def testActionDependencies(self, *args, **kwargs):
""" Verify correct functioning of action dependencies. """
# ActionResizeDevice
# an action that shrinks a device should require the action that
# shrinks the device's format
lv_root = self.storage.devicetree.getDeviceByName("VolGroup-lv_root")
self.assertNotEqual(lv_root, None)
shrink_format = ActionResizeFormat(lv_root, lv_root.size - 5000)
shrink_device = ActionResizeDevice(lv_root, lv_root.size - 5000)
self.assertEqual(shrink_device.requires(shrink_format), True)
self.assertEqual(shrink_format.requires(shrink_device), False)
shrink_format.cancel()
shrink_device.cancel()
# ActionResizeDevice
# an action that grows a format should require the action that
# grows the device
orig_size = lv_root.currentSize
grow_device = ActionResizeDevice(lv_root, orig_size + 100)
grow_format = ActionResizeFormat(lv_root, orig_size + 100)
self.assertEqual(grow_format.requires(grow_device), True)
self.assertEqual(grow_device.requires(grow_format), False)
# create something like uncommitted autopart
self.destroyAllDevices()
sda = self.storage.devicetree.getDeviceByName("sda")
sdb = self.storage.devicetree.getDeviceByName("sdb")
sda1 = self.newDevice(device_class=PartitionDevice,
name="sda1", size=500, parents=[sda])
sda1_format = self.newFormat("ext4", mountpoint="/boot",
device=sda1.path)
self.scheduleCreateDevice(device=sda1)
self.scheduleCreateFormat(device=sda1, format=sda1_format)
sda2 = self.newDevice(device_class=PartitionDevice,
name="sda2", size=99500, parents=[sda])
sda2_format = self.newFormat("lvmpv", device=sda1.path)
self.scheduleCreateDevice(device=sda2)
self.scheduleCreateFormat(device=sda2, format=sda2_format)
sdb1 = self.newDevice(device_class=PartitionDevice,
name="sdb1", size=100000, parents=[sdb])
sdb1_format = self.newFormat("lvmpv", device=sdb1.path)
self.scheduleCreateDevice(device=sdb1)
self.scheduleCreateFormat(device=sdb1, format=sdb1_format)
vg = self.newDevice(device_class=LVMVolumeGroupDevice,
name="VolGroup", parents=[sda2, sdb1])
self.scheduleCreateDevice(device=vg)
lv_root = self.newDevice(device_class=LVMLogicalVolumeDevice,
name="lv_root", vgdev=vg, size=160000)
self.scheduleCreateDevice(device=lv_root)
format = self.newFormat("ext4", device=lv_root.path, mountpoint="/")
self.scheduleCreateFormat(device=lv_root, format=format)
lv_swap = self.newDevice(device_class=LVMLogicalVolumeDevice,
name="lv_swap", vgdev=vg, size=4000)
self.scheduleCreateDevice(device=lv_swap)
format = self.newFormat("swap", device=lv_swap.path)
self.scheduleCreateFormat(device=lv_swap, format=format)
# ActionCreateDevice
# creation of an LV should require the actions that create the VG,
# its PVs, and the devices that contain the PVs
lv_root = self.storage.devicetree.getDeviceByName("VolGroup-lv_root")
self.assertNotEqual(lv_root, None)
actions = self.storage.devicetree.findActions(type="create",
object="device",
device=lv_root)
self.assertEqual(len(actions), 1,
"wrong number of device create actions for lv_root: "
"%d" % len(actions))
create_lv_action = actions[0]
vgs = [d for d in self.storage.vgs if d.name == "VolGroup"]
self.assertNotEqual(vgs, [])
vg = vgs[0]
actions = self.storage.devicetree.findActions(type="create",
object="device",
device=vg)
self.assertEqual(len(actions), 1,
"wrong number of device create actions for VolGroup")
create_vg_action = actions[0]
self.assertEqual(create_lv_action.requires(create_vg_action), True)
create_pv_actions = []
pvs = [d for d in self.storage.pvs if d in vg.pvs]
self.assertNotEqual(pvs, [])
for pv in pvs:
# include device and format create actions for each pv
actions = self.storage.devicetree.findActions(type="create",
device=pv)
self.assertEqual(len(actions), 2,
"wrong number of device create actions for "
"pv %s" % pv.name)
create_pv_actions.append(actions[0])
for pv_action in create_pv_actions:
self.assertEqual(create_lv_action.requires(pv_action), True)
# also check that the vg create action requires the pv actions
self.assertEqual(create_vg_action.requires(pv_action), True)
# ActionCreateDevice
# the higher numbered partition of two that are scheduled to be
# created on a single disk should require the action that creates the
# lower numbered of the two, eg: create sda2 before creating sda3
sdc = self.storage.devicetree.getDeviceByName("sdc")
self.assertNotEqual(sdc, None)
sdc1 = self.newDevice(device_class=PartitionDevice,
name="sdc1", parents=[sdc], size=50000)
