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-rw-r--r--config/varnish64/varnish.inc214
1 files changed, 144 insertions, 70 deletions
diff --git a/config/varnish64/varnish.inc b/config/varnish64/varnish.inc
index 3e1aa81e..bf41245d 100644
--- a/config/varnish64/varnish.inc
+++ b/config/varnish64/varnish.inc
@@ -42,6 +42,13 @@ function varnish_settings_post_validate($post, $input_errors) {
$input_errors[] = "A valid number is required for the field 'Maximum worker threads'";
if($post['timeoutworkers'] && !is_numeric($post['timeoutworkers']))
$input_errors[] = "A valid number is required for the field 'Worker thread timeout'";
+ if($post['managment'] && !preg_match("/^\w+:\d+$/",$post['managment']))
+ $input_errors[] = "A valid host/ip:port is required for the field 'managment'";
+ if($post['grace'] && ! preg_match("/^\d+(h|m|s)$/",$post['grace']))
+ $input_errors[] = "A valid number with a time reference is required for the field 'Fetch grace'";
+ if($post['saint'] && ! preg_match("/^\d+(h|m|s)$/",$post['saint']))
+ $input_errors[] = "A valid number with a time reference is required for the field 'Saint mode'";
+
}
function varnish_lb_directors_post_validate($post, $input_errors) {
@@ -49,10 +56,12 @@ function varnish_lb_directors_post_validate($post, $input_errors) {
$input_errors[] = "The directorname name must only contain the characters a-Z or 0-9";
if(stristr($post['directorurl'], 'http'))
$input_errors[] = "You do not need to include the http:// string in the director URL";
+ if($post['grace'] && ! preg_match("/^\d+(h|m|s)$/",$post['grace']))
+ $input_errors[] = "A valid number with a time reference is required for the field 'Req grace'";
}
function varnish_backends_post_validate($post, $input_errors) {
- if (preg_match("/[^a-zA-Z0-9]/", $post['backendname']))
+ if (!$post['backendname'] || preg_match("/[^a-zA-Z0-9]/", $post['backendname']))
$input_errors[] = "The backend name must only contain the characters a-Z or 0-9";
if(!is_ipaddr($post['ipaddress']))
$input_errors[] = "A valid IP address is required for the field 'IPAddress'";
@@ -70,6 +79,15 @@ function varnish_backends_post_validate($post, $input_errors) {
$input_errors[] = "A valid number is required for the field 'probe window'";
if($post['probe_threshold'] && !is_numeric($post['probe_threshold']))
$input_errors[] = "A valid number is required for the field 'probe threshold'";
+ $x=0;
+ while ($post['maptype'.$x] != ""){
+ if($post['grace'.$x] && ! preg_match("/^\d+(h|m|s)$/",$post['grace'.$x])){
+ $input_errors[] = "A valid number with a time reference is required for the field 'grace' in map ".($x +1);
+ }
+ $x++;
+
+}
+
}
function varnish_install() {
@@ -80,53 +98,79 @@ function varnish_deinstall() {
create_varnish_rcd_file();
}
+function text_area_decode($text){
+ return preg_replace('/\r\n/', "\n",base64_decode($text));
+}
function varnish_start() {
global $g, $config;
- if ($config['installedpackages']['varnishsettings']['config'][0]['enablevarnish'])
- mwexec("/usr/local/etc/rc.d/varnish.sh");
- else
- mwexec("/usr/bin/killall varnishd");
+ if ($config['installedpackages']['varnishsettings']['config'][0]['enablevarnish']){
+ mwexec("/usr/local/etc/rc.d/varnish.sh");}
+ else{
+ mwexec("/usr/bin/killall varnishd");}
}
/* Build the URL mappings logic VCL config txt */
function varnish_get_url_mappings_txt() {
- global $g, $config, $urlmappings;
