#!/usr/bin/python
#
# Copyright (c) 2009--2012 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public License,
# version 2 (GPLv2). There is NO WARRANTY for this software, express or
# implied, including the implied warranties of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#
import getpass
import os
import re
import socket
import sys
import urlparse
import xmlrpclib
from rhn import rpclib
from optparse import Option, OptionParser
import gettext
t = gettext.translation('rhn-client-tools', fallback=True)
_ = t.ugettext
_LIBPATH = "/usr/share/rhn"
# add to the path if need be
if _LIBPATH not in sys.path:
sys.path.append(_LIBPATH)
from up2date_client.rhnChannel import subscribeChannels, unsubscribeChannels, getChannels
from up2date_client import up2dateAuth, config, up2dateErrors, rhncli, rhnserver
def systemExit(code, msgs=None):
"Exit with a code and optional message(s). Saved a few lines of code."
if msgs is not None:
if type(msgs) not in [type([]), type(())]:
msgs = (msgs, )
for msg in msgs:
if hasattr(msg, 'value'):
msg = msg.value
sys.stderr.write(rhncli.utf8_encode(msg) + "\n")
sys.exit(code)
# quick check to see if you are a super-user.
if os.getuid() != 0:
systemExit(8, _('ERROR: must be root to execute\n'))
def processCommandline():
"process the commandline, setting the OPTIONS object"
optionsTable = [
Option('-c', '--channel', action='append',
help=_('name of channel you want to (un)subscribe')),
Option('-a', '--add', action='store_true',
help=_('subscribe to channel')),
Option('-r', '--remove', action='store_true',
help=_('unsubscribe from channel')),
Option('-l', '--list', action='store_true',
help=_('list channels')),
Option('-b', '--base', action='store_true',
help=_('show base channel of a system')),
Option('-L', '--available-channels', action='store_true',
help=_('list all available child channels')),
Option('-v', '--verbose', action='store_true',
help=_('verbose output')),
Option('-u', '--user', action='store',
help=_('your user name')),
Option('-p', '--password', action='store',
help=_('your password')),
]
optionParser = OptionParser(option_list=optionsTable)
global OPTIONS
OPTIONS, args = optionParser.parse_args()
# we take no extra commandline arguments that are not linked to an option
if args:
systemExit(1, _("ERROR: these arguments make no sense in this context (try --help)"))
if not OPTIONS.user and not OPTIONS.list and not OPTIONS.base:
tty = open("/dev/tty", "r+")
tty.write('Username: ')
tty.close()
OPTIONS.user = sys.stdin.readline().rstrip('\n')
if not OPTIONS.password and not OPTIONS.list and not OPTIONS.base:
OPTIONS.password = getpass.getpass()
def get_available_channels(user, password):
""" return list of available child channels """
cfg = config.initUp2dateConfig()
modified_servers = []
servers = config.getServerlURL()
for server in servers:
scheme, netloc, path, query, fragment = urlparse.urlsplit(server)
modified_servers.append(urlparse.urlunsplit((scheme, netloc, '/rpc/api', query, fragment)))
client = rhnserver.RhnServer(serverOverride=modified_servers)
try:
key = client.auth.login(user, password)
except xmlrpclib.Fault, exc:
systemExit(1, "Error during client authentication: %s" % exc.faultString)
system_id = re.sub('^ID-', '', rpclib.xmlrpclib.loads(up2dateAuth.getSystemId())[0][0]['system_id'])
result = []
try:
channels = client.system.listChildChannels(key, int(system_id))
except xmlrpclib.Fault, exc:
systemExit(1, "Error when listing child channels: %s" % exc.faultString)
for channel in channels:
if 'LABEL' in channel:
result.extend([channel['LABEL']])
else:
result.extend([channel['label']])
return result
def need_channel(channel):
""" die gracefuly if channel is empty """
if not channel:
systemExit(4, _("ERROR: you have to specify at least one channel"))
def main():
if OPTIONS.add:
need_channel(OPTIONS.channel)
result = subscribeChannels(OPTIONS.channel, OPTIONS.user, OPTIONS.password)
if OPTIONS.verbose:
if result == 0:
print _("Channel(s): %s successfully added") % ', '.join(OPTIONS.channel)
else:
sys.stderr.write(rhncli.utf8_encode(_("Error during adding channel(s) %s") % ', '.join(OPTIONS.channel)))
if result != 0:
sys.exit(result)
elif OPTIONS.remove:
need_channel(OPTIONS.channel)
result = unsubscribeChannels(OPTIONS.channel, OPTIONS.user, OPTIONS.password)
if OPTIONS.verbose:
if result == 0:
print _("Channel(s): %s successfully removed") % ', '.join(OPTIONS.channel)
else:
sys.stderr.write(rhncli.utf8_encode(_("Error during removal of channel(s) %s") % ', '.join(OPTIONS.channel)))
if result != 0:
sys.exit(result)
elif OPTIONS.list:
try:
channels = map(lambda x: x['label'], getChannels().channels())
except up2dateErrors.NoChannelsError:
systemExit(1, _('This system is not associated with any channel.'))
except up2dateErrors.NoSystemIdError:
systemExit(1, _('Unable to locate SystemId file. Is this system registered?'))
channels.sort()
print '\n'.join(channels)
elif OPTIONS.base:
try:
for channel in getChannels().channels():
# Base channel has no parent
if not channel['parent_channel']:
print channel['label']
except up2dateErrors.NoChannelsError:
systemExit(1, 'This system is not associated with any channel.')
except up2dateErrors.NoSystemIdError:
systemExit(1, 'Unable to locate SystemId file. Is this system registered?')
elif OPTIONS.available_channels:
channels = get_available_channels(OPTIONS.user, OPTIONS.password)
channels.sort()
print '\n'.join(channels)
else:
systemExit(3, _("ERROR: you may want to specify --add, --remove or --list"))
try:
sys.excepthook = rhncli.exceptionHandler
processCommandline()
main()
except KeyboardInterrupt:
systemExit(0, "\n" + _("User interrupted process."))
except up2dateErrors.RhnServerException, e:
# do not print traceback, it will scare people
systemExit(1, e)
Mini Shell