def _check_if_tmp_folder_exists():
# Copy the contents of the VM that were there just before the
# snapshot was taken
ds_ref_ret = vim_util.get_dynamic_property(self._session._get_vim(), vm_ref, "VirtualMachine", "datastore")
if not ds_ref_ret:
raise exception.DatastoreNotFound()
ds_ref = ds_ref_ret.ManagedObjectReference[0]
ds_browser = vim_util.get_dynamic_property(self._session._get_vim(), ds_ref, "Datastore", "browser")
# Check if the vmware-tmp folder exists or not. If not, create one
tmp_folder_path = vm_util.build_datastore_path(datastore_name, "vmware-tmp")
if not self._path_exists(ds_browser, tmp_folder_path):
self._mkdir(vm_util.build_datastore_path(datastore_name, "vmware-tmp"))
def _check_if_tmp_folder_exists():
# Copy the contents of the VM that were there just before the
# snapshot was taken
ds_ref_ret = vim_util.get_dynamic_property(
self._session._get_vim(), vm_ref, "VirtualMachine",
"datastore")
if not ds_ref_ret:
raise exception.DatastoreNotFound()
ds_ref = ds_ref_ret.ManagedObjectReference[0]
ds_browser = vim_util.get_dynamic_property(
self._session._get_vim(), ds_ref, "Datastore", "browser")
# Check if the vmware-tmp folder exists or not. If not, create one
tmp_folder_path = vm_util.build_datastore_path(
datastore_name, "vmware-tmp")
if not self._path_exists(ds_browser, tmp_folder_path):
self._mkdir(
vm_util.build_datastore_path(datastore_name, "vmware-tmp"))
def _setup_create_cache_mocks(self):
ops = vmops.VMwareVMOps(mock.Mock(), mock.Mock(), mock.Mock())
base_name = ops._base_folder
ds_name = "datastore"
ds_ref = mock.Mock()
path = vm_util.build_datastore_path(ds_name, base_name)
ops._mkdir = mock.Mock()
return ds_name, ds_ref, ops, path
def _setup_create_cache_mocks(self):
ops = vmops.VMwareVMOps(mock.Mock(), mock.Mock(), mock.Mock())
base_name = ops._base_folder
ds_name = "datastore"
ds_ref = mock.Mock()
path = vm_util.build_datastore_path(ds_name, base_name)
ops._mkdir = mock.Mock()
return ds_name, ds_ref, ops, path
def spawn(self, context, instance, network_info):
"""
Creates a VM instance.
Steps followed are:
1. Create a VM with no disk and the specifics in the instance object
like RAM size.
2. Create a dummy vmdk of the size of the disk file that is to be
uploaded. This is required just to create the metadata file.
3. Delete the -flat.vmdk file created in the above step and retain
the metadata .vmdk file.
4. Upload the disk file.
5. Attach the disk to the VM by reconfiguring the same.
6. Power on the VM.
"""
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref:
raise exception.InstanceExists(name=instance.name)
client_factory = self._session._get_vim().client.factory
service_content = self._session._get_vim().get_service_content()
def _get_datastore_ref():
"""Get the datastore list and choose the first local storage."""
data_stores = self._session._call_method(vim_util, "get_objects",
"Datastore", ["summary.type", "summary.name"])
for elem in data_stores:
ds_name = None
ds_type = None
for prop in elem.propSet:
if prop.name == "summary.type":
ds_type = prop.val
elif prop.name == "summary.name":
ds_name = prop.val
# Local storage identifier
if ds_type == "VMFS":
data_store_name = ds_name
return data_store_name
if data_store_name is None:
msg = _("Couldn't get a local Datastore reference")
LOG.exception(msg)
raise exception.Error(msg)
data_store_name = _get_datastore_ref()
def _get_image_properties():
"""
Get the Size of the flat vmdk file that is there on the storage
repository.
"""
image_size, image_properties = \
vmware_images.get_vmdk_size_and_properties(context,
instance.image_ref, instance)
vmdk_file_size_in_kb = int(image_size) / 1024
os_type = image_properties.get("vmware_ostype", "otherGuest")
adapter_type = image_properties.get("vmware_adaptertype",
"lsiLogic")
return vmdk_file_size_in_kb, os_type, adapter_type
vmdk_file_size_in_kb, os_type, adapter_type = _get_image_properties()
def _get_vmfolder_and_res_pool_mors():
"""Get the Vm folder ref from the datacenter."""