- $backends = "";
+ global $g, $config, $urlmappings,$backends_in_use;
+ $catch_all= "unset";
$isfirst = true;
if($config['installedpackages']['varnishlbdirectors']['config'] != "") {
foreach($config['installedpackages']['varnishlbdirectors']['config'] as $url) {
+ #check options
+ $directo_grace_time=($url['grace']?"\n\t\tset req.grace=".$url['grace'].";":"");
+ $fieldtype = ($url['fieldtype']?$url['fieldtype']:"==");
+ $req=($url['directorurl2']?"url":"http.host");
+ $director_prefix=($url['directorurl'] && $url['directorurl2']?"^http://":"");
+ if ( $url['directorurl'] || $url['directorurl2'] || $catch_all == "unset"){
+ if($url['directorurl']== "" && $url['directorurl2']== ""){
+ #director with no host or url, so director for catch all traffic not specified in config
+ $lasturlmappings = "\n\telse{\n\t\tset req.backend = ".$url['directorname'].";\n\t\t}\n";
+ $catch_all = "set";
+ }
+ else{
if(!$isfirst)
- $urlmappings .= "else ";
+ $urlmappings .= "\telse ";
$urlmappings .= <<<EOAU
-if (req.http.host == "{$url['directorurl']}") {
- set req.backend = {$url['directorname']};
- set req.http.host = "{$url['directorurl']}";
- }
+if (req.{$req} {$fieldtype} "{$director_prefix}{$url['directorurl']}{$url['directorurl2']}") {
+ set req.backend = {$url['directorname']};{$directo_grace_time}
+ }
+
EOAU;
+#set req.http.host = "{$url['directorurl']}";
+ }
$isfirst = false;
+ }
}
}
if($config['installedpackages']['varnishbackends']['config'])
foreach($config['installedpackages']['varnishbackends']['config'] as $urlmapping) {
if($urlmapping['row'])
foreach($urlmapping['row'] as $url) {
- if($url['fieldtype'])
- $fieldtype = $url['fieldtype'];
- else
- $fieldtype = "==";
- if(!$isfirst)
- $urlmappings .= "else ";
- $urlmappings .= <<<EOAU
-if (req.http.host {$fieldtype} "{$url['urlmapping']}") {
- set req.backend = {$urlmapping['backendname']}BACKEND;
- set req.http.host = "{$url['urlmapping']}";
+ $directo_grace_time=($url['grace']?"\n\t\tset req.grace=".$url['grace'].";":"");
+ $req=($url['maptype']?$url['maptype']:"http.host");
+ $fieldtype=($url['fieldtype']?$url['fieldtype']:"==");
+ if ($url['urlmapping'] != "" || $catch_all == 'unset'){
+ if($url['urlmapping'] == ""){
+ $catch_all = "set";
+ $lasturlmappings = "\n\telse{\n\t\tset req.backend = ".$urlmapping['backendname']."BACKEND;\n\t\t}\n";
+ }
+ else{
+ if(!$isfirst)
+ $urlmappings .= "\telse ";
+ $urlmappings .= <<<EOAU
+if (req.{$req} {$fieldtype} "{$url['urlmapping']}") {
+ set req.backend = {$urlmapping['backendname']}BACKEND;{$directo_grace_time}
}
+
EOAU;
- $isfirst = false;
+ }
+ $backends_in_use[$urlmapping['backendname']].=($url['directorurl'] == ""?"catch_all ":"url_map ");
+ $isfirst = false;
+ }
}
}
- return $urlmappings;
+ return $urlmappings.$lasturlmappings;
}
function create_varnish_rcd_file() {
@@ -142,9 +186,11 @@ function create_varnish_rcd_file() {
else
$listeningport = "-a :80";
if($vs['managment'])
- $managment = "-T {$vs['managment']}";
+ $advancedstartup = "-T {$vs['managment']} ";
else
- $managment = "";
+ $advancedstartup = "";
+ if($vs['advancedstartup'])
+ $advancedstartup .= text_area_decode($vs['advancedstartup'])."\n";
if($vs['minworkers'])
$minworkers = "{$vs['minworkers']}";
else
@@ -187,16 +233,17 @@ ENDOFF
-f /var/etc/default.vcl \
{$storage_type} \
-w {$minworkers},{$maxworkers},{$timeoutworkers} \
- {$managment}
+ {$advancedstartup}
EOF;
