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Python VDisk.metadata方法代码示例

本文整理汇总了Python中ovs.dal.hybrids.vdisk.VDisk.metadata方法的典型用法代码示例。如果您正苦于以下问题:Python VDisk.metadata方法的具体用法?Python VDisk.metadata怎么用?Python VDisk.metadata使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ovs.dal.hybrids.vdisk.VDisk的用法示例。


在下文中一共展示了VDisk.metadata方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: update_vmachine_config

# 需要导入模块: from ovs.dal.hybrids.vdisk import VDisk [as 别名]
# 或者: from ovs.dal.hybrids.vdisk.VDisk import metadata [as 别名]
    def update_vmachine_config(vmachine, vm_object, pmachine=None):
        """
        Update a vMachine configuration with a given vMachine configuration
        :param vmachine: Virtual Machine to update
        :param vm_object: New virtual machine info
        :param pmachine: Physical machine of the virtual machine
        """
        try:
            vdisks_synced = 0
            if vmachine.name is None:
                MessageController.fire(MessageController.Type.EVENT,
                                       {'type': 'vmachine_created',
                                        'metadata': {'name': vm_object['name']}})
            elif vmachine.name != vm_object['name']:
                MessageController.fire(MessageController.Type.EVENT,
                                       {'type': 'vmachine_renamed',
                                        'metadata': {'old_name': vmachine.name,
                                                     'new_name': vm_object['name']}})
            if pmachine is not None:
                vmachine.pmachine = pmachine
            vmachine.name = vm_object['name']
            vmachine.hypervisor_id = vm_object['id']
            vmachine.devicename = vm_object['backing']['filename']
            vmachine.save()
            # Updating and linking disks
            storagedrivers = StorageDriverList.get_storagedrivers()
            datastores = dict([('{0}:{1}'.format(storagedriver.storage_ip, storagedriver.mountpoint), storagedriver) for storagedriver in storagedrivers])
            vdisk_guids = []
            mutex = volatile_mutex('{0}_{1}'.format(vmachine.name, vmachine.devicename))
            for disk in vm_object['disks']:
                ensure_safety = False
                if disk['datastore'] in vm_object['datastores']:
                    datastore = vm_object['datastores'][disk['datastore']]
                    if datastore in datastores:
                        try:
                            mutex.acquire(wait=10)
                            vdisk = VDiskList.get_by_devicename_and_vpool(disk['filename'], datastores[datastore].vpool)
                            if vdisk is None:
                                # The disk couldn't be located, but is in our datastore. We might be in a recovery scenario
                                vdisk = VDisk()
                                vdisk.vpool = datastores[datastore].vpool
                                vdisk.reload_client()
                                vdisk.devicename = disk['filename']
                                vdisk.volume_id = vdisk.storagedriver_client.get_volume_id(str(disk['backingfilename']))
                                vdisk.size = vdisk.info['volume_size']
                                vdisk.metadata = {'lba_size': vdisk.info['lba_size'],
                                                  'cluster_multiplier': vdisk.info['cluster_multiplier']}
                                # Create the disk in a locked context, but don't execute long running-task in same context
                                vdisk.save()
                                ensure_safety = True
                        finally:
                            mutex.release()
                        if ensure_safety:
                            MDSServiceController.ensure_safety(vdisk)
                            VDiskController.dtl_checkup(vdisk_guid=vdisk.guid)

                        # Update the disk with information from the hypervisor
                        if vdisk.vmachine is None:
                            MessageController.fire(MessageController.Type.EVENT,
                                                   {'type': 'vdisk_attached',
                                                    'metadata': {'vmachine_name': vmachine.name,
                                                                 'vdisk_name': disk['name']}})
                        vdisk.vmachine = vmachine
                        vdisk.name = disk['name']
                        vdisk.order = disk['order']
                        vdisk.save()
                        vdisk_guids.append(vdisk.guid)
                        vdisks_synced += 1

            for vdisk in vmachine.vdisks:
                if vdisk.guid not in vdisk_guids:
                    MessageController.fire(MessageController.Type.EVENT,
                                           {'type': 'vdisk_detached',
                                            'metadata': {'vmachine_name': vmachine.name,
                                                         'vdisk_name': vdisk.name}})
                    vdisk.vmachine = None
                    vdisk.save()

            VMachineController._logger.info('Updating vMachine finished (name {0}, {1} vdisks (re)linked)'.format(
                vmachine.name, vdisks_synced
            ))
        except Exception as ex:
            VMachineController._logger.info('Error during vMachine update: {0}'.format(str(ex)))
            raise
开发者ID:DarumasLegs,项目名称:framework,代码行数:86,代码来源:vmachine.py


注:本文中的ovs.dal.hybrids.vdisk.VDisk.metadata方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。