dc_objs = self._session._call_method(vim_util, "get_objects",
"Datacenter", ["vmFolder"])
# There is only one default datacenter in a standalone ESX host
vm_folder_mor = dc_objs[0].propSet[0].val
# Get the resource pool. Taking the first resource pool coming our
# way. Assuming that is the default resource pool.
res_pool_mor = self._session._call_method(vim_util, "get_objects",
"ResourcePool")[0].obj
return vm_folder_mor, res_pool_mor
vm_folder_mor, res_pool_mor = _get_vmfolder_and_res_pool_mors()
def _check_if_network_bridge_exists(network_name):
network_ref = \
network_utils.get_network_with_the_name(self._session,
network_name)
if network_ref is None:
raise exception.NetworkNotFoundForBridge(bridge=network_name)
return network_ref
def _get_vif_infos():
vif_infos = []
for (network, mapping) in network_info:
mac_address = mapping['mac']
network_name = network['bridge']
if mapping.get('should_create_vlan'):
network_ref = self._vif_driver.ensure_vlan_bridge(
self._session, network)
else:
network_ref = _check_if_network_bridge_exists(network_name)
vif_infos.append({'network_name': network_name,
'mac_address': mac_address,
'network_ref': network_ref,
})
return vif_infos
vif_infos = _get_vif_infos()
# Get the create vm config spec
config_spec = vm_util.get_vm_create_spec(
client_factory, instance,
data_store_name, vif_infos, os_type)
def _execute_create_vm():
"""Create VM on ESX host."""
LOG.debug(_("Creating VM with the name %s on the ESX host") %
instance.name)
# Create the VM on the ESX host
vm_create_task = self._session._call_method(
self._session._get_vim(),
"CreateVM_Task", vm_folder_mor,
config=config_spec, pool=res_pool_mor)
self._session._wait_for_task(instance.id, vm_create_task)
LOG.debug(_("Created VM with the name %s on the ESX host") %
instance.name)
_execute_create_vm()
# Set the machine.id parameter of the instance to inject
# the NIC configuration inside the VM
if FLAGS.flat_injected:
self._set_machine_id(client_factory, instance, network_info)
# Naming the VM files in correspondence with the VM instance name
# The flat vmdk file name
flat_uploaded_vmdk_name = "%s/%s-flat.vmdk" % (instance.name,
instance.name)
# The vmdk meta-data file
uploaded_vmdk_name = "%s/%s.vmdk" % (instance.name, instance.name)
flat_uploaded_vmdk_path = vm_util.build_datastore_path(data_store_name,
flat_uploaded_vmdk_name)
uploaded_vmdk_path = vm_util.build_datastore_path(data_store_name,
uploaded_vmdk_name)
def _create_virtual_disk():
"""Create a virtual disk of the size of flat vmdk file."""
# Create a Virtual Disk of the size of the flat vmdk file. This is
# done just to generate the meta-data file whose specifics
# depend on the size of the disk, thin/thick provisioning and the
# storage adapter type.
# Here we assume thick provisioning and lsiLogic for the adapter
# type
LOG.debug(_("Creating Virtual Disk of size "
"%(vmdk_file_size_in_kb)s KB and adapter type "
"%(adapter_type)s on the ESX host local store"
" %(data_store_name)s") %
{"vmdk_file_size_in_kb": vmdk_file_size_in_kb,
"adapter_type": adapter_type,
"data_store_name": data_store_name})
vmdk_create_spec = vm_util.get_vmdk_create_spec(client_factory,
vmdk_file_size_in_kb, adapter_type)
vmdk_create_task = self._session._call_method(
self._session._get_vim(),
"CreateVirtualDisk_Task",
service_content.virtualDiskManager,
name=uploaded_vmdk_path,
datacenter=self._get_datacenter_name_and_ref()[0],
spec=vmdk_create_spec)
self._session._wait_for_task(instance.id, vmdk_create_task)
LOG.debug(_("Created Virtual Disk of size %(vmdk_file_size_in_kb)s"
" KB on the ESX host local store "
"%(data_store_name)s") %
{"vmdk_file_size_in_kb": vmdk_file_size_in_kb,
"data_store_name": data_store_name})
_create_virtual_disk()
def _delete_disk_file():
LOG.debug(_("Deleting the file %(flat_uploaded_vmdk_path)s "
"on the ESX host local"
"store %(data_store_name)s") %
{"flat_uploaded_vmdk_path": flat_uploaded_vmdk_path,
"data_store_name": data_store_name})
# Delete the -flat.vmdk file created. .vmdk file is retained.
vmdk_delete_task = self._session._call_method(
self._session._get_vim(),
"DeleteDatastoreFile_Task",
service_content.fileManager,
name=flat_uploaded_vmdk_path)
self._session._wait_for_task(instance.id, vmdk_delete_task)
LOG.debug(_("Deleted the file %(flat_uploaded_vmdk_path)s on the "
"ESX host local store %(data_store_name)s") %
{"flat_uploaded_vmdk_path": flat_uploaded_vmdk_path,
"data_store_name": data_store_name})
_delete_disk_file()
cookies = self._session._get_vim().client.options.transport.cookiejar
def _fetch_image_on_esx_datastore():
"""Fetch image from Glance to ESX datastore."""
