| import os |
| import random |
| import re |
| import shutil |
| import tempfile |
| import threading |
| import time |
| import logging |
| import signal |
| from distutils.version import LooseVersion |
| |
| from cassandra import ConsistencyLevel |
| from cassandra.concurrent import execute_concurrent_with_args |
| from cassandra.query import SimpleStatement |
| from ccmlib.node import NodeError, TimeoutError, ToolError, Node |
| |
| import pytest |
| |
| from dtest import Tester, create_ks, create_cf, data_size, mk_bman_path |
| from tools.assertions import (assert_almost_equal, assert_bootstrap_state, assert_not_running, |
| assert_one, assert_stderr_clean) |
| from tools.data import query_c1c2 |
| from tools.intervention import InterruptBootstrap, KillOnBootstrap, KillOnReadyToBootstrap |
| from tools.misc import new_node, generate_ssl_stores |
| |
| since = pytest.mark.since |
| ported_to_in_jvm = pytest.mark.ported_to_in_jvm |
| logger = logging.getLogger(__name__) |
| |
| |
| class BootstrapTester(Tester): |
| byteman_submit_path_pre_4_0 = mk_bman_path('pre4.0/stream_failure.btm') |
| byteman_submit_path_4_0 = mk_bman_path('4.0/stream_failure.btm') |
| |
| @pytest.fixture(autouse=True) |
| def fixture_add_additional_log_patterns(self, fixture_dtest_setup): |
| fixture_dtest_setup.allow_log_errors = True |
| fixture_dtest_setup.ignore_log_patterns = ( |
| # This one occurs when trying to send the migration to a |
| # node that hasn't started yet, and when it does, it gets |
| # replayed and everything is fine. |
| r'Can\'t send migration request: node.*is down', |
| # ignore streaming error during bootstrap |
| r'Exception encountered during startup', |
| r'Streaming error occurred' |
| ) |
| |
| def _base_bootstrap_test(self, bootstrap=None, bootstrap_from_version=None, |
| enable_ssl=None): |
| def default_bootstrap(cluster, token): |
| node2 = new_node(cluster) |
| node2.set_configuration_options(values={'initial_token': token}) |
| node2.start(wait_for_binary_proto=True) |
| return node2 |
| |
| if bootstrap is None: |
| bootstrap = default_bootstrap |
| |
| cluster = self.cluster |
| |
| if enable_ssl: |
| logger.debug("***using internode ssl***") |
| generate_ssl_stores(self.fixture_dtest_setup.test_path) |
| cluster.enable_internode_ssl(self.fixture_dtest_setup.test_path) |
| |
| tokens = cluster.balanced_tokens(2) |
| cluster.set_configuration_options(values={'num_tokens': 1}) |
| |
| logger.debug("[node1, node2] tokens: %r" % (tokens,)) |
| |
| keys = 10000 |
| |
| # Create a single node cluster |
| cluster.populate(1) |
| node1 = cluster.nodelist()[0] |
| if bootstrap_from_version: |
| logger.debug("starting source node on version {}".format(bootstrap_from_version)) |
| node1.set_install_dir(version=bootstrap_from_version) |
| node1.set_configuration_options(values={'initial_token': tokens[0]}) |
| cluster.start() |
| |
| session = self.patient_cql_connection(node1) |
| create_ks(session, 'ks', 1) |
| create_cf(session, 'cf', columns={'c1': 'text', 'c2': 'text'}) |
| |
| # record the size before inserting any of our own data |
| empty_size = data_size(node1, 'ks','cf') |
| logger.debug("node1 empty size for ks.cf: %s" % float(empty_size)) |
| |
| insert_statement = session.prepare("INSERT INTO ks.cf (key, c1, c2) VALUES (?, 'value1', 'value2')") |
| execute_concurrent_with_args(session, insert_statement, [['k%d' % k] for k in range(keys)]) |
| |
| node1.flush() |
| node1.compact() |
| initial_size = data_size(node1,'ks','cf') |
| logger.debug("node1 size for ks.cf before bootstrapping node2: %s" % float(initial_size)) |
| |
| # Reads inserted data all during the bootstrap process. We shouldn't |
| # get any error |
| query_c1c2(session, random.randint(0, keys - 1), ConsistencyLevel.ONE) |
| session.shutdown() |
| |
| # Bootstrapping a new node in the current version |
| node2 = bootstrap(cluster, tokens[1]) |
| node2.compact() |
| |
| node1.cleanup() |
| logger.debug("node1 size for ks.cf after cleanup: %s" % float(data_size(node1,'ks','cf'))) |
| node1.compact() |
| logger.debug("node1 size for ks.cf after compacting: %s" % float(data_size(node1,'ks','cf'))) |
| |
| logger.debug("node2 size for ks.cf after compacting: %s" % float(data_size(node2,'ks','cf'))) |
| |
| size1 = float(data_size(node1,'ks','cf')) |
| size2 = float(data_size(node2,'ks','cf')) |
| assert_almost_equal(size1, size2, error=0.3) |
| assert_almost_equal(float(initial_size - empty_size), 2 * (size1 - float(empty_size))) |
| |
| assert_bootstrap_state(self, node2, 'COMPLETED') |
| |
| @pytest.mark.no_vnodes |
| def test_simple_bootstrap_with_ssl(self): |
| self._base_bootstrap_test(enable_ssl=True) |
| |
| @pytest.mark.no_vnodes |
| def test_simple_bootstrap(self): |
| self._base_bootstrap_test() |
| |
| @pytest.mark.no_vnodes |
| def test_bootstrap_on_write_survey(self): |
| def bootstrap_on_write_survey_and_join(cluster, token): |
| node2 = new_node(cluster) |
| node2.set_configuration_options(values={'initial_token': token}) |
| node2.start(jvm_args=["-Dcassandra.write_survey=true"], wait_for_binary_proto=True) |
| |
| assert len(node2.grep_log('Startup complete, but write survey mode is active, not becoming an active ring member.')) |
| # bootstrapping is considered complete if streaming is successful. Post CEP-21 this is distinct from |
