248 lines
8.7 KiB
Python
248 lines
8.7 KiB
Python
# Copyright 2014 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from proboscis import test
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from proboscis.asserts import assert_equal
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from proboscis.asserts import assert_raises
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from proboscis.asserts import assert_true
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from proboscis.decorators import time_out
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from proboscis import SkipTest
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from trove.common.utils import generate_uuid
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from trove.common.utils import poll_until
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from trove.tests.api.instances import CheckInstance
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from trove.tests.api.instances import instance_info
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from trove.tests.api.instances import TIMEOUT_INSTANCE_CREATE
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from trove.tests.api.instances import TIMEOUT_INSTANCE_DELETE
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from trove.tests.api.instances import WaitForGuestInstallationToFinish
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from trove.tests.config import CONFIG
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from trove.tests.util.server_connection import create_server_connection
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from troveclient.compat import exceptions
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class SlaveInstanceTestInfo(object):
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"""Stores slave instance information."""
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def __init__(self):
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self.id = None
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self.replicated_db = generate_uuid()
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GROUP = "dbaas.api.replication"
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slave_instance = SlaveInstanceTestInfo()
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existing_db_on_master = generate_uuid()
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def _get_user_count(server_info):
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cmd = ('mysql -BNq -e \\\'select count\\(*\\) from mysql.user'
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' where user like \\\"slave_%\\\"\\\'')
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server = create_server_connection(server_info.id)
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stdout, stderr = server.execute(cmd)
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return int(stdout.rstrip())
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def slave_is_running(running=True):
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def check_slave_is_running():
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server = create_server_connection(slave_instance.id)
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cmd = ("mysqladmin extended-status "
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"| awk '/Slave_running/{print $4}'")
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stdout, stderr = server.execute(cmd)
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expected = "ON" if running else "OFF"
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return stdout.rstrip() == expected
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return check_slave_is_running
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@test(depends_on_classes=[WaitForGuestInstallationToFinish],
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groups=[GROUP])
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class CreateReplicationSlave(object):
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@test
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def test_create_db_on_master(self):
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databases = [{'name': existing_db_on_master}]
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instance_info.dbaas.databases.create(instance_info.id, databases)
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assert_equal(202, instance_info.dbaas.last_http_code)
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@test(runs_after=['test_create_db_on_master'])
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def test_create_slave(self):
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result = instance_info.dbaas.instances.create(
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instance_info.name + "_slave",
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instance_info.dbaas_flavor_href,
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instance_info.volume,
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slave_of=instance_info.id)
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assert_equal(200, instance_info.dbaas.last_http_code)
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assert_equal("BUILD", result.status)
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slave_instance.id = result.id
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@test(groups=[GROUP])
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class WaitForCreateSlaveToFinish(object):
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"""Wait until the instance is created and set up as slave."""
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@test(depends_on=[CreateReplicationSlave.test_create_slave])
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@time_out(TIMEOUT_INSTANCE_CREATE)
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def test_slave_created(self):
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def result_is_active():
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instance = instance_info.dbaas.instances.get(slave_instance.id)
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if instance.status == "ACTIVE":
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return True
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else:
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assert_true(instance.status in ['BUILD', 'BACKUP'])
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return False
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poll_until(result_is_active)
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@test(enabled=(not CONFIG.fake_mode),
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depends_on=[WaitForCreateSlaveToFinish],
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groups=[GROUP])
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class VerifySlave(object):
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def db_is_found(self, database_to_find):
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def find_database():
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databases = instance_info.dbaas.databases.list(slave_instance.id)
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return (database_to_find
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in [d.name for d in databases])
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return find_database
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@test
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@time_out(5 * 60)
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def test_correctly_started_replication(self):
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poll_until(slave_is_running())
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@test(runs_after=[test_correctly_started_replication])
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def test_backup_deleted(self):
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backup = instance_info.dbaas.instances.backups(instance_info.id)
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assert_equal(len(backup), 0)
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@test(depends_on=[test_correctly_started_replication])
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def test_slave_is_read_only(self):
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cmd = "mysql -BNq -e \\\'select @@read_only\\\'"
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server = create_server_connection(slave_instance.id)
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stdout, stderr = server.execute(cmd)
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assert_equal(stdout, "1\n")
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@test(depends_on=[test_slave_is_read_only])
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def test_create_db_on_master(self):
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databases = [{'name': slave_instance.replicated_db}]
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instance_info.dbaas.databases.create(instance_info.id, databases)
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assert_equal(202, instance_info.dbaas.last_http_code)
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@test(depends_on=[test_create_db_on_master])
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@time_out(5 * 60)
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def test_database_replicated_on_slave(self):
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poll_until(self.db_is_found(slave_instance.replicated_db))
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@test(runs_after=[test_database_replicated_on_slave])
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@time_out(5 * 60)
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def test_existing_db_exists_on_slave(self):
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poll_until(self.db_is_found(existing_db_on_master))
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@test(depends_on=[test_existing_db_exists_on_slave])
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def test_slave_user_exists(self):
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assert_equal(_get_user_count(slave_instance), 1)
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assert_equal(_get_user_count(instance_info), 1)
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@test(groups=[GROUP],
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depends_on=[WaitForCreateSlaveToFinish],
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runs_after=[VerifySlave])
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class TestInstanceListing(object):
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"""Test replication information in instance listing."""
