From 29c25ff02474d2eb9929f65b05acd71b81f0c108 Mon Sep 17 00:00:00 2001
From: Alex <caskd@420blaze.it>
Date: Fri, 3 Jul 2020 12:51:32 +0200
Subject: [PATCH] Have more generic caching settings, serve cached content from
 backends that are down as long as grace is on

---
 templates/varnish.vcl.j2 | 35 +++++++++--------------------------
 1 file changed, 9 insertions(+), 26 deletions(-)

diff --git a/templates/varnish.vcl.j2 b/templates/varnish.vcl.j2
index 1a49c00..85bb5f3 100644
--- a/templates/varnish.vcl.j2
+++ b/templates/varnish.vcl.j2
@@ -38,41 +38,24 @@ sub vcl_hash {
 }
 sub vcl_backend_response {
 	set beresp.do_stream = false;
+	set beresp.do_gzip = true;
+	if (beresp.status == 500 || beresp.status == 502 || beresp.status == 503 || beresp.status == 504) {
+		if (bereq.is_bgfetch){
+			return (abandon);
+		}
+		set beresp.uncacheable = true;
+		return (deliver);
+	}
 	if (beresp.http.Set-Cookie || beresp.http.Cache-Control ~ "no-cache|no-store|private") {
 		set beresp.uncacheable = true;
-		return(deliver);
-	}
-	if (beresp.http.Cache-Control ~ "no-cache") {
-		set beresp.ttl = 10m;
-		set beresp.grace = 5m;
 		return (deliver);
 	}
-	if (bereq.http.Host ~ "sd.redxen.eu") {
-		set beresp.ttl = 120s;
-		set beresp.keep = 7d;
-		set beresp.do_gzip = true;
-		set beresp.grace = 2h;
-		return (deliver);
-	}
-	set beresp.grace = 5m;
 	if (beresp.http.ETag || beresp.http.Last-Modified || bereq.http.If-Modified-Since) {
-		set beresp.keep = 4h;
+		set beresp.keep = 12h;
 	}
 	if (beresp.status == 301) {
 		set beresp.ttl = 24h;
 	}
-	if (	bereq.http.Host == "redxen.eu" ||
-		beresp.http.Cache-Control ~ "public" ||
-		beresp.http.Content-Type ~ "text/css" ||
-		beresp.http.Content-Type ~ "text/javascript" ||
-		beresp.http.Content-Type ~ "image" ||
-		beresp.http.Content-Type ~ "video" ||
-		beresp.http.Content-Type ~ "audio" ||
-		beresp.http.Content-Type ~ "font") {
-			set beresp.do_gzip = true;
-			return (deliver);
-	}
-	set beresp.uncacheable = true;
 	return (deliver);
 }
 sub vcl_deliver {