie;
                set beresp.ttl = 60s;
        }

        return(deliver);
}

 sub vcl_pipe {
     # Note that only the first request to the backend will have
     # X-Forwarded-For set.  If you use X-Forwarded-For and want to
     # have it set for all requests, make sure to have:
     # set bereq.http.connection = "close";
     # here.  It is not set by default as it might break some broken web
     # applications, like IIS with NTLM authentication.
     return (pipe);
 }

 sub vcl_pass {
     return (pass);
 }

 sub vcl_hit {
     return (deliver);
 }

aptitude install libapache2-mod-rpaf

vim /etc/apache2/apache2.conf
	RPAFenable On
	RPAFproxy_ips 127.0.0.1
	LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" varnishcombined