| # fully joining the ring or leaving write survey mode |
| bootstrap_state = 'COMPLETED' if self.cluster.version() >= LooseVersion('5.1') else 'IN_PROGRESS' |
| assert_bootstrap_state(self, node2, bootstrap_state) |
| |
| node2.nodetool("join") |
| assert len(node2.grep_log('Leaving write survey mode and joining ring at operator request')) |
| return node2 |
| |
| self._base_bootstrap_test(bootstrap_on_write_survey_and_join) |
| |
| def _test_bootstrap_with_compatibility_flag_on(self, bootstrap_from_version): |
| def bootstrap_with_compatibility_flag_on(cluster, token): |
| node2 = new_node(cluster) |
| node2.set_configuration_options(values={'initial_token': token}) |
| # cassandra.force_3_0_protocol_version parameter is needed to allow schema |
| # changes during the bootstrapping for upgrades from 3.0.14+ to anything upwards for 3.0.x or 3.x clusters. |
| # @jira_ticket CASSANDRA-13004 for detailed context on `cassandra.force_3_0_protocol_version` flag |
| node2.start(jvm_args=["-Dcassandra.force_3_0_protocol_version=true"], |
| wait_for_binary_proto=True) |
| return node2 |
| |
| self._base_bootstrap_test(bootstrap_with_compatibility_flag_on, |
| bootstrap_from_version=bootstrap_from_version) |
| |
| @since('3.10') |
| @pytest.mark.no_vnodes |
| def test_simple_bootstrap_small_keepalive_period(self): |
| """ |
| @jira_ticket CASSANDRA-11841 |
| Test that bootstrap completes if it takes longer than streaming_socket_timeout_in_ms or |
| 2*streaming_keep_alive_period_in_secs to receive a single sstable |
| """ |
| cluster = self.cluster |
| yaml_opts = {'streaming_keep_alive_period_in_secs': 2} |
| if cluster.version() < '4.0': |
| yaml_opts['streaming_socket_timeout_in_ms'] = 1000 |
| cluster.set_configuration_options(values=yaml_opts) |
| |
| # Create a single node cluster |
| cluster.populate(1) |
| node1 = cluster.nodelist()[0] |
| |
| logger.debug("Setting up byteman on {}".format(node1.name)) |
| # set up byteman |
| node1.byteman_port = '8100' |
| node1.import_config_files() |
| |
| cluster.start() |
| |
| # Create more than one sstable larger than 1MB |
| node1.stress(['write', 'n=1K', '-rate', 'threads=8', '-schema', |
| 'compaction(strategy=SizeTieredCompactionStrategy, enabled=false)']) |
| cluster.flush() |
| |
| logger.debug("Submitting byteman script to {} to".format(node1.name)) |
| # Sleep longer than streaming_socket_timeout_in_ms to make sure the node will not be killed |
| node1.byteman_submit([mk_bman_path('stream_5s_sleep.btm')]) |
| |
| # Bootstraping a new node with very small streaming_socket_timeout_in_ms |
| node2 = new_node(cluster) |
| node2.start(wait_for_binary_proto=True) |
| |
| # Shouldn't fail due to streaming socket timeout timeout |
| assert_bootstrap_state(self, node2, 'COMPLETED') |
| |
| if cluster.version() < '4.0': |
| for node in cluster.nodelist(): |
| assert node.grep_log('Scheduling keep-alive task with 2s period.', filename='debug.log') |
| assert node.grep_log('Sending keep-alive', filename='debug.log') |
| assert node.grep_log('Received keep-alive', filename='debug.log') |
| |
| def test_simple_bootstrap_nodata(self): |
| """ |
| @jira_ticket CASSANDRA-11010 |
| Test that bootstrap completes if streaming from nodes with no data |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| # Create a two-node cluster |
| cluster.populate(2) |
| cluster.start() |
| |
| # Bootstrapping a new node |
| node3 = new_node(cluster) |
| node3.start(wait_for_binary_proto=True) |
| |
| assert_bootstrap_state(self, node3, 'COMPLETED') |
| |
| def test_schema_removed_nodes(self): |
| """ |
| @jira_ticket CASSANDRA-16577 |
| Test that nodes can bootstrap after a schema change performed with a node removed |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(2) |
| cluster.start() |
| |
| node1, node2 = cluster.nodelist() |
| |
| node2.decommission(force=cluster.version() > '4') |
| |
| session = self.patient_cql_connection(node1) |
| session.execute("CREATE KEYSPACE k WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1};") |
| |
| node3 = new_node(cluster) |
| node3.start(wait_for_binary_proto=True) |
| |
| def test_read_from_bootstrapped_node(self): |
| """ |
| Test bootstrapped node sees existing data |
| @jira_ticket CASSANDRA-6648 |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(3) |
| if cluster.version() <= '5.0': |
| # Nodes need to be started one by one pre-TCM, not all at once. See CASSANDRA-19097 |
| cluster.nodelist()[0].start(wait_for_binary_proto=True) |
| cluster.nodelist()[1].start(wait_for_binary_proto=True) |
| cluster.nodelist()[2].start(wait_for_binary_proto=True) |
| cluster.start() |
| |
| node1 = cluster.nodes['node1'] |
| node1.stress(['write', 'n=10K', 'no-warmup', '-rate', 'threads=8', '-schema', 'replication(factor=2)']) |
| |
| session = self.patient_cql_connection(node1) |
| stress_table = 'keyspace1.standard1' |
| query = SimpleStatement("SELECT * FROM %s" % (stress_table)) |
| original_rows = list(session.execute(query)) |
| |
| node4 = new_node(cluster) |
| node4.start(wait_for_binary_proto=True) |
| |
| session = self.patient_exclusive_cql_connection(node4) |
| new_rows = list(session.execute(query)) |
| assert original_rows == new_rows |
| |
| @since('3.0') |
| def test_bootstrap_waits_for_streaming_to_finish(self): |
| """ |