create_sdc1 = self.scheduleCreateDevice(device=sdc1)
self.assertEqual(isinstance(create_sdc1, ActionCreateDevice), True)
sdc2 = self.newDevice(device_class=PartitionDevice,
name="sdc2", parents=[sdc], size=50000)
create_sdc2 = self.scheduleCreateDevice(device=sdc2)
self.assertEqual(isinstance(create_sdc2, ActionCreateDevice), True)
self.assertEqual(create_sdc2.requires(create_sdc1), True)
self.assertEqual(create_sdc1.requires(create_sdc2), False)
# ActionCreateDevice
# actions that create partitions on two separate disks should not
# require each other, regardless of the partitions' numbers
sda1 = self.storage.devicetree.getDeviceByName("sda1")
self.assertNotEqual(sda1, None)
actions = self.storage.devicetree.findActions(type="create",
object="device",
device=sda1)
self.assertEqual(len(actions), 1,
"wrong number of create actions found for sda1")
create_sda1 = actions[0]
self.assertEqual(create_sdc2.requires(create_sda1), False)
self.assertEqual(create_sda1.requires(create_sdc1), False)
# ActionDestroyDevice
# an action that destroys a device containing an mdmember format
# should require the action that destroys the md array it is a
# member of if an array is defined
self.destroyAllDevices(disks=["sdc", "sdd"])
sdc = self.storage.devicetree.getDeviceByName("sdc")
self.assertNotEqual(sdc, None)
sdd = self.storage.devicetree.getDeviceByName("sdd")
self.assertNotEqual(sdd, None)
sdc1 = self.newDevice(device_class=PartitionDevice,
name="sdc1", parents=[sdc], size=40000)
self.scheduleCreateDevice(device=sdc1)
format = self.newFormat("mdmember", device=sdc1.path)
self.scheduleCreateFormat(device=sdc1, format=format)
sdd1 = self.newDevice(device_class=PartitionDevice,
name="sdd1", parents=[sdd], size=40000)
self.scheduleCreateDevice(device=sdd1)
format = self.newFormat("mdmember", device=sdd1.path,)
self.scheduleCreateFormat(device=sdd1, format=format)
md0 = self.newDevice(device_class=MDRaidArrayDevice,
name="md0", level="raid0", minor=0, size=80000,
memberDevices=2, totalDevices=2,
parents=[sdc1, sdd1])
self.scheduleCreateDevice(device=md0)
format = self.newFormat("ext4", device=md0.path, mountpoint="/home")
self.scheduleCreateFormat(device=md0, format=format)
destroy_md0_format = self.scheduleDestroyFormat(device=md0)
destroy_md0 = self.scheduleDestroyDevice(device=md0)
destroy_members = [self.scheduleDestroyDevice(device=sdc1)]
destroy_members.append(self.scheduleDestroyDevice(device=sdd1))
for member in destroy_members:
# device and format destroy actions for md members should require
# both device and format destroy actions for the md array
for array in [destroy_md0_format, destroy_md0]:
self.assertEqual(member.requires(array), True)
# ActionDestroyDevice
# when there are two actions that will each destroy a partition on the
# same disk, the action that will destroy the lower-numbered
# partition should require the action that will destroy the higher-
# numbered partition, eg: destroy sda2 before destroying sda1
self.destroyAllDevices(disks=["sdc", "sdd"])
sdc1 = self.newDevice(device_class=PartitionDevice,
name="sdc1", parents=[sdc], size=50000)
self.scheduleCreateDevice(device=sdc1)
sdc2 = self.newDevice(device_class=PartitionDevice,
name="sdc2", parents=[sdc], size=40000)
self.scheduleCreateDevice(device=sdc2)
destroy_sdc1 = self.scheduleDestroyDevice(device=sdc1)
destroy_sdc2 = self.scheduleDestroyDevice(device=sdc2)
self.assertEqual(destroy_sdc1.requires(destroy_sdc2), True)
self.assertEqual(destroy_sdc2.requires(destroy_sdc1), False)
self.destroyAllDevices(disks=["sdc", "sdd"])
sdc = self.storage.devicetree.getDeviceByName("sdc")
self.assertNotEqual(sdc, None)
sdd = self.storage.devicetree.getDeviceByName("sdd")
self.assertNotEqual(sdd, None)
sdc1 = self.newDevice(device_class=PartitionDevice,
name="sdc1", parents=[sdc], size=50000)
create_pv = self.scheduleCreateDevice(device=sdc1)
format = self.newFormat("lvmpv", device=sdc1.path)
create_pv_format = self.scheduleCreateFormat(device=sdc1, format=format)
testvg = self.newDevice(device_class=LVMVolumeGroupDevice,
name="testvg", parents=[sdc1], size=50000)
create_vg = self.scheduleCreateDevice(device=testvg)
testlv = self.newDevice(device_class=LVMLogicalVolumeDevice,
name="testlv", vgdev=testvg, size=30000)
create_lv = self.scheduleCreateDevice(device=testlv)
format = self.newFormat("ext4", device=testlv.path)
create_lv_format = self.scheduleCreateFormat(device=testlv, format=format)
