Python service.MySqlAppStatus类代码示例

    def prepare(self, context, packages, databases, memory_mb, users,
                device_path=None, mount_point=None, backup_info=None,
                config_contents=None, root_password=None, overrides=None,
                cluster_config=None, snapshot=None):
        """Makes ready DBAAS on a Guest container."""
        MySqlAppStatus.get().begin_install()
        # status end_mysql_install set with secure()
        app = MySqlApp(MySqlAppStatus.get())
        app.install_if_needed(packages)
        if device_path:
            # stop and do not update database
            app.stop_db()
            device = volume.VolumeDevice(device_path)
            # unmount if device is already mounted
            device.unmount_device(device_path)
            device.format()
            if os.path.exists(mount_point):
                # rsync existing data to a "data" sub-directory
                # on the new volume
                device.migrate_data(mount_point, target_subdir="data")
            # mount the volume
            device.mount(mount_point)
            operating_system.chown(mount_point, 'mysql', 'mysql',
                                   recursive=False, as_root=True)

            LOG.debug("Mounted the volume at %s." % mount_point)
            # We need to temporarily update the default my.cnf so that
            # mysql will start after the volume is mounted. Later on it
            # will be changed based on the config template and restart.
            app.update_overrides("[mysqld]\ndatadir=%s/data\n"
                                 % mount_point)
            app.start_mysql()
        if backup_info:
            self._perform_restore(backup_info, context,
                                  mount_point + "/data", app)
        LOG.debug("Securing MySQL now.")
        app.secure(config_contents, overrides)
        enable_root_on_restore = (backup_info and
                                  MySqlAdmin().is_root_enabled())
        if root_password and not backup_info:
            app.secure_root(secure_remote_root=True)
            MySqlAdmin().enable_root(root_password)
        elif enable_root_on_restore:
            app.secure_root(secure_remote_root=False)
            MySqlAppStatus.get().report_root(context, 'root')
        else:
            app.secure_root(secure_remote_root=True)

        app.complete_install_or_restart()

        if databases:
            self.create_database(context, databases)

        if users:
            self.create_user(context, users)

        if snapshot:
            self.attach_replica(context, snapshot, snapshot['config'])

        LOG.info(_('Completed setup of MySQL database instance.'))

class MySqlAppStatusTest(testtools.TestCase):

    def setUp(self):
        super(MySqlAppStatusTest, self).setUp()
        util.init_db()
        self.orig_utils_execute_with_timeout = dbaas.utils.execute_with_timeout
        self.orig_load_mysqld_options = dbaas.load_mysqld_options
        self.orig_dbaas_os_path_exists = dbaas.os.path.exists
        self.orig_dbaas_time_sleep = dbaas.time.sleep
        self.FAKE_ID = randint(1, 10000)
        InstanceServiceStatus.create(instance_id=self.FAKE_ID,
                                     status=rd_instance.ServiceStatuses.NEW)
        dbaas.CONF.guest_id = self.FAKE_ID

    def tearDown(self):
        super(MySqlAppStatusTest, self).tearDown()
        dbaas.utils.execute_with_timeout = self.orig_utils_execute_with_timeout
        dbaas.load_mysqld_options = self.orig_load_mysqld_options
        dbaas.os.path.exists = self.orig_dbaas_os_path_exists
        dbaas.time.sleep = self.orig_dbaas_time_sleep
        InstanceServiceStatus.find_by(instance_id=self.FAKE_ID).delete()
        dbaas.CONF.guest_id = None

    def test_get_actual_db_status(self):

        dbaas.utils.execute_with_timeout = Mock(return_value=(None, None))

        self.mySqlAppStatus = MySqlAppStatus()
        status = self.mySqlAppStatus._get_actual_db_status()

        self.assertEqual(rd_instance.ServiceStatuses.RUNNING, status)

    def test_get_actual_db_status_error_shutdown(self):

        from trove.common.exception import ProcessExecutionError
        mocked = Mock(side_effect=ProcessExecutionError())
        dbaas.utils.execute_with_timeout = mocked
        dbaas.load_mysqld_options = Mock()
        dbaas.os.path.exists = Mock(return_value=False)

        self.mySqlAppStatus = MySqlAppStatus()
        status = self.mySqlAppStatus._get_actual_db_status()