LOG.debug(_("Downloading image file data %(image_ref)s to the ESX "
"data store %(data_store_name)s") %
({'image_ref': instance.image_ref,
'data_store_name': data_store_name}))
# Upload the -flat.vmdk file whose meta-data file we just created
# above
vmware_images.fetch_image(
context,
instance.image_ref,
instance,
host=self._session._host_ip,
data_center_name=self._get_datacenter_name_and_ref()[1],
datastore_name=data_store_name,
cookies=cookies,
file_path=flat_uploaded_vmdk_name)
LOG.debug(_("Downloaded image file data %(image_ref)s to the ESX "
"data store %(data_store_name)s") %
({'image_ref': instance.image_ref,
'data_store_name': data_store_name}))
_fetch_image_on_esx_datastore()
vm_ref = self._get_vm_ref_from_the_name(instance.name)
def _attach_vmdk_to_the_vm():
"""
Attach the vmdk uploaded to the VM. VM reconfigure is done
to do so.
"""
vmdk_attach_config_spec = vm_util.get_vmdk_attach_config_spec(
client_factory,
vmdk_file_size_in_kb, uploaded_vmdk_path,
adapter_type)
LOG.debug(_("Reconfiguring VM instance %s to attach the image "
"disk") % instance.name)
reconfig_task = self._session._call_method(
self._session._get_vim(),
"ReconfigVM_Task", vm_ref,
spec=vmdk_attach_config_spec)
self._session._wait_for_task(instance.id, reconfig_task)
LOG.debug(_("Reconfigured VM instance %s to attach the image "
"disk") % instance.name)
_attach_vmdk_to_the_vm()
def _power_on_vm():
"""Power on the VM."""
LOG.debug(_("Powering on the VM instance %s") % instance.name)
# Power On the VM
power_on_task = self._session._call_method(
self._session._get_vim(),
"PowerOnVM_Task", vm_ref)
self._session._wait_for_task(instance.id, power_on_task)
LOG.debug(_("Powered on the VM instance %s") % instance.name)
_power_on_vm()
def destroy(self, instance, network_info):
"""
Destroy a VM instance. Steps followed are:
1. Power off the VM, if it is in poweredOn state.
2. Un-register a VM.
3. Delete the contents of the folder holding the VM related data.
"""
try:
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
LOG.debug(_("instance - %s not present") % instance.name)
return
lst_properties = ["config.files.vmPathName", "runtime.powerState"]
props = self._session._call_method(vim_util,
"get_object_properties",
None, vm_ref, "VirtualMachine", lst_properties)
pwr_state = None
for elem in props:
vm_config_pathname = None
for prop in elem.propSet:
if prop.name == "runtime.powerState":
pwr_state = prop.val
elif prop.name == "config.files.vmPathName":
vm_config_pathname = prop.val
if vm_config_pathname:
datastore_name, vmx_file_path = \
vm_util.split_datastore_path(vm_config_pathname)
# Power off the VM if it is in PoweredOn state.
if pwr_state == "poweredOn":
LOG.debug(_("Powering off the VM %s") % instance.name)
poweroff_task = self._session._call_method(
self._session._get_vim(),
"PowerOffVM_Task", vm_ref)
self._session._wait_for_task(instance.id, poweroff_task)
LOG.debug(_("Powered off the VM %s") % instance.name)
# Un-register the VM
try:
LOG.debug(_("Unregistering the VM %s") % instance.name)
self._session._call_method(self._session._get_vim(),
"UnregisterVM", vm_ref)
LOG.debug(_("Unregistered the VM %s") % instance.name)
except Exception, excep:
LOG.warn(_("In vmwareapi:vmops:destroy, got this exception"
" while un-registering the VM: %s") % str(excep))
self._unplug_vifs(instance, network_info)
# Delete the folder holding the VM related content on
# the datastore.
try:
dir_ds_compliant_path = vm_util.build_datastore_path(
datastore_name,
os.path.dirname(vmx_file_path))
LOG.debug(_("Deleting contents of the VM %(name)s from "
"datastore %(datastore_name)s") %
({'name': instance.name,
'datastore_name': datastore_name}))
delete_task = self._session._call_method(
self._session._get_vim(),
"DeleteDatastoreFile_Task",
self._session._get_vim().get_service_content().fileManager,
name=dir_ds_compliant_path)
self._session._wait_for_task(instance.id, delete_task)
LOG.debug(_("Deleted contents of the VM %(name)s from "
"datastore %(datastore_name)s") %
({'name': instance.name,
'datastore_name': datastore_name}))
except Exception, excep:
LOG.warn(_("In vmwareapi:vmops:destroy, "
"got this exception while deleting"
" the VM contents from the disk: %s")
% str(excep))
def snapshot(self, context, instance, snapshot_name):
"""
Create snapshot from a running VM instance.
