885 lines
28 KiB
Python
885 lines
28 KiB
Python
# Copyright 2010 Jacob Kaplan-Moss
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# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Server interface.
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"""
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import urllib
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import six
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from novaclient import base
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from novaclient import crypto
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from novaclient.v1_1 import base as local_base
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REBOOT_SOFT, REBOOT_HARD = 'SOFT', 'HARD'
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class Server(base.Resource):
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HUMAN_ID = True
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def __repr__(self):
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return "<Server: %s>" % self.name
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def delete(self):
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"""
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Delete (i.e. shut down and delete the image) this server.
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"""
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self.manager.delete(self)
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def update(self, name=None):
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"""
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Update the name or the password for this server.
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:param name: Update the server's name.
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:param password: Update the root password.
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"""
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self.manager.update(self, name=name)
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def get_console_output(self, length=None):
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"""
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Get text console log output from Server.
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:param length: The number of lines you would like to retrieve (as int)
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"""
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return self.manager.get_console_output(self, length)
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def get_vnc_console(self, console_type):
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"""
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Get vnc console for a Server.
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:param console_type: Type of console ('novnc' or 'xvpvnc')
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"""
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return self.manager.get_vnc_console(self, console_type)
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def get_spice_console(self, console_type):
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"""
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Get spice console for a Server.
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:param console_type: Type of console ('spice-html5')
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"""
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return self.manager.get_spice_console(self, console_type)
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def get_password(self, private_key):
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"""
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Get password for a Server.
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:param private_key: Path to private key file for decryption
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"""
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return self.manager.get_password(self, private_key)
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def clear_password(self):
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"""
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Get password for a Server.
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"""
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return self.manager.clear_password(self)
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def add_fixed_ip(self, network_id):
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"""
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Add an IP address on a network.
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:param network_id: The ID of the network the IP should be on.
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"""
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self.manager.add_fixed_ip(self, network_id)
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def add_floating_ip(self, address, fixed_address=None):
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"""
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Add floating IP to an instance
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:param address: The ip address or FloatingIP to add to the instance
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:param fixed_address: The fixedIP address the FloatingIP is to be
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associated with (optional)
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"""
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self.manager.add_floating_ip(self, address, fixed_address)
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def remove_floating_ip(self, address):
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"""
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Remove floating IP from an instance
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:param address: The ip address or FloatingIP to remove
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"""
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self.manager.remove_floating_ip(self, address)
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def stop(self):
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"""
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Stop -- Stop the running server.
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"""
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self.manager.stop(self)
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def start(self):
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"""
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Start -- Start the paused server.
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"""
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self.manager.start(self)
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def pause(self):
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"""
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Pause -- Pause the running server.
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"""
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self.manager.pause(self)
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def unpause(self):
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"""
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Unpause -- Unpause the paused server.
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"""
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self.manager.unpause(self)
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def lock(self):
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"""
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Lock -- Lock the instance from certain operations.
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"""
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self.manager.lock(self)
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def unlock(self):
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"""
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Unlock -- Remove instance lock.
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"""
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self.manager.unlock(self)
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def suspend(self):
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"""
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Suspend -- Suspend the running server.
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"""
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self.manager.suspend(self)
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def resume(self):
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"""
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Resume -- Resume the suspended server.
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"""
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self.manager.resume(self)
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def rescue(self):
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"""
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Rescue -- Rescue the problematic server.
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"""
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return self.manager.rescue(self)
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def unrescue(self):
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"""
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Unrescue -- Unrescue the rescued server.
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"""
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self.manager.unrescue(self)
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def diagnostics(self):
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"""Diagnostics -- Retrieve server diagnostics."""
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return self.manager.diagnostics(self)
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def migrate(self):
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"""
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Migrate a server to a new host.
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"""
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self.manager.migrate(self)
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def remove_fixed_ip(self, address):
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"""
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Remove an IP address.
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:param address: The IP address to remove.
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"""
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self.manager.remove_fixed_ip(self, address)
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def change_password(self, password):
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"""
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Update the password for a server.
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"""
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self.manager.change_password(self, password)
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def reboot(self, reboot_type=REBOOT_SOFT):
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"""
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Reboot the server.
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:param reboot_type: either :data:`REBOOT_SOFT` for a software-level
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reboot, or `REBOOT_HARD` for a virtual power cycle hard reboot.
