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https://github.com/munin-monitoring/contrib.git
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Merge both SB6183 plugins
Add more error handling for bad status from modem Signed-off-by: Nathaniel Clark <Nathaniel.Clark@misrule.us>
This commit is contained in:
Nathaniel Clark
Lars Kruse
parent
7b07874918
commit
77e5305923
2 changed files with 95 additions and 168 deletions
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@ -27,6 +27,7 @@ This provides the following multigraphs:
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* upstream and downstream power levels
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* downstream signal to noise ratio
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* downstream error counts
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* uptime
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The values are retrieved from the cable modem's status web pages at
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192.168.100.1. So, this plugin must be installed on a munin node
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@ -74,7 +75,8 @@ import sys
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from urllib import request
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HOSTNAME = os.getenv("hostname", None)
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URL = "http://192.168.100.1/RgConnect.asp"
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STATUS_URL = "http://192.168.100.1/RgConnect.asp"
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INFO_URL = "http://192.168.100.1/RgSwInfo.asp"
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UPCOUNT = 4
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DOWNCOUNT = 16
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@ -83,6 +85,22 @@ if len(sys.argv) == 2:
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if HOSTNAME:
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print("host_name {0}\n".format(HOSTNAME))
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# UPTIME
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print(
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"""multigraph arris_uptime
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graph_title Modem Uptime
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graph_category system
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graph_args --base 1000 -l 0
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graph_vlabel uptime in days
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graph_scale no
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graph_category system
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graph_info This graph shows the number of days that the the host is up and running so far.
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uptime.label uptime
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uptime.info The system uptime itself in days.
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uptime.draw AREA
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"""
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)
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# POWER
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print("multigraph arris_power")
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print("graph_title Arris Power (dBmV)")
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@ -170,7 +188,7 @@ if len(sys.argv) == 2:
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try:
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from lxml import html
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resp = request.urlopen(URL)
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resp = request.urlopen(STATUS_URL)
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except ImportError:
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print("no (missing lxml module)")
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except OSError:
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@ -188,26 +206,70 @@ rxblank = re.compile(r"[\x00\n\r\t ]+", re.MULTILINE)
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rxcomment = re.compile(r"<!--.*?-->")
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rxscript = re.compile(r"<script.*?</script>", re.MULTILINE)
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resp = request.urlopen(URL)
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data = rxscript.sub(
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"",
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rxcomment.sub(
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def process_url(url):
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"""
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Extract simpleTables from page at URL
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"""
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try:
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resp = request.urlopen(url)
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except OSError:
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print("failed to contact router", file=sys.stderr)
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return []
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if resp.status != 200:
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print(
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"failed to get status page %d: %s" % (resp.status, resp.reason),
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file=sys.stderr,
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)
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return []
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data = rxscript.sub(
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"",
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rxblank.sub(" ", "".join(map(lambda x: x.decode("utf-8"), resp.readlines()))),
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),
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)
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dom = html.fromstring(data)
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rxcomment.sub(
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"",
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rxblank.sub(
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" ", "".join(map(lambda x: x.decode("utf-8"), resp.readlines()))
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),
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),
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)
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dom = html.fromstring(data)
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arr = dom.xpath('//table[contains(@class, "simpleTable")]')
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downstream = arr[1]
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upstream = arr[2]
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return dom.xpath('//table[contains(@class, "simpleTable")]')
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trs = downstream.findall("tr")
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# drop title
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trs.pop(0)
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headings = ["".join(x.itertext()).strip() for x in trs.pop(0).findall("td")]
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# ['Channel', 'Lock Status', 'Modulation', 'Channel ID', 'Frequency', 'Power', 'SNR', 'Corrected', 'Uncorrectables']
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print("multi_graph arris_uptime")
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arr = process_url(INFO_URL)
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if arr:
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trs = arr[1].findall("tr")
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# drop title
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trs.pop(0)
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date = "".join(trs[0].findall("td")[1].itertext()).strip()
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arr = date.split(" ")
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rx = re.compile(r"[hms]")
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days = int(arr[0])
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hms = rx.sub("", arr[2]).split(":")
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seconds = ((days * 24 + int(hms[0])) * 60 + int(hms[1])) * 60 + int(hms[2])
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print("uptime.value {0}".format(seconds / 86400.0))
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else:
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print("uptime.value U")
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arr = process_url(STATUS_URL)
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if arr:
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downstream = arr[1]
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upstream = arr[2]
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trs = downstream.findall("tr")
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# drop title
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trs.pop(0)
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headings = ["".join(x.itertext()).strip() for x in trs.pop(0).findall("td")]
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# ['Channel', 'Lock Status', 'Modulation', 'Channel ID', 'Frequency', 'Power', 'SNR', 'Corrected', 'Uncorrectables']
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else:
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trs = []
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headings = []
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# Summation Graphs
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correct = 0
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@ -223,7 +285,7 @@ for row in trs:
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channel = int(data["Channel"])
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print("multigraph arris_power.down_{0}".format(channel))
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print("\nmultigraph arris_power.down_{0}".format(channel))
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value = data["Power"].split(" ")[0]
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print("power.value {0}".format(value))
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power["down"][channel - 1] = value
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@ -239,7 +301,7 @@ for row in trs:
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# Fill missing
