291 lines
11 KiB
Python
291 lines
11 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""os installer cobbler plugin.
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.. moduleauthor:: Xiaodong Wang <xiaodongwang@huawei.com>
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"""
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import functools
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import logging
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import os.path
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import shutil
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import xmlrpclib
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from compass.config_management.installers import os_installer
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from compass.config_management.utils.config_translator import ConfigTranslator
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from compass.config_management.utils.config_translator import KeyTranslator
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from compass.config_management.utils import config_translator_callbacks
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from compass.utils import setting_wrapper as setting
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from compass.utils import util
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TO_HOST_TRANSLATOR = ConfigTranslator(
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mapping={
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'/networking/global/gateway': [KeyTranslator(
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translated_keys=['/gateway']
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)],
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'/networking/global/nameservers': [KeyTranslator(
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translated_keys=['/name_servers']
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)],
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'/networking/global/search_path': [KeyTranslator(
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translated_keys=['/name_servers_search']
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)],
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'/networking/global/proxy': [KeyTranslator(
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translated_keys=['/ksmeta/proxy']
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)],
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'/networking/global/ignore_proxy': [KeyTranslator(
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translated_keys=['/ksmeta/ignore_proxy']
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)],
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'/networking/global/ntp_server': [KeyTranslator(
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translated_keys=['/ksmeta/ntp_server']
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)],
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'/security/server_credentials/username': [KeyTranslator(
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translated_keys=['/ksmeta/username']
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)],
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'/security/server_credentials/password': [KeyTranslator(
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translated_keys=['/ksmeta/password'],
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translated_value=config_translator_callbacks.get_encrypted_value
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)],
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'/partition': [KeyTranslator(
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translated_keys=['/ksmeta/partition']
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)],
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'/networking/interfaces/*/mac': [KeyTranslator(
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translated_keys=[functools.partial(
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config_translator_callbacks.get_key_from_pattern,
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to_pattern='/modify_interface/macaddress-%(nic)s')],
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from_keys={'nic': '../nic'},
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override=functools.partial(
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config_translator_callbacks.override_path_has,
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should_exist='management')
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)],
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'/networking/interfaces/*/ip': [KeyTranslator(
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translated_keys=[functools.partial(
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config_translator_callbacks.get_key_from_pattern,
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to_pattern='/modify_interface/ipaddress-%(nic)s')],
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from_keys={'nic': '../nic'},
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override=functools.partial(
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config_translator_callbacks.override_path_has,
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should_exist='management')
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)],
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'/networking/interfaces/*/netmask': [KeyTranslator(
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translated_keys=[functools.partial(
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config_translator_callbacks.get_key_from_pattern,
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to_pattern='/modify_interface/netmask-%(nic)s')],
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from_keys={'nic': '../nic'},
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override=functools.partial(
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config_translator_callbacks.override_path_has,
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should_exist='management')
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)],
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'/networking/interfaces/*/dns_alias': [KeyTranslator(
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translated_keys=[functools.partial(
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config_translator_callbacks.get_key_from_pattern,
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to_pattern='/modify_interface/dnsname-%(nic)s')],
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from_keys={'nic': '../nic'},
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override=functools.partial(
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config_translator_callbacks.override_path_has,
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should_exist='management')
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)],
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'/networking/interfaces/*/nic': [KeyTranslator(
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translated_keys=[functools.partial(
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config_translator_callbacks.get_key_from_pattern,
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to_pattern='/modify_interface/static-%(nic)s')],
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from_keys={'nic': '../nic'},
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translated_value=True,
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override=functools.partial(
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config_translator_callbacks.override_path_has,
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should_exist='management'),
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), KeyTranslator(
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translated_keys=[functools.partial(
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config_translator_callbacks.get_key_from_pattern,
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to_pattern='/modify_interface/management-%(nic)s')],
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from_keys={'nic': '../nic'},
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translated_value=functools.partial(
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config_translator_callbacks.override_path_has,
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should_exist='management'),
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override=functools.partial(
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config_translator_callbacks.override_path_has,
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should_exist='management')
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), KeyTranslator(
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translated_keys=['/ksmeta/promisc_nics'],
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from_values={'promisc': '../promisc'},
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translated_value=functools.partial(
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config_translator_callbacks.add_value,
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get_value_callback=lambda config: [
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value for value in config.split(',') if value
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],
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return_value_callback=lambda values: ','.join(values)
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),
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override=True
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)],
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}
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)
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class Installer(os_installer.Installer):
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"""cobbler installer"""
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NAME = 'cobbler'
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def __init__(self, **kwargs):
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super(Installer, self).__init__()
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# the connection is created when cobbler installer is initialized.