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"""
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self.manager.reboot(self, reboot_type)
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def rebuild(self, image, password=None, **kwargs):
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"""
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Rebuild -- shut down and then re-image -- this server.
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:param image: the :class:`Image` (or its ID) to re-image with.
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:param password: string to set as password on the rebuilt server.
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"""
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return self.manager.rebuild(self, image, password=password, **kwargs)
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def resize(self, flavor, **kwargs):
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"""
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Resize the server's resources.
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:param flavor: the :class:`Flavor` (or its ID) to resize to.
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Until a resize event is confirmed with :meth:`confirm_resize`, the old
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server will be kept around and you'll be able to roll back to the old
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flavor quickly with :meth:`revert_resize`. All resizes are
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automatically confirmed after 24 hours.
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"""
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self.manager.resize(self, flavor, **kwargs)
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def create_image(self, image_name, metadata=None):
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"""
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Create an image based on this server.
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:param image_name: The name to assign the newly create image.
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:param metadata: Metadata to assign to the image.
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"""
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return self.manager.create_image(self, image_name, metadata)
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def backup(self, backup_name, backup_type, rotation):
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"""
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Backup a server instance.
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:param backup_name: Name of the backup image
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:param backup_type: The backup type, like 'daily' or 'weekly'
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:param rotation: Int parameter representing how many backups to
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keep around.
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"""
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self.manager.backup(self, backup_name, backup_type, rotation)
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def confirm_resize(self):
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"""
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Confirm that the resize worked, thus removing the original server.
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"""
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self.manager.confirm_resize(self)
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def revert_resize(self):
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"""
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Revert a previous resize, switching back to the old server.
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"""
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self.manager.revert_resize(self)
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@property
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def networks(self):
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"""
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Generate a simplified list of addresses
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"""
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networks = {}
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try:
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for network_label, address_list in self.addresses.items():
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networks[network_label] = [a['addr'] for a in address_list]
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return networks
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except Exception:
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return {}
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def live_migrate(self, host=None,
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block_migration=False,
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disk_over_commit=False):
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"""
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Migrates a running instance to a new machine.
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"""
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self.manager.live_migrate(self, host,
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block_migration,
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disk_over_commit)
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def reset_state(self, state='error'):
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"""
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Reset the state of an instance to active or error.
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"""
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self.manager.reset_state(self, state)
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def reset_network(self):
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"""
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Reset network of an instance.
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"""
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self.manager.reset_network(self)
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def add_security_group(self, security_group):
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"""
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Add a security group to an instance.
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"""
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self.manager.add_security_group(self, security_group)
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def remove_security_group(self, security_group):
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"""
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Remova a security group from an instance.
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"""
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self.manager.remove_security_group(self, security_group)
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def evacuate(self, host, on_shared_storage, password=None):
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"""
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Evacuate an instance from failed host to specified host.
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:param host: Name of the target host
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:param on_shared_storage: Specifies whether instance files located
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on shared storage
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:param password: string to set as password on the evacuated server.
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"""
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return self.manager.evacuate(self, host, on_shared_storage, password)
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def interface_list(self):
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"""
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List interfaces attached to an instance.
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"""
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return self.manager.interface_list(self)
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def interface_attach(self, port_id, net_id, fixed_ip):
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"""
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Attach a network interface to an instance.
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"""
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return self.manager.interface_attach(self, port_id, net_id, fixed_ip)
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def interface_detach(self, port_id):
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"""
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Detach a network interface from an instance.
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"""
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return self.manager.interface_detach(self, port_id)
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class ServerManager(local_base.BootingManagerWithFind):
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resource_class = Server
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def get(self, server):
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"""
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Get a server.
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:param server: ID of the :class:`Server` to get.
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:rtype: :class:`Server`
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"""
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return self._get("/servers/%s" % base.getid(server), "server")
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def list(self, detailed=True, search_opts=None):
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"""
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Get a list of servers.
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Optional detailed returns details server info.
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Optional reservation_id only returns instances with that
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reservation_id.
