Initial commit

.gitignore

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+.idea
+*.iml

Dockerfile

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+# Starting from Ubuntu and not from alpine, as libvmod-dynamic used for generating dynamic backends
+# compiles currently only on debian based images.
+FROM ubuntu:trusty
+
+ENV VARNISHSRC=/usr/include/varnish VMODDIR=/usr/lib/varnish/vmods
+
+RUN apt-get update -q && \
+  apt-get install -qq git curl apt-transport-https autotools-dev automake autoconf libtool python make python-docutils && \
+  curl https://repo.varnish-cache.org/debian/GPG-key.txt | apt-key add - && \
+  echo "deb https://repo.varnish-cache.org/ubuntu/ trusty varnish-4.1" | tee /etc/apt/sources.list.d/varnish-cache.list && \
+  apt-get -q update && \
+  apt-get install -qq varnish varnish-dev && \
+    cd / && echo "-------mod-dynamic build -------" && \
+    git clone https://github.com/nigoroll/libvmod-dynamic.git && \
+    cd libvmod-dynamic && \
+    ./autogen.sh && \
+    ./configure && \
+    make && \
+    make install && \
+    apt-get remove -qq git curl apt-transport-https autotools-dev automake autoconf libtool python make python-docutils && \
+    apt-get -qq autoremove && \
+    apt-get -qq clean && \
+    rm -rf /libvmod-dynamic
+
+COPY default.vcl /etc/varnish/default.vcl
+COPY start.sh /start.sh
+
+RUN chmod +x /start.sh
+EXPOSE 80
+CMD ["/start.sh"]

README.md

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+## UPP Publishing Cluster Path routing Varnish
+
+The Publishing Varnish routing proxy placed after the publishing auth varnish.
+Its role is to route traffic based on the context path in the URL to appropriate services.
+
+See [default.vcl](/default.vcl) for the Varnish routing policies.

default.vcl

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+vcl 4.0;
+
+import dynamic;
+
+# Dummy definitions as we're using dynamic backend declaration
+backend default {
+    .host = "localhost";
+    .port = "8888";
+}
+
+sub vcl_init {
+    new dynBackend = dynamic.director(port = "8080");
+}
+
+acl purge {
+    "localhost";
+}
+
+sub vcl_recv {
+
+    # allow PURGE from localhost
+    if (req.method == "PURGE") {
+        if (!client.ip ~ purge) {
+            return(synth(405,"Not allowed."));
+        }
+        return (purge);
+    }
+
+    # healthcheck
+    if (req.method == "GET" && req.url == "/status") {
+           return(synth(200, "OK"));
+    }
+
+    if (req.url ~ "^\/content.*$") {
+        set req.url = regsub(req.url, "content", "/notify");
+        set req.backend_hint = dynBackend.backend("cms-notifier");
+    } 
+    elif (req.url ~ "^\/video.*$") {
+        set req.url = regsub(req.url, "video", "/notify");
+        set req.backend_hint = dynBackend.backend("cms-notifier");
+    } 
+    eif (req.url ~ "^\/metadata.*$") {
+        set req.url = regsub(req.url, "metadata", "/notify");
+        set req.backend_hint = dynBackend.backend("cms-metadata-notifier");
+    } 
+    elif (req.url ~ "\/notification\/wordpress.*$") {
+        set req.url = regsub(req.url, "notification\/wordpress", "/content");
+        set req.backend_hint = dynBackend.backend("wordpress-notifier");
+    } 
+    elif (req.url ~ "\/notification\/brightcove\/content.*$") {
+        set req.url = regsub(req.url, "notification\/brightcove\/content", "/notify");
+        set req.backend_hint = dynBackend.backend("brightcove-notifier");
+    } 
+    elif (req.url ~ "\/notification\/brightcove\/metadata.*$") {
+        set req.url = regsub(req.url, "notification\/brightcove\/metadata", "/notify");
+        set req.backend_hint = dynBackend.backend("brightcove-metadata-preprocessor");
+    } 
+    elif (req.url ~ "^\/__[\w-]*\/.*$") {
+        # create a new backend dynamically to match the requested URL that will be looked up in the Kubernetes DNS.
+        # For example calling the URL /__content-ingester/xyz will forward the request to the service content-ingester with the url /xyz
+        set req.backend_hint = dynBackend.backend(regsub(req.url, "^\/__([\w-]*)\/.*$", "\1"));
+        set req.url = regsub(req.url, "^\/__[\w-]*\/(.*)$", "/\1");
+        set req.http.X-VarnishPassThrough = "true";
+    }
+
+    return (pipe);
+}

start.sh

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+#!/bin/sh
+
+
+shutdown() {
+	log "Stopping"
+	pkill varnishd
+	log "Stopped varnishd $?"
+	pkill varnishncsa
+	log "Stopped varnishncsa $?"
+       	exit 0
+}
+
+log() {
+	echo "`date +'%F %T'` $1"
+}
+
+trap 'shutdown' HUP INT QUIT KILL TERM
+
+
+# Start varnish and log
+log "Starting"
+varnishd -f /etc/varnish/default.vcl -s malloc,1024m -t 5 -p default_grace=0 &
+sleep 4
+
+varnishncsa -F '%{X-Forwarded-For}i %u %{%d/%b/%Y:%T}t %U%q %s %D "%{User-Agent}i" %{Varnish:handling}x' &
+log "Started"
+
+# Wait for the process to finish
+wait ${!}