Steps followed are:
1. Get the name of the vmdk file which the VM points to right now.
Can be a chain of snapshots, so we need to know the last in the
chain.
2. Create the snapshot. A new vmdk is created which the VM points to
now. The earlier vmdk becomes read-only.
3. Call CopyVirtualDisk which coalesces the disk chain to form a single
vmdk, rather a .vmdk metadata file and a -flat.vmdk disk data file.
4. Now upload the -flat.vmdk file to the image store.
5. Delete the coalesced .vmdk and -flat.vmdk created.
"""
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
raise exception.InstanceNotFound(instance_id=instance.id)
client_factory = self._session._get_vim().client.factory
service_content = self._session._get_vim().get_service_content()
def _get_vm_and_vmdk_attribs():
# Get the vmdk file name that the VM is pointing to
hardware_devices = self._session._call_method(vim_util,
"get_dynamic_property", vm_ref,
"VirtualMachine", "config.hardware.device")
vmdk_file_path_before_snapshot, adapter_type = \
vm_util.get_vmdk_file_path_and_adapter_type(client_factory,
hardware_devices)
datastore_name = vm_util.split_datastore_path(
vmdk_file_path_before_snapshot)[0]
os_type = self._session._call_method(vim_util,
"get_dynamic_property", vm_ref,
"VirtualMachine", "summary.config.guestId")
return (vmdk_file_path_before_snapshot, adapter_type,
datastore_name, os_type)
vmdk_file_path_before_snapshot, adapter_type, datastore_name,\
os_type = _get_vm_and_vmdk_attribs()
def _create_vm_snapshot():
# Create a snapshot of the VM
LOG.debug(_("Creating Snapshot of the VM instance %s ") %
instance.name)
snapshot_task = self._session._call_method(
self._session._get_vim(),
"CreateSnapshot_Task", vm_ref,
name="%s-snapshot" % instance.name,
description="Taking Snapshot of the VM",
memory=True,
quiesce=True)
self._session._wait_for_task(instance.id, snapshot_task)
LOG.debug(_("Created Snapshot of the VM instance %s ") %
instance.name)
_create_vm_snapshot()
def _check_if_tmp_folder_exists():
# Copy the contents of the VM that were there just before the
# snapshot was taken
ds_ref_ret = vim_util.get_dynamic_property(
self._session._get_vim(),
vm_ref,
"VirtualMachine",
"datastore")
if not ds_ref_ret:
raise exception.DatastoreNotFound()
ds_ref = ds_ref_ret.ManagedObjectReference[0]
ds_browser = vim_util.get_dynamic_property(
self._session._get_vim(),
ds_ref,
"Datastore",
"browser")
# Check if the vmware-tmp folder exists or not. If not, create one
tmp_folder_path = vm_util.build_datastore_path(datastore_name,
"vmware-tmp")
if not self._path_exists(ds_browser, tmp_folder_path):
self._mkdir(vm_util.build_datastore_path(datastore_name,
"vmware-tmp"))
_check_if_tmp_folder_exists()
# Generate a random vmdk file name to which the coalesced vmdk content
# will be copied to. A random name is chosen so that we don't have
# name clashes.
random_name = str(uuid.uuid4())
dest_vmdk_file_location = vm_util.build_datastore_path(datastore_name,
"vmware-tmp/%s.vmdk" % random_name)
dc_ref = self._get_datacenter_name_and_ref()[0]
def _copy_vmdk_content():
# Copy the contents of the disk ( or disks, if there were snapshots
# done earlier) to a temporary vmdk file.
copy_spec = vm_util.get_copy_virtual_disk_spec(client_factory,
adapter_type)
LOG.debug(_("Copying disk data before snapshot of the VM "
" instance %s") % instance.name)
copy_disk_task = self._session._call_method(
self._session._get_vim(),
"CopyVirtualDisk_Task",
service_content.virtualDiskManager,
sourceName=vmdk_file_path_before_snapshot,
sourceDatacenter=dc_ref,
destName=dest_vmdk_file_location,
destDatacenter=dc_ref,
destSpec=copy_spec,
force=False)
self._session._wait_for_task(instance.id, copy_disk_task)
LOG.debug(_("Copied disk data before snapshot of the VM "
"instance %s") % instance.name)
_copy_vmdk_content()
cookies = self._session._get_vim().client.options.transport.cookiejar
def _upload_vmdk_to_image_repository():
# Upload the contents of -flat.vmdk file which has the disk data.
LOG.debug(_("Uploading image %s") % snapshot_name)
vmware_images.upload_image(
context,
snapshot_name,
instance,
os_type=os_type,
adapter_type=adapter_type,
image_version=1,
host=self._session._host_ip,
data_center_name=self._get_datacenter_name_and_ref()[1],
datastore_name=datastore_name,
cookies=cookies,
file_path="vmware-tmp/%s-flat.vmdk" % random_name)
LOG.debug(_("Uploaded image %s") % snapshot_name)
_upload_vmdk_to_image_repository()
def _clean_temp_data():
"""
Delete temporary vmdk files generated in image handling
operations.
