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"""Test shrink action"""
# pylint: disable=C0115, C0116, invalid-name, attribute-defined-outside-init
import os
import logging
from curator.helpers.getters import get_indices
from . import CuratorTestCase
from . import testvars
HOST = os.environ.get('TEST_ES_SERVER', 'http://127.0.0.1:9200')
SHRINK = (
'---\n'
'actions:\n'
' 1:\n'
' description: "Act on indices as filtered"\n'
' action: shrink\n'
' options:\n'
' shrink_node: {0}\n'
' node_filters:\n'
' {1}: {2}\n'
' number_of_shards: {3}\n'
' number_of_replicas: {4}\n'
' shrink_prefix: {5}\n'
' shrink_suffix: {6}\n'
' delete_after: {7}\n'
' wait_for_rebalance: {8}\n'
' filters:\n'
' - filtertype: pattern\n'
' kind: prefix\n'
' value: my\n'
)
NO_PERMIT_MASTERS = (
'---\n'
'actions:\n'
' 1:\n'
' description: "Act on indices as filtered"\n'
' action: shrink\n'
' options:\n'
' shrink_node: {0}\n'
' number_of_shards: {1}\n'
' number_of_replicas: {2}\n'
' shrink_prefix: {3}\n'
' shrink_suffix: {4}\n'
' delete_after: {5}\n'
' filters:\n'
' - filtertype: pattern\n'
' kind: prefix\n'
' value: my\n'
)
WITH_EXTRA_SETTINGS = (
'---\n'
'actions:\n'
' 1:\n'
' description: "Act on indices as filtered"\n'
' action: shrink\n'
' options:\n'
' shrink_node: {0}\n'
' node_filters:\n'
' {1}: {2}\n'
' number_of_shards: {3}\n'
' number_of_replicas: {4}\n'
' shrink_prefix: {5}\n'
' shrink_suffix: {6}\n'
' delete_after: {7}\n'
' extra_settings:\n'
' settings:\n'
' {8}: {9}\n'
' aliases:\n'
' my_alias: {10}\n'
' post_allocation:\n'
' allocation_type: {11}\n'
' key: {12}\n'
' value: {13}\n'
' filters:\n'
' - filtertype: pattern\n'
' kind: prefix\n'
' value: my\n'
)
COPY_ALIASES = (
'---\n'
'actions:\n'
' 1:\n'
' description: "Act on indices as filtered"\n'
' action: shrink\n'
' options:\n'
' shrink_node: {0}\n'
' node_filters:\n'
' {1}: {2}\n'
' number_of_shards: {3}\n'
' number_of_replicas: {4}\n'
' shrink_prefix: {5}\n'
' shrink_suffix: {6}\n'
' copy_aliases: {7}\n'
' delete_after: {8}\n'
' filters:\n'
' - filtertype: pattern\n'
' kind: prefix\n'
' value: my\n'
)
SHRINK_FILTER_BY_SHARDS = (
'---\n'
'actions:\n'
' 1:\n'
' description: "Act on indices as filtered"\n'
' action: shrink\n'
' options:\n'
' shrink_node: {0}\n'
' node_filters:\n'
' {1}: {2}\n'
' number_of_shards: {3}\n'
' number_of_replicas: {4}\n'
' shrink_prefix: {5}\n'
' shrink_suffix: {6}\n'
' delete_after: {7}\n'
' wait_for_rebalance: {8}\n'
' filters:\n'
' - filtertype: shards\n'
' number_of_shards: {9}\n'
' shard_filter_behavior: {10}\n'
)
class TestActionFileShrink(CuratorTestCase):
def builder(self, action_args):
self.idx = 'my_index'
suffix = '-shrunken'
self.target = f'{self.idx}{suffix}'
self.create_index(self.idx, shards=2)
self.add_docs(self.idx)
# add alias in the source index
self.alias = 'my_alias'
alias_actions = []
alias_actions.append({'add': {'index': self.idx, 'alias': self.alias}})
self.client.indices.update_aliases(actions=alias_actions)
self.write_config(self.args['configfile'], testvars.client_config.format(HOST))
self.write_config(self.args['actionfile'], action_args)
self.invoke_runner()
def test_shrink(self):
suffix = '-shrunken'
self.builder(
SHRINK.format(
'DETERMINISTIC',
'permit_masters',
'True',
1,
0,
'',
suffix,
'True',
'True',
)
)
indices = get_indices(self.client)
assert 1 == len(indices)
assert indices[0] == self.target
def test_permit_masters_false(self):
suffix = '-shrunken'
self.builder(
NO_PERMIT_MASTERS.format('DETERMINISTIC', 1, 0, '', suffix, 'True')
)
indices = get_indices(self.client)
assert 1 == len(indices)
assert indices[0] == self.idx
assert 1 == self.result.exit_code
def test_shrink_non_green(self):
suffix = '-shrunken'
self.client.indices.create(
index='just_another_index',
settings={'number_of_shards': 1, 'number_of_replicas': 1},
)
self.builder(
SHRINK.format(
