diff --git a/manila/db/api.py b/manila/db/api.py index aedf0fc4ca..3d2af23a29 100644 --- a/manila/db/api.py +++ b/manila/db/api.py @@ -1326,3 +1326,15 @@ def message_destroy(context, message_id): def cleanup_expired_messages(context): """Soft delete expired messages""" return IMPL.cleanup_expired_messages(context) + + +def backend_info_get(context, host): + """Get hash info for given host.""" + return IMPL.backend_info_get(context, host) + + +def backend_info_update(context, host, value=None, + delete_existing=False): + """Update hash info for host.""" + return IMPL.backend_info_update(context, host=host, value=value, + delete_existing=delete_existing) diff --git a/manila/db/migrations/alembic/versions/4a482571410f_add_backends_info_table.py b/manila/db/migrations/alembic/versions/4a482571410f_add_backends_info_table.py new file mode 100644 index 0000000000..26eaf6e268 --- /dev/null +++ b/manila/db/migrations/alembic/versions/4a482571410f_add_backends_info_table.py @@ -0,0 +1,62 @@ +# Copyright 2017 Huawei inc. +# All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +"""add_backend_info_table + +Revision ID: 4a482571410f +Revises: 27cb96d991fa +Create Date: 2017-05-18 14:47:38.201658 + +""" + +# revision identifiers, used by Alembic. +revision = '4a482571410f' +down_revision = '27cb96d991fa' + +from alembic import op +from oslo_log import log +import sqlalchemy as sql + +LOG = log.getLogger(__name__) + +backend_info_table_name = 'backend_info' + + +def upgrade(): + try: + op.create_table( + backend_info_table_name, + sql.Column('created_at', sql.DateTime), + sql.Column('updated_at', sql.DateTime), + sql.Column('deleted_at', sql.DateTime), + sql.Column('deleted', sql.Integer, default=0), + sql.Column('host', sql.String(255), + nullable=False, primary_key=True), + sql.Column('info_hash', sql.String(255), + nullable=False), + mysql_engine='InnoDB', + ) + except Exception: + LOG.error("Table |%s| not created!", + backend_info_table_name) + raise + + +def downgrade(): + try: + op.drop_table(backend_info_table_name) + except Exception: + LOG.error("%s table not dropped", backend_info_table_name) + raise diff --git a/manila/db/sqlalchemy/api.py b/manila/db/sqlalchemy/api.py index 4ed76c6f5e..4e6d7e98f1 100644 --- a/manila/db/sqlalchemy/api.py +++ b/manila/db/sqlalchemy/api.py @@ -4911,3 +4911,56 @@ def cleanup_expired_messages(context): with session.begin(): return session.query(models.Message).filter( models.Message.expires_at < now).delete() + + +@require_context +def backend_info_get(context, host): + """Get hash info for given host.""" + session = get_session() + + result = _backend_info_query(session, context, host) + + return result + + +@require_context +def backend_info_create(context, host, value): + session = get_session() + with session.begin(): + info_ref = models.BackendInfo() + info_ref.update({"host": host, + "info_hash": value}) + info_ref.save(session) + return info_ref + + +@require_context +def backend_info_update(context, host, value=None, delete_existing=False): + """Remove backend info for host name.""" + session = get_session() + + with session.begin(): + info_ref = _backend_info_query(session, context, host) + if info_ref: + if value: + info_ref.update({"info_hash": value}) + elif delete_existing and info_ref['deleted'] != 1: + info_ref.update({"deleted": 1, + "deleted_at": timeutils.utcnow()}) + else: + info_ref = models.BackendInfo() + info_ref.update({"host": host, + "info_hash": value}) + info_ref.save(session) + return info_ref + + +def _backend_info_query(session, context, host, read_deleted=False): + result = model_query( + context, models.BackendInfo, session=session, + read_deleted=read_deleted, + ).filter_by( + host=host, + ).first() + + return result diff --git a/manila/db/sqlalchemy/models.py b/manila/db/sqlalchemy/models.py index e751f9c1b8..6a07de1013 100644 --- a/manila/db/sqlalchemy/models.py +++ b/manila/db/sqlalchemy/models.py @@ -1220,6 +1220,13 @@ class Message(BASE, ManilaBase): deleted = Column(String(36), default='False') +class BackendInfo(BASE, ManilaBase): + """Represent Backend Info.""" + __tablename__ = "backend_info" + host = Column(String(255), primary_key=True) + info_hash = Column(String(255)) + + def register_models(): """Register Models and create metadata. diff --git a/manila/share/driver.py b/manila/share/driver.py index df92d73e1f..133bd38626 100644 --- a/manila/share/driver.py +++ b/manila/share/driver.py @@ -2514,3 +2514,50 @@ class ShareDriver(object): data['ipv4_support'] = (4 in self.ip_versions) data['ipv6_support'] = (6 in self.ip_versions) return data + + def get_backend_info(self, context): + """Get driver and array configuration parameters. + + Driver can use this method to get the special configuration info and + return for assessment. + + :returns: A dictionary containing driver-specific info. + + Example:: + + { + 'version': '2.23' + 'port': '80', + 'logicalportip': '1.1.1.1', + ... + } + + """ + raise NotImplementedError() + + def ensure_shares(self, context, shares): + """Invoked to ensure that shares are exported. + + Driver can use this method to update the list of export locations of + the shares if it changes. To do that, a dictionary of shares should + be returned. + :shares: None or a list of all shares for updates. + :returns: None or a dictionary of updates in the format. + + Example:: + + { + '09960614-8574-4e03-89cf-7cf267b0bd08': { + 'export_locations': [{...}, {...}], + 'status': 'error', + }, + + '28f6eabb-4342-486a-a7f4-45688f0c0295': { + 'export_locations': [{...}, {...}], + 'status': 'available', + }, + + } + + """ + raise NotImplementedError() diff --git a/manila/share/drivers/lvm.py b/manila/share/drivers/lvm.py index e2fc3e695e..e96f0d6be2 100644 --- a/manila/share/drivers/lvm.py +++ b/manila/share/drivers/lvm.py @@ -280,11 +280,18 @@ class LVMShareDriver(LVMMixin, driver.ShareDriver): # remove dir self._execute('rmdir', mount_path, run_as_root=True) + def ensure_shares(self, context, shares): + updates = {} + for share in shares: + updates[share['id']] = { + 'export_locations': self.ensure_share(context, share)} + return updates + def ensure_share(self, ctx, share, share_server=None): """Ensure that storage are mounted and exported.""" device_name = self._get_local_path(share) self._mount_device(share, device_name) - self._get_helper(share).create_exports( + return self._get_helper(share).create_exports( self.share_server, share['name'], recreate=True) def _delete_share(self, ctx, share): @@ -513,3 +520,9 @@ class LVMShareDriver(LVMMixin, driver.ShareDriver): share['id']) return updated_shares + + def get_backend_info(self, context): + return { + 'export_ips': ','.join(self.share_server['public_addresses']), + 'db_version': utils.get_recent_db_migration_id(), + } diff --git a/manila/share/manager.py b/manila/share/manager.py index 8c353f22b2..d8ab2719b9 100644 --- a/manila/share/manager.py +++ b/manila/share/manager.py @@ -22,6 +22,7 @@ import copy import datetime import functools +import hashlib from oslo_config import cfg from oslo_log import log @@ -312,9 +313,49 @@ class ShareManager(manager.SchedulerDependentManager): _driver_setup() - share_instances = self.db.share_instances_get_all_by_host(ctxt, - self.host) + self.ensure_driver_resources(ctxt) + + self.publish_service_capabilities(ctxt) + LOG.info("Finished initialization of driver: '%(driver)s" + "@%(host)s'", + {"driver": self.driver.__class__.