127 lines
4.5 KiB
Python
127 lines
4.5 KiB
Python
# Copyright 2017,2018 IBM Corp.
|
|
#
|
|
# 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.
|
|
|
|
import os
|
|
from urllib import parse as urlparse
|
|
|
|
from oslo_log import log as logging
|
|
import six
|
|
from zvmconnector import connector
|
|
|
|
from oslo_utils import fileutils
|
|
|
|
from nova.api.metadata import base as instance_metadata
|
|
from nova import conf
|
|
from nova import exception
|
|
from nova.virt import configdrive
|
|
|
|
|
|
CONF = conf.CONF
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class ConnectorClient(object):
|
|
"""Request handler to zVM cloud connector"""
|
|
|
|
def __init__(self, zcc_url, ca_file=None):
|
|
_url = urlparse.urlparse(zcc_url)
|
|
|
|
_ssl_enabled = False
|
|
|
|
if _url.scheme == 'https':
|
|
_ssl_enabled = True
|
|
elif ca_file:
|
|
LOG.warning("url is %(url)s which is not https "
|
|
"but ca_file is configured to %(ca_file)s",
|
|
{'url': zcc_url, 'ca_file': ca_file})
|
|
|
|
if _ssl_enabled and ca_file:
|
|
self._conn = connector.ZVMConnector(_url.hostname, _url.port,
|
|
ssl_enabled=_ssl_enabled,
|
|
verify=ca_file)
|
|
else:
|
|
self._conn = connector.ZVMConnector(_url.hostname, _url.port,
|
|
ssl_enabled=_ssl_enabled,
|
|
verify=False)
|
|
|
|
def call(self, func_name, *args, **kwargs):
|
|
results = self._conn.send_request(func_name, *args, **kwargs)
|
|
|
|
if results['overallRC'] != 0:
|
|
LOG.error("zVM Cloud Connector request %(api)s failed with "
|
|
"parameters: %(args)s %(kwargs)s . Results: %(results)s",
|
|
{'api': func_name, 'args': six.text_type(args),
|
|
'kwargs': six.text_type(kwargs),
|
|
'results': six.text_type(results)})
|
|
raise exception.ZVMConnectorError(results=results)
|
|
|
|
return results['output']
|
|
|
|
|
|
def _get_instance_path(instance_uuid):
|
|
instance_folder = os.path.join(os.path.normpath(CONF.instances_path),
|
|
instance_uuid)
|
|
fileutils.ensure_tree(instance_folder)
|
|
return instance_folder
|
|
|
|
|
|
def _create_config_drive(context, instance_path, instance,
|
|
injected_files, network_info, admin_password):
|
|
if CONF.config_drive_format != 'iso9660':
|
|
raise exception.ConfigDriveUnsupportedFormat(
|
|
format=CONF.config_drive_format)
|
|
|
|
LOG.debug('Using config drive', instance=instance)
|
|
|
|
extra_md = {}
|
|
if admin_password:
|
|
extra_md['admin_pass'] = admin_password
|
|
|
|
inst_md = instance_metadata.InstanceMetadata(instance,
|
|
content=injected_files,
|
|
extra_md=extra_md,
|
|
network_info=network_info)
|
|
|
|
configdrive_iso = os.path.join(instance_path, 'cfgdrive.iso')
|
|
LOG.debug('Creating config drive at %s', configdrive_iso,
|
|
instance=instance)
|
|
with configdrive.ConfigDriveBuilder(instance_md=inst_md) as cdb:
|
|
cdb.make_drive(configdrive_iso)
|
|
|
|
return configdrive_iso
|
|
|
|
|
|
# Prepare and create configdrive for instance
|
|
def generate_configdrive(context, instance, injected_files,
|
|
network_info, admin_password):
|
|
# Create network configuration files
|
|
LOG.debug('Creating config drive configuration files '
|
|
'for instance: %s', instance.name, instance=instance)
|
|
|
|
instance_path = _get_instance_path(instance.uuid)
|
|
|
|
transportfiles = None
|
|
if configdrive.required_by(instance):
|
|
transportfiles = _create_config_drive(context, instance_path,
|
|
instance,
|
|
injected_files,
|
|
network_info,
|
|
admin_password)
|
|
return transportfiles
|
|
|
|
|
|
def clean_up_file(filepath):
|
|
if os.path.exists(filepath):
|
|
os.remove(filepath)
|