87 lines
1.9 KiB
Plaintext
87 lines
1.9 KiB
Plaintext
# nntpchan varnish config
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vcl 4.0;
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# Default backend definition. Set this to point to your content server.
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backend default {
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.host = "127.0.0.1";
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.port = "18000";
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}
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acl purge {
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# ACL we'll use later to allow purges
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"127.0.1.1";
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}
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sub vcl_miss {
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return (fetch) ;
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}
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sub vcl_recv {
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if (req.method == "PURGE") {
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if (!client.ip ~ purge) { # purge is the ACL defined at the begining
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# Not from an allowed IP? Then die with an error.
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return (synth(405, "This IP is not allowed to send PURGE requests."));
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}
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return (purge);
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}
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if (req.method != "GET" &&
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req.method != "HEAD" &&
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req.method != "PUT" &&
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req.method != "POST" &&
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req.method != "TRACE" &&
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req.method != "OPTIONS" &&
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req.method != "PATCH" &&
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req.method != "DELETE") {
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/* Non-RFC2616 or CONNECT which is weird. */
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return (pipe);
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}
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# Strip hash, server doesn't need it.
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if (req.url ~ "\#") {
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set req.url = regsub(req.url, "\#.*$", "");
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}
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# Strip a trailing ? if it exists
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if (req.url ~ "\?$") {
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set req.url = regsub(req.url, "\?$", "");
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}
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return (hash);
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}
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sub vcl_pipe {
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return (pipe);
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}
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sub vcl_hit {
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# Called when a cache lookup is successful.
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return (deliver);
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#if (obj.ttl >= 0s) {
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# A pure unadultered hit, deliver it
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# return (deliver);
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#}
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#return (fetch);
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}
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sub vcl_backend_response {
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if (beresp.status == 500 || beresp.status == 502 || beresp.status == 503 || beresp.status == 504) {
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return (abandon);
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}
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set beresp.ttl = 10s;
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set beresp.grace = 1h;
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return (deliver);
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}
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sub vcl_deliver {
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# Happens when we have all the pieces we need, and are about to send the
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# response to the client.
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#
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# You can do accounting or modifying the final object here.
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if (obj.hits > 0) { # Add debug header to see if it's a HIT/MISS and the number of hits, disable when not needed
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set resp.http.X-Cache = "HIT";
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} else {
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set resp.http.X-Cache = "MISS";
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}
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set resp.http.X-Cache-Hits = obj.hits;
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return (deliver);
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}
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