__name__, + "host": self.host}) + + def ensure_driver_resources(self, ctxt): + old_backend_info_hash = self.db.backend_info_get(ctxt, self.host) + new_backend_info = None + new_backend_info_hash = None + update_share_instances = [] + try: + new_backend_info = self.driver.get_backend_info(ctxt) + except Exception as e: + if not isinstance(e, NotImplementedError): + LOG.exception( + ("The backend %(host)s could not get backend info."), + {'host': self.host}) + raise + else: + LOG.debug( + ("The backend %(host)s does not support get backend" + " info method."), + {'host': self.host}) + + if new_backend_info: + new_backend_info_hash = hashlib.sha1(six.text_type( + sorted(new_backend_info.items())).encode('utf-8')).hexdigest() + + if (old_backend_info_hash and + old_backend_info_hash == new_backend_info_hash): + LOG.debug( + ("The ensure share be skipped because the The old backend " + "%(host)s info as the same as new backend info"), + {'host': self.host}) + return + + share_instances = self.db.share_instances_get_all_by_host( + ctxt, self.host) LOG.debug("Re-exporting %s shares", len(share_instances)) + for share_instance in share_instances: share_ref = self.db.share_get(ctxt, share_instance['share_id']) @@ -337,21 +378,44 @@ class ShareManager(manager.SchedulerDependentManager): continue self._ensure_share_instance_has_pool(ctxt, share_instance) - share_server = self._get_share_server(ctxt, share_instance) share_instance = self.db.share_instance_get( ctxt, share_instance['id'], with_share_data=True) - try: - export_locations = self.driver.ensure_share( - ctxt, share_instance, share_server=share_server) - except Exception: - LOG.exception("Caught exception trying ensure " - "share '%(s_id)s'.", - {'s_id': share_instance['id']}) - continue + update_share_instances.append(share_instance) - if export_locations: + try: + update_share_instances = self.driver.ensure_shares( + ctxt, update_share_instances) + except Exception as e: + if not isinstance(e, NotImplementedError): + LOG.exception("Caught exception trying ensure " + "share instances.") + else: + self._ensure_share(ctxt, update_share_instances) + + if new_backend_info: + self.db.backend_info_update( + ctxt, self.host, new_backend_info_hash) + + for share_instance in share_instances: + if share_instance['id'] not in update_share_instances: + continue + if update_share_instances[share_instance['id']].get('status'): + self.db.share_instance_update( + ctxt, share_instance['id'], + {'status': ( + update_share_instances[share_instance['id']]. + get('status')), + 'host': share_instance['host']} + ) + + update_export_location = ( + update_share_instances[share_instance['id']] + .get('export_locations')) + if update_export_location: self.db.share_export_locations_update( - ctxt, share_instance['id'], export_locations) + ctxt, share_instance['id'], update_export_location) + + share_server = self._get_share_server(ctxt, share_instance) if share_instance['access_rules_status'] != ( constants.STATUS_ACTIVE): @@ -396,11 +460,21 @@ class ShareManager(manager.SchedulerDependentManager): "access rules for snapshot instance %s.", snap_instance['id']) - self.publish_service_capabilities(ctxt) - LOG.info("Finished initialization of driver: '%(driver)s" - "@%(host)s'", - {"driver": self.driver.__class__.__name__, - "host": self.host}) + def _ensure_share(self, ctxt, share_instances): + for share_instance in share_instances: + try: + share_server = self._get_share_server( + ctxt, share_instance) + export_locations = self.driver.ensure_share( + ctxt, share_instance, share_server=share_server) + except Exception: + LOG.exception("Caught exception trying ensure " + "share '%(s_id)s'.", + {'s_id': share_instance['id']}) + continue + if export_locations: + self.db.share_export_locations_update( + ctxt, share_instance['id'], export_locations) def _provide_share_server_for_share(self, context, share_network_id, share_instance, snapshot=None, diff --git a/manila/share/utils.py b/manila/share/utils.py index 2d42a844a3..9b53e83f6a 100644 --- a/manila/share/utils.py +++ b/manila/share/utils.py @@ -19,6 +19,7 @@ from oslo_config import cfg from manila.common import constants +from manila.db import migration from manila import rpc from manila import utils @@ -147,3 +148,7 @@ def _usage_from_share(share_ref, share_instance_ref, **extra_usage_info): usage_info.update(extra_usage_info) return usage_info + + +def get_recent_db_migration_id(): + return migration.version() diff --git a/manila/tests/db/migrations/alembic/migrations_data_checks.py b/manila/tests/db/migrations/alembic/migrations_data_checks.py