Coverage for /Users/buh/.pyenv/versions/3.12.2/envs/es-testbed/lib/python3.12/site-packages/es_testbed/mgrs/ilm.py: 97%

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1"""ILM Policy Entity Manager Class""" 

2 

3import typing as t 

4import logging 

5from es_testbed.exceptions import ResultNotExpected 

6from es_testbed.helpers.es_api import exists, put_ilm 

7from es_testbed.helpers.utils import build_ilm_policy, prettystr 

8from es_testbed.mgrs.entity import EntityMgr 

9 

10if t.TYPE_CHECKING: 

11 from elasticsearch8 import Elasticsearch 

12 from dotmap import DotMap 

13 

14logger = logging.getLogger(__name__) 

15 

16 

17class IlmMgr(EntityMgr): 

18 """Index Lifecycle Policy Entity Manager""" 

19 

20 kind = 'ilm' 

21 listname = 'ilm_policies' 

22 

23 def __init__( 

24 self, 

25 client: t.Union['Elasticsearch', None] = None, 

26 plan: t.Union['DotMap', None] = None, 

27 ): 

28 super().__init__(client=client, plan=plan) 

29 

30 def get_policy(self) -> t.Dict: 

31 """Return the configured ILM policy""" 

32 d = self.plan.ilm 

33 kwargs = { 

34 'tiers': d.tiers, 

35 'forcemerge': d.forcemerge, 

36 'max_num_segments': d.max_num_segments, 

37 'repository': self.plan.repository, 

38 } 

39 return build_ilm_policy(**kwargs) 

40 

41 def setup(self) -> None: 

42 """Setup the entity manager""" 

43 logger.debug('Starting IlmMgr setup...') 

44 if self.plan.ilm.enabled: 

45 self.plan.ilm.policy = self.get_policy() 

46 put_ilm(self.client, self.name, policy=self.plan.ilm.policy) 

47 # Verify existence 

48 if not exists(self.client, 'ilm', self.name): 

49 raise ResultNotExpected( 

50 f'Unable to verify creation of ilm policy {self.name}' 

51 ) 

52 # This goes first because the length of entity_list determines the suffix 

53 self.appender(self.name) 

54 logger.info('Successfully created ILM policy: %s', self.last) 

55 logger.debug(self.client.ilm.get_lifecycle(name=self.last)) 

56 else: 

57 self.appender(None) # This covers self.plan.ilm_policies[-1] 

58 logger.info('No ILM policy created.')