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diskbackend: Document the various classes
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@ -151,7 +151,14 @@ def manage_path(conn, path):
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return vol, pool
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return vol, pool
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##############################################
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# Classes for tracking storage media details #
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##############################################
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class _StorageBase(object):
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class _StorageBase(object):
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"""
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Storage base class, defining the API used by VirtualDisk
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"""
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def __init__(self, conn):
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def __init__(self, conn):
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self._conn = conn
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self._conn = conn
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@ -166,6 +173,9 @@ class _StorageBase(object):
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class _StorageCreator(_StorageBase):
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class _StorageCreator(_StorageBase):
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"""
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Base object for classes that will actually create storage on disk
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"""
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def __init__(self, conn):
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def __init__(self, conn):
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_StorageBase.__init__(self, conn)
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_StorageBase.__init__(self, conn)
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@ -246,6 +256,12 @@ class _StorageCreator(_StorageBase):
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class CloneStorageCreator(_StorageCreator):
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class CloneStorageCreator(_StorageCreator):
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"""
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Handles manually copying local files for Cloner
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Many clone scenarios will use libvirt storage APIs, which will use
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the ManagedStorageCreator
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"""
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def __init__(self, conn, output_path, input_path, size, sparse):
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def __init__(self, conn, output_path, input_path, size, sparse):
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_StorageCreator.__init__(self, conn)
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_StorageCreator.__init__(self, conn)
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@ -356,6 +372,11 @@ class CloneStorageCreator(_StorageCreator):
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class ManagedStorageCreator(_StorageCreator):
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class ManagedStorageCreator(_StorageCreator):
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"""
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Handles storage creation via libvirt APIs. All the actual creation
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logic lives in StorageVolume, this is mostly about pulling out bits
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from that class and mapping them to VirtualDisk elements
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"""
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def __init__(self, conn, vol_install):
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def __init__(self, conn, vol_install):
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_StorageCreator.__init__(self, conn)
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_StorageCreator.__init__(self, conn)
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