index 24cf770b50..15108ed5c9 100644 --- a/manila/tests/db/migrations/alembic/migrations_data_checks.py +++ b/manila/tests/db/migrations/alembic/migrations_data_checks.py @@ -2537,3 +2537,28 @@ class NewDescriptionColumnChecks(BaseMigrationChecks): db_result = engine.execute(table.select()) for record in db_result: self.test_case.assertFalse(hasattr(record, 'description')) + + +@map_to_migration('4a482571410f') +class BackenInfoTableChecks(BaseMigrationChecks): + new_table_name = 'backend_info' + + def setup_upgrade_data(self, engine): + pass + + def check_upgrade(self, engine, data): + data = { + 'host': 'test_host', + 'info_hash': 'test_hash', + 'created_at': datetime.datetime(2017, 7, 10, 18, 5, 58), + 'updated_at': None, + 'deleted_at': None, + 'deleted': 0, + } + + new_table = utils.load_table(self.new_table_name, engine) + engine.execute(new_table.insert(data)) + + def check_downgrade(self, engine): + self.test_case.assertRaises(sa_exc.NoSuchTableError, utils.load_table, + self.new_table_name, engine) diff --git a/manila/tests/db/sqlalchemy/test_api.py b/manila/tests/db/sqlalchemy/test_api.py index d0a1e4d40b..4e3725a33b 100644 --- a/manila/tests/db/sqlalchemy/test_api.py +++ b/manila/tests/db/sqlalchemy/test_api.py @@ -2925,3 +2925,61 @@ class MessagesDatabaseAPITestCase(test.TestCase): db_api.cleanup_expired_messages(adm_context) messages = db_api.message_get_all(adm_context) self.assertEqual(2, len(messages)) + + +class BackendInfoDatabaseAPITestCase(test.TestCase): + + def setUp(self): + """Run before each test.""" + super(BackendInfoDatabaseAPITestCase, self).setUp() + self.ctxt = context.get_admin_context() + + def test_create(self): + host = "fake_host" + value = "fake_hash_value" + + initial_data = db_api.backend_info_get(self.ctxt, host) + db_api.backend_info_update(self.ctxt, host, value) + actual_data = db_api.backend_info_get(self.ctxt, host) + + self.assertIsNone(initial_data) + self.assertEqual(value, actual_data['info_hash']) + self.assertEqual(host, actual_data['host']) + + def test_get(self): + host = "fake_host" + value = "fake_hash_value" + + db_api.backend_info_update(self.ctxt, host, value, False) + actual_result = db_api.backend_info_get(self.ctxt, host) + + self.assertEqual(value, actual_result['info_hash']) + self.assertEqual(host, actual_result['host']) + + def test_delete(self): + host = "fake_host" + value = "fake_hash_value" + + db_api.backend_info_update(self.ctxt, host, value) + initial_data = db_api.backend_info_get(self.ctxt, host) + + db_api.backend_info_update(self.ctxt, host, delete_existing=True) + actual_data = db_api.backend_info_get(self.ctxt, host) + + self.assertEqual(value, initial_data['info_hash']) + self.assertEqual(host, initial_data['host']) + self.assertIsNone(actual_data) + + def test_double_update(self): + host = "fake_host" + value_1 = "fake_hash_value_1" + value_2 = "fake_hash_value_2" + + initial_data = db_api.backend_info_get(self.ctxt, host) + db_api.backend_info_update(self.ctxt, host, value_1) + db_api.backend_info_update(self.ctxt, host, value_2) + actual_data = db_api.backend_info_get(self.ctxt, host) + + self.assertIsNone(initial_data) + self.assertEqual(value_2, actual_data['info_hash']) + self.assertEqual(host, actual_data['host']) diff --git a/manila/tests/share/drivers/test_lvm.py b/manila/tests/share/drivers/test_lvm.py index 525c6410d0..21967730b9 100644 --- a/manila/tests/share/drivers/test_lvm.py +++ b/manila/tests/share/drivers/test_lvm.py @@ -681,3 +681,11 @@ class LVMShareDriverTestCase(test.TestCase): self._driver.update_share_usage_size, self._context, [self.share]) + + def test_get_backend_info(self): + backend_info = self._driver.get_backend_info(self._context) + + self.assertEqual( + {'export_ips': ','.join(self.server['public_addresses']), + 'db_version': mock.ANY}, + backend_info) diff --git a/manila/tests/share/test_manager.py b/manila/tests/share/test_manager.py index 5a6f46b93c..2ca7a6f725 100644 --- a/manila/tests/share/test_manager.py +++ b/manila/tests/share/test_manager.py @@ -15,6 +15,7 @@ """Test of Share Manager for Manila.""" import datetime +import hashlib import random import ddt @@ -293,7 +294,12 @@ class ShareManagerTestCase(test.TestCase): return instances, rules - def test_init_host_with_shares_and_rules(self): + @ddt.data(("588569466613133740", {"db_version": "test_version"}), + (None, {"db_version": "test_version"}), + (None, None)) + @ddt.unpack + def test_init_host_with_shares_and_rules(self, old_backend_info_hash, + new_backend_info): # initialization of test data def raise_share_access_exists(*args, **kwargs): @@ -302,7 +308,20 @@ class ShareManagerTestCase(test.TestCase): instances, rules = self._setup_init_mocks() fake_export_locations = ['fake/path/1', 'fake/path'] + fake_update_instances = { + instances[0]['id']: {'export_locations': fake_export_locations}, + instances[2]['id']: {'export_locations': fake_export_locations} + } + instances[0]['access_rules_status'] = '' + instances[2]['access_rules_status'] = '' share_server = 'fake_share_server_type_does_not_matter' + self.mock_object(self.share_manager.db, + 'backend_info_get', + mock.Mock(return_value=old_backend_info_hash)) + mock_backend_info_update = self.mock_object( + self.share_manager.db, 'backend_info_update') + self.mock_object(self.share_manager.driver, 'get_backend_info', + mock.Mock(return_value=new_backend_info)) self.mock_object(self.share_manager.db, 'share_instances_get_all_by_host', mock.Mock(return_value=instances)) @@ -311,8 +330,8 @@ class ShareManagerTestCase(test.TestCase): instances[4]])) self.mock_object(self.share_manager.db, 'share_export_locations_update') - self.mock_object(self.share_manager.driver, 'ensure_share', - mock.Mock(return_value=fake_export_locations)) + self.mock_object(self.share_manager.driver, 'ensure_shares', + mock.Mock(return_value=fake_update_instances)) self.mock_object(self.share_manager, '_ensure_share_instance_has_pool') self.mock_object(self.share_manager, '_get_share_server', mock.Mock(return_value=share_server)) @@ -343,30 +362,64 @@ class ShareManagerTestCase(test.TestCase): utils.IsAMatcher(context.RequestContext)) (self.share_manager.driver.check_for_setup_error. assert_called_once_with()) + if new_backend_info: + self.share_manager.db.backend_info_update.assert_called_once_with( + utils.IsAMatcher(context.RequestContext), + self.share_manager.host, hashlib.sha1(six.text_type(sorted( + new_backend_info.items())).encode('utf-8')).hexdigest()) + else: + mock_backend_info_update.assert_not_called() self.share_manager._ensure_share_instance_has_pool.assert_has_calls([ mock.call(utils.IsAMatcher(context.RequestContext), instances[0]), mock.call(utils.IsAMatcher(context.RequestContext), instances[2]), ]) self.share_manager._get_share_server.assert_has_calls([ - mock.call(utils.IsAMatcher(context.RequestContext), instances[0]), - mock.call(utils.IsAMatcher(context.RequestContext), instances[2]), - ]) - self.share_manager.driver.ensure_share.assert_has_calls([ - mock.call(utils.IsAMatcher(context.RequestContext), instances[0], - share_server=share_server), - mock.call(utils.IsAMatcher(context.RequestContext), instances[2], - share_server=share_server), + mock.call(utils.IsAMatcher(context.RequestContext), + instances[0]), + mock.call(utils.IsAMatcher(context.RequestContext), + instances[2]), ]) + self.share_manager.driver.ensure_shares.assert_called_once_with( + utils.IsAMatcher(context.RequestContext), + [instances[0], instances[2], instances[4]]) (self.share_manager.publish_service_capabilities. assert_called_once_with( utils.IsAMatcher(context.RequestContext))) self.share_manager.access_helper.update_access_rules.assert_has_calls([ - mock.call(mock.ANY, instances[4]['id'], share_server=share_server), + mock.call(mock.ANY, instances[0]['id'], share_server=share_server), + mock.call(mock.ANY, instances[2]['id'], share_server=share_server), ]) - def test_init_host_with_exception_on_ensure_share(self): - def raise_exception(*args, **kwargs): - raise