hosts-ping

[svn/Prometheus-QoS/.git] / optional-tools / hosts-ping.py

diff --git a/optional-tools/hosts-ping.py b/optional-tools/hosts-ping.py
new file mode 100755 (executable)
index 0000000..f1a8fb6
--- /dev/null
+++ b/optional-tools/hosts-ping.py
@@ -0,0 +1,149 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+import ping, socket
+import os, time
+
+# (G)2013 xChaos, Arachne Labs http://arachne.cz + SPOJE.NET http://spoje.net
+
+hosts = "/etc/hosts"
+timeout = 1500 #timeout in ms
+interval = 200 #ping interval in ms
+attempts = 10
+
+tld = ".czf"
+domain = ".brevnov.czf"
+smokeping_prefix = "Klienti"
+smpater_prefix = "Backbone"
+smokeping_babble_length = 3
+smpater_babble_length = 2
+smokeping_html = "/var/www/html/web/sites/sysifos/hosts-ping/index.html"
+smpater_html = "/var/www/html/web/sites/sysifos/hosts-ping/backbone.html"
+smokeping_url = "http://sisyfos.brevnov.czf/cgi-bin/smokeping.cgi?filter=%s&target=%s"
+smpater_url = "http://tartarus.brevnov.czf/cgi-bin/smokeping.cgi?filter=%s&target=%s"
+table_head = """
+<table class="decorated last">
+<caption>hosts ping (%s)</caption><thead><tr>
+<th style="text-align: right;">#</th>
+<th>hostname</th>
+<th style="text-align: right;">received</th>
+<th style="text-align: right;">avg</th>
+<th style="text-align: right;">best</th>
+<th style="text-align: right;">worst</th>
+</tr></thead><tbody>
+"""
+table_end = """
+</tbody></table>
+<br />
+<p>Page generated by (G)2013 xChaos hosts-ping version 0.1-a</p>
+"""
+
+def try_to_ping(host):
+  sum = 0.0
+  best = None
+  worst = None
+  loss = 0
+
+  for i in range(0, attempts):
+    try:
+      delay = ping.Ping(host, timeout = timeout).do() #timeout in ms
+      time.sleep(interval/1000)
+
+      if delay:
+        sum += delay     
+
+        if not best or best > delay:
+          best = delay
+
+        if not worst or worst < delay:
+          worst = delay
+
+      else:
+        loss += 1
+
+    except socket.error, e:
+      loss += 1
+
+  return (sum/attempts, best, worst, loss)
+
+
+def smokenam_style(hostname, prefix, babble_length):
+
+  if not tld in hostname:
+    hostname += domain
+  
+  babble = hostname.split('.')
+  return '.'.join([prefix,] + [a_tooth for a_tooth in reversed(babble)][1:babble_length] + ['-'.join(babble),])
+
+
+def append_host(html, host, base_url, counter):
+  style = {'right': 'text-align: right;'}
+  columns = ('loss','avg','best','worst')
+  red_treshold = (0, 100, 50, 200)
+  green_treshold = (0, 2, 1, 10)
+  
+  for kolikaty, column in enumerate(columns):
+    style[column] = style['right']
+
+    if not host[column]:
+      host[column] = 0 #don't want it to be "None" type
+
+    if host[column] > red_treshold[kolikaty]:
+      style[column] += ' color: red;'
+    elif host[column] < green_treshold[kolikaty]:
+      style[column] += ' color: green;'
+  
+  received = attempts-host['loss']
+  html.write(   ('<tr class="%s"><td style="%s">%d</td><td><a href="%s" target="_blank" class="blue">%s</a></td><td style="%s">%d/%d</td>' + "\n")
+              % (('even', 'odd')[counter % 2], style['right'], counter, base_url % (host['name'], host['smokename']), host['name'], style['loss'], received, attempts))
+
+  if host['avg'] and host['best'] and host['worst']:
+    html.write(   ('<td style="%s">%1.2f</td><td style="%s">%1.2f</td><td style="%s">%1.2f</td></tr>' + "\n")
+                % (style['avg'], host['avg'], style['best'], host['best'], style['worst'], host['worst']))
+  else:
+    html.write(3*('<td style="%s">-</td>' % style['loss']) + "\n")
+
+# main program
+
+smokeping = []
+smpater = []
+
+for radek in open(hosts):
+  if radek[0] != '#':
+    is_smokeping = 'smokeping' in radek and not 'hidden' in radek
+    is_smpater = 'smpater' in radek
+    if is_smokeping or is_smpater:      
+      slovo = radek.split("\t")
+      host = { 'ip': slovo[0], 'name': slovo[1].split(' ')[0] }
+      (host['avg'], host['best'], host['worst'], host['loss']) = try_to_ping(host['ip'])
+
+      if is_smokeping:
+        host['smokename'] = smokenam_style(host['name'], smokeping_prefix, smokeping_babble_length)
+        smokeping.append(host)
+      else:
+        host['smokename'] = smokenam_style(host['name'], smpater_prefix, smpater_babble_length)
+        smpater.append(host)
+
+# smokeping
+
+html = open(smokeping_html, 'w')
+html.write("<h1>Smokeping - klientská zařízení</h1>");
+html.write(table_head % time.ctime());
+
+for kolikaty, host in enumerate(sorted(smokeping, key = lambda host: -host['loss']*attempts*timeout-host['avg'])):
+  append_host(html, host, smokeping_url, kolikaty+1)
+
+html.write(table_end);
+html.close();
+
+# smpater
+
+html = open(smpater_html, 'w')
+html.write("<h1>Smokeping - páteřní routery</h1>");
+html.write(table_head % time.ctime());
+
+for kolikaty, host in enumerate(sorted(smpater, key = lambda host: -host['loss']*attempts*timeout-host['avg'])):
+  append_host(html, host, smpater_url, kolikaty+1)
+
+html.write(table_end);
+html.close();