# ActionCreateFormat
# creation of a format on a non-existent device should require the
# action that creates the device
self.assertEqual(create_lv_format.requires(create_lv), True)
# ActionCreateFormat
# an action that creates a format on a device should require an action
# that creates a device that the format's device depends on
self.assertEqual(create_lv_format.requires(create_pv), True)
self.assertEqual(create_lv_format.requires(create_vg), True)
# ActionCreateFormat
# an action that creates a format on a device should require an action
# that creates a format on a device that the format's device depends on
self.assertEqual(create_lv_format.requires(create_pv_format), True)
# XXX from here on, the devices are existing but not in the tree, so
# we instantiate and use actions directly
self.destroyAllDevices(disks=["sdc", "sdd"])
sdc1 = self.newDevice(device_class=PartitionDevice, exists=True,
name="sdc1", parents=[sdc], size=50000)
sdc1.format = self.newFormat("lvmpv", device=sdc1.path, exists=True,
device_instance=sdc1)
testvg = self.newDevice(device_class=LVMVolumeGroupDevice, exists=True,
name="testvg", parents=[sdc1], size=50000)
testlv = self.newDevice(device_class=LVMLogicalVolumeDevice,
exists=True,
name="testlv", vgdev=testvg, size=30000)
testlv.format = self.newFormat("ext4", device=testlv.path,
exists=True, device_instance=testlv)
# ActionResizeDevice
# an action that resizes a device should require an action that grows
# a device that the first action's device depends on, eg: grow
# device containing PV before resize of VG or LVs
tmp = sdc1.format
sdc1.format = None # since lvmpv format is not resizable
grow_pv = ActionResizeDevice(sdc1, sdc1.size + 10000)
grow_lv = ActionResizeDevice(testlv, testlv.size + 5000)
grow_lv_format = ActionResizeFormat(testlv, testlv.size + 5000)
self.assertEqual(grow_lv.requires(grow_pv), True)
self.assertEqual(grow_pv.requires(grow_lv), False)
# ActionResizeFormat
# an action that grows a format should require the action that grows
# the format's device
self.assertEqual(grow_lv_format.requires(grow_lv), True)
self.assertEqual(grow_lv.requires(grow_lv_format), False)
# ActionResizeFormat
# an action that resizes a device's format should depend on an action
# that grows a device the first device depends on
self.assertEqual(grow_lv_format.requires(grow_pv), True)
self.assertEqual(grow_pv.requires(grow_lv_format), False)
# ActionResizeFormat
# an action that resizes a device's format should depend on an action
# that grows a format on a device the first device depends on
# XXX resize of PV format is not allowed, so there's no real-life
# example of this to test
grow_lv_format.cancel()
grow_lv.cancel()
grow_pv.cancel()
# ActionResizeDevice
# an action that resizes a device should require an action that grows
# a format on a device that the first action's device depends on, eg:
# grow PV format before resize of VG or LVs
# XXX resize of PV format is not allowed, so there's no real-life
# example of this to test
# ActionResizeDevice
# an action that resizes a device should require an action that
# shrinks a device that depends on the first action's device, eg:
# shrink LV before resizing VG or PV devices
shrink_lv = ActionResizeDevice(testlv, testlv.size - 10000)
shrink_pv = ActionResizeDevice(sdc1, sdc1.size - 5000)
self.assertEqual(shrink_pv.requires(shrink_lv), True)
self.assertEqual(shrink_lv.requires(shrink_pv), False)
# ActionResizeDevice
# an action that resizes a device should require an action that
# shrinks a format on a device that depends on the first action's
# device, eg: shrink LV format before resizing VG or PV devices
shrink_lv_format = ActionResizeFormat(testlv, testlv.size)
self.assertEqual(shrink_pv.requires(shrink_lv_format), True)
self.assertEqual(shrink_lv_format.requires(shrink_pv), False)
# ActionResizeFormat
# an action that resizes a device's format should depend on an action
# that shrinks a device that depends on the first device
# XXX can't think of a real-world example of this since PVs and MD
# member devices are not resizable in anaconda
# ActionResizeFormat
# an action that resizes a device's format should depend on an action
# that shrinks a format on a device that depends on the first device
# XXX can't think of a real-world example of this since PVs and MD
# member devices are not resizable in anaconda
shrink_lv_format.cancel()
shrink_lv.cancel()
shrink_pv.cancel()
