Coverage for python / lsst / dax / apdb / scripts / delete_cassandra.py: 25%

1# This file is part of dax_apdb 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This program is free software: you can redistribute it and/or modify 

10# it under the terms of the GNU General Public License as published by 

11# the Free Software Foundation, either version 3 of the License, or 

12# (at your option) any later version. 

13# 

14# This program is distributed in the hope that it will be useful, 

15# but WITHOUT ANY WARRANTY; without even the implied warranty of 

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

19# You should have received a copy of the GNU General Public License 

20# along with this program. If not, see <https://www.gnu.org/licenses/>. 

21 

22from __future__ import annotations 

23 

24__all__ = ["delete_cassandra"] 

25 

26from ..cassandra.apdbCassandraAdmin import ApdbCassandraAdmin 

27 

28 

29def delete_cassandra(host: str, keyspace: str, confirm: bool) -> None: 

30 """Delete APDB instance from Cassandra cluster. 

31 

32 Parameters 

33 ---------- 

34 host : `str` 

35 Name of one of the hosts in Cassandra cluster. 

36 keyspace : `str` 

37 Cassandra keyspace name containing APDB tables. 

38 confirm : `bool` 

39 If True do not ask for confirmation. 

40 """ 

41 if not confirm: 

42 try: 

43 answer = input(f"Type 'yes' to confirm deletion of keyspace {keyspace!r} and all of its data: ") 

44 if answer != "yes": 

45 return 

46 except EOFError: 

47 return 

48 ApdbCassandraAdmin.delete_database(host=host, keyspace=keyspace)