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self.remote_ = xmlrpclib.Server(
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setting.COBBLER_INSTALLER_URL,
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allow_none=True)
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self.token_ = self.remote_.login(
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*setting.COBBLER_INSTALLER_TOKEN)
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# cobbler tries to get package related config from package installer.
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self.package_installer_ = kwargs['package_installer']
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logging.debug('%s instance created', self)
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def __repr__(self):
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return '%s[name=%s,remote=%s,token=%s' % (
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self.__class__.__name__, self.NAME,
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self.remote_, self.token_)
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def get_oses(self):
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"""get supported os versions.
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:returns: list of os version.
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.. note::
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In cobbler, we treat profile name as the indicator
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of os version. It is just a simple indicator
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and not accurate.
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"""
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profiles = self.remote_.get_profiles()
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oses = []
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for profile in profiles:
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oses.append(profile['name'])
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return oses
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def sync(self):
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"""Sync cobbler to catch up the latest update config."""
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logging.debug('sync %s', self)
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self.remote_.sync(self.token_)
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os.system('service rsyslog restart')
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def _get_modify_system(self, profile, config, **kwargs):
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"""get modified system config."""
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system_config = {
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'name': config['fullname'],
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'hostname': config['hostname'],
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'profile': profile,
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}
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translated_config = TO_HOST_TRANSLATOR.translate(config)
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util.merge_dict(system_config, translated_config)
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ksmeta = system_config.setdefault('ksmeta', {})
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package_config = {'tool': self.package_installer_.NAME}
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util.merge_dict(
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package_config,
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self.package_installer_.os_installer_config(
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config, **kwargs))
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util.merge_dict(ksmeta, package_config)
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return system_config
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def _get_profile(self, os_version, **_kwargs):
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"""get profile name."""
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profile_found = self.remote_.find_profile(
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{'name': os_version})
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return profile_found[0]
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def _get_system(self, config, create_if_not_exists=True):
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"""get system reference id."""
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sys_name = config['fullname']
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try:
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sys_id = self.remote_.get_system_handle(
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sys_name, self.token_)
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logging.debug('using existing system %s for %s',
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sys_id, sys_name)
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except Exception:
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if create_if_not_exists:
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sys_id = self.remote_.new_system(self.token_)
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logging.debug('create new system %s for %s',
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sys_id, sys_name)
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else:
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sys_id = None
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return sys_id
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def _clean_system(self, config):
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"""clean system."""
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sys_name = config['fullname']
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try:
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self.remote_.remove_system(sys_name, self.token_)
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logging.debug('system %s is removed', sys_name)
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except Exception:
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logging.debug('no system %s found to remove', sys_name)
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def _save_system(self, sys_id):
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"""save system config update."""
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self.remote_.save_system(sys_id, self.token_)
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def _update_modify_system(self, sys_id, system_config):
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"""update modify system."""
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for key, value in system_config.items():
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self.remote_.modify_system(
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sys_id, key, value, self.token_)
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def _netboot_enabled(self, sys_id):
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"""enable netboot."""
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self.remote_.modify_system(
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sys_id, 'netboot_enabled', True, self.token_)
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def clean_host_config(self, hostid, config, **kwargs):
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"""clean host config."""
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self.clean_host_installing_progress(
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hostid, config, **kwargs)
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self._clean_system(config)
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@classmethod
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def _clean_log(cls, system_name):
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"""clean log."""
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log_dir = os.path.join(
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setting.INSTALLATION_LOGDIR,
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system_name)
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shutil.rmtree(log_dir, True)
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def clean_host_installing_progress(
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self, hostid, config, **kwargs
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):
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"""clean host installing progress."""
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self._clean_log(config['fullname'])
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def reinstall_host(self, hostid, config, **kwargs):
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"""reinstall host."""
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sys_id = self._get_system(config, False)
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if sys_id:
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self.clean_host_installing_progress(
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hostid, config, **kwargs)
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self._netboot_enabled(sys_id)
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self._save_system(sys_id)
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def update_host_config(self, hostid, config, **kwargs):
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"""update host config."""
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profile = self._get_profile(**kwargs)
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sys_id = self._get_system(config)
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system_config = self._get_modify_system(
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profile, config, **kwargs)
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logging.debug('%s system config to update: %s',
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hostid, system_config)
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self._update_modify_system(sys_id, system_config)
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self._save_system(sys_id)
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os_installer.register(Installer)
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