检测链路状态并画图
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import urllib, urllib2
import os, sys, socket
import datetime, time
import json, re, subprocess
import pycurl, cStringIO
import threading
import rrdtool
from optparse import OptionParser
MTR = []
SPEED = []
def get_m3u8_info(type, ip):
params = urllib.urlencode({'unit': 'newusa', 'channel': 'CCTV1', 'type': type})
req = urllib2.urlopen('http://' + ip + '/approve/live?%s' % params)
headers = req.info()
rawdata = req.read()
if ('Content-Encoding' in headers and headers['Content-Encoding']) or ('content-encoding' in headers and headers['content-encoding']):
import gzip
import StringIO
data = StringIO.StringIO(rawdata)
gz = gzip.GzipFile(fileobj=data)
rawdata = gz.read()
gz.close()
urls = []
for line in rawdata.split('\n'):
m = re.match('^http.*ts$', line)
if m:
urls.append(m.group(0))
return urls[0]
def get_ts_file(name, url):
buffer = cStringIO.StringIO()
curl = pycurl.Curl()
curl.setopt(pycurl.CONNECTTIMEOUT, 2)
curl.setopt(pycurl.TIMEOUT, 10)
curl.setopt(pycurl.NOSIGNAL, 1)
curl.setopt(pycurl.URL, url)
curl.setopt(pycurl.WRITEFUNCTION, buffer.write)
try:
curl.perform()
download_speed = curl.getinfo(pycurl.SPEED_DOWNLOAD)
SPEED.append((name, str(download_speed)))
buffer.close()
curl.close()
except Exception, e:
SPEED.append((name, 'U'))
buffer.close()
curl.close()
class Quality(threading.Thread):
def __init__(self, name, ip, count):
threading.Thread.__init__(self)
self.name = name
self.ip = ip
self.count = count
def run(self):
try:
p = subprocess.Popen(['/usr/sbin/mtr', '-n', '-c', self.count, '-r', self.ip], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, error = p.communicate()
if output:
info = output.split('\n')[-2]
m = re.match('\s+\S+\s+\S+\s+(\S+)%\s+\S+\s+\S+\s+(\S+).*', info)
if m:
MTR.append((self.name, m.group(1), m.group(2)))
else:
MTR.append((self.name, 'U', 'U'))
if error:
print "ret> ", p.returncode
print "Error> error ", error.strip()
except OSError as e:
print "OSError > ", e.errno
print "OSError > ", e.strerror
print "OSError > ", e.filename
except:
print "Error > ", sys.exc_info()
def create_rrd(rrdfile, datasource):
dss = [ 'DS:%s:GAUGE:120:0:U' % ds for ds in datasource.split(',') ]
rra = [
'RRA:AVERAGE:0.5:1:1440',
'RRA:AVERAGE:0.5:15:672',
'RRA:AVERAGE:0.5:60:744',
'RRA:AVERAGE:0.5:1440:375',
'RRA:MIN:0.5:1:1440',
'RRA:MIN:0.5:15:672',
'RRA:MIN:0.5:60:744',
'RRA:MIN:0.5:1440:375',
'RRA:MAX:0.5:1:1440',
'RRA:MAX:0.5:15:672',
'RRA:MAX:0.5:60:744',
'RRA:MAX:0.5:1440:375',
'RRA:LAST:0.5:1:1440',
'RRA:LAST:0.5:15:672',
'RRA:LAST:0.5:60:744',
'RRA:LAST:0.5:1440:375',
]
rrdtool.create(rrdfile, '--step', '60', '--start', '-1y', dss, rra)
def update_rrd(mode, datasource, timestamp):
if mode == 'download':
rrd_file = 'download.rrd'
if not os.path.exists(rrd_file):
create_rrd(rrd_file, datasource)
labels = []
downloads = []
for label, download in SPEED:
labels.append(label)
downloads.append(download)
rrdtool.update(rrd_file, '--template', ':'.join(labels), 'N:'+':'.join(downloads))
if mode == 'mtr':
rrd_file_loss = 'loss.rrd'
rrd_file_ping = 'ping.rrd'
if not os.path.exists(rrd_file_loss):
create_rrd(rrd_file_loss, datasource)
if not os.path.exists(rrd_file_ping):
create_rrd(rrd_file_ping, datasource)
labels = []
losses = []
pings = []
for label, loss, ping in MTR:
labels.append(label)
losses.append(loss)
pings.append(ping)
rrdtool.update(rrd_file_loss, '--template', ':'.join(labels), 'N:'+':'.join(losses))
rrdtool.update(rrd_file_ping, '--template', ':'.join(labels), 'N:'+':'.join(pings))
def generate_graph_element(rrdfile, dss, unit):
colors = ['#FFFF00', '#339933', '#FF6666', '#0066CC', '#FFFFFF']
comment = 'COMMENT: \\n'
defs = [ 'DEF:%s=%s:%s:AVERAGE' % (ds, rrdfile, ds) for ds in dss.split(',') ]
vdefs_min = [ 'VDEF:%s_min=%s,MINIMUM' % (ds, ds) for ds in dss.split(',') ]
vdefs_max = [ 'VDEF:%s_max=%s,MAXIMUM' % (ds, ds) for ds in dss.split(',') ]
vdefs_avg = [ 'VDEF:%s_avg=%s,AVERAGE' % (ds, ds) for ds in dss.split(',') ]
