Varnish VCL for caching RabbitMQ Management plugin (3.5.7)

rabbitmq-mgmt.vcl

vcl 4.0;

# RabbitMQ management console.
backend default { .host = "127.0.0.1"; .port = "15673"; }

sub vcl_recv {
	# We only deal with GET and HEAD
	if( req.method!="GET" && req.method!="HEAD" ) {
		return (pass);
	}
	# Remove random part from ejs requests.
	if( req.url ~ "\.ejs\?" ) {
		set req.url = regsub( req.url, "\.ejs\?.*", "\.ejs" );
	}
	return (hash);
}

sub vcl_hash {
	hash_data( req.url );
	if( req.http.authorization ) {
		hash_data( req.http.authorization );
	}
	
	return (lookup);
}

# For debug purpose.
sub vcl_hit  { set req.http.X-Cache = "hit";  }
sub vcl_miss { set req.http.X-Cache = "miss"; }
sub vcl_pass { set req.http.X-Cache = "pass"; }

sub vcl_backend_response {
	# We want to cache everything.
	unset beresp.http.cache-control;
	# Set TTL for caching ang grace time for cases backend unavailability.
	set beresp.ttl = 15s;
	set beresp.grace = 15s;
	# Set big TTL for static resources.
	if( bereq.url ~ "\.(png|js|ejs)" ) {
		set beresp.ttl = 7d;
	}
	# Compress it
	set beresp.do_gzip = true;
}

sub vcl_deliver {
	if( req.http.X-Cache ) {
		set resp.http.X-Cache = req.http.X-Cache;
	}
}