def version_control(options, repo_path=None):
"""Place a database under migration control.
:param options: options dict
"""
sql_connection = options['database']['connection']
try:
_version_control(options)
except versioning_exceptions.DatabaseAlreadyControlledError:
msg = ("database '%(sql_connection)s' is already under migration "
"control" % {'sql_connection': sql_connection})
raise exception.DatabaseMigrationError(msg)
def db_version(options, repo_path=None):
"""Return the database's current migration number.
:param options: options dict
:retval version number
"""
repo_path = get_migrate_repo_path(repo_path)
sql_connection = options['database']['connection']
try:
return versioning_api.db_version(sql_connection, repo_path)
except versioning_exceptions.DatabaseNotControlledError:
msg = ("database '%(sql_connection)s' is not under migration control"
% {'sql_connection': sql_connection})
raise exception.DatabaseMigrationError(msg)