| Test that bootstrap completes and is marked as such after streaming finishes. |
| """ |
| |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| |
| logger.debug("Create a cluster") |
| cluster.populate(1) |
| node1 = cluster.nodelist()[0] |
| |
| logger.debug("Start node 1") |
| node1.start(wait_for_binary_proto=True) |
| |
| logger.debug("Insert 10k rows") |
| node1.stress(['write', 'n=10K', 'no-warmup', '-rate', 'threads=8', '-schema', 'replication(factor=2)']) |
| |
| logger.debug("Bootstrap node 2 with delay") |
| node2 = new_node(cluster, byteman_port='4200') |
| node2.update_startup_byteman_script(mk_bman_path('bootstrap_5s_sleep.btm')) |
| node2.start(wait_for_binary_proto=True) |
| |
| assert_bootstrap_state(self, node2, 'COMPLETED') |
| assert node2.grep_log('Bootstrap completed', filename='debug.log') |
| |
| def test_consistent_range_movement_true_with_replica_down_should_fail(self): |
| self._bootstrap_test_with_replica_down(True) |
| def test_consistent_range_movement_false_with_replica_down_should_succeed(self): |
| self._bootstrap_test_with_replica_down(False) |
| def test_consistent_range_movement_true_with_rf1_should_fail(self): |
| self._bootstrap_test_with_replica_down(True, rf=1) |
| def test_consistent_range_movement_false_with_rf1_should_succeed(self): |
| self._bootstrap_test_with_replica_down(False, rf=1) |
| |
| def test_rf_gt_nodes_multidc_should_succeed(self): |
| """ |
| Validating a KS with RF > N on multi DC doesn't break bootstrap |
| @jira_ticket CASSANDRA-16296 CASSANDRA-16411 |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate([1, 1]) |
| cluster.start() |
| |
| node1 = cluster.nodelist()[0] |
| node2 = cluster.nodelist()[1] |
| session = self.patient_exclusive_cql_connection(node1) |
| session.execute("CREATE KEYSPACE k WITH REPLICATION = {'class' : 'NetworkTopologyStrategy', 'dc1' : '3'}") |
| |
| # Since CEP-21, this warning is logged twice on the coordinator (node1) as it is a CMS member so it applies the |
| # schema transformation once as a dry run for validation, then again when committing to the metadata log. With |
| # TCM, node2 also logs the warning as it applies the transform when it gets replicated to it by the CMS. |
| if cluster.version() >= '4.0': |
| warning = 'Your replication factor 3 for keyspace k is higher than the number of nodes 1 for datacenter dc1' |
| if cluster.version() >= LooseVersion('5.1'): # we now log this on all nodes |
| assert len(node1.grep_log(warning)) == 2 |
| assert len(node2.grep_log(warning)) == 1 |
| else: |
| assert len(node1.grep_log(warning)) == 1 |
| assert len(node2.grep_log(warning)) == 0 |
| |
| session.execute("ALTER KEYSPACE k WITH REPLICATION = {'class' : 'NetworkTopologyStrategy', 'dc1' : '2'}") |
| session.execute("CREATE TABLE k.testgtrfmultidc (KEY text PRIMARY KEY)") |
| session.execute("INSERT INTO k.testgtrfmultidc (KEY) VALUES ('test_rf_gt_nodes_multidc_should_succeed')") |
| |
| if cluster.version() >= '4.0': |
| warning = 'Your replication factor 2 for keyspace k is higher than the number of nodes 1 for datacenter dc1' |
| if cluster.version() >= LooseVersion('5.1'): |
| assert len(node1.grep_log(warning)) == 2 # we now log this on all nodes |
| assert len(node2.grep_log(warning)) == 1 |
| else: |
| assert len(node1.grep_log(warning)) == 1 |
| assert len(node2.grep_log(warning)) == 0 |
| |
| marks = map(lambda n: n.mark_log(), cluster.nodelist()) |
| node3 = Node(name='node3', |
| cluster=cluster, |
| auto_bootstrap=True, |
| thrift_interface=('127.0.0.3', 9160), |
| storage_interface=('127.0.0.3', 7000), |
| jmx_port='7300', |
| remote_debug_port='0', |
| initial_token=None, |
| binary_interface=('127.0.0.3', 9042)) |
| cluster.add(node3, is_seed=False, data_center="dc1") |
| node3.start(wait_for_binary_proto=True) |
| if cluster.version() >= '4.0': |
| warning = 'is higher than the number of nodes' |
| for (node, mark) in zip(cluster.nodelist(), marks): |
| assert len(node.grep_log(warning, from_mark=mark)) == 0 |
| |
| session3 = self.patient_exclusive_cql_connection(node3) |
| assert_one(session3, "SELECT * FROM k.testgtrfmultidc", ["test_rf_gt_nodes_multidc_should_succeed"]) |
| |
| def _bootstrap_test_with_replica_down(self, consistent_range_movement, rf=2): |
| """ |
| Test to check consistent bootstrap will not succeed when there are insufficient replicas |
| @jira_ticket CASSANDRA-11848 |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| |
| cluster.populate(2) |
| node1, node2 = cluster.nodelist() |
| |
| node3_token = None |
| # Make token assignment deterministic |
| if not self.dtest_config.use_vnodes: |
| cluster.set_configuration_options(values={'num_tokens': 1}) |
| tokens = cluster.balanced_tokens(3) |
| logger.debug("non-vnode tokens: %r" % (tokens,)) |
| node1.set_configuration_options(values={'initial_token': tokens[0]}) |
| node2.set_configuration_options(values={'initial_token': tokens[2]}) |
| node3_token = tokens[1] # Add node 3 between node1 and node2 |
| |
| cluster.start() |
| |
| node1.stress(['write', 'n=10K', 'no-warmup', '-rate', 'threads=8', '-schema', 'replication(factor={})'.format(rf)]) |
| |
| # change system_auth keyspace to 2 (default is 1) to avoid |
| # "Unable to find sufficient sources for streaming" warning |
| if cluster.cassandra_version() >= '2.2.0': |
| session = self.patient_cql_connection(node1) |
