munin-server: utilisation de fastcgi

Sorry, mais j'ai préféré ne pas le faire avec fastcgiwrap pour être sûr
de contrôler le nombre de process lancés à un instant donné. De plus, je
galérais avec les path et les requests_uri pour les faire fitter aux pages
que munin génère.

Bundler/munin-server.xml

@@ -3,4 +3,8 @@
   <Package name="rrdcached"/> <!-- speed up graphing -->
   <Path name="/etc/default/rrdcached"/>
   <Python name="/etc/munin/munin.conf"/>
+  <Path name="/etc/init.d/munin-fastcgi"/>
+  <Group name="nginx">
+    <Path name="/etc/nginx/sites-available/munin" />
+  </Group>
 </Bundle>

Cfg/etc/init.d/munin-fastcgi/info.xml

@@ -0,0 +1,3 @@
+<FileInfo>
+    <Info owner='root' group='root' perms='0755'/>
+</FileInfo>

Cfg/etc/init.d/munin-fastcgi/munin-fastcgi

@@ -0,0 +1,84 @@
+#! /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 <ryan.norbauer@gmail.com>
+# 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/
+
+DAEMON=/usr/bin/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=munin
+FCGI_GROUP=munin
+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 $?

Cfg/etc/nginx/sites-available/munin/info.xml

@@ -0,0 +1,3 @@
+<FileInfo>
+    <Info owner='root' group='root' perms='0644'/>
+</FileInfo>

Cfg/etc/nginx/sites-available/munin/munin

@@ -0,0 +1,30 @@
+# Fichier géré par bcfg2 !
+server {
+    listen 80;
+    listen [::]:80 ipv6only=on;
+    server_name fy.adm.crans.org fy.crans.org munin.crans.org;
+    #access_log off;
+    root /var/www/munin/;
+    index index.html index.htm;
+
+    location / {
+       fastcgi_pass unix:/var/run/munin/fastcgi-munin-html.sock;
+       include fastcgi_params;
+    }
+
+    location /munin-graph {
+       fastcgi_split_path_info ^(/munin-graph)(.*);
+       fastcgi_param PATH_INFO $fastcgi_path_info;
+       fastcgi_pass unix:/var/run/munin/fastcgi-munin-graph.sock;
+       include fastcgi_params;
+    }
+
+    location /static/ {
+       alias /etc/munin/static/;
+    }
+
+    location /favicon.ico {
+       alias /etc/munin/static/$request_uri;
+    }
+
+}

Metadata/groups.xml

@@ -1571,6 +1571,7 @@
   <Group name="munin-server"
     category="supervisor-server">
     <Bundle name="munin-server"/>
+    <Group name="nginx">
     <!-- <Bundle name="munin"/> -->
   </Group>
 

Python/etc/monit/services

@@ -186,6 +186,14 @@ service("mysql",
 service("munin-node",
         pidf="munin/munin-node")
 
+service("munin-server",
+    name="munin-fastcgi",
+    pidf="munin/fastcgi-munin-graph",
+    extra=[
+    "if failed unixsocket /var/run/munin/fastcgi-munin-graph.sock then restart",
+    "if failed unixsocket /var/run/munin/fastcgi-munin-html.sock then restart",
+ ])
+
 service("nslcd",
         pidf="nslcd/nslcd",
         extra=["if failed unixsocket /var/run/nslcd/socket then restart"])

Python/etc/munin/munin.conf

@@ -38,13 +38,13 @@ contact.roots.command mail -s "Munin - ${var:host} : ${var:graph_title}" nobody@
 #contact.impression.command mail -s "Munin - ${var:graph_title}" impression@crans.org
 
 # Nagios
-contact.nagios.command /usr/sbin/send_nsca -H localhost -c /etc/send_nsca.cfg -to 120 > /dev/null
-contacts nagios
+#contact.nagios.command /usr/sbin/send_nsca -H localhost -c /etc/send_nsca.cfg -to 120 > /dev/null
+#contacts nagios
 
 # Les graphes sont réalisés via le CGI
 graph_strategy cgi
 cgiurl /munin-bin
-cgiurl_graph /munin-cgi/munin-cgi-graph
+cgiurl_graph /munin-graph
 
 # Et l'html aussi
 html_strategy cgi