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