mirror of
https://github.com/kevingruesser/bootstrap-vz.git
synced 2025-08-22 18:00:35 +00:00
cc69173e52
This allows to build an image with qcow2 as a disk backend. The update implements a new class that inherits from QEMUVolume and just needs the extention and file format.
49 lines
2.2 KiB
Python
49 lines
2.2 KiB
Python
|
|
|
|
def load_volume(data, bootloader):
|
|
"""Instantiates a volume that corresponds to the data in the manifest
|
|
|
|
:param dict data: The 'volume' section from the manifest
|
|
:param str bootloader: Name of the bootloader the system will boot with
|
|
|
|
:return: The volume that represents all information pertaining to the volume we bootstrap on.
|
|
:rtype: Volume
|
|
"""
|
|
# Map valid partition maps in the manifest and their corresponding classes
|
|
from partitionmaps.gpt import GPTPartitionMap
|
|
from partitionmaps.msdos import MSDOSPartitionMap
|
|
from partitionmaps.none import NoPartitions
|
|
partition_map = {'none': NoPartitions,
|
|
'gpt': GPTPartitionMap,
|
|
'msdos': MSDOSPartitionMap,
|
|
}.get(data['partitions']['type'])
|
|
|
|
# Map valid volume backings in the manifest and their corresponding classes
|
|
from bootstrapvz.common.fs.loopbackvolume import LoopbackVolume
|
|
from bootstrapvz.providers.ec2.ebsvolume import EBSVolume
|
|
from bootstrapvz.common.fs.virtualdiskimage import VirtualDiskImage
|
|
from bootstrapvz.common.fs.virtualharddisk import VirtualHardDisk
|
|
from bootstrapvz.common.fs.virtualmachinedisk import VirtualMachineDisk
|
|
from bootstrapvz.common.fs.folder import Folder
|
|
from bootstrapvz.common.fs.logicalvolume import LogicalVolume
|
|
from bootstrapvz.common.fs.qcow2volume import Qcow2Volume
|
|
volume_backing = {'raw': LoopbackVolume,
|
|
's3': LoopbackVolume,
|
|
'vdi': VirtualDiskImage,
|
|
'vhd': VirtualHardDisk,
|
|
'vmdk': VirtualMachineDisk,
|
|
'ebs': EBSVolume,
|
|
'folder': Folder,
|
|
'lvm': LogicalVolume,
|
|
'qcow2': Qcow2Volume
|
|
}.get(data['backing'])
|
|
|
|
# Instantiate the partition map
|
|
from bootstrapvz.common.bytes import Bytes
|
|
# Only operate with a physical sector size of 512 bytes for now,
|
|
# not sure if we can change that for some of the virtual disks
|
|
sector_size = Bytes('512B')
|
|
partition_map = partition_map(data['partitions'], sector_size, bootloader)
|
|
|
|
# Create the volume with the partition map as an argument
|
|
return volume_backing(partition_map)
|