Update the recommended VCL configuration

This commit is contained in:
Mark Felder 2022-08-10 17:18:06 -04:00
parent cbdc13b767
commit 243ed7d60f

View File

@ -1,4 +1,5 @@
# Recommended varnishncsa logging format: '%h %l %u %t "%m %{X-Forwarded-Proto}i://%{Host}i%U%q %H" %s %b "%{Referer}i" "%{User-agent}i"' # Recommended varnishncsa logging format: '%h %l %u %t "%m %{X-Forwarded-Proto}i://%{Host}i%U%q %H" %s %b "%{Referer}i" "%{User-agent}i"'
# Please use Varnish 7.0+ for proper Range Requests / Chunked encoding support
vcl 4.1; vcl 4.1;
import std; import std;
@ -22,11 +23,6 @@ sub vcl_recv {
set req.http.X-Forwarded-Proto = "https"; set req.http.X-Forwarded-Proto = "https";
} }
# CHUNKED SUPPORT
if (req.http.Range ~ "bytes=") {
set req.http.x-range = req.http.Range;
}
# Pipe if WebSockets request is coming through # Pipe if WebSockets request is coming through
if (req.http.upgrade ~ "(?i)websocket") { if (req.http.upgrade ~ "(?i)websocket") {
return (pipe); return (pipe);
@ -35,9 +31,9 @@ sub vcl_recv {
# Allow purging of the cache # Allow purging of the cache
if (req.method == "PURGE") { if (req.method == "PURGE") {
if (!client.ip ~ purge) { if (!client.ip ~ purge) {
return(synth(405,"Not allowed.")); return (synth(405,"Not allowed."));
} }
return(purge); return (purge);
} }
} }
@ -53,17 +49,11 @@ sub vcl_backend_response {
return (retry); return (retry);
} }
# CHUNKED SUPPORT
if (bereq.http.x-range ~ "bytes=" && beresp.status == 206) {
set beresp.ttl = 10m;
set beresp.http.CR = beresp.http.content-range;
}
# Bypass cache for large files # Bypass cache for large files
# 50000000 ~ 50MB # 50000000 ~ 50MB
if (std.integer(beresp.http.content-length, 0) > 50000000) { if (std.integer(beresp.http.content-length, 0) > 50000000) {
set beresp.uncacheable = true; set beresp.uncacheable = true;
return(deliver); return (deliver);
} }
# Don't cache objects that require authentication # Don't cache objects that require authentication
@ -94,7 +84,7 @@ sub vcl_synth {
if (resp.status == 750) { if (resp.status == 750) {
set resp.status = 301; set resp.status = 301;
set resp.http.Location = req.http.x-redir; set resp.http.Location = req.http.x-redir;
return(deliver); return (deliver);
} }
} }
@ -106,25 +96,12 @@ sub vcl_pipe {
} }
} }
sub vcl_hash {
# CHUNKED SUPPORT
if (req.http.x-range ~ "bytes=") {
hash_data(req.http.x-range);
unset req.http.Range;
}
}
sub vcl_backend_fetch { sub vcl_backend_fetch {
# Be more lenient for slow servers on the fediverse # Be more lenient for slow servers on the fediverse
if (bereq.url ~ "^/proxy/") { if (bereq.url ~ "^/proxy/") {
set bereq.first_byte_timeout = 300s; set bereq.first_byte_timeout = 300s;
} }
# CHUNKED SUPPORT
if (bereq.http.x-range) {
set bereq.http.Range = bereq.http.x-range;
}
if (bereq.retries == 0) { if (bereq.retries == 0) {
# Clean up the X-Varnish-Backend-503 flag that is used internally # Clean up the X-Varnish-Backend-503 flag that is used internally
# to mark broken backend responses that should be retried. # to mark broken backend responses that should be retried.
@ -143,14 +120,6 @@ sub vcl_backend_fetch {
} }
} }
sub vcl_deliver {
# CHUNKED SUPPORT
if (resp.http.CR) {
set resp.http.Content-Range = resp.http.CR;
unset resp.http.CR;
}
}
sub vcl_backend_error { sub vcl_backend_error {
# Retry broken backend responses. # Retry broken backend responses.
set bereq.http.X-Varnish-Backend-503 = "1"; set bereq.http.X-Varnish-Backend-503 = "1";