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for i in range(len(trs), DOWNCOUNT):
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print("multigraph arris_power.down_{0}".format(i + 1))
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print("\nmultigraph arris_power.down_{0}".format(i + 1))
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print("power.value U")
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print("multigraph arris_snr.down_{0}".format(i + 1))
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@ -250,19 +312,25 @@ for i in range(len(trs), DOWNCOUNT):
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print("uncr.value U")
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print("multigraph arris_error")
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print("corr.value {0}".format(correct))
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print("uncr.value {0}".format(uncorr))
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if arr:
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print("corr.value {0}".format(correct))
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print("uncr.value {0}".format(uncorr))
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else:
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print("corr.value U")
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print("uncr.value U")
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print("multigraph arris_snr")
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for i in range(0, DOWNCOUNT):
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print("down_{0}.value {1}".format(i + 1, snr[i]))
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trs = upstream.findall("tr")
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# drop title
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trs.pop(0)
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if arr:
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trs = upstream.findall("tr")
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# drop title
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trs.pop(0)
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headings = ["".join(x.itertext()).strip() for x in trs.pop(0).findall("td")]
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# ['Channel', 'Lock Status', 'US Channel Type', 'Channel ID', 'Symbol Rate', 'Frequency', 'Power']
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headings = ["".join(x.itertext()).strip() for x in trs.pop(0).findall("td")]
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# ['Channel', 'Lock Status', 'US Channel Type', 'Channel ID', 'Symbol Rate', 'Frequency', 'Power']
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for row in trs:
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data = dict(
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zip(headings, ["".join(x.itertext()).strip() for x in row.findall("td")])
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@ -1,141 +0,0 @@
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#!/usr/bin/env python3
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# Copyright 2020 Nathaniel Clark <nathaniel.clark@misrule.us>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Library General Public License as published by
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# the Free Software Foundation; version 2 only
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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"""
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=head1 NAME
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arris-sb6183_uptime - Uptime monitoring for Arris SB6183 Cable Modem
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=head1 CONFIGURATION
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Make sure 192.168.100.1 is accessible through your firewall.
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To have this register with munin as it's own host set the "env.hostname" in config.
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Also ensure that the hostname set is listed in munin.conf.
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[arris*]
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env.hostname modem
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=head1 TESTING
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Developed and tested with:
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firmware: D30CM-OSPREY-2.4.0.1-GA-02-NOSH
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hardware version: 1
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=head1 VERSION
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0.0.1
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=head1 AUTHOR
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Nathaniel Clark <nathaniel.clark@misrule.us>
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=head1 LICENSE
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GPLv2
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=head1 MAGIC MARKERS
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#%# family=contrib
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#%# capabilities=autoconf
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=cut
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"""
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import re
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import os
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import sys
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from urllib import request
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HOSTNAME = os.getenv("hostname", None)
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URL = "http://192.168.100.1/RgSwInfo.asp"
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if len(sys.argv) == 2:
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if sys.argv[1] == "config":
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if HOSTNAME:
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print("host_name {0}".format(HOSTNAME))
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# POWER
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print(
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"""graph_title Modem Uptime
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graph_category system
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graph_args --base 1000 -l 0
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graph_vlabel uptime in days
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graph_scale no
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graph_category system
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graph_info This graph shows the number of days that the the host is up and running so far.
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uptime.label uptime
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uptime.info The system uptime itself in days.
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uptime.draw AREA
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"""
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)
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sys.exit(0)
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if sys.argv[1] == "autoconfig":
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try:
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from lxml import html
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resp = request.urlopen(URL)
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except ImportError:
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print("no (missing lxml module)")
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except OSError:
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print("no (no router)")
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else:
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if page.status_code == 200:
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print("yes")
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else:
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print("no (Bad status code: %d)" % page.status_code)
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sys.exit(0)
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from lxml import html
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rxblank = re.compile(r"[\x00\n\r\t ]+", re.MULTILINE)
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rxcomment = re.compile(r"<!--.*?-->")
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rxscript = re.compile(r"<script.*?</script>", re.MULTILINE)
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resp = request.urlopen(URL)
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if resp.status != 200:
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print(
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"failed to get status page %d: %s" % (resp.status, resp.reason), file=sys.stderr
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)
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print("uptime.value U")
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sys.exit(0)
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data = rxscript.sub(
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"",
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rxcomment.sub(
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"",
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rxblank.sub(" ", "".join(map(lambda x: x.decode("utf-8"), resp.readlines()))),
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),
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)
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dom = html.fromstring(data)
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arr = dom.xpath('//table[contains(@class, "simpleTable")]')
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trs = arr[1].findall("tr")
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# drop title
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trs.pop(0)
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date = "".join(trs[0].findall("td")[1].itertext()).strip()
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arr = date.split(" ")
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rx = re.compile(r"[hms]")
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days = int(arr[0])
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hms = rx.sub("", arr[2]).split(":")
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seconds = ((days * 24 + int(hms[0])) * 60 + int(hms[1])) * 60 + int(hms[2])
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print("uptime.value {0}".format(seconds / 86400.0))
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