"""
# Delete the temporary vmdk created above.
LOG.debug(_("Deleting temporary vmdk file %s")
% dest_vmdk_file_location)
remove_disk_task = self._session._call_method(
self._session._get_vim(),
"DeleteVirtualDisk_Task",
service_content.virtualDiskManager,
name=dest_vmdk_file_location,
datacenter=dc_ref)
self._session._wait_for_task(instance.id, remove_disk_task)
LOG.debug(_("Deleted temporary vmdk file %s")
% dest_vmdk_file_location)
_clean_temp_data()
def spawn(self, context, instance, image_meta, network_info):
"""
Creates a VM instance.
Steps followed are:
1. Create a VM with no disk and the specifics in the instance object
like RAM size.
2. Create a dummy vmdk of the size of the disk file that is to be
uploaded. This is required just to create the metadata file.
3. Delete the -flat.vmdk file created in the above step and retain
the metadata .vmdk file.
4. Upload the disk file.
5. Attach the disk to the VM by reconfiguring the same.
6. Power on the VM.
"""
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref:
raise exception.InstanceExists(name=instance.name)
client_factory = self._session._get_vim().client.factory
service_content = self._session._get_vim().get_service_content()
def _get_datastore_ref():
"""Get the datastore list and choose the first local storage."""
data_stores = self._session._call_method(
vim_util, "get_objects", "Datastore",
["summary.type", "summary.name"])
for elem in data_stores:
ds_name = None
ds_type = None
for prop in elem.propSet:
if prop.name == "summary.type":
ds_type = prop.val
elif prop.name == "summary.name":
ds_name = prop.val
# Local storage identifier
if ds_type == "VMFS":
data_store_name = ds_name
return data_store_name
if data_store_name is None:
msg = _("Couldn't get a local Datastore reference")
LOG.exception(msg)
raise exception.Error(msg)
data_store_name = _get_datastore_ref()
def _get_image_properties():
"""
Get the Size of the flat vmdk file that is there on the storage
repository.
"""
image_size, image_properties = \
vmware_images.get_vmdk_size_and_properties(context,
instance.image_ref, instance)
vmdk_file_size_in_kb = int(image_size) / 1024
os_type = image_properties.get("vmware_ostype", "otherGuest")
adapter_type = image_properties.get("vmware_adaptertype",
"lsiLogic")
return vmdk_file_size_in_kb, os_type, adapter_type
vmdk_file_size_in_kb, os_type, adapter_type = _get_image_properties()
def _get_vmfolder_and_res_pool_mors():
"""Get the Vm folder ref from the datacenter."""
dc_objs = self._session._call_method(vim_util, "get_objects",
"Datacenter", ["vmFolder"])
# There is only one default datacenter in a standalone ESX host
vm_folder_mor = dc_objs[0].propSet[0].val
# Get the resource pool. Taking the first resource pool coming our
# way. Assuming that is the default resource pool.
res_pool_mor = self._session._call_method(vim_util, "get_objects",
"ResourcePool")[0].obj
return vm_folder_mor, res_pool_mor
vm_folder_mor, res_pool_mor = _get_vmfolder_and_res_pool_mors()
def _check_if_network_bridge_exists(network_name):
network_ref = \
network_utils.get_network_with_the_name(self._session,
network_name)
if network_ref is None:
raise exception.NetworkNotFoundForBridge(bridge=network_name)
return network_ref
def _get_vif_infos():
vif_infos = []
for (network, mapping) in network_info:
mac_address = mapping['mac']
network_name = network['bridge']
if mapping.get('should_create_vlan'):
network_ref = self._vif_driver.ensure_vlan_bridge(
self._session, network)
else:
network_ref = _check_if_network_bridge_exists(network_name)
vif_infos.append({
'network_name': network_name,
'mac_address': mac_address,
'network_ref': network_ref,
})
return vif_infos
vif_infos = _get_vif_infos()
# Get the create vm config spec
config_spec = vm_util.get_vm_create_spec(client_factory, instance,
data_store_name, vif_infos,
os_type)
def _execute_create_vm():
"""Create VM on ESX host."""