vdefs_last = [ 'VDEF:%s_last=%s,LAST' % (ds, ds) for ds in dss.split(',') ]
vdefs = []
for vdef in zip(vdefs_min, vdefs_max, vdefs_avg, vdefs_last):
vdefs.extend(vdef)
lines = [ 'LINE1:%s%s:%s' % (ds, colors[idx], ds) for idx, ds in enumerate(dss.split(',')) ]
gprints_min = [ 'GPRINT:%s_min:MIN\:%%7.2lf %%s%s' % (ds, unit) for ds in dss.split(',') ]
gprints_max = [ 'GPRINT:%s_max:MAX\:%%7.2lf %%s%s' % (ds, unit) for ds in dss.split(',') ]
gprints_avg = [ 'GPRINT:%s_avg:AVERAGE\:%%7.2lf %%s%s' % (ds, unit) for ds in dss.split(',') ]
gprints_last = [ 'GPRINT:%s_last:LAST\:%%7.2lf %%s%s' % (ds, unit) for ds in dss.split(',') ]
gprints = []
for gprint in zip(lines, gprints_min, gprints_max, gprints_avg, gprints_last):
gprints.extend(gprint)
gprints.append(comment)
return defs, vdefs, gprints
def graph_rrd(hostname, names, dss):
colors = [ \
'-c', 'SHADEA#000000', \
'-c', 'SHADEB#111111', \
'-c', 'FRAME#AAAAAA', \
'-c', 'FONT#FFFFFF', \
'-c', 'ARROW#FFFFFF', \
'-c', 'AXIS#FFFFFF', \
'-c', 'BACK#333333', \
'-c', 'CANVAS#333333', \
'-c', 'MGRID#CCCCCC', \
]
xgrid = 'MINUTE:10:MINUTE:30:MINUTE:30:0:%H:%M'
for name in names.split(','):
if name == 'download':
label = 'Bytes'
title = 'link_%s on %s' % (name, hostname)
rrdfile = name + '.rrd'
imgfile = name + '.png'
defs, vdefs, gprints = generate_graph_element(rrdfile, dss, 'B')
rrdtool.graph(imgfile, '-t', title, '-v', label, '-w', '520', '--start', '-3h', '--step', '60', '--x-grid', xgrid, colors, defs, vdefs, gprints)
if name == 'loss':
label = '%'
title = 'link_%s on %s' % (name, hostname)
rrdfile = name + '.rrd'
imgfile = name + '.png'
defs, vdefs, gprints = generate_graph_element(rrdfile, dss, '%%')
rrdtool.graph(imgfile, '-t', title, '-v', label, '-w', '520', '--start', '-3h', '--step', '60', '--x-grid', xgrid, colors, defs, vdefs, gprints)
if name == 'ping':
label = 'ms'
title = 'link_%s on %s' % (name, hostname)
rrdfile = name + '.rrd'
imgfile = name + '.png'
defs, vdefs, gprints = generate_graph_element(rrdfile, dss, 'ms')
rrdtool.graph(imgfile, '-t', title, '-v', label, '-w', '520', '--start', '-3h', '--step', '60', '--x-grid', xgrid, colors, defs, vdefs, gprints)
if __name__ == '__main__':
usage = '''%prog [options] arg1 arg2
example:
. %prog --mode=download --name=wx-1-ct,wx-1-cu,wx-2-ct,wx-2-cu --ip=58.215.xx.xx,122.97.xx.xx,221.228.xx.xx,58.241.xx.xx --type=iptv
. %prog --mode=mtr --name=wx-1-ct,wx-1-cu,wx-2-ct,wx-2-cu --ip=58.215.xx.xx,122.97.xx.xx,221.228.xx.xx,58.241.xx.xx --count=50
. %prog --mode=graph --name=download,loss,ping --ds=wx-1-ct,wx-1-cu,wx-2-ct,wx-2-cu
'''
parser = OptionParser(usage)
parser.add_option('--mode', action='store', type='string', dest='mode', help='check mode')
parser.add_option('--name', action='store', type='string', dest='name', help='name list of the network link')
parser.add_option('--ip', action='store', type='string', dest='ip', help='ip address list of the network link')
parser.add_option('--type', action='store', type='string', dest='type', help='data rate of the ts file')
parser.add_option('--count', action='store', type='string', dest='count', help='send packets per second')
parser.add_option('--ds', action='store', type='string', dest='ds', help='data source')
(options, args) = parser.parse_args()
hostname = socket.gethostname()
timestamp = int(time.time())
if options.mode == 'download':
links = zip(options.name.split(','), options.ip.split(','))
for link in links:
url = get_m3u8_info(options.type, link[1])
get_ts_file(link[0], url)
update_rrd(options.mode, options.name, timestamp)
if options.mode == 'mtr':
links = zip(options.name.split(','), options.ip.split(','))
threads = []
for link in links:
threads.append(Quality(link[0], link[1], options.count))
for t in threads:
t.start()
for t in threads:
t.join()
update_rrd(options.mode, options.name, timestamp)
if options.mode == 'graph':
graph_rrd(hostname, options.name, options.ds)
posted on
2016-07-21 12:11
北京涛子 阅读(
...) 评论(
)
编辑
收藏
转载于:https://www.cnblogs.com/liujitao79/p/5691289.html
