74 lines
2.9 KiB
Python
74 lines
2.9 KiB
Python
# pylint: skip-file
|
|
import os
|
|
import sys
|
|
import logging
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
def migrate_db(conf, start, end):
|
|
current = start
|
|
while current < end:
|
|
if current == 1:
|
|
from .migrate1to2 import do_migration
|
|
elif current == 2:
|
|
from .migrate2to3 import do_migration
|
|
elif current == 3:
|
|
from .migrate3to4 import do_migration
|
|
elif current == 4:
|
|
from .migrate4to5 import do_migration
|
|
elif current == 5:
|
|
from .migrate5to6 import do_migration
|
|
elif current == 6:
|
|
from .migrate6to7 import do_migration
|
|
elif current == 7:
|
|
from .migrate7to8 import do_migration
|
|
elif current == 8:
|
|
from .migrate8to9 import do_migration
|
|
elif current == 9:
|
|
from .migrate9to10 import do_migration
|
|
elif current == 10:
|
|
from .migrate10to11 import do_migration
|
|
elif current == 11:
|
|
from .migrate11to12 import do_migration
|
|
elif current == 12:
|
|
from .migrate12to13 import do_migration
|
|
elif current == 13:
|
|
from .migrate13to14 import do_migration
|
|
elif current == 14:
|
|
from .migrate14to15 import do_migration
|
|
elif current == 15:
|
|
from .migrate15to16 import do_migration
|
|
else:
|
|
raise Exception(f"DB migration of version {current} to {current+1} is not available")
|
|
try:
|
|
do_migration(conf)
|
|
except Exception:
|
|
log.exception("failed to migrate database")
|
|
if os.path.exists(os.path.join(conf.data_dir, "lbrynet.sqlite")):
|
|
backup_name = f"rev_{current}_unmigrated_database"
|
|
count = 0
|
|
while os.path.exists(os.path.join(conf.data_dir, backup_name + ".sqlite")):
|
|
count += 1
|
|
backup_name = f"rev_{current}_unmigrated_database_{count}"
|
|
backup_path = os.path.join(conf.data_dir, backup_name + ".sqlite")
|
|
os.rename(os.path.join(conf.data_dir, "lbrynet.sqlite"), backup_path)
|
|
log.info("made a backup of the unmigrated database: %s", backup_path)
|
|
if os.path.isfile(os.path.join(conf.data_dir, "db_revision")):
|
|
os.remove(os.path.join(conf.data_dir, "db_revision"))
|
|
return None
|
|
current += 1
|
|
log.info("successfully migrated the database from revision %i to %i", current - 1, current)
|
|
return None
|
|
|
|
|
|
def run_migration_script():
|
|
log_format = "(%(asctime)s)[%(filename)s:%(lineno)s] %(funcName)s(): %(message)s"
|
|
logging.basicConfig(level=logging.DEBUG, format=log_format, filename="migrator.log")
|
|
sys.stdout = open("migrator.out.log", 'w')
|
|
sys.stderr = open("migrator.err.log", 'w')
|
|
migrate_db(sys.argv[1], int(sys.argv[2]), int(sys.argv[3]))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
run_migration_script()
|