Added complete example to use varnish-geoip

examples/README

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+This examples are for Debian-like systems
+

examples/etc/default/varnish

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+# Configuration file for varnish
+#
+# /etc/init.d/varnish expects the variables $DAEMON_OPTS, $NFILES and $MEMLOCK
+# to be set from this shell script fragment.
+#
+
+# Should we start varnishd at boot?  Set to "yes" to enable.
+START=yes
+
+# Maximum number of open files (for ulimit -n)
+NFILES=131072
+
+# Maximum locked memory size (for ulimit -l)
+# Used for locking the shared memory log in memory.  If you increase log size,
+# you need to increase this number as well
+MEMLOCK=82000
+
+# Default varnish instance name is the local nodename.  Can be overridden with
+# the -n switch, to have more instances on a single server.
+INSTANCE=$(uname -n)
+
+# Example options to allow compilation with GeoIP
+DAEMON_OPTS="-a :6081 \
+             -T localhost:6082 \
+             -f /etc/varnish/default.vcl \
+             -S /etc/varnish/secret \
+             -s malloc,100M \
+             -p 'cc_command=exec cc -fpic -shared -Wl,-x -L/usr/include/GeoIP.h -lGeoIP -o $@'"
+

examples/etc/init.d/varnish

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+#! /bin/sh
+
+### BEGIN INIT INFO
+# Provides:          varnish
+# Required-Start:    $local_fs $remote_fs $network
+# Required-Stop:     $local_fs $remote_fs $network
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Start HTTP accelerator
+# Description:       This script provides a server-side cache
+#                    to be run in front of a httpd and should
+#                    listen on port 80 on a properly configured
+#                    system
+### END INIT INFO
+
+# Source function library
+. /lib/lsb/init-functions
+
+NAME=varnishd
+DESC="HTTP accelerator"
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+DAEMON=/usr/sbin/varnishd
+PIDFILE=/var/run/$NAME.pid
+
+test -x $DAEMON || exit 0
+
+# Include varnish defaults if available
+if [ -f /etc/default/varnish ] ; then
+        . /etc/default/varnish
+fi
+
+# Open files (usually 1024, which is way too small for varnish)
+ulimit -n ${NFILES:-131072}
+
+# Maxiumum locked memory size for shared memory log
+ulimit -l ${MEMLOCK:-82000}
+
+# If $DAEMON_OPTS is not set at all in /etc/default/varnish, use minimal useful
+# defaults (Backend at localhost:8080, a common place to put a locally
+# installed application server.)
+DAEMON_OPTS=${DAEMON_OPTS:--b localhost}
+
+# Ensure we have a PATH
+export PATH="${PATH:+$PATH:}/usr/sbin:/usr/bin:/sbin:/bin"
+
+start_varnishd() {
+    log_daemon_msg "Starting $DESC" "$NAME"
+    output=$(/bin/tempfile -s.varnish)
+    if bash -c "start-stop-daemon \
+        --start --quiet --pidfile ${PIDFILE} --exec ${DAEMON} -- \
+        -P ${PIDFILE} ${DAEMON_OPTS} > ${output} 2>&1"; then
+        log_end_msg 0
+    else
+        log_end_msg 1
+        cat $output
+        exit 1
+    fi
+    rm $output
+}
+
+disabled_varnishd() {
+    log_daemon_msg "Not starting $DESC" "$NAME"
+    log_progress_msg "disabled in /etc/default/varnish"
+    log_end_msg 0
+}
+
+stop_varnishd() {
+    log_daemon_msg "Stopping $DESC" "$NAME"
+    if start-stop-daemon \
+        --stop --quiet --pidfile $PIDFILE --retry 10 \
+        --exec $DAEMON; then
+        log_end_msg 0
+    else
+        log_end_msg 1
+    fi
+}
+
+reload_varnishd() {
+    log_daemon_msg "Reloading $DESC" "$NAME"
+    if /usr/share/varnish/reload-vcl -q; then
+        log_end_msg 0
+    else
+        log_end_msg 1
+    fi
+}
+
+status_varnishd() {
+    status_of_proc -p "${PIDFILE}" "${DAEMON}" "${NAME}"
+}
+
+case "$1" in
+    start)
+        case "${START:-}" in
+            [Yy]es|[Yy]|1|[Tt]|[Tt]rue)
+                start_varnishd
+                ;;
+            *)
+                disabled_varnishd
+                ;;
+        esac
+        ;;
+    stop)
+        stop_varnishd
+        ;;
+    reload)
+        reload_varnishd
+        ;;
+    status)
+        status_varnishd
+        ;;
+    restart|force-reload)
+        $0 stop
+        $0 start
+        ;;
+    *)
+        log_success_msg "Usage: $0 {start|stop|restart|force-reload}"
+        exit 1
+        ;;
+esac
+
+exit 0

examples/etc/varnish/sample.vcl

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+include "/etc/varnish/geoip.vcl";
+
+backend default {
+    .host = "localhost";
+    .port = "8080";
+}
+
+sub vcl_recv {
+
+    # Lookup IP only for the first request restart
+    if (req.restarts == 0) {
+        if (req.request == "GET" || req.request == "POST") {
+            C{
+                vcl_geoip_set_header(sp);
+            }C
+        }
+    }
+
+}
+
+sub vcl_fetch {
+
+    # If you want to echo X-Geo-IP in the response too
+    #set beresp.http.X-Geo-IP = req.http.X-Geo-IP;
+
+}
+