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#!/usr/bin/python
#
# Copyright (C) 2014 Simo Sorce <simo@redhat.com>
#
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from ipsilon.login.common import LoginMgrsInstall
from ipsilon.providers.common import ProvidersInstall
import argparse
import cherrypy
import logging
import os
import pwd
import shutil
import socket
import sys
import time
TEMPLATES = '/usr/share/ipsilon/templates/install'
CONFDIR = '/etc/ipsilon'
HTTPDCONFD = '/etc/httpd/conf.d'
class ConfigurationError(Exception):
def __init__(self, message):
super(ConfigurationError, self).__init__(message)
self.message = message
def __str__(self):
return repr(self.message)
#Silence cherrypy logging to screen
cherrypy.log.screen = False
# Regular logging
LOGFILE = '/var/log/ipsilon-install.log'
logger = logging.getLogger()
def openlogs():
global logger # pylint: disable=W0603
if os.path.isfile(LOGFILE):
try:
created = '%s' % time.ctime(os.path.getctime(LOGFILE))
shutil.move(LOGFILE, '%s.%s' % (LOGFILE, created))
except IOError:
pass
logger = logging.getLogger()
try:
lh = logging.FileHandler(LOGFILE)
except IOError, e:
print >> sys.stderr, 'Unable to open %s (%s)' % (LOGFILE, str(e))
lh = logging.StreamHandler(sys.stderr)
formatter = logging.Formatter('[%(asctime)s] %(message)s')
lh.setFormatter(formatter)
logger.addHandler(lh)
def install(plugins, args):
logger.info('Installation initiated')
now = time.strftime("%Y%m%d%H%M%S", time.gmtime())
logger.info('Installing default config files')
ipsilon_conf = os.path.join(CONFDIR, 'ipsilon.conf')
idp_conf = os.path.join(CONFDIR, 'idp.conf')
args['httpd_conf'] = os.path.join(HTTPDCONFD, 'idp.conf')
if os.path.exists(ipsilon_conf):
shutil.move(ipsilon_conf, '%s.bakcup.%s' % (ipsilon_conf, now))
if os.path.exists(idp_conf):
shutil.move(idp_conf, '%s.backup.%s' % (idp_conf, now))
shutil.copy(os.path.join(TEMPLATES, 'ipsilon.conf'), CONFDIR)
shutil.copy(os.path.join(TEMPLATES, 'idp.conf'), CONFDIR)
if not os.path.exists(args['httpd_conf']):
os.symlink(idp_conf, args['httpd_conf'])
# Load the cherrypy config from the newly installed file so
# that db paths and all is properly set before configuring
# components
cherrypy.config.update(ipsilon_conf)
# Move pre-existing admin db away
admin_db = cherrypy.config['admin.config.db']
if os.path.exists(admin_db):
shutil.move(admin_db, '%s.backup.%s' % (admin_db, now))
logger.info('Configuring login managers')
for plugin_name in args['lm_order']:
plugin = plugins['Login Managers'][plugin_name]
plugin.configure(args)
logger.info('Configuring Authentication Providers')
for plugin_name in plugins['Auth Providers']:
plugin = plugins['Auth Providers'][plugin_name]
plugin.configure(args)
def uninstall(plugins, args):
logger.info('Uninstallation initiated')
raise Exception('Not Implemented')
def find_plugins():
plugins = {
'Login Managers': LoginMgrsInstall().plugins,
'Auth Providers': ProvidersInstall().plugins
}
return plugins
def parse_args(plugins):
parser = argparse.ArgumentParser(description='Ipsilon Install Options')
parser.add_argument('--version',
action='version', version='%(prog)s 0.1')
parser.add_argument('-o', '--login-managers-order', dest='lm_order',
help='Comma separated list of login managers')
parser.add_argument('--hostname',
help="Machine's fully qualified host name")
parser.add_argument('--system-user', default='ipsilon',
help="User account used to run the server")
parser.add_argument('--ipa', choices=['yes', 'no'], default='yes',
help='Detect and use an IPA server for authentication')
parser.add_argument('--uninstall', action='store_true',
help="Uninstall the server and all data")
lms = []
for plugin_group in plugins:
group = parser.add_argument_group(plugin_group)
for plugin_name in plugins[plugin_group]:
plugin = plugins[plugin_group][plugin_name]
if plugin.ptype == 'login':
lms.append(plugin.name)
plugin.install_args(group)
args = vars(parser.parse_args())
if not args['hostname']:
args['hostname'] = socket.getfqdn()
if len(args['hostname'].split('.')) < 2:
raise ConfigurationError('Hostname: %s is not a FQDN')
try:
pwd.getpwnam(args['system_user'])
except KeyError:
raise ConfigurationError('User: %s not found on the system')
if args['lm_order'] is None:
args['lm_order'] = []
for name in lms:
if args[name] == 'yes':
args['lm_order'].append(name)
else:
args['lm_order'] = args['lm_order'].split(',')
if len(args['lm_order']) == 0:
#force the basic pam provider if nothing else is selected
if 'pam' not in args:
parser.print_help()
sys.exit(-1)
args['lm_order'] = ['pam']
args['pam'] = 'yes'
return args
if __name__ == '__main__':
opts = []
out = 0
openlogs()
try:
fplugins = find_plugins()
opts = parse_args(fplugins)
logger.setLevel(logging.DEBUG)
logger.info('Intallation arguments:')
for k in sorted(opts.iterkeys()):
logger.info('%s: %s', k, opts[k])
if 'uninstall' in opts and opts['uninstall'] is True:
uninstall(fplugins, opts)
install(fplugins, opts)
except Exception, e: # pylint: disable=broad-except
logger.exception(e)
if 'uninstall' in opts and opts['uninstall'] is True:
print 'Uninstallation aborted.'
else:
print 'Installation aborted.'
print 'See log file %s for details' % LOGFILE
out = 1
finally:
if out == 0:
if 'uninstall' in opts and opts['uninstall'] is True:
print 'Uninstallation complete.'
else:
print 'Installation complete.'
sys.exit(out)
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