'DETERMINISTIC',
'permit_masters',
'True',
1,
0,
'',
suffix,
'True',
'True',
)
)
indices = get_indices(self.client)
assert 2 == len(indices)
assert 1 == self.result.exit_code
def test_shrink_with_extras(self):
suffix = '-shrunken'
allocation_type = 'exclude'
key = '_name'
value = 'not_this_node'
self.builder(
WITH_EXTRA_SETTINGS.format(
'DETERMINISTIC',
'permit_masters',
'True',
1,
0,
'',
suffix,
'False',
'index.codec',
'best_compression',
dict(),
allocation_type,
key,
value,
)
)
indices = get_indices(self.client)
assert 2 == len(indices)
settings = self.client.indices.get_settings()
assert (
value
== settings[self.target]['settings']['index']['routing']['allocation'][
allocation_type
][key]
)
assert (
''
== settings[self.idx]['settings']['index']['routing']['allocation'][
'require'
]['_name']
)
assert 'best_compression' == settings[self.target]['settings']['index']['codec']
# This was erroneously testing for True in previous releases. But the target
# index should never have had the alias as `copy_aliases` was never set
# to True for this test.
def test_shrink_with_copy_alias(self):
suffix = '-shrunken'
self.builder(
COPY_ALIASES.format(
'DETERMINISTIC',
'permit_masters',
'True',
1,
0,
'',
suffix,
'True',
'True',
)
)
indices = get_indices(self.client)
assert 1 == len(indices)
assert indices[0] == self.target
assert self.client.indices.exists_alias(index=self.target, name=self.alias)
def test_shrink_without_rebalance(self):
suffix = '-shrunken'
self.builder(
SHRINK.format(
'DETERMINISTIC',
'permit_masters',
'True',
1,
0,
'',
suffix,
'True',
'False',
)
)
indices = get_indices(self.client)
assert 1 == len(indices)
assert indices[0] == self.target
def test_shrink_implicit_shard_filter(self):
self.create_index('my_invalid_shrink_index', shards=1)
self.create_index('my_valid_shrink_index', shards=5)
suffix = '-shrunken'
self.builder(
SHRINK.format(
'DETERMINISTIC',
'permit_masters',
'True',
1,
0,
'',
suffix,
'True',
'False',
)
)
indices = get_indices(self.client)
assert 3 == len(indices)
assert 'my_invalid_shrink_index-shrunken' not in indices
assert 'my_valid_shrink_index-shrunken' in indices
def test_shrink_explicit_shard_filter(self):
self.create_index('my_invalid_shrink_index', shards=3)
self.create_index('my_valid_shrink_index', shards=5)
suffix = '-shrunken'
self.builder(
SHRINK_FILTER_BY_SHARDS.format(
'DETERMINISTIC',
'permit_masters',
'True',
1,
0,
'',
suffix,
'True',
'False',
5,
'greater_than_or_equal',
)
)
indices = get_indices(self.client)
assert 3 == len(indices)
assert 'my_invalid_shrink_index-shrunken' not in indices
assert 'my_valid_shrink_index-shrunken' in indices
assert 'my_index-shrunken' not in indices
class TestCLIShrink(CuratorTestCase):
def builder(self):
self.loogger = logging.getLogger('TestCLIShrink.builder')
self.idx = 'my_index'
self.suffix = '-shrunken'
self.target = f'{self.idx}{self.suffix}'
self.create_index(self.idx, shards=2)
self.add_docs(self.idx)
# add alias in the source index
self.alias = 'my_alias'
alias_actions = []
alias_actions.append({'add': {'index': self.idx, 'alias': self.alias}})
self.client.indices.update_aliases(actions=alias_actions)
self.write_config(self.args['configfile'], testvars.client_config.format(HOST))
self.loogger.debug('Test pre-execution build phase complete.')
def test_shrink(self):
self.builder()
args = self.get_runner_args()
args += [
'--config',
self.args['configfile'],
'shrink',
'--shrink_node',
'DETERMINISTIC',
'--node_filters',
'{"permit_masters":"true"}',
'--number_of_shards',
"1",
'--number_of_replicas',
"0",
'--shrink_suffix',
self.suffix,
'--delete_after',
'--wait_for_rebalance',
'--filter_list',
'{"filtertype":"none"}',
]
assert 0 == self.run_subprocess(args, logname='TestCLIShrink.test_shrink')
indices = get_indices(self.client)
assert 1 == len(indices)
assert indices[0] == self.target
|
