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community.general/plugins/module_utils/redhat.py
Pino Toscano 78c42def04
Deprecate module_utils.redhat (#6663)
This module contains bits that are either unused (the Rhsm* classes), or
used only by deprecated modules (the RegistrationBase class).
Considering that the bits here have not seen updates in years, it is
unlikely that anyone is actually using them as "library".

Hence, deprecate the whole module altogether:
- the Rhsm* classes, as not used by anything, are slated for removal in
  9.0.0
- the RegistrationBase class is slated for removal in 10.0.0, together
  with its only user (i.e. the rhn_register module)
2023-06-10 13:26:14 +02:00

316 lines
10 KiB
Python

# -*- coding: utf-8 -*-
# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is BSD licensed.
# Modules you write using this snippet, which is embedded dynamically by Ansible
# still belong to the author of the module, and may assign their own license
# to the complete work.
#
# Copyright (c), James Laska
#
# Simplified BSD License (see LICENSES/BSD-2-Clause.txt or https://opensource.org/licenses/BSD-2-Clause)
# SPDX-License-Identifier: BSD-2-Clause
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import os
import re
import shutil
import tempfile
import types
from ansible.module_utils.six.moves import configparser
class RegistrationBase(object):
"""
DEPRECATION WARNING
This class is deprecated and will be removed in community.general 10.0.0.
There is no replacement for it; please contact the community.general
maintainers in case you are using it.
"""
def __init__(self, module, username=None, password=None):
self.module = module
self.username = username
self.password = password
def configure(self):
raise NotImplementedError("Must be implemented by a sub-class")
def enable(self):
# Remove any existing redhat.repo
redhat_repo = '/etc/yum.repos.d/redhat.repo'
if os.path.isfile(redhat_repo):
os.unlink(redhat_repo)
def register(self):
raise NotImplementedError("Must be implemented by a sub-class")
def unregister(self):
raise NotImplementedError("Must be implemented by a sub-class")
def unsubscribe(self):
raise NotImplementedError("Must be implemented by a sub-class")
def update_plugin_conf(self, plugin, enabled=True):
plugin_conf = '/etc/yum/pluginconf.d/%s.conf' % plugin
if os.path.isfile(plugin_conf):
tmpfd, tmpfile = tempfile.mkstemp()
shutil.copy2(plugin_conf, tmpfile)
cfg = configparser.ConfigParser()
cfg.read([tmpfile])
if enabled:
cfg.set('main', 'enabled', 1)
else:
cfg.set('main', 'enabled', 0)
fd = open(tmpfile, 'w+')
cfg.write(fd)
fd.close()
self.module.atomic_move(tmpfile, plugin_conf)
def subscribe(self, **kwargs):
raise NotImplementedError("Must be implemented by a sub-class")
class Rhsm(RegistrationBase):
"""
DEPRECATION WARNING
This class is deprecated and will be removed in community.general 9.0.0.
There is no replacement for it; please contact the community.general
maintainers in case you are using it.
"""
def __init__(self, module, username=None, password=None):
RegistrationBase.__init__(self, module, username, password)
self.config = self._read_config()
self.module = module
self.module.deprecate(
'The Rhsm class is deprecated with no replacement.',
version='9.0.0',
collection_name='community.general',
)
def _read_config(self, rhsm_conf='/etc/rhsm/rhsm.conf'):
'''
Load RHSM configuration from /etc/rhsm/rhsm.conf.
Returns:
* ConfigParser object
'''
# Read RHSM defaults ...
cp = configparser.ConfigParser()
cp.read(rhsm_conf)
# Add support for specifying a default value w/o having to standup some configuration
# Yeah, I know this should be subclassed ... but, oh well
def get_option_default(self, key, default=''):
sect, opt = key.split('.', 1)
if self.has_section(sect) and self.has_option(sect, opt):
return self.get(sect, opt)
else:
return default
cp.get_option = types.MethodType(get_option_default, cp, configparser.ConfigParser)
return cp
def enable(self):
'''
Enable the system to receive updates from subscription-manager.
This involves updating affected yum plugins and removing any
conflicting yum repositories.
'''
RegistrationBase.enable(self)
self.update_plugin_conf('rhnplugin', False)
self.update_plugin_conf('subscription-manager', True)
def configure(self, **kwargs):
'''
Configure the system as directed for registration with RHN
Raises:
* Exception - if error occurs while running command
'''
args = ['subscription-manager', 'config']
# Pass supplied **kwargs as parameters to subscription-manager. Ignore
# non-configuration parameters and replace '_' with '.'. For example,
# 'server_hostname' becomes '--system.hostname'.
for k, v in kwargs.items():
