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38 lines
816 B
Text
38 lines
816 B
Text
vcl 4.0;
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backend default {
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.host = "localhost";
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.port = "8080";
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}
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sub vcl_recv {
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# Implementing websocket support (https://www.varnish-cache.org/docs/4.0/users-guide/vcl-example-websockets.html)
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if (req.http.Upgrade ~ "(?i)websocket") {
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return (pipe);
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}
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}
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sub vcl_pipe {
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if (req.http.upgrade) {
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set bereq.http.upgrade = req.http.upgrade;
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set bereq.http.connection = req.http.connection;
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}
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}
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sub vcl_backend_response {
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# Set 1s ttl if origin response HTTP status code is anything other than 200
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if (beresp.status != 200) {
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set beresp.ttl = 1s;
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set beresp.uncacheable = true;
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return (deliver);
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}
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if (bereq.url ~ "m3u8") {
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# assuming chunks are 2 seconds long
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set beresp.ttl = 1s;
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set beresp.grace = 0s;
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}
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if (bereq.url ~ "ts") {
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set beresp.ttl = 10m;
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set beresp.grace = 5m;
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}
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}
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