| session.execute(""" |
| ALTER KEYSPACE system_auth |
| WITH replication = {'class':'SimpleStrategy', 'replication_factor':2}; |
| """) |
| |
| # Stop node2, so node3 will not be able to perform consistent range movement |
| node2.stop(wait_other_notice=True) |
| |
| successful_bootstrap_expected = not consistent_range_movement |
| |
| node3 = new_node(cluster, token=node3_token) |
| |
| jvmargs = ["-Dcassandra.consistent.rangemovement={}".format(consistent_range_movement)] |
| if cluster.version() >= LooseVersion('5.1'): |
| node3.set_configuration_options(values={'progress_barrier_min_consistency_level': 'NODE_LOCAL', 'progress_barrier_default_consistency_level': 'NODE_LOCAL', 'progress_barrier_timeout': '2000ms'}) |
| node3.start(wait_for_binary_proto=successful_bootstrap_expected, |
| wait_other_notice=successful_bootstrap_expected, |
| jvm_args=jvmargs) |
| |
| if successful_bootstrap_expected: |
| # with rf=1 and cassandra.consistent.rangemovement=false, missing sources are ignored |
| if not consistent_range_movement and rf == 1: |
| node3.watch_log_for("Unable to find sufficient sources for streaming range") |
| assert node3.is_running() |
| assert_bootstrap_state(self, node3, 'COMPLETED') |
| else: |
| if consistent_range_movement: |
| if cluster.version() < '4.0': |
| node3.watch_log_for("A node required to move the data consistently is down") |
| else: |
| node3.watch_log_for("Necessary replicas for strict consistency were removed by source filters") |
| else: |
| node3.watch_log_for("Unable to find sufficient sources for streaming range") |
| assert_not_running(node3) |
| |
| @since('2.2') |
| def test_resumable_bootstrap(self): |
| """ |
| Test resuming bootstrap after data streaming failure |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(2) |
| |
| node1 = cluster.nodes['node1'] |
| # set up byteman |
| node1.byteman_port = '8100' |
| node1.import_config_files() |
| |
| cluster.start() |
| # kill stream to node3 in the middle of streaming to let it fail |
| if cluster.version() < '4.0': |
| node1.byteman_submit([self.byteman_submit_path_pre_4_0]) |
| else: |
| node1.byteman_submit([self.byteman_submit_path_4_0]) |
| node1.stress(['write', 'n=1K', 'no-warmup', 'cl=TWO', '-schema', 'replication(factor=2)', '-rate', 'threads=50']) |
| cluster.flush() |
| |
| # start bootstrapping node3 and wait for streaming |
| node3 = new_node(cluster) |
| node3.start(jvm_args=['-Dcassandra.reset_bootstrap_progress=false'], wait_other_notice=False) |
| |
| # let streaming fail as we expect |
| node3.watch_log_for('Some data streaming failed') |
| |
| # bring back node3 and invoke nodetool bootstrap to resume bootstrapping |
| node3.nodetool(BootstrapTester.nodetool_resume_command(cluster)) |
| node3.wait_for_binary_interface() |
| assert_bootstrap_state(self, node3, 'COMPLETED') |
| |
| # cleanup to guarantee each node will only have sstables of its ranges |
| cluster.cleanup() |
| |
| logger.debug("Check data is present") |
| # Let's check stream bootstrap completely transferred data |
| stdout, stderr, _ = node3.stress(['read', 'n=1k', 'no-warmup', '-schema', 'replication(factor=2)', '-rate', 'threads=8']) |
| |
| if stdout is not None: |
| assert "FAILURE" not in stdout |
| |
| @since('2.2') |
| def test_bootstrap_with_reset_bootstrap_state(self): |
| """Test bootstrap with resetting bootstrap progress""" |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.set_configuration_options(values={'stream_throughput_outbound_megabits_per_sec': 1}) |
| cluster.populate(2).start() |
| |
| node1 = cluster.nodes['node1'] |
| node1.stress(['write', 'n=100K', '-schema', 'replication(factor=2)']) |
| node1.flush() |
| |
| # kill node1 in the middle of streaming to let it fail |
| t = InterruptBootstrap(node1) |
| t.start() |
| |
| # start bootstrapping node3 and wait for streaming |
| node3 = new_node(cluster) |
| try: |
| node3.start() |
| except NodeError: |
| pass # node doesn't start as expected |
| t.join() |
| node1.start() |
| |
| # restart node3 bootstrap with resetting bootstrap progress |
| node3.stop(signal_event=signal.SIGKILL) |
| mark = node3.mark_log() |
| node3.start(jvm_args=["-Dcassandra.reset_bootstrap_progress=true"]) |
| # check if we reset bootstrap state |
| node3.watch_log_for("Resetting bootstrap progress to start fresh", from_mark=mark) |
| # wait for node3 ready to query, 180s as the node needs to bootstrap |
| node3.wait_for_binary_interface(from_mark=mark, timeout=180) |
| |
| # check if 2nd bootstrap succeeded |
| assert_bootstrap_state(self, node3, 'COMPLETED') |
| |
| def test_manual_bootstrap(self): |
| """ |
| Test adding a new node and bootstrapping it manually. No auto_bootstrap. |
| This test also verify that all data are OK after the addition of the new node. |
| @jira_ticket CASSANDRA-9022 |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(2) |
| if cluster.version() <= '5.0': |
| # Nodes need to be started one by one pre-TCM, not all at once. See CASSANDRA-19097 |
| cluster.nodelist()[0].start(wait_for_binary_proto=True) |
| cluster.nodelist()[1].start(wait_for_binary_proto=True) |
| cluster.start() |
| (node1, node2) = cluster.nodelist() |
| |
| node1.stress(['write', 'n=1K', 'no-warmup', '-schema', 'replication(factor=2)', |
| '-rate', 'threads=1', '-pop', 'dist=UNIFORM(1..1000)']) |
| |