LOG.debug(
_("Creating VM with the name %s on the ESX host") %
instance.name)
# Create the VM on the ESX host
vm_create_task = self._session._call_method(
self._session._get_vim(),
"CreateVM_Task",
vm_folder_mor,
config=config_spec,
pool=res_pool_mor)
self._session._wait_for_task(instance.id, vm_create_task)
LOG.debug(
_("Created VM with the name %s on the ESX host") %
instance.name)
_execute_create_vm()
# Set the machine.id parameter of the instance to inject
# the NIC configuration inside the VM
if FLAGS.flat_injected:
self._set_machine_id(client_factory, instance, network_info)
# Naming the VM files in correspondence with the VM instance name
# The flat vmdk file name
flat_uploaded_vmdk_name = "%s/%s-flat.vmdk" % (instance.name,
instance.name)
# The vmdk meta-data file
uploaded_vmdk_name = "%s/%s.vmdk" % (instance.name, instance.name)
flat_uploaded_vmdk_path = vm_util.build_datastore_path(
data_store_name, flat_uploaded_vmdk_name)
uploaded_vmdk_path = vm_util.build_datastore_path(
data_store_name, uploaded_vmdk_name)
def _create_virtual_disk():
"""Create a virtual disk of the size of flat vmdk file."""
# Create a Virtual Disk of the size of the flat vmdk file. This is
# done just to generate the meta-data file whose specifics
# depend on the size of the disk, thin/thick provisioning and the
# storage adapter type.
# Here we assume thick provisioning and lsiLogic for the adapter
# type
LOG.debug(
_("Creating Virtual Disk of size "
"%(vmdk_file_size_in_kb)s KB and adapter type "
"%(adapter_type)s on the ESX host local store"
" %(data_store_name)s") % {
"vmdk_file_size_in_kb": vmdk_file_size_in_kb,
"adapter_type": adapter_type,
"data_store_name": data_store_name
})
vmdk_create_spec = vm_util.get_vmdk_create_spec(
client_factory, vmdk_file_size_in_kb, adapter_type)
vmdk_create_task = self._session._call_method(
self._session._get_vim(),
"CreateVirtualDisk_Task",
service_content.virtualDiskManager,
name=uploaded_vmdk_path,
datacenter=self._get_datacenter_name_and_ref()[0],
spec=vmdk_create_spec)
self._session._wait_for_task(instance.id, vmdk_create_task)
LOG.debug(
_("Created Virtual Disk of size %(vmdk_file_size_in_kb)s"
" KB on the ESX host local store "
"%(data_store_name)s") % {
"vmdk_file_size_in_kb": vmdk_file_size_in_kb,
"data_store_name": data_store_name
})
_create_virtual_disk()
def _delete_disk_file():
LOG.debug(
_("Deleting the file %(flat_uploaded_vmdk_path)s "
"on the ESX host local"
"store %(data_store_name)s") % {
"flat_uploaded_vmdk_path": flat_uploaded_vmdk_path,
"data_store_name": data_store_name
})
# Delete the -flat.vmdk file created. .vmdk file is retained.
vmdk_delete_task = self._session._call_method(
self._session._get_vim(),
"DeleteDatastoreFile_Task",
service_content.fileManager,
name=flat_uploaded_vmdk_path)
self._session._wait_for_task(instance.id, vmdk_delete_task)
LOG.debug(
_("Deleted the file %(flat_uploaded_vmdk_path)s on the "
"ESX host local store %(data_store_name)s") % {
"flat_uploaded_vmdk_path": flat_uploaded_vmdk_path,
"data_store_name": data_store_name
})
_delete_disk_file()
cookies = self._session._get_vim().client.options.transport.cookiejar
def _fetch_image_on_esx_datastore():
"""Fetch image from Glance to ESX datastore."""
LOG.debug(
_("Downloading image file data %(image_ref)s to the ESX "
"data store %(data_store_name)s") %
({
'image_ref': instance.image_ref,
'data_store_name': data_store_name
}))
# Upload the -flat.vmdk file whose meta-data file we just created
# above
vmware_images.fetch_image(
context,
instance.image_ref,
instance,
host=self._session._host_ip,
data_center_name=self._get_datacenter_name_and_ref()[1],
datastore_name=data_store_name,
cookies=cookies,
file_path=flat_uploaded_vmdk_name)
LOG.debug(
_("Downloaded image file data %(image_ref)s to the ESX "
"data store %(data_store_name)s") %
({
'image_ref': instance.image_ref,
'data_store_name': data_store_name
}))
_fetch_image_on_esx_datastore()
vm_ref = self._get_vm_ref_from_the_name(instance.name)
def _attach_vmdk_to_the_vm():
"""
Attach the vmdk uploaded to the VM. VM reconfigure is done
to do so.
