norohind/zfs_autobackup
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nicer error output. you can also set autobackup:blah=child now, to only select childeren (recursively) of the dataset

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Edwin Eefting 2019-02-16 00:38:30 +01:00
parent fa405dce57
commit 511311eee7
1 changed files with 23 additions and 8 deletions
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31
zfs_autobackup
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@ -98,11 +98,13 @@ def zfs_get_selected_filesystems(ssh_to, backup_name):
verbose("Ignoring: {0} (disabled)".format(name))
else:
if source=="local":
selected_filesystems.append(name)
if source=="local" and ( value=="true" or value=="child"):
direct_filesystems.append(name)
if source=="local" and value=="true":
selected_filesystems.append(name)
verbose("Selected: {0} (direct selection)".format(name))
elif source.find("inherited from ")==0:
elif source.find("inherited from ")==0 and (value=="true" or value=="child"):
inherited_from=re.sub("^inherited from ", "", source)
if inherited_from in direct_filesystems:
selected_filesystems.append(name)
@ -110,7 +112,7 @@ def zfs_get_selected_filesystems(ssh_to, backup_name):
else:
verbose("Ignored: {0} (already a backup)".format(name))
else:
vebose("Ignored: {0} ({0})".format(source))
verbose("Ignored: {0} ({0})".format(source))
return(selected_filesystems)
@ -486,11 +488,17 @@ def zfs_autobackup():
if latest_target_snapshot not in source_snapshots[source_filesystem]:
#cant find latest target anymore. find first common snapshot and inform user
error_msg="Cant find latest target snapshot on source, did you destroy it accidently? "+source_filesystem+"@"+latest_target_snapshot
error_msg="Cant find latest target snapshot on source, did you destroy/rename it?"
error_msg=error_msg+"\nLatest on target : "+target_filesystem+"@"+latest_target_snapshot
error_msg=error_msg+"\nMissing on source: "+source_filesystem+"@"+latest_target_snapshot
found=False
for latest_target_snapshot in reversed(target_snapshots[target_filesystem]):
if latest_target_snapshot in source_snapshots[source_filesystem]:
error_msg=error_msg+"\nYou could solve this by rolling back to: "+target_filesystem+"@"+latest_target_snapshot;
error_msg=error_msg+"\nYou could solve this by rolling back to this common snapshot on target: "+target_filesystem+"@"+latest_target_snapshot
found=True
break
if not found:
error_msg=error_msg+"\nAlso could not find an earlier common snapshot to rollback to."
raise(Exception(error_msg))
@ -637,5 +645,12 @@ parser.add_argument('--debug', action='store_true', help='debug output (shows co
#note args is the only global variable we use, since its a global readonly setting anyway
args = parser.parse_args()
zfs_autobackup()
try:
zfs_autobackup()
except Exception as e:
if args.debug:
raise
else:
print("* ABORTED *")
print(str(e))