+
fwrite($fd, $rc_file);
fclose($fd);
exec("chmod a+rx /usr/local/etc/rc.d/varnish.sh");
}
function get_backend_config_txt() {
- global $config, $g;
+ global $config, $g, $backends_in_use;
$backends="";
if($config['installedpackages']['varnishbackends']['config'] != "") {
foreach($config['installedpackages']['varnishbackends']['config'] as $backend) {
@@ -216,6 +263,8 @@ function get_backend_config_txt() {
if (preg_match("@^(http)://(.*)(/.*|/)$@",$backend['probe_url'],$matches)){
$probe_url=".request =\n";
$probe_url.="\t\t\t".'"GET '.$matches[3].' HTTP/1.1"'."\n";
+ $probe_url.="\t\t\t".'"Accept: text/*"'."\n";
+ $probe_url.="\t\t\t".'"User-Agent: Varnish"'."\n";
$probe_url.="\t\t\t".'"Host: '.$matches[2].'"'."\n";
$probe_url.="\t\t\t".'"Connection: Close";';
}
@@ -241,9 +290,12 @@ function get_backend_config_txt() {
else
$probe_threshold = "5";
if (isset($probe_threshold)){
- #last parameter set ,so write conf
+ #last parameter set ,so write conf if backend is in use
+ if ($backends_in_use[$backend['backendname']] != ""){
$backends .= <<<EOFA
+
backend {$backend['backendname']}BACKEND {
+ # used in {$backends_in_use[$backend['backendname']]}
.host = "{$backend['ipaddress']}";
.port = "{$backend['port']}";
.first_byte_timeout = {$first_byte_timeout};
@@ -259,14 +311,19 @@ backend {$backend['backendname']}BACKEND {
EOFA;
+ }
+ else {
+ $backends .= "\n".'# backend '.$backend['backendname']." not in use.\n";
+ }
}
- }
+ }
}
return $backends;
}
function get_lb_directors_config_txt() {
- global $config, $g;
+ global $config, $g, $backends_in_use;
+ $backends="";
if($config['installedpackages']['varnishlbdirectors']['config'] != "") {
foreach($config['installedpackages']['varnishlbdirectors']['config'] as $backend) {
$director = "";
@@ -279,6 +336,7 @@ function get_lb_directors_config_txt() {
$weight = "\t\t.weight = 100;\n";
$director .= "\t{\n\t\t.backend = {$be['backendname']}BACKEND;\n{$weight}\t}";
+ $backends_in_use[$be['backendname']].= $backend['directorname']." ";
}
$backends .= <<<EOFA
director {$backend['directorname']} {$backend['directortype']} {
@@ -299,17 +357,17 @@ function sync_package_varnish() {
if($config['installedpackages']['varnishcustomvcl']['config'] != "") {
foreach($config['installedpackages']['varnishcustomvcl']['config'] as $vcl) {
if($vcl['vcl_recv_early'])
- $vcl_recv_early = base64_decode($vcl['vcl_recv_early']);
+ $vcl_recv_early = text_area_decode($vcl['vcl_recv_early']);
if($vcl['vcl_recv_late'])
- $vcl_recv_late = base64_decode($vcl['vcl_recv_late']);
+ $vcl_recv_late = text_area_decode($vcl['vcl_recv_late']);
if($vcl['vcl_fetch_early'])
- $vcl_fetch_early = base64_decode($vcl['vcl_fetch_early']);
+ $vcl_fetch_early = text_area_decode($vcl['vcl_fetch_early']);
if($vcl['vcl_fetch_late'])
- $vcl_fetch_late = base64_decode($vcl['vcl_fetch_late']);
+ $vcl_fetch_late = text_area_decode($vcl['vcl_fetch_late']);
if($vcl['vcl_pipe_early'])
- $vcl_pipe_early = base64_decode($vcl['vcl_pipe_early']);
+ $vcl_pipe_early = text_area_decode($vcl['vcl_pipe_early']);
if($vcl['vcl_pipe_late'])
- $vcl_pipe_late = base64_decode($vcl['vcl_pipe_late']);
+ $vcl_pipe_late = text_area_decode($vcl['vcl_pipe_late']);
}
}
$vcl_recv_basic='#BASIC VCL RULES'."\n";
@@ -340,6 +398,18 @@ function sync_package_varnish() {
$vcl_recv_basic.="\t".'if (req.request != "GET" && req.request != "HEAD" && req.request != "PUT" && req.request != "POST" &&'."\n";
