@@ -155,44 +155,42 @@ tests (net, CPU) fail, it will send an email.
155155 # Package for email services:
156156 import smtplib
157157 import string
158- MAX_NET_USAGE = 400000
158+ MAX_NET_USAGE = 400000 # bytes per seconds
159159 MAX_ATTACKS = 4
160160 attack = 0
161- counter = 0
162161 while attack <= MAX_ATTACKS :
163162 sleep(4 )
164- counter = counter + 1
165- # Check the cpu usage
166- if cpu_percent(interval = 1 ) > 70 :
167- attack = attack + 1
168- # Check the net usage
169- neti1 = net_io_counters()[1 ]
170- neto1 = net_io_counters()[0 ]
163+
164+ # Check the net usage wit named tuples
165+ neti1 = net_io_counters().bytes_recv
166+ neto1 = net_io_counters().bytes_sent
171167 sleep(1 )
172- neti2 = net_io_counters()[1 ]
173- neto2 = net_io_counters()[0 ]
168+ neti2 = net_io_counters().bytes_recv
169+ neto2 = net_io_counters().bytes_sent
170+
174171 # Calculate the bytes per second
175172 net = ((neti2+ neto2) - (neti1+ neto1))/ 2
176- if net > MAX_NET_USAGE :
177- attack = attack + 1
178- if counter > 25 :
179- attack = 0
180- counter = 0
173+
174+ # Check the net and cpu usage
175+ if (net > MAX_NET_USAGE ) or (cpu_percent(interval = 1 ) > 70 ):
176+ attack+= 1
177+ elif attack > 1 :
178+ attack-= 1
179+
181180 # Write a very important email if attack is higher than 4
182181 TO = " you@your_email.com"
183182 FROM = " webmaster@your_domain.com"
184183 SUBJECT = " Your domain is out of system resources!"
185184 text = " Go and fix your server!"
186- BODY = string.join((" From: %s " % FROM ," To: %s " % TO ," Subject: %s " % SUBJECT , " " " \r\n "
185+ string= " \r\n "
186+ BODY = string.join((" From: %s " % FROM ," To: %s " % TO ,
187+ " Subject: %s " % SUBJECT , " "
187188 server = smtplib.SMTP(' 127.0.0.1'
188189 server.sendmail(FROM , [TO ], BODY )
189190 server.quit()
190191
191192
192- A full terminal application like a widely extended top which is based on
193- psutil and with the ability of a client-server monitoring is
194- `glance <https://github.com/nicolargo/glances/ >`_.
195- 193+ A full terminal application like a widely extended top is `Glance <https://github.com/nicolargo/glances/ >`_, which is based on psutil and has the ability for client-server monitoring.
196194
197195*******
198196Ansible
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