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- update readme for centos

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- add prerequistes section
- fix python syntax issues on centos - potentially related to python2.6
	- switched  "fooo {}".format(...    to "foo {0}".format(....
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root 2015-07-29 15:08:42 -04:00
commit 5c837d7e00
2 changed files with 30 additions and 16 deletions
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19
README.md
View file

@ -3,6 +3,14 @@ Multi-source traceroute with geolocation information. Demo: [IP Address Lookup](
![Using output from traceroute.py to plot hops on Google Map](https://raw.github.com/ayeowch/traceroute/master/screenshot.png)
## Prerequisites
1. python2.7
2. pip
3. virtualenv
4. traceroute (commandline version)
5. Might need to ensure you have gcc and python dev modules for your distribution
## Installation
1. Create a project root directory (proj_root herein) for the traceroute scripts to live. The init-script assumes /var/lib/python/traceroute.
@ -13,14 +21,17 @@ Multi-source traceroute with geolocation information. Demo: [IP Address Lookup](
bmartin@crappy-laptop:/var/lib/python/traceroute$ ls
env init-script LICENSE persistence.json README.md requirements.txt screenshot.png sources.json traceroute.py traceroute.sh
5. Copy 'traceroute' from init-script into the /etc/init.d folder.
5. Copy 'traceroute' from init-script into the /etc/init.d folder. Ensure to make the traceroute script executable.
6. If Debian - Run the command: (tbd)
rc-update-d traceroute defaults
update-rc-d traceroute defaults
(might see some complaints)
7. If Centos, run this:
chkconfig --level 35 traceroute on
7. If Centos - ....tbd
8. For a quick test, run
/etc/init.d/traceroute start
## Usage

27
traceroute.py
View file

@ -80,9 +80,9 @@ class Traceroute(object):
that are listed at traceroute.org. For each hop, we will then attach
geolocation information to it.
"""
self.print_debug("ip_address={}".format(self.ip_address))
self.print_debug("ip_address={0}".format(self.ip_address))
filename = "{}.{}.txt".format(self.ip_address, self.country)
filename = "{0}.{1}.txt".format(self.ip_address, self.country)
filepath = os.path.join(self.tmp_dir, filename)
if not os.path.exists(filepath):
@ -122,7 +122,7 @@ class Traceroute(object):
traceroute = re.findall(pattern, content)[0].strip()
except IndexError:
# Manually append closing </pre> for partially downloaded page
content = "{}</pre>".format(content)
content = "{0}</pre>".format(content)
traceroute = re.findall(pattern, content)[0].strip()
return (status_code, traceroute)
@ -223,7 +223,7 @@ class Traceroute(object):
Returns geolocation information for the given IP address.
"""
location = None
url = "http://dazzlepod.com/ip/{}.json".format(ip_address)
url = "http://dazzlepod.com/ip/{0}.json".format(ip_address)
status_code, json_data = self.urlopen(url)
if status_code == 200 and json_data:
tmp_location = json.loads(json_data)
@ -234,6 +234,8 @@ class Traceroute(object):
"""return true if hop time exceeds specified latency threshold"""
# remote ' ms' from ping time
ping_as_float = float(ping_time.replace(" ms",""))
print "Compare {0} to {1}".format(ping_as_float, self.LATENCY_THRESHOLD)
return ping_as_float >= self.LATENCY_THRESHOLD
@ -252,9 +254,9 @@ class Traceroute(object):
signal.alarm(self.timeout)
stdout, stderr = process.communicate()
returncode = process.returncode
self.print_debug("cmd={}, returncode={}".format(cmd, returncode))
self.print_debug("cmd={0}, returncode={1}".format(cmd, returncode))
if returncode != 0:
self.print_debug("stderr={}".format(stderr))
self.print_debug("stderr={0}".format(stderr))
signal.alarm(0)
except Exception as err:
self.print_debug(str(err))
@ -293,7 +295,8 @@ class Traceroute(object):
'mac' : addr[netifaces.AF_LINK][0]['addr']
}})
except KeyError,e:
self.print_debug("Key not found - _get_network_interface_info - {}".format(addr))
pass
self.print_debug("Key not found - _get_network_interface_info - {0}".format(addr))
return iface_list
@ -326,7 +329,7 @@ class Traceroute(object):
content = ""
try:
response = urllib2.urlopen(request)
self.print_debug("url={}".format(response.geturl()))
self.print_debug("url={0}".format(response.geturl()))
content = self.chunked_read(response)
except urllib2.HTTPError as err:
status_code = err.code
@ -352,7 +355,7 @@ class Traceroute(object):
break
content += data
read_bytes += bytes_per_read
self.print_debug("read_bytes={}, {}".format(read_bytes, data))
self.print_debug("read_bytes={0}, {1}".format(read_bytes, data))
signal.alarm(0)
except Exception as err:
self.print_debug(str(err))
@ -362,14 +365,14 @@ class Traceroute(object):
"""
Raises exception when signal is caught.
"""
raise Exception("Caught signal {}".format(signum))
raise Exception("Caught signal {0}".format(signum))
def print_debug(self, msg):
"""
Prints debug message to standard output.
"""
if self.debug:
print("[DEBUG {}] {}".format(datetime.datetime.now(), msg))
print("[DEBUG {0}] {1}".format(datetime.datetime.now(), msg))
def get_report(self):
report = {}
@ -511,7 +514,7 @@ def main():
if traceroute.pingLatencyThresholdExceeded():
try:
result = post_result(options.webhook, report, options.timeout)
print "Webhook POST Result: {}".format(result)
print "Webhook POST Result: {0}".format(result)
except Exception,e:
print "Provided webhook {0} is invalid. Message was: {1}".format(options.webhook, e)
else: