@@ -155,44 +155,42 @@ tests (net, CPU) fail, it will send an email.
155155# Package for email services:
156156import smtplib
157157import string
158- MAX_NET_USAGE = 400000
158+ MAX_NET_USAGE = 400000 # bytes per seconds
159159MAX_ATTACKS = 4
160160 attack= 0
161- counter= 0
162161while 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
182181TO = " you@your_email.com"
183182FROM = " webmaster@your_domain.com"
184183SUBJECT = " 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-
193- psutil and with the ability of a client-server monitoring is
194- `glance <https://github.com/nicolargo/glances/ >`_.
195-
193+
196194
197195*******
198196Ansible