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:rtype: list of :class:`Server`
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"""
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if search_opts is None:
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search_opts = {}
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qparams = {}
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for opt, val in six.iteritems(search_opts):
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if val:
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qparams[opt] = val
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query_string = "?%s" % urllib.urlencode(qparams) if qparams else ""
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detail = ""
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if detailed:
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detail = "/detail"
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return self._list("/servers%s%s" % (detail, query_string), "servers")
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def add_fixed_ip(self, server, network_id):
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"""
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Add an IP address on a network.
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:param server: The :class:`Server` (or its ID) to add an IP to.
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:param network_id: The ID of the network the IP should be on.
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"""
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self._action('addFixedIp', server, {'networkId': network_id})
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def remove_fixed_ip(self, server, address):
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"""
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Remove an IP address.
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:param server: The :class:`Server` (or its ID) to add an IP to.
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:param address: The IP address to remove.
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"""
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self._action('removeFixedIp', server, {'address': address})
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def add_floating_ip(self, server, address, fixed_address=None):
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"""
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Add a floating ip to an instance
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:param server: The :class:`Server` (or its ID) to add an IP to.
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:param address: The FloatingIP or string floating address to add.
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:param fixed_address: The FixedIP the floatingIP should be
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associated with (optional)
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"""
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address = address.ip if hasattr(address, 'ip') else address
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if fixed_address:
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if hasattr(fixed_address, 'ip'):
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fixed_address = fixed_address.ip
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self._action('addFloatingIp', server,
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{'address': address, 'fixed_address': fixed_address})
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else:
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self._action('addFloatingIp', server, {'address': address})
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def remove_floating_ip(self, server, address):
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"""
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Remove a floating IP address.
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:param server: The :class:`Server` (or its ID) to remove an IP from.
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:param address: The FloatingIP or string floating address to remove.
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"""
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address = address.ip if hasattr(address, 'ip') else address
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self._action('removeFloatingIp', server, {'address': address})
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def get_vnc_console(self, server, console_type):
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"""
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Get a vnc console for an instance
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:param server: The :class:`Server` (or its ID) to add an IP to.
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:param console_type: Type of vnc console to get ('novnc' or 'xvpvnc')
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"""
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return self._action('os-getVNCConsole', server,
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{'type': console_type})[1]
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def get_spice_console(self, server, console_type):
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"""
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Get a spice console for an instance
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:param server: The :class:`Server` (or its ID) to add an IP to.
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:param console_type: Type of spice console to get ('spice-html5')
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"""
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return self._action('os-getSPICEConsole', server,
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{'type': console_type})[1]
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def get_password(self, server, private_key):
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"""
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Get password for an instance
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Requires that openssl in installed and in the path
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:param server: The :class:`Server` (or its ID) to add an IP to.
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:param private_key: The private key to decrypt password
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"""
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_resp, body = self.api.client.get("/servers/%s/os-server-password"
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% base.getid(server))
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if body and body.get('password'):
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try:
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return crypto.decrypt_password(private_key, body['password'])
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except Exception as exc:
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return '%sFailed to decrypt:\n%s' % (exc, body['password'])
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return ''
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def clear_password(self, server):
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"""
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Clear password for an instance
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:param server: The :class:`Server` (or its ID) to add an IP to.
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"""
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return self._delete("/servers/%s/os-server-password"
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% base.getid(server))
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def stop(self, server):
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"""
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Stop the server.
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"""
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return self._action('os-stop', server, None)
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def start(self, server):
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"""
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Start the server.
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"""
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self._action('os-start', server, None)
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def pause(self, server):
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"""
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Pause the server.
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"""
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self._action('pause', server, None)
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def unpause(self, server):
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"""
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Unpause the server.
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"""
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self._action('unpause', server, None)
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def lock(self, server):
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"""
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Lock the server.
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"""
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self._action('lock', server, None)
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def unlock(self, server):
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"""
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Unlock the server.
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"""
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self._action('unlock', server, None)
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def suspend(self, server):
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"""
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Suspend the server.
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"""
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self._action('suspend', server, None)
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def resume(self, server):
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"""
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Resume the server.
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"""
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self._action('resume', server, None)
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def rescue(self, server):
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"""
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Rescue the server.
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"""
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return self._action('rescue', server, None)
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def unrescue(self, server):
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"""
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Unrescue the server.
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"""
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self._action('unrescue', server, None)
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def diagnostics(self, server):
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"""Retrieve server diagnostics."""
