f75ffe46db
the ConfigParser module was renamed to configparser in Python3. Use six.moves to import it so that the modules will function on Python3.
280 lines
10 KiB
Python
280 lines
10 KiB
Python
# This code is part of Ansible, but is an independent component.
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# This particular file snippet, and this file snippet only, is BSD licensed.
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# Modules you write using this snippet, which is embedded dynamically by Ansible
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# still belong to the author of the module, and may assign their own license
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# to the complete work.
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#
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# Copyright (c), James Laska
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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import re
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import types
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from ansible.module_utils.six.moves import configparser
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class RegistrationBase(object):
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def __init__(self, module, username=None, password=None):
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self.module = module
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self.username = username
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self.password = password
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def configure(self):
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raise NotImplementedError("Must be implemented by a sub-class")
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def enable(self):
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# Remove any existing redhat.repo
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redhat_repo = '/etc/yum.repos.d/redhat.repo'
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if os.path.isfile(redhat_repo):
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os.unlink(redhat_repo)
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def register(self):
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raise NotImplementedError("Must be implemented by a sub-class")
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def unregister(self):
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raise NotImplementedError("Must be implemented by a sub-class")
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def unsubscribe(self):
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raise NotImplementedError("Must be implemented by a sub-class")
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def update_plugin_conf(self, plugin, enabled=True):
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plugin_conf = '/etc/yum/pluginconf.d/%s.conf' % plugin
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if os.path.isfile(plugin_conf):
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cfg = configparser.ConfigParser()
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cfg.read([plugin_conf])
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if enabled:
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cfg.set('main', 'enabled', 1)
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else:
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cfg.set('main', 'enabled', 0)
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fd = open(plugin_conf, 'rwa+')
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cfg.write(fd)
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fd.close()
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def subscribe(self, **kwargs):
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raise NotImplementedError("Must be implemented by a sub-class")
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class Rhsm(RegistrationBase):
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def __init__(self, module, username=None, password=None):
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RegistrationBase.__init__(self, module, username, password)
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self.config = self._read_config()
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self.module = module
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def _read_config(self, rhsm_conf='/etc/rhsm/rhsm.conf'):
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'''
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Load RHSM configuration from /etc/rhsm/rhsm.conf.
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Returns:
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* ConfigParser object
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'''
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# Read RHSM defaults ...
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cp = configparser.ConfigParser()
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cp.read(rhsm_conf)
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# Add support for specifying a default value w/o having to standup some configuration
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# Yeah, I know this should be subclassed ... but, oh well
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def get_option_default(self, key, default=''):
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sect, opt = key.split('.', 1)
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if self.has_section(sect) and self.has_option(sect, opt):
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return self.get(sect, opt)
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else:
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return default
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cp.get_option = types.MethodType(get_option_default, cp, configparser.ConfigParser)
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return cp
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def enable(self):
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'''
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Enable the system to receive updates from subscription-manager.
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This involves updating affected yum plugins and removing any
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conflicting yum repositories.
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'''
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RegistrationBase.enable(self)
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self.update_plugin_conf('rhnplugin', False)
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self.update_plugin_conf('subscription-manager', True)
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def configure(self, **kwargs):
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'''
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Configure the system as directed for registration with RHN
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Raises:
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* Exception - if error occurs while running command
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'''
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args = ['subscription-manager', 'config']
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# Pass supplied **kwargs as parameters to subscription-manager. Ignore
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# non-configuration parameters and replace '_' with '.'. For example,
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# 'server_hostname' becomes '--system.hostname'.
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for k,v in kwargs.items():
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if re.search(r'^(system|rhsm)_', k):
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args.append('--%s=%s' % (k.replace('_','.'), v))
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self.module.run_command(args, check_rc=True)
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@property
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def is_registered(self):
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'''
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Determine whether the current system
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Returns:
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* Boolean - whether the current system is currently registered to
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RHN.
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'''
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# Quick version...
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if False:
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return os.path.isfile('/etc/pki/consumer/cert.pem') and \
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os.path.isfile('/etc/pki/consumer/key.pem')
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args = ['subscription-manager', 'identity']
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rc, stdout, stderr = self.module.run_command(args, check_rc=False)
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if rc == 0:
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return True
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else:
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return False
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def register(self, username, password, autosubscribe, activationkey):
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'''
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Register the current system to the provided RHN server
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Raises:
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* Exception - if error occurs while running command
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'''
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args = ['subscription-manager', 'register']
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# Generate command arguments
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if activationkey:
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args.append('--activationkey "%s"' % activationkey)
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else:
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if autosubscribe:
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args.append('--autosubscribe')
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if username:
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args.extend(['--username', username])
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if password:
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args.extend(['--password', password])
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# Do the needful...
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rc, stderr, stdout = self.module.run_command(args, check_rc=True)
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def unsubscribe(self):
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'''
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Unsubscribe a system from all subscribed channels
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Raises:
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* Exception - if error occurs while running command
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'''
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args = ['subscription-manager', 'unsubscribe', '--all']
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rc, stderr, stdout = self.module.run_command(args, check_rc=True)
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def unregister(self):
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'''
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Unregister a currently registered system
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Raises:
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* Exception - if error occurs while running command
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'''
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args = ['subscription-manager', 'unregister']
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rc, stderr, stdout = self.module.run_command(args, check_rc=True)
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def subscribe(self, regexp):
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'''
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Subscribe current system to available pools matching the specified
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regular expression
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Raises:
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* Exception - if error occurs while running command
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'''
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# Available pools ready for subscription
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available_pools = RhsmPools(self.module)
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for pool in available_pools.filter(regexp):
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pool.subscribe()
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class RhsmPool(object):
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'''
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Convenience class for housing subscription information
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'''
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def __init__(self, module, **kwargs):
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self.module = module
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for k,v in kwargs.items():
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setattr(self, k, v)
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def __str__(self):
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return str(self.__getattribute__('_name'))
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def subscribe(self):
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args = "subscription-manager subscribe --pool %s" % self.PoolId
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rc, stdout, stderr = self.module.run_command(args, check_rc=True)
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if rc == 0:
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return True
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else:
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return False
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class RhsmPools(object):
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"""
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This class is used for manipulating pools subscriptions with RHSM
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"""
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def __init__(self, module):
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self.module = module
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self.products = self._load_product_list()
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def __iter__(self):
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return self.products.__iter__()
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def _load_product_list(self):
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"""
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Loads list of all available pools for system in data structure
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"""
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args = "subscription-manager list --available"
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rc, stdout, stderr = self.module.run_command(args, check_rc=True)
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products = []
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for line in stdout.split('\n'):
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# Remove leading+trailing whitespace
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line = line.strip()
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# An empty line implies the end of an output group
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if len(line) == 0:
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continue
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# If a colon ':' is found, parse
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elif ':' in line:
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(key, value) = line.split(':',1)
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key = key.strip().replace(" ", "") # To unify
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value = value.strip()
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if key in ['ProductName', 'SubscriptionName']:
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# Remember the name for later processing
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products.append(RhsmPool(self.module, _name=value, key=value))
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elif products:
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# Associate value with most recently recorded product
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products[-1].__setattr__(key, value)
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# FIXME - log some warning?
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#else:
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# warnings.warn("Unhandled subscription key/value: %s/%s" % (key,value))
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return products
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def filter(self, regexp='^$'):
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'''
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Return a list of RhsmPools whose name matches the provided regular expression
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'''
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r = re.compile(regexp)
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for product in self.products:
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if r.search(product._name):
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yield product
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