xiaodongwang 36a7843d6d support testmode in chef
Change-Id: I9c43ff2aaf3ae96aa4ef826e0a0caddffffbaba2
2014-04-18 18:19:03 +00:00

291 lines
11 KiB
Python

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