Revision cd42d0ad lib/hypervisor/hv_base.py
b/lib/hypervisor/hv_base.py | ||
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def GetInstanceInfo(self, instance_name): |
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"""Get instance properties. |
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@type instance_name: string |
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@param instance_name: the instance name |
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@return: tuple (name, id, memory, vcpus, state, times) |
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""" |
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raise NotImplementedError |
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def MigrationInfo(self, instance): |
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"""Get instance information to perform a migration. |
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By default assume no information is needed. |
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@type instance: L{objects.Instance} |
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@param instance: instance to be migrated |
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@rtype: string/data (opaque) |
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@return: instance migration information - serialized form |
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""" |
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return '' |
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def AcceptInstance(self, instance, info, target): |
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"""Prepare to accept an instance. |
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By default assume no preparation is needed. |
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@type instance: L{objects.Instance} |
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@param instance: instance to be accepted |
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@type info: string/data (opaque) |
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@param info: migration information, from the source node |
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@type target: string |
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@param target: target host (usually ip), on this node |
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""" |
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pass |
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def FinalizeMigration(self, instance, info, success): |
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"""Finalized an instance migration. |
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Should finalize or revert any preparation done to accept the instance. |
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Since by default we do no preparation, we also don't have anything to do |
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@type instance: L{objects.Instance} |
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@param instance: instance whose migration is being aborted |
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@type info: string/data (opaque) |
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@param info: migration information, from the source node |
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@type success: boolean |
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@param success: whether the migration was a success or a failure |
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""" |
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pass |
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def MigrateInstance(self, name, target, live): |
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"""Migrate an instance. |
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Arguments:
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- name: the name of the instance
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- target: the target of the migration (usually will be IP and not name)
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- live: whether to do live migration or not
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Returns: none, errors will be signaled by exception.
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@type name: string
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@param name: name of the instance to be migrated
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@type target: string
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@param target: hostname (usually ip) of the target node
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@type live: boolean |
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@param live: whether to do a live or non-live migration
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""" |
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raise NotImplementedError |
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@classmethod |
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def CheckParameterSyntax(cls, hvparams): |
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"""Check the given parameters for validity. |
Also available in: Unified diff