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moodle_rebase10.1.2
Commit 350afbb7 authored by Tatuya Kamada's avatar Tatuya Kamada
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Fix indentations, add several comments. 

This is a cosmetic modification. Functionally, there is no change.
parent 41552297
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Showing with 122 additions and 142 deletions
slapos/recipe/generic_varnish/template/default.vcl.in
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......@@ -5,134 +5,120 @@
#server.
#
backend default {
.host = "%(backend_server)s";
.port = "%(backend_port)s";
.probe = {
.timeout = 30s;
.interval = 5s;
.window = 4;
.threshold = 3;
.request =
"OPTIONS /erp5/getId HTTP/1.1"
"Host: %(backend_server)s:%(backend_port)s"
"Accept-Encoding: identity"
"Connection: close"
"User-Agent: Varnish";
}
.host = "%(backend_server)s";
.port = "%(backend_port)s";
.probe = {
.timeout = 30s;
.interval = 5s;
.window = 4;
.threshold = 3;
.request =
"OPTIONS /erp5/getId HTTP/1.1"
"Host: %(backend_server)s:%(backend_port)s"
"Accept-Encoding: identity"
"Connection: close"
"User-Agent: Varnish";
}
}
#
#Below is a commented-out copy of the default VCL logic. If you
#redefine any of these subroutines, the built-in logic will be
#appended to your code.
#
# Called at the beginning of a request, after the complete request has been received and parsed
sub vcl_recv {
# Force lookup if the request is a no-cache request from the client
if (req.http.cache-control ~ "no-cache") {
ban_url(req.url);
}
if (req.request != "GET" &&
req.request != "HEAD" &&
req.request != "PUT" &&
req.request != "POST" &&
req.request != "TRACE" &&
req.request != "OPTIONS" &&
req.request != "PURGE" &&
req.request != "DELETE") {
/* Non-RFC2616 or CONNECT which is weird. */
return(pipe);
}
if (req.request != "GET" && req.request != "HEAD" && req.request != "PURGE") {
/* We only deal with GET and HEAD by default */
return(pass);
}
if (req.http.Authorization) {
/* Not cacheable by default */
return (pass);
}
# no need to have cookies for the resources
if (req.url ~ "\.(css|js|ico)$") {
unset req.http.cookie;
}
# remove bogus cookies
if (req.http.Cookie) {
set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *__utm.=[^;]+;? *", "\1");
set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *__ac_name=\x22\x22;? *", "\1");
set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *__ac=\x22Og.3D.3D\x22;? *", "\1");
}
if (req.http.Cookie == "") {
remove req.http.Cookie;
}
if (req.http.Cookie && req.http.Cookie ~ "(^|; ) *__ac=") {
/* Not cacheable for authorised users,
but KM images are cacheable */
if (!(req.url ~ "/km_img/.*\.(png|gif)$")) {
return (pass);
}
}
remove req.http.Set-Cookie;
if (req.http.Accept-Encoding) {
if (req.http.Accept-Encoding ~ "gzip") {
set req.http.Accept-Encoding = "gzip";
} elsif (req.http.Accept-Encoding ~ "deflate") {
set req.http.Accept-Encoding = "deflate";
# Force lookup if the request is a no-cache request from the client
if (req.http.cache-control ~ "no-cache") {
ban_url(req.url);
}
# Pass any requests that Varnish does not understand straight to the backend.
if (req.request != "GET" &&
req.request != "HEAD" &&
req.request != "PUT" &&
req.request != "POST" &&
req.request != "TRACE" &&
req.request != "OPTIONS" &&
req.request != "PURGE" &&
req.request != "DELETE") {
/* Non-RFC2616 or CONNECT which is weird. */
return(pipe);
}
# Pass anything other than GET and HEAD and PURGE directly.
if (req.request != "GET" && req.request != "HEAD" && req.request != "PURGE") {
/* We only deal with GET and HEAD by default */
return(pass);
}
if (req.http.Authorization) {
/* Not cacheable by default */
return (pass);
}
# no need to have cookies for the resources
if (req.url ~ "\.(css|js|ico)$") {
unset req.http.cookie;
}
# remove bogus cookies
if (req.http.Cookie) {
set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *__utm.=[^;]+;? *", "\1");
set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *__ac_name=\x22\x22;? *", "\1");
set req.http.Cookie = regsuball(req.http.Cookie, "(^|; ) *__ac=\x22Og.3D.3D\x22;? *", "\1");
}
if (req.http.Cookie == "") {
remove req.http.Cookie;
}
if (req.http.Cookie && req.http.Cookie ~ "(^|; ) *__ac=") {
/* Not cacheable for authorised users,
but KM images are cacheable */
if (!(req.url ~ "/km_img/.*\.(png|gif)$")) {
return (pass);
