munin + nginx: no dynazoom into graphs

1. Clone or download the zip from https://github.com/lighttpd/spawn-fcgi
2. Prepare it:

   autoreconf -v -i

3. Compile and install:

   ./configure && make && sudo make install

#! /bin/sh
### BEGIN INIT INFO
# Provides:          munin-fastcgi
# Required-Start:    $remote_fs $network
# Required-Stop:     $remote_fs $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts munin-fastcgi
# Description:       Spawn Munin FCGI sockets for Web access
### END INIT INFO

#
# munin-fastcgi     Startup script for Munin CGI services
#
# chkconfig: - 84 15
# description: Loading Munin CGI services using spawn-cgi
#              HTML files and CGI.
#
# Author:  Ryan Norbauer 
# Modified:     Geoffrey Grosenbach http://topfunky.com
# Modified:     David Krmpotic http://davidhq.com
# Modified:     Kun Xi http://kunxi.org
# Modified:     http://drumcoder.co.uk/
# Modified:     http://uname.pingveno.net/
# Modified:     the_architecht http://iwbyt.com/
PATH=/usr/local/bin/:/usr/local/sbin:$PATH
DAEMON=$(which spawn-fcgi)
FCGI_GRAPH_SOCK=/var/run/munin/fastcgi-munin-graph.sock
FCGI_HTML_SOCK=/var/run/munin/fastcgi-munin-html.sock
WWW_USER=www-data
FCGI_USER=www-data
FCGI_GROUP=www-data
FCGI_SPAWN_GRAPH=/usr/lib/munin/cgi/munin-cgi-graph
FCGI_SPAWN_HTML=/usr/lib/munin/cgi/munin-cgi-html
PIDFILE_GRAPH=/var/run/munin/fastcgi-munin-graph.pid
PIDFILE_HTML=/var/run/munin/fastcgi-munin-html.pid
DESC="Munin FCGI for Graph and HTML"

# Gracefully exit if the package has been removed.
test -x $DAEMON || exit 0
test -x $FCGI_SPAWN_GRAPH || exit 0
test -x $FCGI_SPAWN_HTML || exit 0

start() {
  $DAEMON -s $FCGI_GRAPH_SOCK -U $WWW_USER -u $FCGI_USER -g $FCGI_GROUP -P $PIDFILE_GRAPH $FCGI_SPAWN_GRAPH 2> /dev/null || echo "Graph Already running"
  $DAEMON -s $FCGI_HTML_SOCK  -U $WWW_USER -u $FCGI_USER -g $FCGI_GROUP -P $PIDFILE_HTML $FCGI_SPAWN_HTML 2> /dev/null || echo "HTML Already running"
}

stop() {
  kill -QUIT `cat $PIDFILE_GRAPH` || echo "Graph not running"
  kill -QUIT `cat $PIDFILE_HTML` || echo "HTML Not running"
}

restart() {
  kill -HUP `cat $PIDFILE_GRAPH` || echo "Can't reload Graph"
  kill -HUP `cat $PIDFILE_HTML` || echo "Can't reload HTML"
}

case "$1" in
  start)
    echo "Starting $DESC: "
    start
  ;;
  stop)
    echo "Stopping $DESC: "
    stop
  ;;
  restart|reload)
    echo "Restarting $DESC: "
    stop
    # One second might not be time enough for a daemon to stop,
    # if this happens, d_start will fail (and dpkg will break if
    # the package is being upgraded). Change the timeout if needed
    # be, or change d_stop to have start-stop-daemon use --retry.
    # Notice that using --retry slows down the shutdown process somewhat.
    sleep 1
    start
  ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop|restart|reload}" >&2
    exit 3
  ;;
esac

exit $?

Install the above under /etc/init.d/munin-fcgi with permissions 755

location /munin {
#    alias /var/cache/munin/www;
    index index.html;
#    include /etc/nginx/php.conf;
#    access_log off;
    allow 127.0.0.1;
    allow 192.168.0.0/16;
    deny all;                                
}

location ^~ /munin-cgi/munin-cgi-graph/ {
#   if ($uri ~ /munin-cgi/munin-cgi-graph/([^/]*)) { set $path $1; }
    fastcgi_split_path_info ^(/munin-cgi/munin-cgi-graph)(.*);
    fastcgi_param PATH_INFO $fastcgi_path_info;
    fastcgi_pass unix:/var/run/munin/fastcgi-munin-graph.sock;
    include fastcgi_params;
}
location  ^~ /munin-cgi/munin-cgi-html/ {
#   if ($uri ~ /munin-cgi/munin-cgi-html/([^/]*)) { set $path $1; }
    fastcgi_split_path_info ^(/munin-cgi/munin-cgi-html)(.*);
    fastcgi_param PATH_INFO $fastcgi_path_info;
    fastcgi_pass unix:/var/run/munin/fastcgi-munin-html.sock;
    include fastcgi_params;
}