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return self.api.client.get("/servers/%s/diagnostics" %
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base.getid(server))
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def create(self, name, image, flavor, meta=None, files=None,
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reservation_id=None, min_count=None,
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max_count=None, security_groups=None, userdata=None,
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key_name=None, availability_zone=None,
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block_device_mapping=None, nics=None, scheduler_hints=None,
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config_drive=None, **kwargs):
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# TODO(anthony): indicate in doc string if param is an extension
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# and/or optional
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"""
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Create (boot) a new server.
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:param name: Something to name the server.
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:param image: The :class:`Image` to boot with.
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:param flavor: The :class:`Flavor` to boot onto.
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:param meta: A dict of arbitrary key/value metadata to store for this
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server. A maximum of five entries is allowed, and both
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keys and values must be 255 characters or less.
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:param files: A dict of files to overrwrite on the server upon boot.
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Keys are file names (i.e. ``/etc/passwd``) and values
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are the file contents (either as a string or as a
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file-like object). A maximum of five entries is allowed,
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and each file must be 10k or less.
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:param userdata: user data to pass to be exposed by the metadata
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server this can be a file type object as well or a
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string.
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:param reservation_id: a UUID for the set of servers being requested.
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:param key_name: (optional extension) name of previously created
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keypair to inject into the instance.
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:param availability_zone: Name of the availability zone for instance
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placement.
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:param block_device_mapping: (optional extension) A dict of block
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device mappings for this server.
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|
:param nics: (optional extension) an ordered list of nics to be
|
|
added to this server, with information about
|
|
connected networks, fixed ips, port etc.
|
|
:param scheduler_hints: (optional extension) arbitrary key-value pairs
|
|
specified by the client to help boot an instance
|
|
:param config_drive: (optional extension) value for config drive
|
|
either boolean, or volume-id
|
|
"""
|
|
if not min_count:
|
|
min_count = 1
|
|
if not max_count:
|
|
max_count = min_count
|
|
if min_count > max_count:
|
|
min_count = max_count
|
|
|
|
boot_args = [name, image, flavor]
|
|
|
|
boot_kwargs = dict(
|
|
meta=meta, files=files, userdata=userdata,
|
|
reservation_id=reservation_id, min_count=min_count,
|
|
max_count=max_count, security_groups=security_groups,
|
|
key_name=key_name, availability_zone=availability_zone,
|
|
scheduler_hints=scheduler_hints, config_drive=config_drive,
|
|
**kwargs)
|
|
|
|
if block_device_mapping:
|
|
resource_url = "/os-volumes_boot"
|
|
boot_kwargs['block_device_mapping'] = block_device_mapping
|
|
else:
|
|
resource_url = "/servers"
|
|
if nics:
|
|
boot_kwargs['nics'] = nics
|
|
|
|
response_key = "server"
|
|
return self._boot(resource_url, response_key, *boot_args,
|
|
**boot_kwargs)
|
|
|
|
def update(self, server, name=None):
|
|
"""
|
|
Update the name or the password for a server.
|
|
|
|
:param server: The :class:`Server` (or its ID) to update.
|
|
:param name: Update the server's name.
|
|
"""
|
|
if name is None:
|
|
return
|
|
|
|
body = {
|
|
"server": {
|
|
"name": name,
|
|
},
|
|
}
|
|
|
|
return self._update("/servers/%s" % base.getid(server), body, "server")
|
|
|
|
def change_password(self, server, password):
|
|
"""
|
|
Update the password for a server.
|
|
"""
|
|
self._action("changePassword", server, {"adminPass": password})
|
|
|
|
def delete(self, server):
|
|
"""
|
|
Delete (i.e. shut down and delete the image) this server.
|
|
"""
|
|
self._delete("/servers/%s" % base.getid(server))
|
|
|
|
def reboot(self, server, reboot_type=REBOOT_SOFT):
|
|
"""
|
|
Reboot a server.
|
|
|
|
:param server: The :class:`Server` (or its ID) to share onto.
|
|
:param reboot_type: either :data:`REBOOT_SOFT` for a software-level
|
|
reboot, or `REBOOT_HARD` for a virtual power cycle hard reboot.
|
|
"""
|
|
self._action('reboot', server, {'type': reboot_type})
|
|
|
|
def rebuild(self, server, image, password=None, **kwargs):
|
|
"""
|
|
Rebuild -- shut down and then re-image -- a server.
