hostnames registration application for I2P
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#!/usr/bin/python
# vim: set fileencoding=utf-8 :
import os
import sys
import datetime
import argparse
import logging
import configobj
# parse command line options
parser = argparse.ArgumentParser(
description='Hosts maintainer for py-i2phosts.',
epilog='Report bugs to http://zzz.i2p/topics/733')
parser.add_argument('-d', '--debug', action='store_true',
help='write debug messages to stdout')
parser.add_argument('-c', '--config', default='/etc/py-i2phosts/maintainer.conf', dest='config_file',
help='config file to use')
args = parser.parse_args()
# read config
spec = '''
log_file = string(default='/var/log/py-i2phosts/maintainer.log')
log_level = option('debug', 'info', 'warning', 'error', 'critical', default='info')
external_inactive_max = integer(default=365)
internal_inactive_max = integer(default=14)
external_expires = integer(default=30)
internal_expires = integer(default=30)
activate_min_delay = integer(default=3)
keep_expired = integer(default=730)
'''
spec = spec.split('\n')
config = configobj.ConfigObj(args.config_file, configspec=spec)
if 'include' in config:
config_included = configobj.ConfigObj(config['include'])
config.merge(config_included)
# django setup
DJANGO_SETTINGS_MODULE = 'pyi2phosts.settings'
if 'DJANGO_PROJECT_PATH' in config:
DJANGO_PROJECT_PATH = config['DJANGO_PROJECT_PATH']
else:
DJANGO_PROJECT_PATH = os.path.dirname(sys.argv[0]) + '/..'
sys.path.insert(1, DJANGO_PROJECT_PATH)
os.environ['DJANGO_SETTINGS_MODULE'] = DJANGO_SETTINGS_MODULE
from pyi2phosts.postkey.models import i2phost
from pyi2phosts.lib.utils import get_logger
from pyi2phosts.lib.utils import validate_config
# validate config
validate_config(config)
# configure logger
if args.debug == True:
log_level = 'debug'
log_file = None
else:
log_level = config['log_level']
log_file = config['log_file']
log = get_logger(filename=log_file, log_level=log_level)
all_hosts = i2phost.objects.all()
log.info('starting maintenance')
for host in all_hosts:
# how long host was added
dl = datetime.datetime.utcnow() - host.date_added
if host.last_seen == None:
# delete external hosts which we never seen after X days of inactivity
if host.external == True:
if dl > datetime.timedelta(days=config['external_inactive_max']):
log.info('deleting %s, reason: external host, never seen for %s days',
host.name, config['external_inactive_max'])
host.delete()
continue
# delete hosts added by us and never seen after X days of inactivity
else:
if dl > datetime.timedelta(days=config['internal_inactive_max']):
log.info('deleting %s, reason: internal host, never seen for %s days',
host.name, config['internal_inactive_max'])
host.delete()
continue
else:
# configure registration period for hosts
if host.external == True:
timedelta = datetime.timedelta(days=config['external_expires'])
else:
timedelta = datetime.timedelta(days=config['internal_expires'])
# get current host expiration date from database
if host.expires == None:
# workaround for situation when we updating expires first time
expires_current = datetime.datetime.utcnow().date()
else:
expires_current = host.expires
# calculate new expiration date
expires_new = host.last_seen + timedelta
expires_new = expires_new.date()
# update expiration date only if changed
if expires_new > expires_current:
log.debug('updating expires for %s', host.name)
host.expires = expires_new
# deactivate if expired
min_dl = datetime.timedelta(days=config['activate_min_delay'])
if host.expires < datetime.datetime.utcnow().date():
if host.activated == True:
log.info('deactivating %s, reason: expired', host.name)
host.activated = False
# if not expired and added more than X days ago and approved then activate
elif dl > min_dl and host.activated == False and host.approved == True:
log.info('activating %s, reason: host up and added more than %s days ago',
host.name, config['activate_min_delay'])
host.activated = True
# if expired X days ago then delete
dl_e = datetime.datetime.utcnow().date() - host.expires
if dl_e > datetime.timedelta(days=config['keep_expired']):
log.info('deleting %s, reason: expired %s days ago',
host.name, config['keep_expired'])
host.delete()
continue
host.save()