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#!/usr/bin/env python |
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# Licensed to the StackStorm, Inc ('StackStorm') under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from pyVmomi import vim |
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import sys |
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from vmwarelib import inventory |
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from vmwarelib import checkinputs |
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from vmwarelib.actions import BaseAction |
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class VMAddHDD(BaseAction): |
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def run(self, vm_id, vm_name, datastore_cluster, |
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datastore, disk_size, provision_type): |
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# ensure that minimal inputs are provided |
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checkinputs.one_of_two_strings(vm_id, vm_name, "ID or Name") |
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vm = inventory.get_virtualmachine(self.si_content, vm_id, vm_name) |
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spec = vim.vm.ConfigSpec() |
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hdd_unit_number = self.get_next_unit_number(vm) |
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ctrl_key = self.get_controller_key(vm) |
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# Prepare new Disk configuration |
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disk_changes = [] |
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disk_spec = vim.vm.device.VirtualDeviceSpec() |
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disk_spec.fileOperation = "create" |
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disk_spec.operation = vim.vm.device.VirtualDeviceSpec.Operation.add |
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disk_spec.device = vim.vm.device.VirtualDisk() |
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disk_spec.device.backing =\ |
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vim.vm.device.VirtualDisk.FlatVer2BackingInfo() |
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disk_spec.device.backing.diskMode = "persistent" |
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if provision_type == 'thin': |
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disk_spec.device.backing.thinProvisioned = True |
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disk_spec.device.unitNumber = hdd_unit_number |
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disk_spec.device.capacityInKB = int(disk_size) * 1024 * 1024 |
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disk_spec.device.controllerKey = ctrl_key |
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# If Datastore Cluster is provided attach Disk via that |
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if datastore_cluster: |
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ds_clust_obj = inventory.get_datastore_cluster( |
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self.si_content, name=datastore_cluster) |
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disk_changes.append(disk_spec) |
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spec.deviceChange = disk_changes |
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srm = self.si_content.storageResourceManager |
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storage_placement_spec = self.get_storage_placement_spec( |
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ds_clust_obj, vm, spec) |
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datastores = srm.RecommendDatastores( |
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storageSpec=storage_placement_spec) |
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if not datastores.recommendations: |
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sys.stderr.write('Skipping as No datastore Recommendations') |
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add_disk_task = srm.ApplyStorageDrsRecommendation_Task( |
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datastores.recommendations[0].key) |
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elif datastore: |
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datastore_obj = inventory.get_datastore(self.si_content, |
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name=datastore) |
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disk_spec.device.backing.datastore = datastore_obj |
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disk_changes.append(disk_spec) |
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spec.deviceChange = disk_changes |
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add_disk_task = vm.ReconfigVM_Task(spec) |
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else: |
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disk_changes.append(disk_spec) |
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spec.deviceChange = disk_changes |
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add_disk_task = vm.ReconfigVM_Task(spec) |
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successfully_added_disk = self._wait_for_task(add_disk_task) |
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return {'state': successfully_added_disk} |
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def get_storage_placement_spec(self, ds_clust_obj, vm, vm_reconfig_spec): |
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storage_placement_spec = vim.storageDrs.StoragePlacementSpec() |
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storage_placement_spec.type =\ |
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vim.storageDrs.StoragePlacementSpec.PlacementType.reconfigure |
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storage_placement_spec.configSpec = vm_reconfig_spec |
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storage_placement_spec.podSelectionSpec =\ |
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vim.storageDrs.PodSelectionSpec() |
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storage_placement_spec.vm = vm |
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vm_pod_cfg = vim.storageDrs.PodSelectionSpec.VmPodConfig() |
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vm_pod_cfg.storagePod = ds_clust_obj |
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disk_locator = vim.storageDrs.PodSelectionSpec.DiskLocator() |
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disk_locator.diskBackingInfo =\ |
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vm_reconfig_spec.deviceChange[0].device.backing |
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vm_pod_cfg.disk = [disk_locator] |
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storage_placement_spec.podSelectionSpec.initialVmConfig = [vm_pod_cfg] |
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return storage_placement_spec |
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def get_next_unit_number(self, vm): |
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unit_number = 0 |
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# Cycle though devices on VM and find |
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# entries with attribute "fileName". |
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for device in vm.config.hardware.device: |
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if hasattr(device.backing, 'fileName'): |
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unit_number = int(device.unitNumber) + 1 |
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# unit number 7 is reserved |
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if unit_number == 7: |
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unit_number += 1 |
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return unit_number |
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def get_controller_key(self, vm): |
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# 1000 is the default used for hdd controllers |
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key = 1000 |
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for device in vm.config.hardware.device: |
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if isinstance(device, vim.vm.device.VirtualSCSIController): |
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key = device.key |
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return key |
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