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397 lines
14 KiB
Python
397 lines
14 KiB
Python
#!/usr/bin/python
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DOCUMENTATION = '''
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---
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module: redhat_subscription
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short_description: Manage Red Hat Network registration and subscriptions using the C(subscription-manager) command
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description:
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- Manage registration and subscription to the Red Hat Network entitlement platform.
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version_added: "1.2"
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author: James Laska
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notes:
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- In order to register a system, subscription-manager requires either a username and password, or an activationkey.
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requirements:
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- subscription-manager
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options:
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state:
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description:
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- whether to register and subscribe (C(present)), or unregister (C(absent)) a system
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required: false
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choices: [ "present", "absent" ]
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default: "present"
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username:
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description:
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- Red Hat Network username
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required: False
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default: null
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password:
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description:
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- Red Hat Network password
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required: False
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default: null
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server_hostname:
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description:
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- Specify an alternative Red Hat Network server
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required: False
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default: Current value from C(/etc/rhsm/rhsm.conf) is the default
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server_insecure:
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description:
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- Allow traffic over insecure http
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required: False
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default: Current value from C(/etc/rhsm/rhsm.conf) is the default
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rhsm_baseurl:
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description:
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- Specify CDN baseurl
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required: False
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default: Current value from C(/etc/rhsm/rhsm.conf) is the default
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autosubscribe:
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description:
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- Upon successful registration, auto-consume available subscriptions
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required: False
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default: False
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activationkey:
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description:
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- supply an activation key for use with registration
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required: False
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default: null
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pool:
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description:
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- Specify a subscription pool name to consume. Regular expressions accepted.
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required: False
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default: '^$'
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'''
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EXAMPLES = '''
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# Register as user (joe_user) with password (somepass) and auto-subscribe to available content.
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- redhat_subscription: action=register username=joe_user password=somepass autosubscribe=true
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# Register with activationkey (1-222333444) and consume subscriptions matching
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# the names (Red hat Enterprise Server) and (Red Hat Virtualization)
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- redhat_subscription: action=register
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activationkey=1-222333444
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pool='^(Red Hat Enterprise Server|Red Hat Virtualization)$'
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'''
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import os
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import re
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import types
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import ConfigParser
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import shlex
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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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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 availaible 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 a 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='^$'):
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'''
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Return a list of RhsmPools whose name matches the provided regular expression
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'''
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r = re.compile(regexp)
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for product in self.products:
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if r.search(product._name):
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yield product
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def main():
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# Load RHSM configuration from file
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rhn = Rhsm(AnsibleModule())
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module = AnsibleModule(
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argument_spec = dict(
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state = dict(default='present', choices=['present', 'absent']),
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username = dict(default=None, required=False),
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password = dict(default=None, required=False),
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server_hostname = dict(default=rhn.config.get_option('server.hostname'), required=False),
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server_insecure = dict(default=rhn.config.get_option('server.insecure'), required=False),
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rhsm_baseurl = dict(default=rhn.config.get_option('rhsm.baseurl'), required=False),
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autosubscribe = dict(default=False, type='bool'),
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activationkey = dict(default=None, required=False),
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pool = dict(default='^$', required=False, type='str'),
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)
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)
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rhn.module = module
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state = module.params['state']
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username = module.params['username']
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password = module.params['password']
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server_hostname = module.params['server_hostname']
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server_insecure = module.params['server_insecure']
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rhsm_baseurl = module.params['rhsm_baseurl']
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autosubscribe = module.params['autosubscribe'] == True
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activationkey = module.params['activationkey']
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pool = module.params['pool']
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# Ensure system is registered
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if state == 'present':
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# Check for missing parameters ...
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if not (activationkey or username or password):
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module.fail_json(msg="Missing arguments, must supply an activationkey (%s) or username (%s) and password (%s)" % (activationkey, username, password))
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if not activationkey and not (username and password):
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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 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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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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module.exit_json(changed=True, msg="System successfully registered to '%s'." % server_hostname)
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# Ensure system is *not* registered
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if state == 'absent':
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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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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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module.exit_json(changed=True, msg="System successfully unregistered from %s." % server_hostname)
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# import module snippets
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from ansible.module_utils.basic import *
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main()
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