"""
vmdk_attach_config_spec = vm_util.get_vmdk_attach_config_spec(
client_factory, vmdk_file_size_in_kb, uploaded_vmdk_path,
adapter_type)
LOG.debug(
_("Reconfiguring VM instance %s to attach the image "
"disk") % instance.name)
reconfig_task = self._session._call_method(
self._session._get_vim(),
"ReconfigVM_Task",
vm_ref,
spec=vmdk_attach_config_spec)
self._session._wait_for_task(instance.id, reconfig_task)
LOG.debug(
_("Reconfigured VM instance %s to attach the image "
"disk") % instance.name)
_attach_vmdk_to_the_vm()
def _power_on_vm():
"""Power on the VM."""
LOG.debug(_("Powering on the VM instance %s") % instance.name)
# Power On the VM
power_on_task = self._session._call_method(
self._session._get_vim(), "PowerOnVM_Task", vm_ref)
self._session._wait_for_task(instance.id, power_on_task)
LOG.debug(_("Powered on the VM instance %s") % instance.name)
_power_on_vm()
def destroy(self, instance, network_info):
"""
Destroy a VM instance. Steps followed are:
1. Power off the VM, if it is in poweredOn state.
2. Un-register a VM.
3. Delete the contents of the folder holding the VM related data.
"""
try:
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
LOG.debug(_("instance - %s not present") % instance.name)
return
lst_properties = ["config.files.vmPathName", "runtime.powerState"]
props = self._session._call_method(vim_util,
"get_object_properties", None,
vm_ref, "VirtualMachine",
lst_properties)
pwr_state = None
for elem in props:
vm_config_pathname = None
for prop in elem.propSet:
if prop.name == "runtime.powerState":
pwr_state = prop.val
elif prop.name == "config.files.vmPathName":
vm_config_pathname = prop.val
if vm_config_pathname:
datastore_name, vmx_file_path = \
vm_util.split_datastore_path(vm_config_pathname)
# Power off the VM if it is in PoweredOn state.
if pwr_state == "poweredOn":
LOG.debug(_("Powering off the VM %s") % instance.name)
poweroff_task = self._session._call_method(
self._session._get_vim(), "PowerOffVM_Task", vm_ref)
self._session._wait_for_task(instance.id, poweroff_task)
LOG.debug(_("Powered off the VM %s") % instance.name)
# Un-register the VM
try:
LOG.debug(_("Unregistering the VM %s") % instance.name)
self._session._call_method(self._session._get_vim(),
"UnregisterVM", vm_ref)
LOG.debug(_("Unregistered the VM %s") % instance.name)
except Exception, excep:
LOG.warn(
_("In vmwareapi:vmops:destroy, got this exception"
" while un-registering the VM: %s") % str(excep))
self._unplug_vifs(instance, network_info)
# Delete the folder holding the VM related content on
# the datastore.
try:
dir_ds_compliant_path = vm_util.build_datastore_path(
datastore_name, os.path.dirname(vmx_file_path))
LOG.debug(
_("Deleting contents of the VM %(name)s from "
"datastore %(datastore_name)s") %
({
'name': instance.name,
'datastore_name': datastore_name
}))
delete_task = self._session._call_method(
self._session._get_vim(),
"DeleteDatastoreFile_Task",
self._session._get_vim().get_service_content().fileManager,
name=dir_ds_compliant_path)
self._session._wait_for_task(instance.id, delete_task)
LOG.debug(
_("Deleted contents of the VM %(name)s from "
"datastore %(datastore_name)s") %
({
'name': instance.name,
'datastore_name': datastore_name
}))
except Exception, excep:
LOG.warn(
_("In vmwareapi:vmops:destroy, "
"got this exception while deleting"
" the VM contents from the disk: %s") % str(excep))
def snapshot(self, context, instance, snapshot_name):
"""
Create snapshot from a running VM instance.
Steps followed are:
1. Get the name of the vmdk file which the VM points to right now.
Can be a chain of snapshots, so we need to know the last in the
chain.
2. Create the snapshot. A new vmdk is created which the VM points to
now. The earlier vmdk becomes read-only.
3. Call CopyVirtualDisk which coalesces the disk chain to form a single
vmdk, rather a .vmdk metadata file and a -flat.vmdk disk data file.