        self.assertEqual(rd_instance.ServiceStatuses.SHUTDOWN, status)

    def test_get_actual_db_status_error_crashed(self):

        from trove.common.exception import ProcessExecutionError
        dbaas.utils.execute_with_timeout = MagicMock(
            side_effect=[ProcessExecutionError(), ("some output", None)])
        dbaas.load_mysqld_options = Mock()
        dbaas.os.path.exists = Mock(return_value=True)

        self.mySqlAppStatus = MySqlAppStatus()
        status = self.mySqlAppStatus._get_actual_db_status()

        self.assertEqual(rd_instance.ServiceStatuses.BLOCKED, status)

    def prepare(self, context, packages, databases, memory_mb, users,
                device_path=None, mount_point=None, backup_info=None,
                config_contents=None, root_password=None, overrides=None,
                cluster_config=None, snapshot=None):
        """Makes ready DBAAS on a Guest container."""
        MySqlAppStatus.get().begin_install()
        # status end_mysql_install set with secure()
        app = MySqlApp(MySqlAppStatus.get())
        app.install_if_needed(packages)
        if device_path:
            #stop and do not update database
            app.stop_db()
            device = volume.VolumeDevice(device_path)
            # unmount if device is already mounted
            device.unmount_device(device_path)
            device.format()
            if os.path.exists(mount_point):
                #rsync exiting data
                device.migrate_data(mount_point)
            #mount the volume
            device.mount(mount_point)
            LOG.debug("Mounted the volume.")
            app.start_mysql()
        if backup_info:
            self._perform_restore(backup_info, context,
                                  mount_point, app)
        LOG.debug("Securing MySQL now.")
        app.secure(config_contents, overrides)
        enable_root_on_restore = (backup_info and
                                  MySqlAdmin().is_root_enabled())
        if root_password and not backup_info:
            app.secure_root(secure_remote_root=True)
            MySqlAdmin().enable_root(root_password)
        elif enable_root_on_restore:
            app.secure_root(secure_remote_root=False)
            MySqlAppStatus.get().report_root('root')
        else:
            app.secure_root(secure_remote_root=True)

        app.complete_install_or_restart()

        if databases:
            self.create_database(context, databases)

        if users:
            self.create_user(context, users)

        if snapshot:
            self.attach_replica(context, snapshot, snapshot['config'])

        LOG.info(_('Completed setup of MySQL database instance.'))

    def prepare(self, context, databases, memory_mb, users, device_path=None,
                mount_point=None, backup_id=None, config_contents=None,
                root_password=None):
        """Makes ready DBAAS on a Guest container."""
        MySqlAppStatus.get().begin_install()
        # status end_mysql_install set with secure()
        app = MySqlApp(MySqlAppStatus.get())
        restart_mysql = False
        if device_path:
            device = volume.VolumeDevice(device_path)
            device.format()
            #if a /var/lib/mysql folder exists, back it up.
            if os.path.exists(CONF.mount_point):
                #stop and do not update database
                app.stop_db()
                #rsync exiting data
                if not backup_id:
                    restart_mysql = True
                    device.migrate_data(CONF.mount_point)
            #mount the volume
            device.mount(mount_point)
            LOG.debug(_("Mounted the volume."))
            #check mysql was installed and stopped
            if restart_mysql:
                app.start_mysql()
        app.install_if_needed()
        if backup_id:
            self._perform_restore(backup_id, context, CONF.mount_point, app)
        LOG.info(_("Securing mysql now."))
        app.secure(config_contents)
        enable_root_on_restore = (backup_id and MySqlAdmin().is_root_enabled())
        if root_password and not backup_id:
            app.secure_root(secure_remote_root=True)
            MySqlAdmin().enable_root(root_password)
            MySqlAdmin().report_root_enabled(context)
        elif enable_root_on_restore:
            app.secure_root(secure_remote_root=False)
            MySqlAdmin().report_root_enabled(context)
        else:
            app.secure_root(secure_remote_root=True)

        app.complete_install_or_restart()

        if databases:
            self.create_database(context, databases)

        if users:
            self.create_user(context, users)

        LOG.info('"prepare" call has finished.')