| session = self.patient_exclusive_cql_connection(node2) |
| stress_table = 'keyspace1.standard1' |
| |
| query = SimpleStatement("SELECT * FROM %s" % stress_table) |
| original_rows = list(session.execute(query)) |
| |
| # Add a new node |
| node3 = new_node(cluster, bootstrap=False) |
| node3.start(wait_for_binary_proto=True) |
| node3.repair() |
| node1.cleanup() |
| |
| current_rows = list(session.execute(query)) |
| assert original_rows == current_rows |
| |
| def test_local_quorum_bootstrap(self): |
| """ |
| Test that CL local_quorum works while a node is bootstrapping. |
| @jira_ticket CASSANDRA-8058 |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate([1, 1]) |
| cluster.start() |
| |
| node1 = cluster.nodes['node1'] |
| yaml_config = """ |
| # Create the keyspace and table |
| keyspace: keyspace1 |
| keyspace_definition: | |
| CREATE KEYSPACE keyspace1 WITH replication = {'class': 'NetworkTopologyStrategy', 'dc1': 1, 'dc2': 1}; |
| table: users |
| table_definition: |
| CREATE TABLE users ( |
| username text, |
| first_name text, |
| last_name text, |
| email text, |
| PRIMARY KEY(username) |
| ) WITH compaction = {'class':'SizeTieredCompactionStrategy'}; |
| insert: |
| partitions: fixed(1) |
| batchtype: UNLOGGED |
| queries: |
| read: |
| cql: select * from users where username = ? |
| fields: samerow |
| """ |
| with tempfile.NamedTemporaryFile(mode='w+') as stress_config: |
| stress_config.write(yaml_config) |
| stress_config.flush() |
| node1.stress(['user', 'profile=' + stress_config.name, 'n=200K', 'no-warmup', |
| 'ops(insert=1)', '-rate', 'threads=10']) |
| |
| node3 = new_node(cluster, data_center='dc2') |
| node3.start(jvm_args=["-Dcassandra.write_survey=true"], no_wait=True) |
| |
| node3_seen = False |
| for _ in range(30): # give node3 up to 30 seconds to start |
| ntout = node1.nodetool('status').stdout |
| if re.search(r'UJ\s+' + node3.ip_addr, ntout): |
| node3_seen = True |
| break |
| time.sleep(1) |
| |
| assert node3_seen, "expected {} in status:\n{}".format(node3.ip_addr, ntout) |
| |
| out, err, _ = node1.stress(['user', 'profile=' + stress_config.name, 'ops(insert=1)', |
| 'n=10k', 'no-warmup', 'cl=LOCAL_QUORUM', |
| '-rate', 'threads=10', |
| '-errors', 'retries=2']) |
| ntout = node1.nodetool('status').stdout |
| assert re.search(r'UJ\s+' + node3.ip_addr, ntout), ntout |
| |
| logger.debug(out) |
| assert_stderr_clean(err) |
| regex = re.compile("Operation.+error inserting key.+Exception") |
| failure = regex.search(str(out)) |
| assert failure is None, "Error during stress while bootstrapping" |
| |
| def test_shutdown_wiped_node_cannot_join(self): |
| self._wiped_node_cannot_join_test(gently=True) |
| |
| def test_killed_wiped_node_cannot_join(self): |
| self._wiped_node_cannot_join_test(gently=False) |
| |
| def _wiped_node_cannot_join_test(self, gently): |
| """ |
| @jira_ticket CASSANDRA-9765 |
| Test that if we stop a node and wipe its data then the node cannot join |
| when it is not a seed. Test both a nice shutdown or a forced shutdown, via |
| the gently parameter. |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(3) |
| if cluster.version() <= '5.0': |
| # Nodes need to be started one by one pre-TCM, not all at once. See CASSANDRA-19097 |
| cluster.nodelist()[0].start(wait_for_binary_proto=True) |
| cluster.nodelist()[1].start(wait_for_binary_proto=True) |
| cluster.nodelist()[2].start(wait_for_binary_proto=True) |
| cluster.start() |
| |
| stress_table = 'keyspace1.standard1' |
| |
| # write some data |
| node1 = cluster.nodelist()[0] |
| node1.stress(['write', 'n=10K', 'no-warmup', '-rate', 'threads=8']) |
| |
| session = self.patient_cql_connection(node1) |
| query = SimpleStatement("SELECT * FROM {}".format(stress_table)) |
| original_rows = list(session.execute(query)) |
| |
| # Add a new node, bootstrap=True ensures that it is not a seed |
| node4 = new_node(cluster, bootstrap=True) |
| # we skip reconfiguration after this bootstrap since with vnodes node4 might end up taking over the CMS, and then get wiped below |
| node4.start(wait_for_binary_proto=True, jvm_args=["-Dcassandra.test.skip_cms_reconfig_after_topology_change=true"]) |
| |
| session = self.patient_cql_connection(node4) |
| assert original_rows == list(session.execute(query)) |
| |
| # Stop the new node and wipe its data |
| node4.stop(gently=gently) |
| self._cleanup(node4) |
| # Now start it, it should not be allowed to join. |
| mark = node4.mark_log() |
| node4.start(no_wait=True, wait_other_notice=False) |
| node4.watch_log_for("A node with address {} already exists, cancelling join".format(node4.address_for_current_version_slashy()), from_mark=mark) |
| |
| def test_decommissioned_wiped_node_can_join(self): |
| """ |
| @jira_ticket CASSANDRA-9765 |
| Test that if we decommission a node and then wipe its data, it can join the cluster. |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(3) |
| if cluster.version() <= '5.0': |
| # Nodes need to be started one by one pre-TCM, not all at once. See CASSANDRA-19097 |
| cluster.nodelist()[0].start(wait_for_binary_proto=True) |
| cluster.nodelist()[1].start(wait_for_binary_proto=True) |
| cluster.nodelist()[2].start(wait_for_binary_proto=True) |
| cluster.start() |
| |
| stress_table = 'keyspace1.standard1' |
| |
| # write some data |
| node1 = cluster.nodelist()[0] |
