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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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import sys |
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from pyVmomi import vim |
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from vmwarelib.actions import BaseAction |
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class NewHardDisk(BaseAction): |
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@staticmethod |
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def get_backinginfo_for_existing_disk(disk_path): |
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backing_info = vim.vm.device.VirtualDevice.FileBackingInfo() |
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backing_info.fileName = disk_path |
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return backing_info |
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@staticmethod |
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def get_flatfile_backinginfo(storage_format, persistence): |
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backing_info = vim.vm.device.VirtualDisk.FlatVer2BackingInfo() |
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if storage_format == 'eagerzeroedthick': |
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backing_info.thinProvisioned = False |
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backing_info.eagerlyScrub = True |
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elif storage_format == 'thin': |
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backing_info.thinProvisioned = True |
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elif storage_format == 'thin2gb': |
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backing_info.thinProvisioned = True |
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backing_info.split = True |
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elif storage_format == 'thick': |
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backing_info.thinProvisioned = False |
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elif storage_format == 'thick2gb': |
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backing_info.thinProvisioned = False |
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backing_info.split = True |
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backing_info.diskMode = persistence |
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return backing_info |
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@staticmethod |
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def get_rawfile_backinginfo(device_name, persistence): |
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backing_info = vim.vm.device.VirtualDisk.RawDiskMappingVer1BackingInfo() |
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backing_info.deviceName = device_name |
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backing_info.diskMode = persistence |
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return backing_info |
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@staticmethod |
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def get_next_unit_number(vm): |
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unit_number = 0 |
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for dev in vm.config.hardware.device: |
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if isinstance(dev, vim.VirtualDisk): |
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unit_number = int(dev.unitNumber) + 1 |
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# unit_number 7 reserved for scsi controller |
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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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@staticmethod |
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def get_vm_reconfig_spec(vm, datastore, disk_type, storage_format, persistence, disk_path, |
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device_name, capacity_gb): |
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if disk_path: |
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backing_info = NewHardDisk.get_backinginfo_for_existing_disk(disk_path) |
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elif disk_type == 'flat': |
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backing_info = NewHardDisk.get_flatfile_backinginfo(storage_format, persistence) |
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elif disk_type.startswith('raw'): |
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backing_info = NewHardDisk.get_rawfile_backinginfo(device_name, persistence) |
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else: |
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raise Exception("Wrong disk_type and empty disk_path. Either one should be present.") |
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backing_info.datastore = datastore |
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# creating Virtual Disk Device |
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virtual_disk = vim.vm.device.VirtualDisk() |
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virtual_disk.backing = backing_info |
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virtual_disk.capacityInKB = (int(capacity_gb * 1024 * 1024) if disk_path == '' else 0) |
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virtual_disk.controllerKey = 1000 |
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virtual_disk.unitNumber = NewHardDisk.get_next_unit_number(vm) |
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# creating Virtual Device Spec |
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disk_spec = vim.vm.device.VirtualDeviceSpec() |
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if not disk_path: |
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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 = virtual_disk |
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# creating reconfig spec |
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vm_reconfig_spec = vim.vm.ConfigSpec() |
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vm_reconfig_spec.deviceChange = [disk_spec] |
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return vm_reconfig_spec |
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@staticmethod |
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def get_storage_placement_spec(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 = vim.storageDrs.StoragePlacementSpec.\ |
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PlacementType.reconfigure |
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storage_placement_spec.configSpec = vm_reconfig_spec |
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storage_placement_spec.podSelectionSpec = 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 = 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 run(self, vms, persistence='Persistent', disk_type='flat', capacity_gb=1, datastore=None, |
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datastore_cluster=None, device_name=None, disk_path='', storage_format='Thin'): |
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# TODO: 'controller' parameter is missing here. The reason is because we do not support |
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# passing real objects like PowerCli and there is no uuid to find and address the |
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# controller in the system. |
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persistence = persistence.lower() |
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disk_type = disk_type.lower() |
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storage_format = storage_format.lower() |
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si = self.si |
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si_content = si.RetrieveContent() |
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vm_objs = [vim.VirtualMachine(moid, stub=si._stub) for moid in vms] |
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# by checking the name property, the vms' existance is checked. |
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[vm_obj.name for vm_obj in vm_objs] |
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datastore_obj = None |
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if datastore: |
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datastore_obj = vim.Datastore(datastore, stub=si._stub) |
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# by checking the name property, the vms' existance is checked. |
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datastore_obj.name |
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result = [] |
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if datastore_cluster: |
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ds_clust_obj = vim.StoragePod(datastore_cluster, stub=si._stub) |
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# by retrieving the name property, the existance is checked. |
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ds_clust_obj.name |
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srm = si_content.storageResourceManager |
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for vm in vm_objs: |
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vm_reconfig_spec = NewHardDisk.get_vm_reconfig_spec(vm, datastore_obj, disk_type, |
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storage_format, persistence, disk_path, device_name, capacity_gb) |
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storage_placement_spec = NewHardDisk.get_storage_placement_spec(ds_clust_obj, vm, |
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vm_reconfig_spec) |
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datastores = srm.RecommendDatastores(storageSpec=storage_placement_spec) |
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if not datastores.recommendations: |
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sys.stderr.write('Skipping %s as there is no datastore recommendation' % |
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vm.obj._GetMoId()) |
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add_disk_task = srm.ApplyStorageDrsRecommendation_Task( |
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datastores.recommendations[0].key) |
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successfully_added_disk = self._wait_for_task(add_disk_task) |
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result.append({ |
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"vm_moid": vm._GetMoId(), |
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"success": successfully_added_disk |
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}) |
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else: |
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for vm in vm_objs: |
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vm_reconfig_spec = NewHardDisk.get_vm_reconfig_spec(vm, datastore_obj, disk_type, |
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storage_format, persistence, disk_path, device_name, capacity_gb) |
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add_disk_task = vm.ReconfigVM_Task(spec=vm_reconfig_spec) |
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successfully_added_disk = self._wait_for_task(add_disk_task) |
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result.append({ |
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"vm_moid": vm._GetMoId(), |
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"success": successfully_added_disk |
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}) |
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return result |
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StackStorm /
st2contrib
