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# -*- coding: utf-8 -*-
"""
mirrorresolv command
Poll all mirror URLs and determine whether they have IPv4 and/or IPv6 addresses
available.
Usage: ./manage.py mirrorresolv
"""
from django.core.management.base import NoArgsCommand
import sys
import logging
import socket
from mirrors.models import MirrorUrl
logging.basicConfig(
level=logging.WARNING,
format='%(asctime)s -> %(levelname)s: %(message)s',
datefmt='%Y-%m-%d %H:%M:%S',
stream=sys.stderr)
logger = logging.getLogger()
class Command(NoArgsCommand):
help = "Runs a check on all active mirror URLs to determine if they are reachable via IPv4 and/or v6."
def handle_noargs(self, **options):
v = int(options.get('verbosity', 0))
if v == 0:
logger.level = logging.ERROR
elif v == 1:
logger.level = logging.WARNING
elif v == 2:
logger.level = logging.DEBUG
return resolve_mirrors()
def resolve_mirrors():
logger.debug("requesting list of mirror URLs")
for mirrorurl in MirrorUrl.objects.filter(active=True, mirror__active=True):
try:
# save old values, we can skip no-op updates this way
oldvals = (mirrorurl.has_ipv4, mirrorurl.has_ipv6)
logger.debug("resolving %3i (%s)", mirrorurl.id, mirrorurl.hostname)
families = mirrorurl.address_families()
mirrorurl.has_ipv4 = socket.AF_INET in families
mirrorurl.has_ipv6 = socket.AF_INET6 in families
logger.debug("%s: v4: %s v6: %s", mirrorurl.hostname,
mirrorurl.has_ipv4, mirrorurl.has_ipv6)
# now check new values, only update if new != old
newvals = (mirrorurl.has_ipv4, mirrorurl.has_ipv6)
if newvals != oldvals:
logger.debug("values changed for %s", mirrorurl)
mirrorurl.save(update_fields=('has_ipv4', 'has_ipv6'))
except socket.error, e:
logger.warn("error resolving %s: %s", mirrorurl.hostname, e)
# vim: set ts=4 sw=4 et:
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