99 lines
3.2 KiB
Python
99 lines
3.2 KiB
Python
# Copyright 2018 Red Hat, Inc.
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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
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# 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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import json
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import logging
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from openstack.baremetal import configdrive
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from metalsmith import _utils
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LOG = logging.getLogger(__name__)
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class InstanceConfig(object):
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"""Configuration of the target instance.
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The information attached to this object will be passed via a configdrive
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to the instance's first boot script (e.g. cloud-init).
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:ivar ssh_keys: List of SSH public keys.
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:ivar users: Users to add on first boot.
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"""
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def __init__(self, ssh_keys=None):
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self.ssh_keys = ssh_keys or []
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self.users = []
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def add_user(self, name, admin=True, password_hash=None, sudo=False,
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**kwargs):
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"""Add a user to be created on first boot.
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:param name: user name.
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:param admin: whether to add the user to the admin group (wheel).
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:param password_hash: user password hash, if password authentication
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is expected.
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:param sudo: whether to allow the user sudo without password.
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:param kwargs: other arguments to pass.
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"""
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kwargs['name'] = name
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if admin:
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kwargs.setdefault('groups', []).append('wheel')
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if password_hash:
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kwargs['passwd'] = password_hash
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if sudo:
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kwargs['sudo'] = 'ALL=(ALL) NOPASSWD:ALL'
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if self.ssh_keys:
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kwargs.setdefault('ssh_authorized_keys', self.ssh_keys)
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self.users.append(kwargs)
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def build_configdrive(self, node):
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"""Make the config drive.
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:param node: `Node` object.
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:return: configdrive contents as a base64-encoded string.
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"""
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hostname = node.instance_info.get(_utils.HOSTNAME_FIELD)
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# NOTE(dtantsur): CirrOS does not understand lists
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if isinstance(self.ssh_keys, list):
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ssh_keys = {str(i): v for i, v in enumerate(self.ssh_keys)}
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else:
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ssh_keys = self.ssh_keys
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metadata = {'public_keys': ssh_keys,
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'uuid': node.id,
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'name': node.name,
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'hostname': hostname,
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'launch_index': 0,
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'availability_zone': '',
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'files': [],
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'meta': {}}
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user_data = {}
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user_data_bin = None
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if self.users:
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user_data['users'] = self.users
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if user_data:
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user_data_bin = ("#cloud-config\n" + json.dumps(user_data)).encode(
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'utf-8')
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LOG.debug('Generating configdrive tree for node %(node)s with '
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'metadata %(meta)s', {'node': _utils.log_res(node),
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'meta': metadata})
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return configdrive.build(metadata, user_data_bin)
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