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@test
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def test_get_slave_instance(self):
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instance = instance_info.dbaas.instances.get(slave_instance.id)
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assert_equal(200, instance_info.dbaas.last_http_code)
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instance_dict = instance._info
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print("instance_dict=%s" % instance_dict)
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CheckInstance(instance_dict).slave_of()
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assert_equal(instance_info.id, instance_dict['replica_of']['id'])
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@test
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def test_get_master_instance(self):
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instance = instance_info.dbaas.instances.get(instance_info.id)
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assert_equal(200, instance_info.dbaas.last_http_code)
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instance_dict = instance._info
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print("instance_dict=%s" % instance_dict)
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CheckInstance(instance_dict).slaves()
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assert_equal(slave_instance.id, instance_dict['replicas'][0]['id'])
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@test(groups=[GROUP],
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depends_on=[WaitForCreateSlaveToFinish],
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runs_after=[VerifySlave])
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class DetachReplica(object):
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@test
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def delete_before_detach_replica(self):
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assert_raises(exceptions.Forbidden,
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instance_info.dbaas.instances.delete,
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instance_info.id)
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@test
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@time_out(5 * 60)
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def test_detach_replica(self):
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if CONFIG.fake_mode:
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raise SkipTest("Detach replica not supported in fake mode")
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instance_info.dbaas.instances.edit(slave_instance.id,
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detach_replica_source=True)
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assert_equal(202, instance_info.dbaas.last_http_code)
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poll_until(slave_is_running(False))
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@test(depends_on=[test_detach_replica])
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def test_slave_is_not_read_only(self):
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if CONFIG.fake_mode:
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raise SkipTest("Test not_read_only not supported in fake mode")
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cmd = "mysql -BNq -e \\\'select @@read_only\\\'"
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server = create_server_connection(slave_instance.id)
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stdout, stderr = server.execute(cmd)
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assert_equal(stdout, "0\n")
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@test(depends_on=[test_detach_replica])
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def test_slave_user_removed(self):
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if CONFIG.fake_mode:
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raise SkipTest("Test not_read_only not supported in fake mode")
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def _slave_user_deleted():
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return _get_user_count(instance_info) == 0
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poll_until(_slave_user_deleted)
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@test(groups=[GROUP],
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depends_on=[WaitForCreateSlaveToFinish],
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runs_after=[DetachReplica])
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class DeleteSlaveInstance(object):
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@test
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@time_out(TIMEOUT_INSTANCE_DELETE)
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def test_delete_slave_instance(self):
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instance_info.dbaas.instances.delete(slave_instance.id)
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assert_equal(202, instance_info.dbaas.last_http_code)
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def instance_is_gone():
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try:
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instance_info.dbaas.instances.get(slave_instance.id)
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return False
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except exceptions.NotFound:
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return True
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poll_until(instance_is_gone)
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assert_raises(exceptions.NotFound, instance_info.dbaas.instances.get,
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slave_instance.id)
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