| node1.stress(['write', 'n=10K', 'no-warmup', '-rate', 'threads=8']) |
| |
| session = self.patient_cql_connection(node1) |
| query = SimpleStatement("SELECT * FROM {}".format(stress_table)) |
| original_rows = list(session.execute(query)) |
| |
| # Add a new node, bootstrap=True ensures that it is not a seed |
| node4 = new_node(cluster, bootstrap=True) |
| node4.start(wait_for_binary_proto=True) |
| |
| session = self.patient_cql_connection(node4) |
| assert original_rows == list(session.execute(query)) |
| |
| # Decommission the new node and wipe its data |
| node4.decommission() |
| node4.stop() |
| self._cleanup(node4) |
| # Now start it, it should be allowed to join |
| mark = node4.mark_log() |
| node4.start() |
| node4.watch_log_for("JOINING:", from_mark=mark) |
| |
| def test_decommissioned_wiped_node_can_gossip_to_single_seed(self): |
| """ |
| @jira_ticket CASSANDRA-8072 |
| @jira_ticket CASSANDRA-8422 |
| Test that if we decommission a node, kill it and wipe its data, it can join a cluster with a single |
| seed node. |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(1) |
| cluster.start() |
| |
| node1 = cluster.nodelist()[0] |
| # Add a new node, bootstrap=True ensures that it is not a seed |
| node2 = new_node(cluster, bootstrap=True) |
| node2.start(wait_for_binary_proto=True) |
| |
| session = self.patient_cql_connection(node1) |
| |
| if cluster.version() >= '2.2': |
| # reduce system_distributed RF to 2 so we don't require forceful decommission |
| session.execute("ALTER KEYSPACE system_distributed WITH REPLICATION = {'class':'SimpleStrategy', 'replication_factor':'1'};") |
| |
| session.execute("ALTER KEYSPACE system_traces WITH REPLICATION = {'class':'SimpleStrategy', 'replication_factor':'1'};") |
| |
| # Decommision the new node and kill it |
| logger.debug("Decommissioning & stopping node2") |
| node2.decommission() |
| node2.stop(wait_other_notice=False) |
| |
| # Wipe its data |
| for data_dir in node2.data_directories(): |
| logger.debug("Deleting {}".format(data_dir)) |
| shutil.rmtree(data_dir) |
| |
| commitlog_dir = os.path.join(node2.get_path(), 'commitlogs') |
| logger.debug("Deleting {}".format(commitlog_dir)) |
| shutil.rmtree(commitlog_dir) |
| |
| # Now start it, it should be allowed to join |
| mark = node2.mark_log() |
| logger.debug("Restarting wiped node2") |
| node2.start(wait_other_notice=False) |
| node2.watch_log_for("JOINING:", from_mark=mark) |
| |
| def test_failed_bootstrap_wiped_node_can_join(self): |
| """ |
| @jira_ticket CASSANDRA-9765 |
| Test that if a node fails to bootstrap, it can join the cluster even if the data is wiped. |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(1) |
| cluster.set_configuration_options(values={'stream_throughput_outbound_megabits_per_sec': 1}) |
| cluster.start() |
| |
| stress_table = 'keyspace1.standard1' |
| |
| # write some data, enough for the bootstrap to fail later on |
| node1 = cluster.nodelist()[0] |
| node1.stress(['write', 'n=100K', 'no-warmup', '-rate', 'threads=8']) |
| node1.flush() |
| |
| session = self.patient_cql_connection(node1) |
| original_rows = list(session.execute("SELECT * FROM {}".format(stress_table))) |
| |
| # Add a new node, bootstrap=True ensures that it is not a seed |
| node2 = new_node(cluster, bootstrap=True) |
| mark = node1.mark_log() |
| # kill node2 in the middle of bootstrap |
| t = KillOnBootstrap(node2) |
| t.start() |
| |
| node2.start() |
| t.join() |
| assert not node2.is_running() |
| |
| # wipe any data for node2 |
| self._cleanup(node2) |
| if cluster.version() >= LooseVersion('5.1'): |
| node1.watch_log_for("127.0.0.2:7000 is now DOWN", from_mark=mark) |
| res = node1.nodetool('abortbootstrap --ip 127.0.0.2') |
| # Now start it again, it should be allowed to join |
| mark = node2.mark_log() |
| node2.start() |
| node2.watch_log_for("JOINING:", from_mark=mark) |
| |
| @since('3.0') |
| @ported_to_in_jvm('4.1') |
| def test_node_cannot_join_as_hibernating_node_without_replace_address(self): |
| """ |
| @jira_ticket CASSANDRA-14559 |
| Test that a node cannot bootstrap without replace_address if a hibernating node exists with that address |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(2) |
| # Setting seed node to first node to make sure replaced node is not in own seed list |
| cluster.set_configuration_options({ |
| 'seed_provider': [{'class_name': 'org.apache.cassandra.locator.SimpleSeedProvider', |
| 'parameters': [{'seeds': '127.0.0.1'}] |
| }] |
| }) |
| |
| cluster.start() |
| |
| node1 = cluster.nodelist()[0] |
| node2 = cluster.nodelist()[1] |
| |
| replacement_address = node2.address() |
| node2.stop() |
| |
| jvm_option = 'replace_address' |
| |
| logger.debug("Starting replacement node {} with jvm_option '{}={}'".format(replacement_address, jvm_option, |
| replacement_address)) |
| replacement_node = Node('replacement', cluster=self.cluster, auto_bootstrap=True, |
| thrift_interface=None, storage_interface=(replacement_address, 7000), |
| jmx_port='7400', remote_debug_port='0', initial_token=None, |
| binary_interface=(replacement_address, 9042)) |
| cluster.add(replacement_node, False) |
| |
| extra_jvm_args = [] |
| extra_jvm_args.extend(["-Dcassandra.{}={}".format(jvm_option, replacement_address), |
| "-Dcassandra.ring_delay_ms=10000", |
