bootstrap-vz/bootstrapvz/plugins/apt_proxy/tasks.py
2018-02-25 09:34:12 +00:00

61 lines
2.2 KiB
Python

from bootstrapvz.base import Task
from bootstrapvz.common import phases
from bootstrapvz.common.tasks import apt
import os
import urllib2
class CheckAptProxy(Task):
description = 'Checking reachability of APT proxy server'
phase = phases.validation
@classmethod
def run(cls, info):
proxy_address = info.manifest.plugins['apt_proxy']['address']
proxy_port = info.manifest.plugins['apt_proxy']['port']
proxy_url = 'http://{address}:{port}'.format(address=proxy_address, port=proxy_port)
try:
urllib2.urlopen(proxy_url, timeout=5)
except urllib2.URLError as e:
# Default response from `apt-cacher-ng`
# pylint: disable=no-member
if isinstance(e, urllib2.HTTPError) and e.code in [404, 406] and e.msg == 'Usage Information':
pass
else:
import logging
log = logging.getLogger(__name__)
log.warning('The APT proxy server couldn\'t be reached. `apt-get\' commands may fail.')
class SetAptProxy(Task):
description = 'Setting proxy for APT'
phase = phases.package_installation
successors = [apt.AptUpdate]
@classmethod
def run(cls, info):
proxy_path = os.path.join(info.root, 'etc/apt/apt.conf.d/02proxy')
proxy_username = info.manifest.plugins['apt_proxy'].get('username')
proxy_password = info.manifest.plugins['apt_proxy'].get('password')
proxy_address = info.manifest.plugins['apt_proxy']['address']
proxy_port = info.manifest.plugins['apt_proxy']['port']
if None not in (proxy_username, proxy_password):
proxy_auth = '{username}:{password}@'.format(
username=proxy_username, password=proxy_password)
else:
proxy_auth = ''
with open(proxy_path, 'w') as proxy_file:
proxy_file.write(
'Acquire::http {{ Proxy "http://{auth}{address}:{port}"; }};\n'
.format(auth=proxy_auth, address=proxy_address, port=proxy_port))
class RemoveAptProxy(Task):
description = 'Removing APT proxy configuration file'
phase = phases.system_cleaning
@classmethod
def run(cls, info):
os.remove(os.path.join(info.root, 'etc/apt/apt.conf.d/02proxy'))