if re.search(r'^(system|rhsm)_', k):
args.append('--%s=%s' % (k.replace('_', '.'), v))
self.module.run_command(args, check_rc=True)
@property
def is_registered(self):
'''
Determine whether the current system
Returns:
* Boolean - whether the current system is currently registered to
RHN.
'''
args = ['subscription-manager', 'identity']
rc, stdout, stderr = self.module.run_command(args, check_rc=False)
if rc == 0:
return True
else:
return False
def register(self, username, password, autosubscribe, activationkey):
'''
Register the current system to the provided RHN server
Raises:
* Exception - if error occurs while running command
'''
args = ['subscription-manager', 'register']
# Generate command arguments
if activationkey:
args.append('--activationkey "%s"' % activationkey)
else:
if autosubscribe:
args.append('--autosubscribe')
if username:
args.extend(['--username', username])
if password:
args.extend(['--password', password])
# Do the needful...
rc, stderr, stdout = self.module.run_command(args, check_rc=True)
def unsubscribe(self):
'''
Unsubscribe a system from all subscribed channels
Raises:
* Exception - if error occurs while running command
'''
args = ['subscription-manager', 'unsubscribe', '--all']
rc, stderr, stdout = self.module.run_command(args, check_rc=True)
def unregister(self):
'''
Unregister a currently registered system
Raises:
* Exception - if error occurs while running command
'''
args = ['subscription-manager', 'unregister']
rc, stderr, stdout = self.module.run_command(args, check_rc=True)
self.update_plugin_conf('rhnplugin', False)
self.update_plugin_conf('subscription-manager', False)
def subscribe(self, regexp):
'''
Subscribe current system to available pools matching the specified
regular expression
Raises:
* Exception - if error occurs while running command
'''
# Available pools ready for subscription
available_pools = RhsmPools(self.module)
for pool in available_pools.filter(regexp):
pool.subscribe()
class RhsmPool(object):
"""
Convenience class for housing subscription information
DEPRECATION WARNING
This class is deprecated and will be removed in community.general 9.0.0.
There is no replacement for it; please contact the community.general
maintainers in case you are using it.
"""
def __init__(self, module, **kwargs):
self.module = module
for k, v in kwargs.items():
setattr(self, k, v)
self.module.deprecate(
'The RhsmPool class is deprecated with no replacement.',
version='9.0.0',
collection_name='community.general',
)
def __str__(self):
return str(self.__getattribute__('_name'))
def subscribe(self):
args = "subscription-manager subscribe --pool %s" % self.PoolId
rc, stdout, stderr = self.module.run_command(args, check_rc=True)
if rc == 0:
return True
else:
return False
class RhsmPools(object):
"""
This class is used for manipulating pools subscriptions with RHSM
DEPRECATION WARNING
This class is deprecated and will be removed in community.general 9.0.0.
There is no replacement for it; please contact the community.general
maintainers in case you are using it.
"""
def __init__(self, module):
self.module = module
self.products = self._load_product_list()
self.module.deprecate(
'The RhsmPools class is deprecated with no replacement.',
version='9.0.0',
collection_name='community.general',
)
def __iter__(self):
return self.products.__iter__()
def _load_product_list(self):
"""
Loads list of all available pools for system in data structure
"""
args = "subscription-manager list --available"
rc, stdout, stderr = self.module.run_command(args, check_rc=True)
products = []
for line in stdout.split('\n'):
# Remove leading+trailing whitespace
line = line.strip()
# An empty line implies the end of an output group
if len(line) == 0:
continue
# If a colon ':' is found, parse
elif ':' in line:
(key, value) = line.split(':', 1)
key = key.strip().replace(" ", "") # To unify
value = value.strip()
if key in ['ProductName', 'SubscriptionName']:
# Remember the name for later processing
products.append(RhsmPool(self.module, _name=value, key=value))
elif products:
# Associate value with most recently recorded product
products[-1].__setattr__(key, value)
# FIXME - log some warning?
# else:
# warnings.warn("Unhandled subscription key/value: %s/%s" % (key,value))
return products
def filter(self, regexp='^$'):
'''
Return a list of RhsmPools whose name matches the provided regular expression
'''
r = re.compile(regexp)
for product in self.products:
if r.search(product._name):
yield product