|
|
|
|
:param server: The :class:`Server` (or its ID) to share onto.
|
|
:param image: the :class:`Image` (or its ID) to re-image with.
|
|
:param password: string to set as password on the rebuilt server.
|
|
"""
|
|
body = {'imageRef': base.getid(image)}
|
|
if password is not None:
|
|
body['adminPass'] = password
|
|
_resp, body = self._action('rebuild', server, body, **kwargs)
|
|
return Server(self, body['server'])
|
|
|
|
def migrate(self, server):
|
|
"""
|
|
Migrate a server to a new host.
|
|
|
|
:param server: The :class:`Server` (or its ID).
|
|
"""
|
|
self._action('migrate', server)
|
|
|
|
def resize(self, server, flavor, **kwargs):
|
|
"""
|
|
Resize a server's resources.
|
|
|
|
:param server: The :class:`Server` (or its ID) to share onto.
|
|
:param flavor: the :class:`Flavor` (or its ID) to resize to.
|
|
|
|
Until a resize event is confirmed with :meth:`confirm_resize`, the old
|
|
server will be kept around and you'll be able to roll back to the old
|
|
flavor quickly with :meth:`revert_resize`. All resizes are
|
|
automatically confirmed after 24 hours.
|
|
"""
|
|
info = {'flavorRef': base.getid(flavor)}
|
|
self._action('resize', server, info=info, **kwargs)
|
|
|
|
def confirm_resize(self, server):
|
|
"""
|
|
Confirm that the resize worked, thus removing the original server.
|
|
|
|
:param server: The :class:`Server` (or its ID) to share onto.
|
|
"""
|
|
self._action('confirmResize', server)
|
|
|
|
def revert_resize(self, server):
|
|
"""
|
|
Revert a previous resize, switching back to the old server.
|
|
|
|
:param server: The :class:`Server` (or its ID) to share onto.
|
|
"""
|
|
self._action('revertResize', server)
|
|
|
|
def create_image(self, server, image_name, metadata=None):
|
|
"""
|
|
Snapshot a server.
|
|
|
|
:param server: The :class:`Server` (or its ID) to share onto.
|
|
:param image_name: Name to give the snapshot image
|
|
:param meta: Metadata to give newly-created image entity
|
|
"""
|
|
body = {'name': image_name, 'metadata': metadata or {}}
|
|
resp = self._action('createImage', server, body)[0]
|
|
location = resp.headers['location']
|
|
image_uuid = location.split('/')[-1]
|
|
return image_uuid
|
|
|
|
def backup(self, server, backup_name, backup_type, rotation):
|
|
"""
|
|
Backup a server instance.
|
|
|
|
:param server: The :class:`Server` (or its ID) to share onto.
|
|
:param backup_name: Name of the backup image
|
|
:param backup_type: The backup type, like 'daily' or 'weekly'
|
|
:param rotation: Int parameter representing how many backups to
|
|
keep around.
|
|
"""
|
|
body = {'name': backup_name,
|
|
'backup_type': backup_type,
|
|
'rotation': rotation}
|
|
self._action('createBackup', server, body)
|
|
|
|
def set_meta(self, server, metadata):
|
|
"""
|
|
Set a servers metadata
|
|
:param server: The :class:`Server` to add metadata to
|
|
:param metadata: A dict of metadata to add to the server
|
|
"""
|
|
body = {'metadata': metadata}
|
|
return self._create("/servers/%s/metadata" % base.getid(server),
|
|
body, "metadata")
|
|
|
|
def get_console_output(self, server, length=None):
|
|
"""
|
|
Get text console log output from Server.
|
|
|
|
:param server: The :class:`Server` (or its ID) whose console output
|
|
you would like to retrieve.
|
|
:param length: The number of tail loglines you would like to retrieve.
|
|
"""
|
|
return self._action('os-getConsoleOutput',
|
|
server,
|
|
{'length': length})[1]['output']
|
|
|
|
def delete_meta(self, server, keys):
|
|
"""
|
|
Delete metadata from an server
|
|
:param server: The :class:`Server` to add metadata to
|
|
:param keys: A list of metadata keys to delete from the server
|
|
"""
|
|
for k in keys:
|
|
self._delete("/servers/%s/metadata/%s" % (base.getid(server), k))
|
|
|
|
def live_migrate(self, server, host, block_migration, disk_over_commit):
|
|
"""
|
|
Migrates a running instance to a new machine.