$vcl_recv_basic.="\t".' req.request != "TRACE" && req.request != "OPTIONS" && req.request != "DELETE") {return(pipe);}'."\n\n";
}
+ else {
+ $vcl_recv_basic.="\t".'if (req.request != "GET" && req.request != "HEAD") {return(pipe);}'."\n";
+ }
+ if($vcl['restarts']){
+ $vcl_restarts=$vcl['restarts'];
+ }
+ if($vcl['grace'] ){
+ $vcl_grace_time="set beresp.grace = ".$vcl['grace'].";";
+ }
+ if($vcl['saint'] ){
+ $vcl_saint_mode="set beresp.saintmode = ".$vcl['saint'].";";
+ }
if($vcl['xforward']){
$vcl_recv_basic.="\t#set X-forward\n";
switch ($vcl['xforward']){
@@ -372,18 +442,13 @@ function sync_package_varnish() {
break;
}
}
- if($vcl['htmlerror'] && !$errorvcl){
- $errorvcl=base64_decode($vcl['htmlerror']);
+ if($vcl['htmlerror']){
+ $errorvcl=text_area_decode($vcl['htmlerror']);
}
}
if(!$errorvcl)
$errorvcl = <<<EOF
-set obj.http.Content-Type = "text/html; charset=utf-8";
-synthetic {"
-<?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
-"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>"} obj.status " " obj.response {"</title>
@@ -397,29 +462,18 @@ synthetic {"
<p>"} obj.response {"</p>
<h3>Guru Meditation:</h3>
<p>XID: "} req.xid {"</p>
-
</body>
</html>
-"};
-return(deliver);
-
EOF;
-if($vcl_fetch_early or $vcl_fetch_late) {
- $vcl_fetch = <<<FETCH
-sub vcl_fetch {
- {$vcl_fetch_early}
- {$vcl_fetch_late}
- return(deliver);
-}
-
-FETCH;
-}
-
/* Grab configuration txt blocks */
+/* Please keep this sequence to determine witch backends are in use */
+$backends_in_use=array();
+$lb_config= get_lb_directors_config_txt();
$urlmappings = varnish_get_url_mappings_txt();
-$backends = get_backend_config_txt();
-$backends .= get_lb_directors_config_txt();
+$backends = get_backend_config_txt() . $lb_config ;
+#$backends .= get_lb_directors_config_txt();
+
/* Start to build varnish default.vcl configurationf file */
$varnish_config_file = <<<EOF
@@ -429,19 +483,26 @@ $varnish_config_file = <<<EOF
# This file is located in /var/etc/default.vcl
sub vcl_error {
- {$errorvcl}
+ if (obj.status == 503 && req.restarts < {$vcl_restarts}) {
+ restart;
+ }
+
+ set obj.http.Content-Type = "text/html; charset=utf-8";
+ synthetic {"<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+{$errorvcl}"};
+ return(deliver);
+
}
-
+
{$backends}
sub vcl_recv {
{$vcl_recv_early}
- {$vcl_recv_basic}
{$urlmappings}
{$vcl_recv_late}
- if (req.request != "GET" && req.request != "HEAD") {
- return(pipe);
- }
+ {$vcl_recv_basic}
return(lookup);
}
@@ -457,8 +518,21 @@ sub vcl_pipe {
{$vcl_pipe_late}
}
-{$vcl_fetch}
-
+sub vcl_fetch {
+ {$vcl_fetch_early}
+ ## If the request to the backend returns a code other than 200, restart the loop
+ ## If the number of restarts reaches the value of the parameter max_restarts,
+ ## the request will be error'ed. max_restarts defaults to 4. This prevents
+ ## an eternal loop in the event that, e.g., the object does not exist at all.
+ if (beresp.status != 200 && beresp.status != 403 && beresp.status != 404 && beresp.status != 302 && beresp.status != 301) {
+ {$vcl_saint_mode}
+ restart;
+ }
+ {$vcl_fetch_late}
+ {$vcl_grace_time}
+ return(deliver);
+}
+
EOF;
$fd = fopen("/var/etc/default.vcl", "w");
@@ -586,4 +660,4 @@ function varnish_do_xmlrpc_sync($sync_to_ip, $password) {
}
-?> \ No newline at end of file
+?>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 00:30:36 +0000