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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import socket
import getopt
import yaml
import os
from dns import resolver,reversename
own_directory = os.path.dirname(os.path.abspath(__file__))
lib = os.path.join(own_directory, '..')
if os.path.exists(os.path.join(lib, 'hostinfo')):
sys.path = [lib] + sys.path
from hostinfo import printer
def _get_data(path):
stream = file(path, 'r')
return yaml.load(stream)
def print_info(path, key=None, oneline=False, verbose=False, nospaces=False):
data = _get_data(path)
p = printer.Printer(data, oneline, verbose, nospaces)
p.info(key)
def print_keys(path):
def _print_keys(data, prefix = ''):
for key in data.keys():
print "%s%s" % (prefix, key)
if key == 'addresses':
for k in set([a['interface'] for a in data[key]]):
print "%s%s.%s" % (prefix, key, k)
if key == 'ports':
for k in set([p['process'] for p in data[key] if 'process' in p]):
print "%s%s.%s" % (prefix, key, k)
if len([p for p in data[key] if 'process' not in p]) > 0:
print "%s%s.%s" % (prefix, key, 'UNKNOWN')
if isinstance(data[key], dict):
_print_keys(data[key], "%s%s." % (prefix, key))
data = _get_data(path)
_print_keys(data)
def print_hosts(path, short):
metadata = os.path.join(path, 'metadata', 'hosts')
if os.path.exists(metadata):
hosts = yaml.load(file(metadata, 'r'))
if 'hosts' in hosts:
for host in hosts['hosts']:
if short:
print(host.replace('.spline.inf.fu-berlin.de',''))
else:
print(host)
return True
sys.stderr.write("'%s' not found!\n" % metadata)
return False
def find_host(basepath, host):
path = os.path.join(basepath, host)
if os.path.exists(path):
return path
# try to build the fqdn
path = os.path.join(basepath, "%s.spline.inf.fu-berlin.de" %
host.replace('.spline.de', ''))
if os.path.exists(path):
return path
try:
# try to use reverse dns
addr=reversename.from_address(host)
hostname = str(resolver.query(addr,"PTR")[0])
path = os.path.join(basepath, hostname[0:-1])
except:
pass
if os.path.exists(path):
return path
return None
def print_help(self_name):
print('Usage: %s <host> [info]' % self_name)
def main():
self_name = sys.argv.pop(0)
basepath = '/usr/local/share/hostinfo'
if 'HOSTINFO_PATH' in os.environ:
basepath = os.environ['HOSTINFO_PATH']
file = oneline = keys = verbose = nospaces = help = \
hosts = short = False
try:
optlist, args = getopt.gnu_getopt(sys.argv, 'ofkvnh?p:ls',
['oneline', 'file', 'keys', 'verbose',
'nospaces', 'help', 'path=', 'hosts',
'short'])
opts = {}
for key, value in optlist:
opts[key] = value
file = any([o in opts for o in ['--file', '-f']])
oneline = any([o in opts for o in ['--oneline', '-f']])
keys = any([o in opts for o in ['--keys', '-k']])
verbose = any([o in opts for o in ['--verbose', '-v']])
nospaces = any([o in opts for o in ['--nospaces', '-n']])
help = any([o in opts for o in ['--help', '-h', '-?']])
hosts = any([o in opts for o in ['--hosts', '-l']])
short = any([o in opts for o in ['--short', '-s']])
if any([o in opts for o in ['--path', '-p']]):
basepath = [opts[o] for o in ['--path', '-p'] if o in opts][0]
except getopt.GetoptError, e:
print("Error: %s" % e)
print
args = []
if hosts:
if not print_hosts(basepath, short):
sys.exit(1)
sys.exit(0)
if help or len(args) < 1:
print_help(self_name)
if not help:
sys.exit(1)
sys.exit(0)
path = find_host(basepath, args[0])
if path is None:
print("Host '%s' could not be found!" % args[0])
sys.exit(1)
if file:
print(path)
elif keys:
print_keys(path)
else:
key=None
if len(args) > 1:
key = args[1]
print_info(path, key=key, oneline=oneline, verbose=verbose, nospaces=nospaces)
sys.exit(0)
if __name__ == '__main__':
main()
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