| "-Dcassandra.broadcast_interval_ms=10000"]) |
| |
| wait_other_notice = False |
| wait_for_binary_proto = False |
| |
| # Killing node earlier in bootstrap to prevent node making it to 'normal' status. |
| t = KillOnReadyToBootstrap(replacement_node) |
| |
| t.start() |
| |
| replacement_node.start(jvm_args=extra_jvm_args, |
| wait_for_binary_proto=wait_for_binary_proto, wait_other_notice=wait_other_notice) |
| |
| t.join() |
| |
| logger.debug("Asserting that original replacement node is not running") |
| assert not replacement_node.is_running() |
| |
| # Assert node is actually in hibernate for test to be accurate. |
| logger.debug("Asserting that node is actually in hibernate status for test accuracy") |
| assert 'hibernate' in node1.nodetool("gossipinfo").stdout |
| |
| extra_jvm_args = [] |
| extra_jvm_args.extend(["-Dcassandra.ring_delay_ms=10000", |
| "-Dcassandra.broadcast_interval_ms=10000"]) |
| |
| logger.debug("Starting blind replacement node {}".format(replacement_address)) |
| blind_replacement_node = Node('blind_replacement', cluster=self.cluster, auto_bootstrap=True, |
| thrift_interface=None, storage_interface=(replacement_address, 7000), |
| jmx_port='7400', remote_debug_port='0', initial_token=None, |
| binary_interface=(replacement_address, 9042)) |
| cluster.add(blind_replacement_node, False) |
| wait_other_notice = False |
| wait_for_binary_proto = False |
| |
| blind_replacement_node.start(wait_for_binary_proto=wait_for_binary_proto, wait_other_notice=wait_other_notice) |
| |
| # Asserting that the new node has correct log entry |
| self.assert_log_had_msg(blind_replacement_node, "A node with the same IP in hibernate status was detected", timeout=60) |
| # Waiting two seconds to give node a chance to stop in case above assertion is True. |
| # When this happens cassandra may not shut down fast enough and the below assertion fails. |
| time.sleep(15) |
| # Asserting that then new node is not running. |
| # This tests the actual expected state as opposed to just checking for the existance of the above error message. |
| assert not blind_replacement_node.is_running() |
| |
| |
| # this test relies on startup of .2 being slow, allowing .3 to start before .2 has finished joining |
| # with tcm this is much quicker, and this is now covered by better tests |
| @since('2.1.1', max_version='5.0.x') |
| def test_simultaneous_bootstrap(self): |
| """ |
| Attempt to bootstrap two nodes at once, to assert the second bootstrapped node fails, and does not interfere. |
| |
| Start a one node cluster and run a stress write workload. |
| Start up a second node, and wait for the first node to detect it has joined the cluster. |
| While the second node is bootstrapping, start a third node. This should fail. |
| |
| @jira_ticket CASSANDRA-7069 |
| @jira_ticket CASSANDRA-9484 |
| """ |
| |
| bootstrap_error = "Other bootstrapping/leaving/moving nodes detected," \ |
| " cannot bootstrap while cassandra.consistent.rangemovement is true" |
| |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(1) |
| cluster.start() |
| |
| node1, = cluster.nodelist() |
| |
| node1.stress(['write', 'n=500K', 'no-warmup', '-schema', 'replication(factor=1)', |
| '-rate', 'threads=10']) |
| |
| node2 = new_node(cluster) |
| node2.start() |
| |
| for _ in range(30): # wait until node2 shows up |
| ntout = node1.nodetool('status').stdout |
| if re.search(r'UJ\s+' + node2.ip_addr, ntout): |
| break |
| time.sleep(0.1) |
| |
| node3 = new_node(cluster, remote_debug_port='2003') |
| try: |
| node3.start(wait_other_notice=False, verbose=False) |
| except NodeError: |
| pass # node doesn't start as expected |
| |
| time.sleep(.5) |
| node2.watch_log_for("Starting listening for CQL clients") |
| |
| node3.watch_log_for(bootstrap_error) |
| |
| session = self.patient_exclusive_cql_connection(node2) |
| |
| # Repeat the select count(*) query, to help catch |
| # bugs like 9484, where count(*) fails at higher |
| # data loads. |
| for _ in range(5): |
| assert_one(session, "SELECT count(*) from keyspace1.standard1", [500000], cl=ConsistencyLevel.ONE) |
| |
| def test_cleanup(self): |
| """ |
| @jira_ticket CASSANDRA-11179 |
| Make sure we remove processed files during cleanup |
| """ |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.set_configuration_options(values={'concurrent_compactors': 4}) |
| cluster.populate(1) |
| cluster.start() |
| node1, = cluster.nodelist() |
| for x in range(0, 5): |
| node1.stress(['write', 'n=100k', 'no-warmup', '-schema', 'compaction(strategy=SizeTieredCompactionStrategy,enabled=false)', 'replication(factor=1)', '-rate', 'threads=10']) |
| node1.flush() |
| node2 = new_node(cluster) |
| node2.start(wait_for_binary_proto=True) |
| event = threading.Event() |
| failed = threading.Event() |
| jobs = 1 |
| thread = threading.Thread(target=self._monitor_datadir, args=(node1, event, len(node1.get_sstables("keyspace1", "standard1")), jobs, failed)) |
| thread.setDaemon(True) |
| thread.start() |
| node1.nodetool("cleanup -j {} keyspace1 standard1".format(jobs)) |
| event.set() |
| thread.join() |
| assert not failed.is_set() |
| |
| def _monitor_datadir(self, node, event, basecount, jobs, failed): |
| while True: |
| sstables = [s for s in node.get_sstables("keyspace1", "standard1") if "tmplink" not in s] |
| if len(sstables) > basecount + jobs: |
