def r_resize(uuid, size):
args_rules = [
Rules.UUID.value,
Rules.DISK_SIZE_STR.value
]
try:
ji.Check.previewing(args_rules, {'uuid': uuid, 'size': size})
disk = Disk()
disk.uuid = uuid
disk.get_by('uuid')
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
if disk.size >= int(size):
ret['state'] = ji.Common.exchange_state(41257)
return ret
config = Config()
config.id = 1
config.get()
disk.size = int(size)
disk.quota(config=config)
# 将在事件返回层(models/event_processor.py:224 附近)，更新数据库中 disk 对象
message = {
'_object': 'disk',
'action': 'resize',
'uuid': disk.uuid,
'guest_uuid': disk.guest_uuid,
'storage_mode': config.storage_mode,
'size': disk.size,
'dfs_volume': config.dfs_volume,
'node_id': disk.node_id,
'image_path': disk.path,
'disks': [disk.__dict__],
'passback_parameters': {'size': disk.size}
}
if config.storage_mode in [StorageMode.shared_mount.value, StorageMode.ceph.value,
StorageMode.glusterfs.value]:
message['node_id'] = Host.get_lightest_host()['node_id']
if disk.guest_uuid.__len__() == 36:
message['device_node'] = dev_table[disk.sequence]
Utils.emit_instruction(message=json.dumps(message, ensure_ascii=False))
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
def r_delete(uuids):
args_rules = [
Rules.UUIDS.value
]
try:
ji.Check.previewing(args_rules, {'uuids': uuids})
ret = dict()
ret['state'] = ji.Common.exchange_state(20000)
disk = Disk()
# 检测所指定的 UUDIs 磁盘都存在
for uuid in uuids.split(','):
disk.uuid = uuid
disk.get_by('uuid')
# 判断磁盘是否与虚拟机处于离状态
if disk.state not in [DiskState.idle.value, DiskState.dirty.value]:
ret['state'] = ji.Common.exchange_state(41256)
return ret
config = Config()
config.id = 1
config.get()
# 执行删除操作
for uuid in uuids.split(','):
disk.uuid = uuid
disk.get_by('uuid')
message = {
'_object': 'disk',
'action': 'delete',
'uuid': disk.uuid,
'storage_mode': config.storage_mode,
'dfs_volume': config.dfs_volume,
'node_id': disk.node_id,
'image_path': disk.path
}
if config.storage_mode in [StorageMode.shared_mount.value, StorageMode.ceph.value,
StorageMode.glusterfs.value]:
message['node_id'] = Host.get_lightest_host()['node_id']
Utils.emit_instruction(message=json.dumps(message, ensure_ascii=False))
return ret
except ji.PreviewingError, e:
return json.loads(e.message)