    def get_replication_snapshot(self, context, snapshot_info,
                                 replica_source_config=None):
        LOG.debug("Getting replication snapshot.")
        app = MySqlApp(MySqlAppStatus.get())

        replication = REPLICATION_STRATEGY_CLASS(context)
        replication.enable_as_master(app, replica_source_config)

        snapshot_id, log_position = (
            replication.snapshot_for_replication(context, app, None,
                                                 snapshot_info))

        mount_point = CONF.get(MANAGER).mount_point
        volume_stats = dbaas.get_filesystem_volume_stats(mount_point)

        replication_snapshot = {
            'dataset': {
                'datastore_manager': MANAGER,
                'dataset_size': volume_stats.get('used', 0.0),
                'volume_size': volume_stats.get('total', 0.0),
                'snapshot_id': snapshot_id
            },
            'replication_strategy': REPLICATION_STRATEGY,
            'master': replication.get_master_ref(app, snapshot_info),
            'log_position': log_position
        }

        return replication_snapshot

    def test_get_actual_db_status(self):

        dbaas.utils.execute_with_timeout = Mock(return_value=(None, None))

        self.mySqlAppStatus = MySqlAppStatus()
        status = self.mySqlAppStatus._get_actual_db_status()

        self.assertEqual(rd_instance.ServiceStatuses.RUNNING, status)

 def attach_replication_slave(self, context, snapshot, slave_config):
     LOG.debug("Attaching replication snapshot.")
     app = MySqlApp(MySqlAppStatus.get())
     try:
         self._validate_slave_for_replication(context, snapshot)
         replication = REPLICATION_STRATEGY_CLASS(context)
         replication.enable_as_slave(app, snapshot, slave_config)
     except Exception:
         LOG.exception("Error enabling replication.")
         app.status.set_status(rd_instance.ServiceStatuses.FAILED)
         raise

    def test_get_actual_db_status_error_crashed(self):

        from trove.common.exception import ProcessExecutionError
        dbaas.utils.execute_with_timeout = MagicMock(
            side_effect=[ProcessExecutionError(), ("some output", None)])
        dbaas.load_mysqld_options = Mock()
        dbaas.os.path.exists = Mock(return_value=True)

        self.mySqlAppStatus = MySqlAppStatus()
        status = self.mySqlAppStatus._get_actual_db_status()

        self.assertEqual(rd_instance.ServiceStatuses.BLOCKED, status)

    def test_get_actual_db_status_error_shutdown(self):

        from trove.common.exception import ProcessExecutionError
        mocked = Mock(side_effect=ProcessExecutionError())
        dbaas.utils.execute_with_timeout = mocked
        dbaas.load_mysqld_options = Mock()
        dbaas.os.path.exists = Mock(return_value=False)

        self.mySqlAppStatus = MySqlAppStatus()
        status = self.mySqlAppStatus._get_actual_db_status()

        self.assertEqual(rd_instance.ServiceStatuses.SHUTDOWN, status)

 def enable_as_master(self, context, replica_source_config):
     LOG.debug("Calling enable_as_master.")
     app = MySqlApp(MySqlAppStatus.get())
     replication = REPLICATION_STRATEGY_CLASS(context)
     replication.enable_as_master(app, replica_source_config)

 def apply_overrides(self, context, overrides):
     LOG.debug("Applying overrides (%s)." % overrides)
     app = MySqlApp(MySqlAppStatus.get())
     app.apply_overrides(overrides)

 def update_overrides(self, context, overrides, remove=False):
     app = MySqlApp(MySqlAppStatus.get())
     if remove:
         app.remove_overrides()
     app.update_overrides(overrides)

 def detach_replica(self, context):
     LOG.debug("Detaching replica.")
     app = MySqlApp(MySqlAppStatus.get())
     replication = REPLICATION_STRATEGY_CLASS(context)
     replication.detach_slave(app)

 def get_latest_txn_id(self, context):
     LOG.debug("Calling get_latest_txn_id.")
     return MySqlApp(MySqlAppStatus.get()).get_latest_txn_id()

 def detach_replica(self, context, for_failover=False):
     LOG.debug("Detaching replica.")
     app = MySqlApp(MySqlAppStatus.get())
     replication = REPLICATION_STRATEGY_CLASS(context)
     replica_info = replication.detach_slave(app, for_failover)
     return replica_info