def test_get_linked_clone_image_path(self):
image_path = self.vm_manager.get_linked_clone_image_path
# VM not found
vm = MagicMock(return_value=None)
self.vm_manager.vim_client.get_vm_in_cache = vm
assert_that(image_path("vm1"), is_(None))
# disks is None
vm = MagicMock(return_value=VmCache(disks=None))
self.vm_manager.vim_client.get_vm_in_cache = vm
assert_that(image_path("vm1"), is_(None))
# disks is an empty list
vm = MagicMock(return_value=VmCache(disks=[]))
self.vm_manager.vim_client.get_vm_in_cache = vm
assert_that(image_path("vm1"), is_(None))
# no image disk
vm = MagicMock(return_value=VmCache(disks=["a", "b", "c"]))
self.vm_manager.vim_client.get_vm_in_cache = vm
assert_that(image_path("vm1"), is_(None))
# image found
image = "[ds1] image_ttylinux/ttylinux.vmdk"
vm = MagicMock(return_value=VmCache(disks=["a", "b", image]))
self.vm_manager.vim_client.get_vm_in_cache = vm
assert_that(image_path("vm1"), is_(datastore_to_os_path(image)))
def test_get_resources(self):
"""
Test that get_resources excludes VMs/disks if it can't find their
corresponding datastore UUIDs.
"""
self.vm_manager.vim_client.get_vms_in_cache = MagicMock(return_value=[
VmCache(path="vm_path_a", disks=["disk_a", "disk_b", "disk_c"]),
VmCache(path="vm_path_b", disks=["disk_b", "disk_c", "disk_d"]),
VmCache(path="vm_path_c", disks=["disk_c", "disk_d", "disk_e"]),
])
def normalize(name):
if name == "vm_path_b" or name == "disk_b":
raise DatastoreNotFoundException()
return name
def mock_get_name(path):
return path
def mock_get_state(power_state):
return State.STOPPED
self.vm_manager._ds_manager.normalize.side_effect = normalize
self.vm_manager._get_datastore_name_from_ds_path = mock_get_name
self.vm_manager._power_state_to_resource_state = mock_get_state
# vm_path_b and disk_b are not included in the get_resources response.
resources = self.vm_manager.get_resources()
assert_that(len(resources), equal_to(2))
assert_that(len(resources[0].disks), equal_to(2))
assert_that(len(resources[1].disks), equal_to(3))
def test_used_memory(self):
self.vm_manager.vim_client.get_vms_in_cache = MagicMock(return_value=[
VmCache(memory_mb=1024),
VmCache(),
VmCache(memory_mb=2048)
])
memory = self.vm_manager.get_used_memory_mb()
self.assertEqual(memory, 2048 + 1024)
def _add_or_modify_vm_cache(self, object):
# Type of object.obj is vim.VirtualMachine. str(object.obj) is moref
# id, something like 'vim.VirtualMachine:1227'. moref id is the unique
# representation of all objects in esx.
if str(object.obj) not in self._vm_cache:
vm = VmCache()
else:
vm = self._vm_cache[str(object.obj)]
for change in object.changeSet:
# We are not interested in ops other than assign.
# Other operations e.g. add/remove/indirectRemove, only appears
# when a property is added/removed. However the changes we
# watched are all static.
if change.op != "assign":
continue
# None value is not updated
if change.val is None:
continue
if change.name == "name":
vm.name = change.val
self._logger.debug("cache update: add vm name %s" % vm.name)
self._vm_name_to_ref[change.val] = str(object.obj)
elif change.name == "runtime.powerState":
vm.power_state = PowerState._NAMES_TO_VALUES[change.val]
elif change.name == "config":
vm.memory_mb = change.val.hardware.memoryMB
vm.num_cpu = change.val.hardware.numCPU
# files is an optional field, which could be None.
if change.val.files:
vm.path = change.val.files.vmPathName
for e in change.val.extraConfig:
if e.key == "photon_controller.vminfo.tenant":
vm.tenant_id = e.value
elif e.key == "photon_controller.vminfo.project":
vm.project_id = e.value
elif change.name == "layout.disk":
disks = []
for disk in change.val:
if disk.diskFile:
for disk_file in disk.diskFile:
disks.append(disk_file)
vm.disks = disks
self._logger.debug("cache update: update vm [%s] => %s" % (str(
object.obj), vm))
if str(object.obj) not in self._vm_cache:
self._vm_cache[str(object.obj)] = vm
def _update_vm_cache(self, object):
# Type of object.obj is vim.VirtualMachine. str(object.obj) is moref
# id, something like 'vim.VirtualMachine:1227'. moref id is the unique
# representation of all objects in esx.
if str(object.obj) not in self._vm_cache:
vm = VmCache()
else:
vm = self._vm_cache[str(object.obj)]
for change in object.changeSet:
# We are not interested in ops other than assign.
# Other operations e.g. add/remove/indirectRemove, only appears
# when a property is added/removed. However the changes we
# watched are all static.
if change.op != "assign":
continue
# None value is not updated
if change.val is None:
continue
if change.name == "name":
vm.name = change.val
self._logger.debug("cache update: add vm name %s" % vm.name)
self._vm_name_to_ref[change.val] = str(object.obj)
elif change.name == "runtime.powerState":
if change.val == "poweredOff":
vm.power_state = VmPowerState.STOPPED
elif change.val == "poweredOn":
vm.power_state = VmPowerState.STARTED
elif change.val == "suspended":
vm.power_state = VmPowerState.SUSPENDED
elif change.name == "config":
vm.memory_mb = change.val.hardware.memoryMB
vm.num_cpu = change.val.hardware.numCPU
vm.location_id = change.val.locationId
# files is an optional field, which could be None.
if change.val.files:
vm.path = change.val.files.vmPathName
elif change.name == "layout.disk":
disks = []
for disk in change.val:
if disk.diskFile:
for disk_file in disk.diskFile:
disks.append(disk_file)
vm.disks = disks
self._logger.debug("cache update: update vm [%s] => %s" % (str(object.obj), vm))
if str(object.obj) not in self._vm_cache:
self._vm_cache[str(object.obj)] = vm
def get_vm_in_cache(self, vm_id):
vm = self._client.GetCachedVm(self._session, vm_id)
return VmCache(name=vm.name,
path=vm.path,
disks=vm.disks,
location_id=vm.location_id,
power_state=vm.power_state,
memory_mb=vm.memoryMB,
num_cpu=vm.nCPU)
def get_vms_in_cache(self):
vms = []
for vm_id in self._client.GetCachedVMs(self._session):
vm = self._client.GetCachedVm(self._session, vm_id)
vms.append(
VmCache(name=vm.name,
path=vm.path,
disks=vm.disks,
location_id=vm.location_id,
power_state=vm.power_state,
memory_mb=vm.memoryMB,
num_cpu=vm.nCPU))
return vms
