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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 OpenStack Foundation
# All Rights Reserved.
#
# 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.
"""Possible vm states for instances.
Compute instance vm states represent the state of an instance as it pertains to
a user or administrator.
vm_state describes a VM's current stable (not transition) state. That is, if
there is no ongoing compute API calls (running tasks), vm_state should reflect
what the customer expect the VM to be. When combined with task states
(task_states.py), a better picture can be formed regarding the instance's
health and progress.
See http://wiki.openstack.org/VMState
"""
ACTIVE = 'active' # VM is running
BUILDING = 'building' # VM only exists in DB
PAUSED = 'paused'
SUSPENDED = 'suspended' # VM is suspended to disk.
STOPPED = 'stopped' # VM is powered off, the disk image is still there.
RESCUED = 'rescued' # A rescue image is running with the original VM image
# attached.
RESIZED = 'resized' # a VM with the new size is active. The user is expected
# to manually confirm or revert.
SOFT_DELETED = 'soft-delete' # VM is marked as deleted but the disk images are
# still available to restore.
DELETED = 'deleted' # VM is permanently deleted.
ERROR = 'error'
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