You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.2 KiB
69 lines
2.2 KiB
#!/usr/local/bin/python |
|
|
|
import pathlib |
|
import subprocess |
|
|
|
from copy_snapshots_to_remote import get_member_name |
|
from create_snapshot_backup import call, remote_call |
|
|
|
SSH_KEY_FILE = "/mnt/Datenspeicher/snap-backup-dataset/backup_key" |
|
SSH_REMOTE = "zfs_snap_backup@etha.cpi.imtek.uni-freiburg.de" |
|
|
|
REMOTE_PATH = "zfs-backups" |
|
|
|
ZFS_POOL = "Datenspeicher" |
|
ZFS_ELAB_PREFIX = "elabfs-" |
|
|
|
TMP_BACKUP_FOLDER = "/mnt/Datenspeicher/snap-backup-dataset/temporary-backups" |
|
|
|
|
|
def xremote_call(arguments): |
|
""" makes runs an command on the remote backup server |
|
|
|
:params arguments: list of command line arguments and parameters |
|
:returns: string of the command output |
|
:raises subprocess.CalledProcessError: if command has not an exit value of 0 |
|
""" |
|
cmd = ["ssh", "-i", SSH_KEY_FILE, SSH_REMOTE] |
|
cmd.extend(arguments) |
|
result = subprocess.run(" ".join(cmd), check=True, |
|
stdout=subprocess.PIPE, |
|
universal_newlines=True, shell=True) |
|
return result.stdout |
|
|
|
|
|
def get_local_backups(): |
|
tmp_folder = pathlib.Path(TMP_BACKUP_FOLDER) |
|
return [i for i in tmp_folder.iterdir() if i.suffix==".gz"] |
|
|
|
|
|
def get_remote_checksum(local_backup_path): |
|
member = get_member_name(local_backup_path.name) |
|
remote_path = f"{REMOTE_PATH}/{member}/{local_backup_path.name}" |
|
try: |
|
result = remote_call(["sha256sum", remote_path]) |
|
parts = result.strip().split() |
|
return parts[0].strip() |
|
except subprocess.CalledProcessError as e: |
|
print(f"ERROR: {remote_path} -> {e.stderr}") |
|
return None |
|
|
|
def get_local_checksum(local_backup_path): |
|
result = call(["sha256", str(local_backup_path), as_text=True) |
|
parts = result.split("=") |
|
return parts[1].strip() |
|
|
|
def batch_check() |
|
for local_backup_path in get_local_backups(): |
|
remote_checksum = get_remote_checksum(local_backup_path) |
|
local_checksum = get_local_checksum(local_backup_path) |
|
if remote_checksum is None: |
|
print("? {local_checksum} -> (error)") |
|
elif remote_checksum == local_checksum: |
|
print(" {local_checksum} -> {remote_checksum}") |
|
else |
|
print("XXX {local_checksum} -> {remote_checksum}") |
|
|
|
|
|
if __name__ == "__main__": |
|
batch_check()
|
|
|