From 3fad9794daa01d50fe87f5b708221a2de07e4fc2 Mon Sep 17 00:00:00 2001
From: Jeff Becker <ampernand@gmail.com>
Date: Mon, 7 Nov 2016 08:20:04 -0500
Subject: [PATCH] add default varnish config

---
 contrib/configs/varnish/srndv2.vcl | 82 ++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 contrib/configs/varnish/srndv2.vcl

diff --git a/contrib/configs/varnish/srndv2.vcl b/contrib/configs/varnish/srndv2.vcl
new file mode 100644
index 0000000..da66257
--- /dev/null
+++ b/contrib/configs/varnish/srndv2.vcl
@@ -0,0 +1,82 @@
+vcl 4.0;
+
+backend default { 
+    .host = "127.0.0.1";
+    .port = "18000";
+}
+ 
+
+acl purge {
+  # ACL we'll use later to allow purges
+  "127.0.1.1";
+}
+
+sub vcl_miss {
+        return (fetch) ;
+}
+
+sub vcl_recv {
+        if (req.method == "PURGE") {
+                if (!client.ip ~ purge) { # purge is the ACL defined at the begining
+                        # Not from an allowed IP? Then die with an error.
+                        return (synth(405, "This IP is not allowed to send PURGE requests."));
+                }
+                return (purge);
+        }
+
+        if (req.method != "GET" &&
+                req.method != "HEAD" &&
+                req.method != "PUT" &&
+                req.method != "POST" &&
+                req.method != "TRACE" &&
+                req.method != "OPTIONS" &&
+                req.method != "PATCH" &&
+                req.method != "DELETE") {
+                /* Non-RFC2616 or CONNECT which is weird. */
+                return (pipe);
+        }
+        # Strip hash, server doesn't need it.
+        if (req.url ~ "\#") {
+                set req.url = regsub(req.url, "\#.*$", "");
+        }
+        # Strip a trailing ? if it exists
+        if (req.url ~ "\?$") {
+                set req.url = regsub(req.url, "\?$", "");
+        }
+        return (hash);
+}
+
+sub vcl_pipe {
+        return (pipe);
+}
+
+sub vcl_hit {
+        return (deliver);
+}
+
+sub vcl_backend_response {
+        if (beresp.status == 500 || beresp.status == 502 || beresp.status == 503 || beresp.status == 504) {
+                return (abandon);
+        }
+        if (bereq.url == "/") {
+                set beresp.ttl = 60s;
+        } else {
+                if (bereq.url == "/ukko.html") {
+                        set beresp.ttl = 5s;
+                } else {
+                        set beresp.ttl = 10s;
+                }
+        }
+        set beresp.grace = 1h;
+        return (deliver);
+}
+
+sub vcl_deliver {
+        if (obj.hits > 0) {
+                set resp.http.X-Cache = "HIT";
+        } else {
+                set resp.http.X-Cache = "MISS";
+        }
+        set resp.http.X-Cache-Hits = obj.hits;
+        return (deliver);
+}