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# 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.
"""Module to clean installers
"""
import chef
import logging
import xmlrpclib
from compass.actions import util
class CobblerInstaller(object):
"""cobbler installer"""
CREDENTIALS = "credentials"
USERNAME = 'username'
PASSWORD = 'password'
INSTALLER_URL = "cobbler_url"
def __init__(self, settings):
username = settings[self.CREDENTIALS][self.USERNAME]
password = settings[self.CREDENTIALS][self.PASSWORD]
cobbler_url = settings[self.INSTALLER_URL]
try:
self.remote = xmlrpclib.Server(cobbler_url)
self.token = self.remote.login(username, password)
logging.info('cobbler %s client created', cobbler_url)
except Exception as error:
logging.error(
'failed to login %s with (%s, %s)',
cobbler_url, username, password
)
logging.exception(error)
def clean(self):
systems = self.remote.get_systems()
for system in systems:
system_name = system['name']
try:
self.remote.remove_system(system_name, self.token)
logging.info('system %s is removed', system_name)
except Exception as error:
logging.error(
'failed to remove system %s', system_name
)
logging.exception(error)
class AnsibleInstaller(object):
def __init__(self, settings):
return
def clean(self):
pass
class ChefInstaller(object):
DATABAGS = "databags"
CHEFSERVER_URL = "chef_url"
CHEFSERVER_DNS = "chef_server_dns"
CHEFSERVER_IP = "chef_server_ip"
KEY_DIR = "key_dir"
CLIENT = "client_name"
def __init__(self, settings):
installer_url = settings.get(self.CHEFSERVER_URL, None)
key_dir = settings.get(self.KEY_DIR, None)
client = settings.get(self.CLIENT, None)
try:
if installer_url and key_dir and client:
self.api = chef.ChefAPI(installer_url, key_dir, client)
else:
self.api = chef.autoconfigure()
logging.info(
'chef client created %s(%s, %s)',
installer_url, key_dir, client
)
except Exception as error:
logging.error(
'failed to create chef client %s(%s, %s)',
installer_url, key_dir, client
)
logging.exception(error)
def clean(self):
try:
for node_name in chef.Node.list(api=self.api):
node = chef.Node(node_name, api=self.api)
node.delete()
logging.info('delete node %s', node_name)
except Exception as error:
logging.error('failed to delete some nodes')
logging.exception(error)
try:
for client_name in chef.Client.list(api=self.api):
if client_name in ['chef-webui', 'chef-validator']:
continue
client = chef.Client(client_name, api=self.api)
client.delete()
logging.info('delete client %s', client_name)
except Exception as error:
logging.error('failed to delete some clients')
logging.exception(error)
try:
for env_name in chef.Environment.list(api=self.api):
if env_name == '_default':
continue
env = chef.Environment(env_name, api=self.api)
env.delete()
logging.info('delete env %s', env_name)
except Exception as error:
logging.error('failed to delete some envs')
logging.exception(error)
try:
for databag_name in chef.DataBag.list(api=self.api):
databag = chef.DataBag(databag_name, api=self.api)
for item_name, item in databag.items():
item.delete()
logging.info(
'delete item %s from databag %s',
item_name, databag_name
)
except Exception as error:
logging.error('failed to delete some databag items')
logging.exception(error)
OS_INSTALLERS = {
'cobbler': CobblerInstaller
}
PK_INSTALLERS = {
'chef_installer': ChefInstaller,
'ansible_installer': AnsibleInstaller
}
def clean_os_installer(
os_installer_name, os_installer_settings
):
with util.lock('serialized_action', timeout=100) as lock:
if not lock:
raise Exception(
'failed to acquire lock to clean os installer'
)
if os_installer_name not in OS_INSTALLERS:
logging.error(
'%s not found in os_installers',
os_installer_name
)
os_installer = OS_INSTALLERS[os_installer_name](
os_installer_settings
)
os_installer.clean()
def clean_package_installer(
package_installer_name, package_installer_settings
):
with util.lock('serialized_action', timeout=100) as lock:
if not lock:
raise Exception(
'failed to acquire lock to clean package installer'
)
if package_installer_name not in PK_INSTALLERS:
logging.error(
'%s not found in os_installers',
package_installer_name
)
package_installer = PK_INSTALLERS[package_installer_name](
package_installer_settings
)
package_installer.clean()
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