exception.ManilaException(message="Fake raise") + def test_init_host_without_shares_and_rules(self): + new_backend_info = {"db_version": "sdfesxcv"} + self.mock_object( + self.share_manager.db, 'backend_info_get', + mock.Mock(return_value=hashlib.sha1(six.text_type(sorted( + new_backend_info.items())).encode('utf-8')).hexdigest())) + self.mock_object(self.share_manager.driver, 'get_backend_info', + mock.Mock(return_value=new_backend_info)) + self.mock_object(self.share_manager, 'publish_service_capabilities', + mock.Mock()) + mock_ensure_shares = self.mock_object( + self.share_manager.driver, 'ensure_shares') + mock_share_instances_get_all_by_host = self.mock_object( + self.share_manager.db, 'share_instances_get_all_by_host') + + # call of 'init_host' method + self.share_manager.init_host() + self.share_manager.driver.do_setup.assert_called_once_with( + utils.IsAMatcher(context.RequestContext)) + self.share_manager.db.backend_info_get.assert_called_once_with( + utils.IsAMatcher(context.RequestContext), self.share_manager.host) + self.share_manager.driver.get_backend_info.assert_called_once_with( + utils.IsAMatcher(context.RequestContext)) + mock_ensure_shares.assert_not_called() + mock_share_instances_get_all_by_host.assert_not_called() + + @ddt.data(exception.ManilaException, ['fake/path/1', 'fake/path']) + def test_init_host_with_ensure_share(self, expected_ensure_share_result): + def raise_NotImplementedError(*args, **kwargs): + raise NotImplementedError instances = self._setup_init_mocks(setup_access_rules=False) share_server = 'fake_share_server_type_does_not_matter' @@ -376,9 +429,13 @@ class ShareManagerTestCase(test.TestCase): self.mock_object(self.share_manager.db, 'share_instance_get', mock.Mock(side_effect=[instances[0], instances[2], instances[3]])) + self.mock_object( + self.share_manager.driver, 'ensure_shares', + mock.Mock(side_effect=raise_NotImplementedError)) self.mock_object(self.share_manager.driver, 'ensure_share', - mock.Mock(side_effect=raise_exception)) - self.mock_object(self.share_manager, '_ensure_share_instance_has_pool') + mock.Mock(side_effect=expected_ensure_share_result)) + self.mock_object( + self.share_manager, '_ensure_share_instance_has_pool') self.mock_object(self.share_manager, '_get_share_server', mock.Mock(return_value=share_server)) self.mock_object(self.share_manager, 'publish_service_capabilities') @@ -399,6 +456,9 @@ class ShareManagerTestCase(test.TestCase): mock.call(utils.IsAMatcher(context.RequestContext), instances[0]), mock.call(utils.IsAMatcher(context.RequestContext), instances[2]), ]) + self.share_manager.driver.ensure_shares.assert_called_once_with( + utils.IsAMatcher(context.RequestContext), + [instances[0], instances[2], instances[3]]) self.share_manager._get_share_server.assert_has_calls([ mock.call(utils.IsAMatcher(context.RequestContext), instances[0]), mock.call(utils.IsAMatcher(context.RequestContext), instances[2]), @@ -422,12 +482,83 @@ class ShareManagerTestCase(test.TestCase): {'id': instances[1]['id'], 'status': instances[1]['status']}, ) + def test_init_host_with_exception_on_ensure_shares(self): + def raise_exception(*args, **kwargs): + raise exception.ManilaException(message="Fake raise") + + instances = self._setup_init_mocks(setup_access_rules=False) + mock_ensure_share = self.mock_object( + self.share_manager.driver, 'ensure_share') + self.mock_object(self.share_manager.db, + 'share_instances_get_all_by_host', + mock.Mock(return_value=instances)) + self.mock_object(self.share_manager.db, 'share_instance_get', + mock.Mock(side_effect=[instances[0], instances[2], + instances[3]])) + self.mock_object( + self.share_manager.driver, 'ensure_shares', + mock.Mock(side_effect=raise_exception)) + self.mock_object( + self.share_manager, '_ensure_share_instance_has_pool') + + # call of 'init_host' method + self.share_manager.init_host() + + # verification of call + (self.share_manager.db.share_instances_get_all_by_host. + assert_called_once_with(utils.IsAMatcher(context.RequestContext), + self.share_manager.host)) + self.share_manager.driver.do_setup.assert_called_once_with( + utils.IsAMatcher(context.RequestContext)) + self.share_manager.driver.check_for_setup_error.assert_called_with() + self.share_manager._ensure_share_instance_has_pool.assert_has_calls([ + mock.call(utils.IsAMatcher(context.RequestContext), instances[0]), + mock.call(utils.IsAMatcher(context.RequestContext), instances[2]), + ]) + self.share_manager.driver.ensure_shares.assert_called_once_with( + utils.IsAMatcher(context.RequestContext), + [instances[0], instances[2], instances[3]]) + mock_ensure_share.assert_not_called() + + def test_init_host_with_exception_on_get_backend_info(self): + def raise_exception(*args, **kwargs): + raise exception.ManilaException(message="Fake raise") + + mock_ensure_share = self.mock_object( + self.share_manager.driver, 'ensure_share') + mock_ensure_shares = self.mock_object( + self.share_manager.driver, 'ensure_shares') + self.mock_object(self.share_manager.db, + 'backend_info_get', + mock.Mock(return_value="test_backend_info")) + self.mock_object( + self.share_manager.driver, 'get_backend_info', + mock.Mock(side_effect=raise_exception)) + # call of 'init_host' method + self.assertRaises( + exception.ManilaException, + self.share_manager.init_host, + ) + + # verification of call + self.share_manager.db.backend_info_get.assert_called_once_with( + utils.IsAMatcher(context.RequestContext), self.share_manager.host) + self.share_manager.driver.get_backend_info.assert_called_once_with( + utils.IsAMatcher(context.RequestContext)) + mock_ensure_share.assert_not_called() + mock_ensure_shares.assert_not_called() + def test_init_host_with_exception_on_update_access_rules(self): def raise_exception(*args, **kwargs): raise exception.ManilaException(message="Fake raise") instances, rules = self._setup_init_mocks() share_server = 'fake_share_server_type_does_not_matter' + fake_update_instances = { + instances[0]['id']: {'status': 'available'}, + instances[2]['id']: {'status': 'available'}, + instances[4]['id']: {'status': 'available'} + } smanager = self.share_manager self.mock_object(smanager.db, 'share_instances_get_all_by_host', mock.Mock(return_value=instances)) @@ -436,6 +567,8 @@ class ShareManagerTestCase(test.TestCase): instances[4]])) self.mock_object(self.share_manager.driver, 'ensure_share', mock.Mock(return_value=None)) + self.mock_object(self.share_manager.driver, 'ensure_shares', + mock.Mock(return_value=fake_update_instances)) self.mock_object(smanager, '_ensure_share_instance_has_pool') self.mock_object(smanager, '_get_share_server', mock.Mock(return_value=share_server)) @@ -461,16 +594,9 @@ class ShareManagerTestCase(test.TestCase): mock.call(utils.IsAMatcher(context.RequestContext), instances[0]), mock.call(utils.IsAMatcher(context.RequestContext), instances[2]), ]) - smanager._get_share_server.assert_has_calls([ - mock.call(utils.IsAMatcher(context.RequestContext), instances[0]), - mock.call(utils.IsAMatcher(context.RequestContext), instances[2]), - ]) - smanager.driver.ensure_share.assert_has_calls([ - mock.call(utils.IsAMatcher(context.RequestContext), instances[0], - share_server=share_server), - mock.call(utils.IsAMatcher(context.RequestContext), instances[2], - share_server=share_server), - ]) + smanager.driver.ensure_shares.assert_called_once_with( + utils.IsAMatcher(context.RequestContext), + [instances[0], instances[2], instances[4]]) (self.share_manager.publish_service_capabilities. assert_called_once_with( utils.IsAMatcher(context.RequestContext))) diff --git a/releasenotes/notes/enhance-ensure-share-58fc14ffc099f481.yaml b/releasenotes/notes/enhance-ensure-share-58fc14ffc099f481.yaml new file mode 100644 index 0000000000..971044aa0e --- /dev/null +++ b/releasenotes/notes/enhance-ensure-share-58fc14ffc099f481.yaml @@ -0,0 +1,4 @@ +--- +fixes: + - Adds the ability to solve the potential problem of slow start + up, and deal with non-user-initiated state changes to shares.