working on comparing checksums

compare_checksums.py

@@ -4,7 +4,6 @@ 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"
@@ -17,6 +16,20 @@ ZFS_ELAB_PREFIX = "elabfs-"
 TMP_BACKUP_FOLDER = "/mnt/Datenspeicher/snap-backup-dataset/temporary-backups"
 
 
+def remote_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), as_text=True, check=True,
+        stdout=subprocess.PIPE,
+        universal_newlines=as_text, shell=True)
+    return result.stdout
+
 
 def get_local_backup_members():
     tmp_folder = pathlib.Path(TMP_BACKUP_FOLDER)

create_snapshot_backup.py

@@ -46,13 +46,7 @@ def remote_call(arguments):
     """
     cmd = ["ssh", "-i", SSH_KEY_FILE, SSH_REMOTE]
     cmd.extend(arguments)
-    try:
+    result = subprocess.run(cmd, as_text=True)
-        result = call(cmd, as_text=True)
-    except subprocess.CalledProcessError as e:
-        print("CMD:", " ".join(e.cmd))
-        print("STDOUT:", e.stdout)
-        print("STDERR:", e.stderr)
-        raise
 
 
 def clean_split(text):