4. Now upload the -flat.vmdk file to the image store.
5. Delete the coalesced .vmdk and -flat.vmdk created.
"""
vm_ref = self._get_vm_ref_from_the_name(instance.name)
if vm_ref is None:
raise exception.InstanceNotFound(instance_id=instance.id)
client_factory = self._session._get_vim().client.factory
service_content = self._session._get_vim().get_service_content()
def _get_vm_and_vmdk_attribs():
# Get the vmdk file name that the VM is pointing to
hardware_devices = self._session._call_method(
vim_util, "get_dynamic_property", vm_ref, "VirtualMachine",
"config.hardware.device")
vmdk_file_path_before_snapshot, adapter_type = \
vm_util.get_vmdk_file_path_and_adapter_type(client_factory,
hardware_devices)
datastore_name = vm_util.split_datastore_path(
vmdk_file_path_before_snapshot)[0]
os_type = self._session._call_method(vim_util,
"get_dynamic_property",
vm_ref, "VirtualMachine",
"summary.config.guestId")
return (vmdk_file_path_before_snapshot, adapter_type,
datastore_name, os_type)
vmdk_file_path_before_snapshot, adapter_type, datastore_name,\
os_type = _get_vm_and_vmdk_attribs()
def _create_vm_snapshot():
# Create a snapshot of the VM
LOG.debug(
_("Creating Snapshot of the VM instance %s ") % instance.name)
snapshot_task = self._session._call_method(
self._session._get_vim(),
"CreateSnapshot_Task",
vm_ref,
name="%s-snapshot" % instance.name,
description="Taking Snapshot of the VM",
memory=True,
quiesce=True)
self._session._wait_for_task(instance.id, snapshot_task)
LOG.debug(
_("Created Snapshot of the VM instance %s ") % instance.name)
_create_vm_snapshot()
def _check_if_tmp_folder_exists():
# Copy the contents of the VM that were there just before the
# snapshot was taken
ds_ref_ret = vim_util.get_dynamic_property(
self._session._get_vim(), vm_ref, "VirtualMachine",
"datastore")
if not ds_ref_ret:
raise exception.DatastoreNotFound()
ds_ref = ds_ref_ret.ManagedObjectReference[0]
ds_browser = vim_util.get_dynamic_property(
self._session._get_vim(), ds_ref, "Datastore", "browser")
# Check if the vmware-tmp folder exists or not. If not, create one
tmp_folder_path = vm_util.build_datastore_path(
datastore_name, "vmware-tmp")
if not self._path_exists(ds_browser, tmp_folder_path):
self._mkdir(
vm_util.build_datastore_path(datastore_name, "vmware-tmp"))
_check_if_tmp_folder_exists()
# Generate a random vmdk file name to which the coalesced vmdk content
# will be copied to. A random name is chosen so that we don't have
# name clashes.
random_name = str(uuid.uuid4())
dest_vmdk_file_location = vm_util.build_datastore_path(
datastore_name, "vmware-tmp/%s.vmdk" % random_name)
dc_ref = self._get_datacenter_name_and_ref()[0]
def _copy_vmdk_content():
# Copy the contents of the disk ( or disks, if there were snapshots
# done earlier) to a temporary vmdk file.
copy_spec = vm_util.get_copy_virtual_disk_spec(
client_factory, adapter_type)
LOG.debug(
_("Copying disk data before snapshot of the VM "
" instance %s") % instance.name)
copy_disk_task = self._session._call_method(
self._session._get_vim(),
"CopyVirtualDisk_Task",
service_content.virtualDiskManager,
sourceName=vmdk_file_path_before_snapshot,
sourceDatacenter=dc_ref,
destName=dest_vmdk_file_location,
destDatacenter=dc_ref,
destSpec=copy_spec,
force=False)
self._session._wait_for_task(instance.id, copy_disk_task)
LOG.debug(
_("Copied disk data before snapshot of the VM "
"instance %s") % instance.name)
_copy_vmdk_content()
cookies = self._session._get_vim().client.options.transport.cookiejar
def _upload_vmdk_to_image_repository():
# Upload the contents of -flat.vmdk file which has the disk data.
LOG.debug(_("Uploading image %s") % snapshot_name)
vmware_images.upload_image(
context,
snapshot_name,
instance,
os_type=os_type,
adapter_type=adapter_type,
image_version=1,
host=self._session._host_ip,
data_center_name=self._get_datacenter_name_and_ref()[1],
datastore_name=datastore_name,
cookies=cookies,
file_path="vmware-tmp/%s-flat.vmdk" % random_name)
LOG.debug(_("Uploaded image %s") % snapshot_name)
_upload_vmdk_to_image_repository()
def _clean_temp_data():
"""
Delete temporary vmdk files generated in image handling
operations.
"""
# Delete the temporary vmdk created above.
LOG.debug(
_("Deleting temporary vmdk file %s") % dest_vmdk_file_location)
remove_disk_task = self._session._call_method(
self._session._get_vim(),
"DeleteVirtualDisk_Task",
service_content.virtualDiskManager,
name=dest_vmdk_file_location,
datacenter=dc_ref)
self._session._wait_for_task(instance.id, remove_disk_task)
LOG.debug(
_("Deleted temporary vmdk file %s") % dest_vmdk_file_location)
_clean_temp_data()
