Cara Monitoring Squid dengan Squid.py di Ubuntu

Artikel berikut adalah Cara Install dan Setting Monitoring Squid dengan Squid.py. Sudah di tes dan merupakan catatan dokumentasi penulis



Berikut Caranya :
1. Login di terminal ubntu dengan login root
2. Ketik
    cd  --> Enter
3. Ketik

    touch squidmon.py   --> Enter

4. Ketik

    nano squidmon.py   --> Enter

5. Masukan script di bawah ini :

####### squidmon.py #######
#!/usr/bin/python

import sys

dat = {}

def sort_by_traffic(a,b):
  return cmp(a[1],b[1])

def report():
  c = []
  totalBytes = float(0)
  totalHitBytes = float(0)
  for h in dat:
    cur = dat.get(h)
    hitBytes=cur[0]
    bytes=float(cur[1])
    if bytes>0:
      c.append([h, bytes, hitBytes/bytes*100])
    totalBytes += bytes
    totalHitBytes += hitBytes

  c=sorted(c, sort_by_traffic)
  c.reverse()
  del c[40:]

  ratio = totalHitBytes/totalBytes*100
  if (totalHitBytes/1024 > 100000):
    totalHitBytes = "{:.2f}".format(totalHitBytes/1024/1024) + "M"
  else:
    totalHitBytes /= 1024
    totalHitBytes = "{:.2f}".format(totalHitBytes) + "K"
  if (totalBytes/1024 > 100000):
    totalBytes = "{:.2f}".format(totalBytes/1024/1024) + "M"
  else:
    totalBytes /= 1024
    totalBytes = "{:.2f}".format(totalBytes) + "K"

  print "cache effect: %2.2f%%, save %s of %s" % (ratio, totalHitBytes, totalBytes)
  print "Situs Paling Populer (Berdasarkan Traffic)"
  print "%33s %8s  %s" % ("Link URL", "Traffic", "( % )")
  for h in c:
    print "%33s %8d%7.2f" % (h[0], h[1]/1024, h[2])
  #print "\n".join(map(str, c))


def take_split(sl):
  shortURI = sl[6]
  isHit = 0
  hitBytes = 0
  bytes = int(sl[4])

  if shortURI[:7] == "http://":
    shortURI = shortURI[7:]
  elif shortURI[:6] == "ftp://":
    shortURI = shortURI[6:]
  if shortURI.find("/") != -1:
    shortURI = shortURI[:shortURI.find("/")]

  if sl[3].find("HIT") != -1 :
    ##print "hit for ", sl[6],"(",shortURI,")", bytes," bytes"
    hitBytes = bytes

  if dat.has_key(shortURI):
    cur = dat.get(shortURI)
    dat[shortURI]=[cur[0]+hitBytes, cur[1]+bytes ]
  else:
    dat[shortURI]=[hitBytes, bytes]


##                               3       4     5     6
## Timestamp Elapsed Client Action/Code Size Method URI Ident Hierarchy/From Content
def take_line(s):
  sl = s.split(" ")
  sl = [f for f in sl if len(f)>0 ]
  if len(sl) == 10:
    take_split(sl)
  else:
    print "wrong format [",s,"]"

def read_input(f):
    while True:
      s = f.readline()
      if not s:
        break
      take_line(s)

if sys.stdin.isatty():
    read_input(open ("/var/log/squid/access.log"))
else:
    read_input(sys.stdin)

report()

####  E N D ##########

6. Ketik
    ctrl + X --> Enter
7. Ketik
    Y --> Enter
8. Ketik
    chmod +x squidmon.py  --> Enter

SELESAI

Untuk menjalankan bisa menggunakan perintah

Ketik di terminal :

cat /var/log/squid/access.log | ./squidmon.py

cat /var/log/squid/access.log | python squidmon.py

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