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c92ec68fa3
The Rhsm object requires an AnsibleModule but it isn't created with an argument_spec and fails. Since the rhn.module is set directly after, setting None for the required argument of Rhsm fixes the module.
396 lines
14 KiB
Python
396 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='^$'):
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'''
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Return a list of RhsmPools whose name matches the provided regular expression
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'''
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r = re.compile(regexp)
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for product in self.products:
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if r.search(product._name):
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yield product
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def main():
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# Load RHSM configuration from file
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rhn = Rhsm(None)
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module = AnsibleModule(
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argument_spec = dict(
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state = dict(default='present', choices=['present', 'absent']),
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username = dict(default=None, required=False),
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password = dict(default=None, required=False),
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server_hostname = dict(default=rhn.config.get_option('server.hostname'), required=False),
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server_insecure = dict(default=rhn.config.get_option('server.insecure'), required=False),
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rhsm_baseurl = dict(default=rhn.config.get_option('rhsm.baseurl'), required=False),
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autosubscribe = dict(default=False, type='bool'),
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activationkey = dict(default=None, required=False),
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pool = dict(default='^$', 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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