Reorganize subscription_manager module.
Also ... * When unregistering, first unsubscribe from all content
This commit is contained in:
James Laska
parent
7ccede32fa
commit
3e05292fa3
1 changed files with 189 additions and 124 deletions
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@ -100,7 +100,184 @@ def run_command(args):
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return (stdout, stderr, returncode)
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class RegistrationBase (object):
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def __init__(self, username=None, password=None):
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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, username=None, password=None):
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RegistrationBase.__init__(self, username, password)
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self.config = self._read_config()
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def _read_config(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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if os.path.isfile(rhsm_conf):
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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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run_command(args)
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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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try:
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(stdout, stderr, retcode) = run_command(args)
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except CommandException, e:
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return False
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else:
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# Display some debug output
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return True
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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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run_command(args)
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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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run_command(args)
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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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run_command(args)
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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()
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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, **kwargs):
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for k,v in kwargs.items():
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setattr(self, k, v)
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@ -160,133 +337,19 @@ class RhsmPools(object):
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yield product
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def read_rhsm_config(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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if os.path.isfile(rhsm_conf):
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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 is_registered():
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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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try:
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(stdout, stderr, retcode) = run_command(args)
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except CommandException, e:
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return False
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else:
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# Display some debug output
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return True
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def configure(**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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run_command(args)
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def register(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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run_command(args)
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def subscribe(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()
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for pool in available_pools.filter(regexp):
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pool.subscribe()
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def unregister():
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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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return run_command(args)
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def main():
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# Load RHSM configuration from file
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cp = read_rhsm_config()
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rhn = Rhsm()
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module = AnsibleModule(
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argument_spec = dict(
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state = dict(default='present', choices=['present', 'absent']),
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username = dict(default=None, required=False),
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password = dict(default=None, required=False),
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server_hostname = dict(default=cp.get_option('server.hostname'), required=False),
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server_insecure = dict(default=cp.get_option('server.insecure'), required=False),
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rhsm_baseurl = dict(default=cp.get_option('rhsm.baseurl'), required=False),
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server_hostname = dict(default=rhn.config.get_option('server.hostname'), required=False),
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server_insecure = dict(default=rhn.config.get_option('server.insecure'), required=False),
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rhsm_baseurl = dict(default=rhn.config.get_option('rhsm.baseurl'), required=False),
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autosubscribe = dict(default=False, type='bool'),
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activationkey = dict(default=None, required=False),
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pool = dict(default='^$', required=False, type='str'),
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@ -313,13 +376,14 @@ def main():
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module.fail_json(msg="Missing arguments, If registering without an activationkey, must supply username or password")
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# Register system
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if is_registered():
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if rhn.is_registered:
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module.exit_json(changed=False, msg="System already registered.")
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else:
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try:
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configure(**module.params)
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register(username, password, autosubscribe, activationkey)
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subscribe(pool)
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rhn.enable()
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rhn.configure(**module.params)
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rhn.register(username, password, autosubscribe, activationkey)
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rhn.subscribe(pool)
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except CommandException, e:
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module.fail_json(msg="Failed to register with '%s': %s" % (server_hostname, e))
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else:
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@ -327,11 +391,12 @@ def main():
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# Ensure system is *not* registered
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if state == 'absent':
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if not is_registered():
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if not rhn.is_registered:
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module.exit_json(changed=False, msg="System already unregistered.")
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else:
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try:
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unregister()
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rhn.unsubscribe()
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rhn.unregister()
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except CommandException, e:
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module.fail_json(msg="Failed to unregister: %s" % e)
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else:
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