Only perform teardown actions if device status indicates
that the device is active.
Also, do not throw an exception for non-existent devices
if doing a recursive teardown. This gives a chance for
lower-level devices to still get deactivated even if the
higher-level devices have been replaced.
---
storage/devices.py | 57 ++++++++++++++-------------------------------------
1 files changed, 16 insertions(+), 41 deletions(-)
diff --git a/storage/devices.py b/storage/devices.py
index 2ae643c..b80eb76 100644
--- a/storage/devices.py
+++ b/storage/devices.py
@@ -513,10 +513,11 @@ class StorageDevice(Device):
def teardown(self, recursive=None):
""" Close, or tear down, a device. """
log_method_call(self, self.name, status=self.status)
- if not self.exists:
+ if not self.exists and not recursive:
raise DeviceError("device has not been created")
- self.format.teardown()
+ if self.status and self.format.exists:
+ self.format.teardown()
if recursive:
self.teardownParents(recursive=recursive)
@@ -773,12 +774,6 @@ class DiskDevice(StorageDevice):
if not os.path.exists(self.path):
raise DeviceError("device does not exist")
- def teardown(self, recursive=False):
- """ Close, or tear down, a device. """
- log_method_call(self, self.name, status=self.status)
- if not self.exists:
- raise DeviceError("device has not been created")
-
class PartitionDevice(StorageDevice):
""" A disk partition.
@@ -1227,18 +1222,6 @@ class DMDevice(StorageDevice):
name = property(lambda d: d._name,
lambda d,n: d._setName(n))
- def teardown(self, recursive=None):
- """ Close, or tear down, a device. """
- log_method_call(self, self.name, status=self.status)
- if not self.exists:
- raise DeviceError("device has not been created")
-
- if self.status:
- self.format.teardown()
-
- if recursive:
- self.teardownParents(recursive=recursive)
-
class DMCryptDevice(DMDevice):
""" A dm-crypt device """
@@ -1321,11 +1304,13 @@ class LUKSDevice(DMCryptDevice):
def teardown(self, recursive=False):
""" Close, or tear down, a device. """
log_method_call(self, self.name, status=self.status)
- if not self.exists:
+ if not self.exists and not recursive:
raise DeviceError("device has not been created")
- if self.status:
+ if self.status and self.format.exists:
self.format.teardown()
+
+ if self.slave.format.exists:
self.slave.format.teardown()
if recursive:
@@ -1502,7 +1487,7 @@ class LVMVolumeGroupDevice(DMDevice):
def teardown(self, recursive=None):
""" Close, or tear down, a device. """
log_method_call(self, self.name, status=self.status)
- if not self.exists:
+ if not self.exists and not recursive:
raise DeviceError("device has not been created")
if self.status:
@@ -1779,11 +1764,13 @@ class LVMLogicalVolumeDevice(DMDevice):
def teardown(self, recursive=None):
""" Close, or tear down, a device. """
log_method_call(self, self.name, status=self.status)
- if not self.exists:
+ if not self.exists and not recursive:
raise DeviceError("device has not been created")
- if self.status:
+ if self.status and self.format.exists:
self.format.teardown()
+
+ if self.status:
lvm.lvdeactivate(self.vg.name, self._name)
if recursive:
@@ -2088,11 +2075,13 @@ class MDRaidArrayDevice(StorageDevice):
def teardown(self, recursive=None):
""" Close, or tear down, a device. """
log_method_call(self, self.name, status=self.status)
- if not self.exists:
+ if not self.exists and not recursive:
raise DeviceError("device has not been created")
- if self.status:
+ if self.status and self.format.exists:
self.format.teardown()
+
+ if self.status:
mdraid.mddeactivate(self.path)
if recursive:
@@ -2233,10 +2222,6 @@ class DMRaidArrayDevice(DiskDevice):
def getDMNode(self):
DMDevice.getDMNode(self)
- def teardown(self, recursive=None):
- # avoid DiskDevice's overriding of teardown()
- StorageDevice.teardown(self, recursive)
-
class DMRaidPartitionDevice(PartitionDevice):
""" A disk partition in a dmraid array, identical to a general
@@ -2513,16 +2498,6 @@ class OpticalDevice(StorageDevice):
major=major, minor=minor, exists=True,
parents=parents, sysfsPath=sysfsPath)
- def teardown(self, recursive=None):
- """ Close, or tear down, a device. """
- log_method_call(self, self.name, status=self.status)
- if not self.exists:
- raise DeviceError("device has not been created")
-
- self.format.teardown()
- if recursive:
- self.teardownParents(recursive=recursive)
-
def mediaPresent(self):
""" Return a boolean indicating whether or not the device contains
media.
--
1.6.0.6
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