merge - munin system monitoring

conf/nginx-primaryonly.conf

@@ -2,6 +2,7 @@
 	# Proxy /admin to our Python based control panel daemon. It is
 	# listening on IPv4 only so use an IP address and not 'localhost'.
 	rewrite ^/admin$ /admin/;
+	rewrite ^/admin/munin$ /admin/munin redirect;
 	location /admin/ {
 		proxy_pass http://127.0.0.1:10222/;
 		proxy_set_header X-Forwarded-For $remote_addr;

management/daemon.py

@@ -4,7 +4,7 @@ import os, os.path, re, json
 
 from functools import wraps
 
-from flask import Flask, request, render_template, abort, Response
+from flask import Flask, request, render_template, abort, Response, send_from_directory
 
 import auth, utils
 from mailconfig import get_mail_users, get_mail_users_ex, get_admins, add_mail_user, set_mail_password, remove_mail_user
@@ -384,6 +384,17 @@ def backup_status():
 	from backup import backup_status
 	return json_response(backup_status(env))
 
+# MUNIN
+
+@app.route('/munin/')
+@app.route('/munin/<path:filename>')
+@authorized_personnel_only
+def munin(filename=""):
+	# Checks administrative access (@authorized_personnel_only) and then just proxies
+	# the request to static files.
+	if filename == "": filename = "index.html"
+	return send_from_directory("/var/cache/munin/www", filename)
+
 # APP
 
 if __name__ == '__main__':

management/templates/index.html

@@ -98,9 +98,10 @@
                 <li><a href="#ssl" onclick="return show_panel(this);">SSL Certificates</a></li>
                 <li><a href="#system_backup" onclick="return show_panel(this);">Backup Status</a></li>
                 <li class="divider"></li>
-                <li class="dropdown-header">Advanced Options</li>
+                <li class="dropdown-header">Advanced Pagess</li>
                 <li><a href="#custom_dns" onclick="return show_panel(this);">Custom DNS</a></li>
                 <li><a href="#external_dns" onclick="return show_panel(this);">External DNS</a></li>
+                <li><a href="/admin/munin">Munin Monitoring</a></li>
               </ul>
             </li>
             <li class="dropdown">

setup/munin.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+# Munin: resource monitoring tool
+#################################################
+
+source setup/functions.sh # load our functions
+source /etc/mailinabox.conf # load global vars
+
+# install Munin
+apt_install munin munin-node
+
+# edit config
+cat > /etc/munin/munin.conf <<EOF;
+dbdir /var/lib/munin
+htmldir /var/cache/munin/www
+logdir /var/log/munin
+rundir /var/run/munin
+tmpldir /etc/munin/templates
+
+includedir /etc/munin/munin-conf.d
+
+# a simple host tree
+[$PRIMARY_HOSTNAME]
+address 127.0.0.1
+
+# send alerts to the following address
+contacts admin
+contact.admin.command mail -s "Munin notification ${var:host}" administrator@$PRIMARY_HOSTNAME
+contact.admin.always_send warning critical
+EOF
+
+# generate initial statistics so the directory isn't empty
+sudo -u munin munin-cron

setup/start.sh

@@ -145,6 +145,7 @@ source setup/webmail.sh
 source setup/owncloud.sh
 source setup/zpush.sh
 source setup/management.sh
+source setup/munin.sh
 
 # Ping the management daemon to write the DNS and nginx configuration files.
 while [ ! -f /var/lib/mailinabox/api.key ]; do