add the vcl

mparker17 · May 18, 2015 · 9b7e9b6 · 9b7e9b6
1 parent 0a329fe
commit 9b7e9b6
Showing 1 changed file with 214 additions and 0 deletions.
diff --git a/varnish.vcl b/varnish.vcl
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+/*-
+ * Copyright (c) 2006 Verdens Gang AS
+ * Copyright (c) 2006-2014 Varnish Software AS
+ * All rights reserved.
+ *
+ * Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+
+ *
+ * The built-in (previously called default) VCL code.
+ *
+ * NB! You do NOT need to copy & paste all of these functions into your
+ * own vcl code, if you do not provide a definition of one of these
+ * functions, the compiler will automatically fall back to the default
+ * code from this file.
+ *
+ * This code will be prefixed with a backend declaration built from the
+ * -b argument.
+ */
+
+vcl 4.0;
+
+#######################################################################
+# Client side
+
+sub vcl_recv {
+    if (req.method == "PRI") {
+	/* We do not support SPDY or HTTP/2.0 */
+	return (synth(405));
+    }
+    if (req.method != "GET" &&
+      req.method != "HEAD" &&
+      req.method != "PUT" &&
+      req.method != "POST" &&
+      req.method != "TRACE" &&
+      req.method != "OPTIONS" &&
+      req.method != "DELETE") {
+        /* Non-RFC2616 or CONNECT which is weird. */
+        return (pipe);
+    }
+
+    if (req.method != "GET" && req.method != "HEAD") {
+        /* We only deal with GET and HEAD by default */
+        return (pass);
+    }
+    if (req.http.Authorization || req.http.Cookie) {
+        /* Not cacheable by default */
+        return (pass);
+    }
+    return (hash);
+}
+
+sub vcl_pipe {
+    # By default Connection: close is set on all piped requests, to stop
+    # connection reuse from sending future requests directly to the
+    # (potentially) wrong backend. If you do want this to happen, you can undo
+    # it here.
+    # unset bereq.http.connection;
+    return (pipe);
+}
+
+sub vcl_pass {
+    return (fetch);
+}
+
+sub vcl_hash {
+    hash_data(req.url);
+    if (req.http.host) {
+        hash_data(req.http.host);
+    } else {
+        hash_data(server.ip);
+    }
+    return (lookup);
+}
+
+sub vcl_purge {
+    return (synth(200, "Purged"));
+}
+
+sub vcl_hit {
+    if (obj.ttl >= 0s) {
+        // A pure unadultered hit, deliver it
+        return (deliver);
+    }
+    if (obj.ttl + obj.grace > 0s) {
+        // Object is in grace, deliver it
+        // Automatically triggers a background fetch
+        return (deliver);
+    }
+    // fetch & deliver once we get the result
+    return (fetch);
+}
+
+sub vcl_miss {
+    return (fetch);
+}
+
+sub vcl_deliver {
+    return (deliver);
+}
+
+/*
+ * We can come here "invisibly" with the following errors: 413, 417 & 503
+ */
+sub vcl_synth {
+    set resp.http.Content-Type = "text/html; charset=utf-8";
+    set resp.http.Retry-After = "5";
+    synthetic( {"<!DOCTYPE html>
+<html>
+  <head>
+    <title>"} + resp.status + " " + resp.reason + {"</title>
+  </head>
+  <body>
+    <h1>Error "} + resp.status + " " + resp.reason + {"</h1>
+    <p>"} + resp.reason + {"</p>
+    <h3>Guru Meditation:</h3>
+    <p>XID: "} + req.xid + {"</p>
+    <hr>
+    <p>Varnish cache server</p>
+  </body>
+</html>
+"} );
+    return (deliver);
+}
+
+#######################################################################
+# Backend Fetch
+
+sub vcl_backend_fetch {
+    return (fetch);
+}
+
+sub vcl_backend_response {
+    if (beresp.ttl <= 0s ||
+      beresp.http.Set-Cookie ||
+      beresp.http.Surrogate-control ~ "no-store" ||
+      (!beresp.http.Surrogate-Control &&
+        beresp.http.Cache-Control ~ "no-cache|no-store|private") ||
+      beresp.http.Vary == "*") {
+        /*
+        * Mark as "Hit-For-Pass" for the next 2 minutes
+        */
+        set beresp.ttl = 120s;
+        set beresp.uncacheable = true;
+    }
+    return (deliver);
+}
+
+sub vcl_backend_error {
+    set beresp.http.Content-Type = "text/html; charset=utf-8";
+    set beresp.http.Retry-After = "5";
+    synthetic( {"<!DOCTYPE html>
+<html>
+  <head>
+    <title>"} + beresp.status + " " + beresp.reason + {"</title>
+  </head>
+  <body>
+    <h1>Error "} + beresp.status + " " + beresp.reason + {"</h1>
+    <p>"} + beresp.reason + {"</p>
+    <h3>Guru Meditation:</h3>
+    <p>XID: "} + bereq.xid + {"</p>
+    <hr>
+    <p>Varnish cache server</p>
+  </body>
+</html>
+"} );
+    return (deliver);
+}
+
+#######################################################################
+# Housekeeping
+
+sub vcl_init {
+    return (ok);
+}
+
+sub vcl_fini {
+    return (ok);
+}
+
+backend ap1 {
+  .host = "127.0.0.1";
+  .port = "8080";
+  .first_byte_timeout = 200s;
+  .probe = {
+         .url = "/";
+         .interval = 5s;
+         .timeout = 1 s;
+         .window = 5;
+         .threshold = 3;
+         .initial = 1;
+  }
+}