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Commit
43f6f38a
authored
Sep 27, 2013
by
Dudás Ádám
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storage: refactor get_exclusive method
parent
38633b61
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10 additions
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6 deletions
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-6
circle/storage/models.py
+10
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circle/storage/models.py
View file @
43f6f38a
...
...
@@ -89,16 +89,20 @@ class Disk(TimeStampedModel):
def
get_exclusive
(
self
):
"""Get an instance of the disk for exclusive usage.
"""
if
self
.
type
in
[
'qcow2-snap'
,
'raw-rw'
]:
raise
self
.
WrongDiskTypeError
(
self
.
type
)
filename
=
self
.
filename
if
self
.
type
==
'iso'
else
str
(
uuid
.
uuid4
())
new_type
=
{
This method manipulates the database only.
"""
type_mapping
=
{
'qcow2-norm'
:
'qcow2-snap'
,
'iso'
:
'iso'
,
'raw-ro'
:
'raw-rw'
,
}[
self
.
type
]
}
if
self
.
type
not
in
type_mapping
.
keys
():
raise
self
.
WrongDiskTypeError
(
self
.
type
)
filename
=
self
.
filename
if
self
.
type
==
'iso'
else
str
(
uuid
.
uuid4
())
new_type
=
type_mapping
[
self
.
type
]
return
Disk
.
objects
.
create
(
base
=
self
,
datastore
=
self
.
datastore
,
filename
=
filename
,
name
=
self
.
name
,
...
...
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