sdc1.format = tmp # restore pv's lvmpv format
# ActionCreateFormat
# an action that creates a format on a device should require an action
# that resizes a device that the format's device depends on
# XXX Really? Is this always so?
# ActionCreateFormat
# an action that creates a format on a device should require an action
# that resizes a format on a device that the format's device depends on
# XXX Same as above.
# ActionCreateFormat
# an action that creates a format on a device should require an action
# that resizes the device that will contain the format
grow_lv = ActionResizeDevice(testlv, testlv.size + 1000)
format = self.newFormat("msdos", device=testlv.path)
format_lv = ActionCreateFormat(testlv, format)
self.assertEqual(format_lv.requires(grow_lv), True)
self.assertEqual(grow_lv.requires(format_lv), False)
# ActionDestroyFormat
# an action that destroys a format should require an action that
# destroys a device that depends on the format's device
destroy_pv_format = ActionDestroyFormat(sdc1)
destroy_lv_format = ActionDestroyFormat(testlv)
destroy_lv = ActionDestroyDevice(testlv)
self.assertEqual(destroy_pv_format.requires(destroy_lv), True)
self.assertEqual(destroy_lv.requires(destroy_pv_format), False)
# ActionDestroyFormat
# an action that destroys a format should require an action that
# destroys a format on a device that depends on the first format's
# device
self.assertEqual(destroy_pv_format.requires(destroy_lv_format), True)
self.assertEqual(destroy_lv_format.requires(destroy_pv_format), False)
def testActionRegistration(self, *args, **kwargs):
""" Verify correct operation of action registration and cancelling. """
# self.setUp has just been run, so we should have something like
# a preexisting autopart config in the devicetree.
# registering a destroy action for a non-leaf device should fail
vg = self.storage.devicetree.getDeviceByName("VolGroup")
self.assertNotEqual(vg, None)
self.assertEqual(vg.isleaf, False)
a = storage.deviceaction.ActionDestroyDevice(vg)
self.failUnlessRaises(ValueError,
self.storage.devicetree.registerAction,
a)
# registering any action other than create for a device that's not in
# the devicetree should fail
sdc = self.storage.devicetree.getDeviceByName("sdc")
self.assertNotEqual(sdc, None)
sdc1 = self.newDevice(device_class=PartitionDevice,
name="sdc1", size=100000, parents=[sdc],
exists=True)
sdc1_format = self.newFormat("ext2", device=sdc1.path, mountpoint="/")
create_sdc1_format = ActionCreateFormat(sdc1, sdc1_format)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
create_sdc1_format)
sdc1_format.exists = True
migrate_sdc1 = ActionMigrateFormat(sdc1)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
migrate_sdc1)
migrate_sdc1.cancel()
resize_sdc1_format = ActionResizeFormat(sdc1, sdc1.size - 10000)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
resize_sdc1_format)
resize_sdc1 = ActionResizeDevice(sdc1, sdc1.size - 10000)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
resize_sdc1)
resize_sdc1.cancel()
resize_sdc1_format.cancel()
destroy_sdc1_format = ActionDestroyFormat(sdc1)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
destroy_sdc1_format)
destroy_sdc1 = ActionDestroyDevice(sdc1)
self.failUnlessRaises(storage.errors.DeviceTreeError,
self.storage.devicetree.registerAction,
resize_sdc1)
# registering a device destroy action should cause the device to be
# removed from the devicetree
lv_root = self.storage.devicetree.getDeviceByName("VolGroup-lv_root")
self.assertNotEqual(lv_root, None)
a = ActionDestroyDevice(lv_root)
self.storage.devicetree.registerAction(a)
lv_root = self.storage.devicetree.getDeviceByName("VolGroup-lv_root")
self.assertEqual(lv_root, None)
self.storage.devicetree.cancelAction(a)
# registering a device create action should cause the device to be
# added to the devicetree
sdd = self.storage.devicetree.getDeviceByName("sdd")
self.assertNotEqual(sdd, None)
sdd1 = self.storage.devicetree.getDeviceByName("sdd1")
self.assertEqual(sdd1, None)
sdd1 = self.newDevice(device_class=PartitionDevice,
name="sdd1", size=100000, parents=[sdd])
a = ActionCreateDevice(sdd1)
self.storage.devicetree.registerAction(a)
sdd1 = self.storage.devicetree.getDeviceByName("sdd1")
self.assertNotEqual(sdd1, None)