|
|
|
|
:param server: instance id which comes from nova list.
|
|
:param host: destination host name.
|
|
:param block_migration: if True, do block_migration.
|
|
:param disk_over_commit: if True, Allow overcommit.
|
|
|
|
"""
|
|
self._action('os-migrateLive', server,
|
|
{'host': host,
|
|
'block_migration': block_migration,
|
|
'disk_over_commit': disk_over_commit})
|
|
|
|
def reset_state(self, server, state='error'):
|
|
"""
|
|
Reset the state of an instance to active or error.
|
|
|
|
:param server: ID of the instance to reset the state of.
|
|
:param state: Desired state; either 'active' or 'error'.
|
|
Defaults to 'error'.
|
|
"""
|
|
self._action('os-resetState', server, dict(state=state))
|
|
|
|
def reset_network(self, server):
|
|
"""
|
|
Reset network of an instance.
|
|
"""
|
|
self._action('resetNetwork', server)
|
|
|
|
def add_security_group(self, server, security_group):
|
|
"""
|
|
Add a Security Group to a instance
|
|
|
|
:param server: ID of the instance.
|
|
:param security_grou: The name of security group to add.
|
|
|
|
"""
|
|
self._action('addSecurityGroup', server, {'name': security_group})
|
|
|
|
def remove_security_group(self, server, security_group):
|
|
"""
|
|
Add a Security Group to a instance
|
|
|
|
:param server: ID of the instance.
|
|
:param security_grou: The name of security group to remove.
|
|
|
|
"""
|
|
self._action('removeSecurityGroup', server, {'name': security_group})
|
|
|
|
def evacuate(self, server, host, on_shared_storage, password=None):
|
|
"""
|
|
Evacuate a server instance.
|
|
|
|
:param server: The :class:`Server` (or its ID) to share onto.
|
|
:param host: Name of the target host.
|
|
:param on_shared_storage: Specifies whether instance files located
|
|
on shared storage
|
|
:param password: string to set as password on the evacuated server.
|
|
"""
|
|
body = {
|
|
'host': host,
|
|
'onSharedStorage': on_shared_storage,
|
|
}
|
|
|
|
if password is not None:
|
|
body['adminPass'] = password
|
|
|
|
return self._action('evacuate', server, body)
|
|
|
|
def interface_list(self, server):
|
|
"""
|
|
List attached network interfaces
|
|
|
|
:param server: The :class:`Server` (or its ID) to query.
|
|
"""
|
|
return self._list('/servers/%s/os-interface' % base.getid(server),
|
|
'interfaceAttachments')
|
|
|
|
def interface_attach(self, server, port_id, net_id, fixed_ip):
|
|
"""
|
|
Attach a network_interface to an instance.
|
|
|
|
:param server: The :class:`Server` (or its ID) to attach to.
|
|
:param port_id: The port to attach.
|
|
"""
|
|
|
|
body = {'interfaceAttachment': {}}
|
|
if port_id:
|
|
body['interfaceAttachment']['port_id'] = port_id
|
|
if net_id:
|
|
body['interfaceAttachment']['net_id'] = net_id
|
|
if fixed_ip:
|
|
body['interfaceAttachment']['fixed_ips'] = [
|
|
{'ip_address': fixed_ip}]
|
|
|
|
return self._create('/servers/%s/os-interface' % base.getid(server),
|
|
body, 'interfaceAttachment')
|
|
|
|
def interface_detach(self, server, port_id):
|
|
"""
|
|
Detach a network_interface from an instance.
|
|
|
|
:param server: The :class:`Server` (or its ID) to detach from.
|
|
:param port_id: The port to detach.
|
|
"""
|
|
self._delete('/servers/%s/os-interface/%s' % (base.getid(server),
|
|
port_id))
|
|
|
|
def _action(self, action, server, info=None, **kwargs):
|
|
"""
|
|
Perform a server "action" -- reboot/rebuild/resize/etc.
|
|
"""
|
|
body = {action: info}
|
|
self.run_hooks('modify_body_for_action', body, **kwargs)
|
|
url = '/servers/%s/action' % base.getid(server)
|
|
return self.api.client.post(url, body=body)
|