rawfile-localpv/remote.py
2020-06-14 05:10:32 +04:30

50 lines
1.1 KiB
Python

from util import remote_fn
@remote_fn
def scrub(volume_id):
import time
import rawfile_util
rawfile_util.patch_metadata(volume_id, {"deleted_at": time.time()})
@remote_fn
def init_rawfile(volume_id, size):
import time
import rawfile_util
from pathlib import Path
from util import run
img_dir = rawfile_util.img_dir(volume_id)
img_dir.mkdir(exist_ok=True)
img_file = Path(f"{img_dir}/disk.img")
if img_file.exists():
return
rawfile_util.patch_metadata(
volume_id,
{
"volume_id": volume_id,
"created_at": time.time(),
"img_file": img_file.as_posix(),
"size": size,
},
)
run(f"truncate -s {size} {img_file}")
run(f"mkfs.ext4 {img_file}")
@remote_fn
def expand_rawfile(volume_id, size):
import rawfile_util
from util import run
img_file = rawfile_util.img_file(volume_id)
if rawfile_util.metadata(volume_id)["size"] >= size:
return
rawfile_util.patch_metadata(
volume_id, {"size": size},
)
run(f"truncate -s {size} {img_file}")