}
}
# XXX Is it OK to remove this of all the case?
remove req.http.Set-Cookie;
if (req.http.Accept-Encoding) {
if (req.http.Accept-Encoding ~ "gzip") {
set req.http.Accept-Encoding = "gzip";
} elsif (req.http.Accept-Encoding ~ "deflate") {
set req.http.Accept-Encoding = "deflate";
} else {
# unkown algorithm
remove req.http.Accept-Encoding;
}
}
# We do not care about Accept-Language, this is url controlled
remove req.http.Accept-Language;
## XXX login form can defer based on __ac_name cookie value
if (req.url ~ "/(login_form|WebSite_viewLoginDialog)($|\?)") {
return (pass);
}
if (req.backend.healthy) {
set req.grace = 1h;
} else {
# unkown algorithm
remove req.http.Accept-Encoding;
}
}
# We do not care about Accept-Language, this is url controlled
remove req.http.Accept-Language;
#if (req.request == "PURGE") {
# if (!client.ip ~ purge) {
# error 405 "Not allowed.";
# }
# purge_url(req.url);
# error 200 "HASHPURGED";
# unset req.http.x;
#}
## XXX login form can defer based on __ac_name cookie value
if (req.url ~ "/(login_form|WebSite_viewLoginDialog)($|\?)") {
return (pass);
}
if (req.backend.healthy) {
set req.grace = 1h;
} else {
set req.grace = 1w;
}
return(lookup);
set req.grace = 1w;
}
return(lookup);
}
# Creates the varnish cache key by the url
sub vcl_hash {
hash_data(req.url);
return(hash);
}
# Called after a cache lookup if the requested document was found in the cache
sub vcl_hit {
#if (req.request == "PURGE" && client.ip ~ purge) {
# set obj.ttl = 0s;
# error 200 "Purged.";
#}
#if (client.ip ~ purge){
# # Force refresh from localhost
# set obj.ttl = 0s;
# return (restart);
#}
# According Vary Header do not return those headers
remove req.http.Accept-Language;
remove req.http.Accept-Encoding;
remove req.http.Cookie;
return(deliver);
# According Vary Header do not return those headers
remove req.http.Accept-Language;
remove req.http.Accept-Encoding;
remove req.http.Cookie;
return(deliver);
}
# Called after a cache lookup if the requested document was not found in the cache
sub vcl_miss {
return(fetch);
}
# Called after a document has been successfully retrieved from the backend
sub vcl_fetch {
# we only cache 200 (OK) and 304 (Not Modified) responses.
if (beresp.status != 200 && beresp.status != 304) {
......@@ -169,39 +155,33 @@ sub vcl_fetch {
set beresp.grace = 1w;
/* Never send request to backend even if client ask refreshed content */
if (beresp.ttl > 0s) {
/* Setup grace period for 30days for all cacheable contents */
#set req.grace = 30d;
set beresp.grace = 30d;
/* Remove Expires from backend, it's not long enough */
unset beresp.http.expires;
# /* Set the clients TTL on this object */
# set beresp.http.cache-control = "max-age = 300";
/* Set how long Varnish will keep it */
set beresp.ttl = 1w;
/* marker for vcl_deliver to reset Age: */
set beresp.http.magicmarker = "1";
}
return(deliver);
}
/* Setup grace period for 30days for all cacheable contents */
set beresp.grace = 30d;
/* Remove Expires from backend, it's not long enough */
unset beresp.http.expires;
# /* Set the clients TTL on this object */
# set beresp.http.cache-control = "max-age = 300";
/* Set how long Varnish will keep it */
set beresp.ttl = 1w;
/* marker for vcl_deliver to reset Age: */
set beresp.http.magicmarker = "1";
}
return(deliver);
}
# Called before a cached object is delivered to the client
sub vcl_deliver {
if (resp.http.magicmarker) {
/* Remove the magic marker */
unset resp.http.magicmarker;
/* By definition we have a fresh object */
set resp.http.age = "0";
}
if (obj.hits > 0) {
set resp.http.X-Cache = obj.hits;
} else {
set resp.http.X-Cache = "MISS";
}
#if (obj.hash) {
# set resp.http.X-Hash = obj.hash;
#} else {
# set resp.http.X-Hash = "No hash";
#}
return(deliver);
if (resp.http.magicmarker) {
/* Remove the magic marker */
unset resp.http.magicmarker;
/* By definition we have a fresh object */
set resp.http.age = "0";
}
if (obj.hits > 0) {
set resp.http.X-Cache = obj.hits;
} else {
set resp.http.X-Cache = "MISS";
}
return(deliver);
}
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