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scrub_test.py
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scrub_test.py
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import glob
import os
import re
import subprocess
import uuid
from ccmlib import common
from dtest import Tester, debug
from tools import since, require
import time
KEYSPACE = 'ks'
class TestHelper(Tester):
def get_table_path(self, table):
"""
Return the path where the table sstables are located
"""
node1 = self.cluster.nodelist()[0]
path = ""
basepath = os.path.join(node1.get_path(), 'data', KEYSPACE)
for x in os.listdir(basepath):
if x.startswith(table):
path = os.path.join(basepath, x)
break
return path
def get_index_path(self, table, index):
"""
Return the path where the index sstables are located
"""
path = self.get_table_path(table)
return os.path.join(path, '.' + index)
def get_sstable_files(self, path):
"""
Return the sstable files at a specific location
"""
ret = []
debug('Checking sstables in %s' % (path))
for ext in ('*.db', '*.txt', '*.adler32', '*.sha1'):
for fname in glob.glob(os.path.join(path, ext)):
bname = os.path.basename(fname)
debug('Found sstable file %s' % (bname))
ret.append(bname)
return ret
def delete_non_essential_sstable_files(self, table):
"""
Delete all sstable files except for the -Data.db file and the
-Statistics.db file (only available in >= 3.0)
"""
for fname in self.get_sstable_files(self.get_table_path(table)):
if not fname.endswith("-Data.db") and not fname.endswith("-Statistics.db"):
fullname = os.path.join(self.get_table_path(table), fname)
debug('Deleting {}'.format(fullname))
os.remove(fullname)
def get_sstables(self, table, indexes):
"""
Return the sstables for a table and the specified indexes of this table
"""
sstables = {}
table_sstables = self.get_sstable_files(self.get_table_path(table))
assert len(table_sstables) > 0
sstables[table] = sorted(table_sstables)
for index in indexes:
index_sstables = self.get_sstable_files(self.get_index_path(table, index))
assert len(index_sstables) > 0
sstables[index] = sorted('%s/%s' % (index, sstable) for sstable in index_sstables)
return sstables
def launch_nodetool_cmd(self, cmd):
"""
Launch a nodetool command and check the result is empty (no error)
"""
node1 = self.cluster.nodelist()[0]
response = node1.nodetool(cmd, capture_output=True)[0]
if not common.is_win(): # nodetool always prints out on windows
assert len(response) == 0, response # nodetool does not print anything unless there is an error
def launch_standalone_scrub(self, ks, cf):
"""
Launch the standalone scrub
"""
node1 = self.cluster.nodelist()[0]
env = common.make_cassandra_env(node1.get_install_cassandra_root(), node1.get_node_cassandra_root())
scrub_bin = node1.get_tool('sstablescrub')
debug(scrub_bin)
args = [scrub_bin, ks, cf]
p = subprocess.Popen(args, env=env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
debug(out)
if err:
debug(err)
assert False, 'sstablescrub failed'
def perform_node_tool_cmd(self, cmd, table, indexes):
"""
Perform a nodetool command on a table and the indexes specified
"""
self.launch_nodetool_cmd('%s %s %s' % (cmd, KEYSPACE, table))
for index in indexes:
self.launch_nodetool_cmd('%s %s %s.%s' % (cmd, KEYSPACE, table, index))
def flush(self, table, *indexes):
"""
Flush table and indexes via nodetool, and then return all sstables
in a dict keyed by the table or index name.
"""
self.perform_node_tool_cmd('flush', table, indexes)
return self.get_sstables(table, indexes)
def scrub(self, table, *indexes):
"""
Scrub table and indexes via nodetool, and then return all sstables
in a dict keyed by the table or index name.
"""
self.perform_node_tool_cmd('scrub', table, indexes)
return self.get_sstables(table, indexes)
def standalonescrub(self, table, *indexes):
"""
Launch standalone scrub on table and indexes, and then return all sstables
in a dict keyed by the table or index name.
"""
self.launch_standalone_scrub(KEYSPACE, table)
for index in indexes:
self.launch_standalone_scrub(KEYSPACE, '%s.%s' % (table, index))
return self.get_sstables(table, indexes)
def increment_generation_by(self, sstable, generation_increment):
"""
Set the generation number for an sstable file name
"""
return re.sub('(\d(?!\d))\-', lambda x: str(int(x.group(1)) + generation_increment) + '-', sstable)
def increase_sstable_generations(self, sstables):
"""
After finding the number of existing sstables, increase all of the
generations by that amount.
"""
for table_or_index, table_sstables in sstables.items():
increment_by = len(set(re.match('.*(\d)[^0-9].*', s).group(1) for s in table_sstables))
sstables[table_or_index] = [self.increment_generation_by(s, increment_by) for s in table_sstables]
debug('sstables after increment %s' % (str(sstables)))
@since('2.2')
class TestScrubIndexes(TestHelper):
"""
Test that we scrub indexes as well as their parent tables
"""
def create_users(self, session):
columns = {"password": "varchar", "gender": "varchar", "session_token": "varchar", "state": "varchar", "birth_year": "bigint"}
self.create_cf(session, 'users', columns=columns)
session.execute("CREATE INDEX gender_idx ON users (gender)")
session.execute("CREATE INDEX state_idx ON users (state)")
session.execute("CREATE INDEX birth_year_idx ON users (birth_year)")
def update_users(self, session):
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user1', 'ch@ngem3a', 'f', 'TX', 1978)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user2', 'ch@ngem3b', 'm', 'CA', 1982)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user3', 'ch@ngem3c', 'f', 'TX', 1978)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user4', 'ch@ngem3d', 'm', 'CA', 1982)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user5', 'ch@ngem3e', 'f', 'TX', 1978)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user6', 'ch@ngem3f', 'm', 'CA', 1982)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user7', 'ch@ngem3g', 'f', 'TX', 1978)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user8', 'ch@ngem3h', 'm', 'CA', 1982)")
session.execute("DELETE FROM users where KEY = 'user1'")
session.execute("DELETE FROM users where KEY = 'user5'")
session.execute("DELETE FROM users where KEY = 'user7'")
def query_users(self, session):
ret = session.execute("SELECT * FROM users")
ret.extend(session.execute("SELECT * FROM users WHERE state='TX'"))
ret.extend(session.execute("SELECT * FROM users WHERE gender='f'"))
ret.extend(session.execute("SELECT * FROM users WHERE birth_year=1978"))
assert len(ret) == 8
return ret
def test_scrub_static_table(self):
cluster = self.cluster
cluster.populate(1).start()
node1 = cluster.nodelist()[0]
session = self.patient_cql_connection(node1)
self.create_ks(session, KEYSPACE, 1)
self.create_users(session)
self.update_users(session)
initial_users = self.query_users(session)
initial_sstables = self.flush('users', 'gender_idx', 'state_idx', 'birth_year_idx')
scrubbed_sstables = self.scrub('users', 'gender_idx', 'state_idx', 'birth_year_idx')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
users = self.query_users(session)
self.assertEqual(initial_users, users)
# Scrub and check sstables and data again
scrubbed_sstables = self.scrub('users', 'gender_idx', 'state_idx', 'birth_year_idx')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
users = self.query_users(session)
self.assertEqual(initial_users, users)
# Restart and check data again
cluster.stop()
cluster.start()
session = self.patient_cql_connection(node1)
session.execute('USE %s' % (KEYSPACE))
users = self.query_users(session)
self.assertEqual(initial_users, users)
def test_standalone_scrub(self):
cluster = self.cluster
cluster.populate(1).start()
node1 = cluster.nodelist()[0]
session = self.patient_cql_connection(node1)
self.create_ks(session, KEYSPACE, 1)
self.create_users(session)
self.update_users(session)
initial_users = self.query_users(session)
initial_sstables = self.flush('users', 'gender_idx', 'state_idx', 'birth_year_idx')
cluster.stop()
scrubbed_sstables = self.standalonescrub('users', 'gender_idx', 'state_idx', 'birth_year_idx')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
cluster.start()
session = self.patient_cql_connection(node1)
session.execute('USE %s' % (KEYSPACE))
users = self.query_users(session)
self.assertEqual(initial_users, users)
@require('9814', broken_in='3.0')
def test_scrub_collections_table(self):
cluster = self.cluster
cluster.populate(1).start()
node1 = cluster.nodelist()[0]
session = self.patient_cql_connection(node1)
self.create_ks(session, KEYSPACE, 1)
session.execute("CREATE TABLE users (user_id uuid PRIMARY KEY, email text, uuids list<uuid>)")
session.execute("CREATE INDEX user_uuids_idx on users (uuids)")
_id = uuid.uuid4()
num_users = 100
for i in range(0, num_users):
user_uuid = uuid.uuid4()
session.execute(("INSERT INTO users (user_id, email) values ({user_id}, 'test@example.com')").format(user_id=user_uuid))
session.execute(("UPDATE users set uuids = [{id}] where user_id = {user_id}").format(id=_id, user_id=user_uuid))
initial_users = session.execute(("SELECT * from users where uuids contains {some_uuid}").format(some_uuid=_id))
self.assertEqual(num_users, len(initial_users))
initial_sstables = self.flush('users', 'user_uuids_idx')
scrubbed_sstables = self.scrub('users', 'user_uuids_idx')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
users = session.execute(("SELECT * from users where uuids contains {some_uuid}").format(some_uuid=_id))
self.assertEqual(initial_users, users)
scrubbed_sstables = self.scrub('users', 'user_uuids_idx')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
users = session.execute(("SELECT * from users where uuids contains {some_uuid}").format(some_uuid=_id))
self.assertListEqual(initial_users, users)
class TestScrub(TestHelper):
"""
Generic tests for scrubbing
"""
def create_users(self, session):
columns = {"password": "varchar", "gender": "varchar", "session_token": "varchar", "state": "varchar", "birth_year": "bigint"}
self.create_cf(session, 'users', columns=columns)
def update_users(self, session):
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user1', 'ch@ngem3a', 'f', 'TX', 1978)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user2', 'ch@ngem3b', 'm', 'CA', 1982)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user3', 'ch@ngem3c', 'f', 'TX', 1978)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user4', 'ch@ngem3d', 'm', 'CA', 1982)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user5', 'ch@ngem3e', 'f', 'TX', 1978)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user6', 'ch@ngem3f', 'm', 'CA', 1982)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user7', 'ch@ngem3g', 'f', 'TX', 1978)")
session.execute("INSERT INTO users (KEY, password, gender, state, birth_year) VALUES ('user8', 'ch@ngem3h', 'm', 'CA', 1982)")
session.execute("DELETE FROM users where KEY = 'user1'")
session.execute("DELETE FROM users where KEY = 'user5'")
session.execute("DELETE FROM users where KEY = 'user7'")
def query_users(self, session):
ret = session.execute("SELECT * FROM users")
assert len(ret) == 5
return ret
def test_nodetool_scrub(self):
cluster = self.cluster
cluster.populate(1).start()
node1 = cluster.nodelist()[0]
session = self.patient_cql_connection(node1)
self.create_ks(session, KEYSPACE, 1)
self.create_users(session)
self.update_users(session)
initial_users = self.query_users(session)
initial_sstables = self.flush('users')
scrubbed_sstables = self.scrub('users')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
users = self.query_users(session)
self.assertEqual(initial_users, users)
# Scrub and check sstables and data again
scrubbed_sstables = self.scrub('users')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
users = self.query_users(session)
self.assertEqual(initial_users, users)
# Restart and check data again
cluster.stop()
cluster.start()
session = self.patient_cql_connection(node1)
session.execute('USE %s' % (KEYSPACE))
users = self.query_users(session)
self.assertEqual(initial_users, users)
def test_standalone_scrub(self):
cluster = self.cluster
cluster.populate(1).start()
node1 = cluster.nodelist()[0]
session = self.patient_cql_connection(node1)
self.create_ks(session, KEYSPACE, 1)
self.create_users(session)
self.update_users(session)
initial_users = self.query_users(session)
initial_sstables = self.flush('users')
cluster.stop()
scrubbed_sstables = self.standalonescrub('users')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
cluster.start()
session = self.patient_cql_connection(node1)
session.execute('USE %s' % (KEYSPACE))
users = self.query_users(session)
self.assertEqual(initial_users, users)
def test_standalone_scrub_essential_files_only(self):
cluster = self.cluster
cluster.populate(1).start()
node1 = cluster.nodelist()[0]
session = self.patient_cql_connection(node1)
self.create_ks(session, KEYSPACE, 1)
self.create_users(session)
self.update_users(session)
initial_users = self.query_users(session)
initial_sstables = self.flush('users')
cluster.stop()
self.delete_non_essential_sstable_files('users')
scrubbed_sstables = self.standalonescrub('users')
self.increase_sstable_generations(initial_sstables)
self.assertEqual(initial_sstables, scrubbed_sstables)
cluster.start()
session = self.patient_cql_connection(node1)
session.execute('USE %s' % (KEYSPACE))
users = self.query_users(session)
self.assertEqual(initial_users, users)
@since('2.1')
def test_scrub_with_UDT(self):
"""
@jira_ticket CASSANDRA-7665
"""
cluster = self.cluster
cluster.populate(1).start()
node1 = cluster.nodelist()[0]
session = self.patient_cql_connection(node1)
session.execute("CREATE KEYSPACE test WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1 };")
session.execute("use test;")
session.execute("CREATE TYPE point_t (x double, y double);")
node1.nodetool("scrub")
time.sleep(2)
match = node1.grep_log("org.apache.cassandra.serializers.MarshalException: Not enough bytes to read a set")
self.assertEqual(len(match), 0)