| logger.error("---") |
| for sstable in sstables: |
| logger.error(sstable) |
| logger.error("Current count is {}, basecount was {}".format(len(sstables), basecount)) |
| failed.set() |
| return |
| if event.is_set(): |
| return |
| time.sleep(.1) |
| |
| def _cleanup(self, node): |
| commitlog_dir = os.path.join(node.get_path(), 'commitlogs') |
| for data_dir in node.data_directories(): |
| logger.debug("Deleting {}".format(data_dir)) |
| shutil.rmtree(data_dir) |
| shutil.rmtree(commitlog_dir) |
| |
| @since('2.2') |
| @pytest.mark.ported_to_in_jvm # see org.apache.cassandra.distributed.test.BootstrapBinaryDisabledTest |
| def test_bootstrap_binary_disabled(self): |
| """ |
| Test binary while bootstrapping and streaming fails. |
| |
| This test was ported to jvm-dtest org.apache.cassandra.distributed.test.BootstrapBinaryDisabledTest, |
| as of this writing there are a few limitations with jvm-dtest which requries this test to |
| stay, namely vnode support (ci also tests under different configs). Once jvm-dtest supports |
| vnodes, this test can go away in favor of that class. |
| |
| @jira_ticket CASSANDRA-14526, CASSANDRA-14525, CASSANDRA-16127 |
| """ |
| config = {'authenticator': 'org.apache.cassandra.auth.PasswordAuthenticator', |
| 'authorizer': 'org.apache.cassandra.auth.CassandraAuthorizer', |
| 'role_manager': 'org.apache.cassandra.auth.CassandraRoleManager', |
| 'permissions_validity_in_ms': 0, |
| 'roles_validity_in_ms': 0} |
| |
| cluster = self.cluster |
| cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED', 'True') |
| cluster.populate(1) |
| |
| node1 = cluster.nodes['node1'] |
| # set up byteman |
| node1.byteman_port = '8100' |
| node1.import_config_files() |
| |
| cluster.start() |
| # kill stream to node2 in the middle of streaming to let it fail |
| if cluster.version() < '4.0': |
| node1.byteman_submit([self.byteman_submit_path_pre_4_0]) |
| else: |
| node1.byteman_submit([self.byteman_submit_path_4_0]) |
| node1.stress(['write', 'n=1K', 'no-warmup', 'cl=ONE', '-schema', 'replication(factor=3)', '-rate', 'threads=50', '-mode', 'native', 'cql3', 'user=cassandra', 'password=cassandra']) |
| cluster.flush() |
| |
| # start bootstrapping node2 and wait for streaming |
| node2 = new_node(cluster) |
| node2.set_configuration_options(values=config) |
| node2.byteman_port = '8101' # set for when we add node3 |
| node2.import_config_files() |
| node2.start(jvm_args=["-Dcassandra.ring_delay_ms=5000", "-Dcassandra.reset_bootstrap_progress=false"]) |
| self.assert_log_had_msg(node2, 'Some data streaming failed') |
| |
| try: |
| node2.nodetool('join') |
| pytest.fail('nodetool should have errored and failed to join ring') |
| except ToolError as t: |
| assert "Cannot join the ring until bootstrap completes" in t.stdout |
| |
| node2.nodetool(BootstrapTester.nodetool_resume_command(cluster)) |
| node2.wait_for_binary_interface() |
| assert_bootstrap_state(self, node2, 'COMPLETED', user='cassandra', password='cassandra') |
| |
| # Test write survey behaviour |
| node3 = new_node(cluster) |
| node3.set_configuration_options(values=config) |
| |
| # kill stream to node3 in the middle of streaming to let it fail |
| if cluster.version() < '4.0': |
| node1.byteman_submit([self.byteman_submit_path_pre_4_0]) |
| node2.byteman_submit([self.byteman_submit_path_pre_4_0]) |
| else: |
| node1.byteman_submit([self.byteman_submit_path_4_0]) |
| node2.byteman_submit([self.byteman_submit_path_4_0]) |
| node3.start(jvm_args=["-Dcassandra.write_survey=true", "-Dcassandra.ring_delay_ms=5000", "-Dcassandra.reset_bootstrap_progress=false"]) |
| self.assert_log_had_msg(node3, 'Some data streaming failed') |
| self.assert_log_had_msg(node3, "Not starting client transports in write_survey mode as it's bootstrapping or auth is enabled") |
| |
| try: |
| node3.nodetool('join') |
| pytest.fail('nodetool should have errored and failed to join ring') |
| except ToolError as t: |
| assert "Cannot join the ring until bootstrap completes" in t.stdout |
| |
| node3.nodetool(BootstrapTester.nodetool_resume_command(cluster)) |
| self.assert_log_had_msg(node3, "Not starting client transports in write_survey mode as it's bootstrapping or auth is enabled") |
| |
| # Should succeed in joining |
| node3.nodetool('join') |
| self.assert_log_had_msg(node3, "Leaving write survey mode and joining ring at operator request") |
| assert_bootstrap_state(self, node3, 'COMPLETED', user='cassandra', password='cassandra') |
| node3.wait_for_binary_interface() |
| |
| @staticmethod |
| def nodetool_resume_command(cluster): |
| """ |
| In versions after 4.1, we disable resumable bootstrap by default (see CASSANDRA-17679). In order to run |
| nodetool boostrap resume in these subsequent versions we have to manually indicate the intent to allow resumability. |
| """ |
| nt_resume_cmd = 'bootstrap resume' |
| if cluster.version() >= '4.2': |
| nt_resume_cmd += ' -f' |
| return nt_resume_cmd |
| |
| |
| class TestBootstrap(BootstrapTester): |
| """ |
| This child class is a helper for PyTest to pick up the test methods. |
| Since the same test methods are executed as part of upgrade, this helper child class is |
| necessary to avoid double execution of the same tests. |
| It is necessary to put some dummy expression in this child class. |
| """ |
| pass |
