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backup: Ensure at startup that the backup backend was initialized

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This commit is contained in:
Christian Decker
2020-04-04 15:45:59 +02:00
parent 97c702731a
commit c58e675877
2 changed files with 40 additions and 26 deletions
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24
backup/backup.py
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@@ -230,22 +230,22 @@ def on_init(options: Mapping[str, str], plugin: Plugin, **kwargs):
destination = options['backup-destination']
# Ensure that we don't inadventently switch the destination
if os.path.exists("backup.lock"):
d = json.load(open("backup.lock", 'r'))
if destination is None or destination == 'null':
destination = d['backend_url']
elif destination != d['backend_url']:
abort(
"The destination specified as option does not match the one "
"specified in backup.lock. Please check your settings"
)
if not os.path.exists("backup.lock"):
print("Files in the current directory {}".format(", ".join(os.listdir("."))))
return abort("Could not find backup.lock in the lightning-dir, have you initialized using the backup-cli utility?")
d = json.load(open("backup.lock", 'r'))
if destination is None or destination == 'null':
destination = d['backend_url']
elif destination != d['backend_url']:
abort(
"The destination specified as option does not match the one "
"specified in backup.lock. Please check your settings"
)
if not plugin.db_path.startswith('sqlite3'):
abort("The backup plugin only works with the sqlite3 database.")
if destination == 'null':
abort("You must specify a backup destination, possibly on a secondary disk.")
# Let's initialize the backed. First we need to figure out which backend to use.
backend_cl = resolve_backend_class(destination)
if backend_cl is None: