From 8c66d79a41044837a0865b1a706dd89e788597d1 Mon Sep 17 00:00:00 2001 From: Kei Masumoto Date: Thu, 14 Apr 2011 20:57:11 +0900 Subject: add kvm-pause and kvm-suspend --- nova/virt/libvirt_conn.py | 43 +++++++++++++++++++++++++++++++++++++++---- 1 file changed, 39 insertions(+), 4 deletions(-) (limited to 'nova') diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index 6ec15fbb8..66f43e786 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -545,19 +545,54 @@ class LibvirtConnection(driver.ComputeDriver): @exception.wrap_exception def pause(self, instance, callback): - raise exception.ApiError("pause not supported for libvirt.") + """Pause VM instance""" + if self.read_only: + tmpconn = self._connect(self.libvirt_uri, False) + dom = tmpconn.lookupByName(instance.name) + dom.suspend() + tmpconn.close() + else: + dom = self._conn.lookupByName(instance.name) + dom.suspend() @exception.wrap_exception def unpause(self, instance, callback): - raise exception.ApiError("unpause not supported for libvirt.") + """Unpause paused VM instance""" + if self.read_only: + tmpconn = self._connect(self.libvirt_uri, False) + dom = tmpconn.lookupByName(instance.name) + dom.resume() + tmpconn.close() + else: + dom = self._conn.lookupByName(instance.name) + dom.resume() @exception.wrap_exception def suspend(self, instance, callback): - raise exception.ApiError("suspend not supported for libvirt") + """Suspend the specified instance""" + if self.read_only: + tmpconn = self._connect(self.libvirt_uri, False) + dom = tmpconn.lookupByName(instance.name) + dom.managedSave(0) + tmpconn.close() + else: + dom = self._conn.lookupByName(instance.name) + dom.managedSave(0) @exception.wrap_exception def resume(self, instance, callback): - raise exception.ApiError("resume not supported for libvirt") + """resume the specified instance""" + try: + if self.read_only: + tmpconn = self._connect(self.libvirt_uri, False) + dom = tmpconn.lookupByName(instance.name) + tmpconn.close() + else: + dom = self._conn.lookupByName(instance.name) + dom.create() + except libvirt.LibvirtError: + xml = self.to_xml(instance, None) + self._create_new_domain(xml) @exception.wrap_exception def rescue(self, instance, callback=None): -- cgit From 0ba085928c75f2fc27fb03eaa3aaeff6618e8875 Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Tue, 19 Apr 2011 20:48:26 +0900 Subject: Add support for creating a snapshot of a nova volume with euca-create-snapshot. --- nova/api/ec2/__init__.py | 6 ++ nova/api/ec2/cloud.py | 52 ++++++++++++--- nova/db/api.py | 39 +++++++++++ nova/db/sqlalchemy/api.py | 77 ++++++++++++++++++++++ .../versions/015_add_volume_snapshot_support.py | 71 ++++++++++++++++++++ nova/db/sqlalchemy/models.py | 24 +++++++ nova/exception.py | 50 ++++++++++++++ nova/volume/api.py | 44 +++++++++++++ nova/volume/driver.py | 8 +++ nova/volume/manager.py | 42 ++++++++++++ 10 files changed, 405 insertions(+), 8 deletions(-) create mode 100644 nova/db/sqlalchemy/migrate_repo/versions/015_add_volume_snapshot_support.py (limited to 'nova') diff --git a/nova/api/ec2/__init__.py b/nova/api/ec2/__init__.py index cd59340bd..4a49a5a6b 100644 --- a/nova/api/ec2/__init__.py +++ b/nova/api/ec2/__init__.py @@ -327,6 +327,12 @@ class Executor(wsgi.Application): ec2_id = ec2utils.id_to_ec2_id(ex.volume_id, 'vol-%08x') message = _('Volume %s not found') % ec2_id return self._error(req, context, type(ex).__name__, message) + except exception.SnapshotNotFound as ex: + LOG.info(_('SnapshotNotFound raised: %s'), unicode(ex), + context=context) + ec2_id = ec2utils.id_to_ec2_id(ex.snapshot_id, 'snap-%08x') + message = _('Snapshot %s not found') % ec2_id + return self._error(req, context, type(ex).__name__, message) except exception.NotFound as ex: LOG.info(_('NotFound raised: %s'), unicode(ex), context=context) return self._error(req, context, type(ex).__name__, unicode(ex)) diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index 092b80fa2..f5360af0b 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -280,14 +280,46 @@ class CloudController(object): owner=None, restorable_by=None, **kwargs): - return {'snapshotSet': [{'snapshotId': 'fixme', - 'volumeId': 'fixme', - 'status': 'fixme', - 'startTime': 'fixme', - 'progress': 'fixme', - 'ownerId': 'fixme', - 'volumeSize': 0, - 'description': 'fixme'}]} + if snapshot_id: + snapshots = [] + for ec2_id in snapshot_id: + internal_id = ec2utils.ec2_id_to_id(ec2_id) + snapshot = self.volume_api.get_snapshot(context, snapshot_id=internal_id) + snapshots.append(snapshot) + else: + snapshots = self.volume_api.get_all_snapshots(context) + snapshots = [self._format_snapshot(context, s) for s in snapshots] + return {'snapshotSet': snapshots} + + def _format_snapshot(self, context, snapshot): + s = {} + s['snapshotId'] = ec2utils.id_to_ec2_id(snapshot['id'], 'snap-%08x') + s['volumeId'] = ec2utils.id_to_ec2_id(snapshot['volume_id'], 'vol-%08x') + s['status'] = snapshot['status'] + s['startTime'] = snapshot['created_at'] + s['progress'] = snapshot['progress'] + s['ownerId'] = snapshot['project_id'] + s['volumeSize'] = snapshot['volume_size'] + s['description'] = snapshot['display_description'] + + s['display_name'] = snapshot['display_name'] + s['display_description'] = snapshot['display_description'] + return s + + def create_snapshot(self, context, volume_id, **kwargs): + LOG.audit(_("Create snapshot of volume %s"), volume_id, context=context) + volume_id = ec2utils.ec2_id_to_id(volume_id) + snapshot = self.volume_api.create_snapshot( + context, + volume_id=volume_id, + name=kwargs.get('display_name'), + description=kwargs.get('display_description')) + return {'snapshotSet': [self._format_snapshot(context, snapshot)]} + + def delete_snapshot(self, context, snapshot_id, **kwargs): + snapshot_id = ec2utils.ec2_id_to_id(snapshot_id) + self.volume_api.delete_snapshot(context, snapshot_id=snapshot_id) + return True def describe_key_pairs(self, context, key_name=None, **kwargs): key_pairs = db.key_pair_get_all_by_user(context, context.user_id) @@ -595,6 +627,10 @@ class CloudController(object): 'volumeId': v['volumeId']}] else: v['attachmentSet'] = [{}] + if volume.get('snapshot_id') != None: + v['snapshotId'] = ec2utils.id_to_ec2_id(volume['snapshot_id'], 'snap-%08x') + else: + v['snapshotId'] = None v['display_name'] = volume['display_name'] v['display_description'] = volume['display_description'] diff --git a/nova/db/api.py b/nova/db/api.py index f9a4b5b4b..57e585a9c 100644 --- a/nova/db/api.py +++ b/nova/db/api.py @@ -47,6 +47,8 @@ flags.DEFINE_string('instance_name_template', 'instance-%08x', 'Template string to be used to generate instance names') flags.DEFINE_string('volume_name_template', 'volume-%08x', 'Template string to be used to generate instance names') +flags.DEFINE_string('snapshot_name_template', 'snapshot-%08x', + 'Template string to be used to generate instance names') IMPL = utils.LazyPluggable(FLAGS['db_backend'], @@ -871,6 +873,43 @@ def volume_update(context, volume_id, values): #################### +def snapshot_create(context, values): + """Create a volume from the values dictionary.""" + return IMPL.snapshot_create(context, values) + + +def snapshot_destroy(context, snapshot_id): + """Create a volume from the values dictionary.""" + return IMPL.snapshot_destroy(context, snapshot_id) + + +def snapshot_get(context, snapshot_id): + """Get a volume or raise if it does not exist.""" + return IMPL.snapshot_get(context, snapshot_id) + + +def snapshot_get_all(context): + """Get all volumes.""" + return IMPL.snapshot_get_all(context) + + +def snapshot_get_all_by_project(context, project_id): + """Get all volumes belonging to a project.""" + return IMPL.snapshot_get_all_by_project(context, project_id) + + +def snapshot_update(context, snapshot_id, values): + """Set the given properties on an snapshot and update it. + + Raises NotFound if snapshot does not exist. + + """ + return IMPL.snapshot_update(context, snapshot_id, values) + + +#################### + + def security_group_get_all(context): """Get all security groups.""" return IMPL.security_group_get_all(context) diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py index 285b22a04..ebdb2ad5c 100644 --- a/nova/db/sqlalchemy/api.py +++ b/nova/db/sqlalchemy/api.py @@ -1758,6 +1758,83 @@ def volume_update(context, volume_id, values): ################### +@require_context +def snapshot_create(context, values): + snapshot_ref = models.Snapshot() + snapshot_ref.update(values) + + session = get_session() + with session.begin(): + snapshot_ref.save(session=session) + return snapshot_ref + + +@require_admin_context +def snapshot_destroy(context, snapshot_id): + session = get_session() + with session.begin(): + session.query(models.Snapshot).\ + filter_by(id=snapshot_id).\ + update({'deleted': 1, + 'deleted_at': datetime.datetime.utcnow(), + 'updated_at': literal_column('updated_at')}) + + +@require_context +def snapshot_get(context, snapshot_id, session=None): + if not session: + session = get_session() + result = None + + if is_admin_context(context): + result = session.query(models.Snapshot).\ + filter_by(id=snapshot_id).\ + filter_by(deleted=can_read_deleted(context)).\ + first() + elif is_user_context(context): + result = session.query(models.Snapshot).\ + filter_by(project_id=context.project_id).\ + filter_by(id=snapshot_id).\ + filter_by(deleted=False).\ + first() + if not result: + raise exception.SnapshotNotFound(_('Snapshot %s not found') % snapshot_id, + snapshot_id) + + return result + + +@require_admin_context +def snapshot_get_all(context): + session = get_session() + return session.query(models.Snapshot).\ + filter_by(deleted=can_read_deleted(context)).\ + all() + + +@require_context +def snapshot_get_all_by_project(context, project_id): + authorize_project_context(context, project_id) + + session = get_session() + return session.query(models.Snapshot).\ + filter_by(project_id=project_id).\ + filter_by(deleted=can_read_deleted(context)).\ + all() + + +@require_context +def snapshot_update(context, snapshot_id, values): + session = get_session() + with session.begin(): + snapshot_ref = snapshot_get(context, snapshot_id, session=session) + snapshot_ref.update(values) + snapshot_ref.save(session=session) + + +################### + + @require_context def security_group_get_all(context): session = get_session() diff --git a/nova/db/sqlalchemy/migrate_repo/versions/015_add_volume_snapshot_support.py b/nova/db/sqlalchemy/migrate_repo/versions/015_add_volume_snapshot_support.py new file mode 100644 index 000000000..288f63e72 --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/015_add_volume_snapshot_support.py @@ -0,0 +1,71 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2011 MORITA Kazutaka. +# 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. + +from sqlalchemy import * +from migrate import * + +from nova import log as logging + +meta = MetaData() + +snapshots = Table('snapshots', meta, + Column('created_at', DateTime(timezone=False)), + Column('updated_at', DateTime(timezone=False)), + Column('deleted_at', DateTime(timezone=False)), + Column('deleted', Boolean(create_constraint=True, name=None)), + Column('id', Integer(), primary_key=True, nullable=False), + Column('volume_id', Integer(), nullable=False), + Column('user_id', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('project_id', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('status', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('progress', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('volume_size', Integer()), + Column('scheduled_at', DateTime(timezone=False)), + Column('display_name', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('display_description', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)) + ) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + try: + snapshots.create() + except Exception: + logging.info(repr(snapshots)) + logging.exception('Exception while creating table') + meta.drop_all(tables=[snapshots]) + raise + + +def downgrade(migrate_engine): + # Operations to reverse the above upgrade go here. + snapshots.drop() diff --git a/nova/db/sqlalchemy/models.py b/nova/db/sqlalchemy/models.py index 36a084a1d..2e0ead5f9 100644 --- a/nova/db/sqlalchemy/models.py +++ b/nova/db/sqlalchemy/models.py @@ -327,6 +327,30 @@ class Quota(BASE, NovaBase): metadata_items = Column(Integer) +class Snapshot(BASE, NovaBase): + """Represents a block storage device that can be attached to a vm.""" + __tablename__ = 'snapshots' + id = Column(Integer, primary_key=True, autoincrement=True) + + @property + def name(self): + return FLAGS.snapshot_name_template % self.id + + @property + def volume_name(self): + return FLAGS.volume_name_template % self.volume_id + + user_id = Column(String(255)) + project_id = Column(String(255)) + + volume_id = Column(Integer) + status = Column(String(255)) + progress = Column(String(255)) + volume_size = Column(Integer) + + display_name = Column(String(255)) + display_description = Column(String(255)) + class ExportDevice(BASE, NovaBase): """Represates a shelf and blade that a volume can be exported on.""" __tablename__ = 'export_devices' diff --git a/nova/exception.py b/nova/exception.py index 9905fb19b..2dffeb795 100644 --- a/nova/exception.py +++ b/nova/exception.py @@ -60,6 +60,56 @@ class ApiError(Error): class BuildInProgress(Error): + super(ApiError, self).__init__('%s: %s' % (code, message)) + + +class NotFound(Error): + pass + + +class InstanceNotFound(NotFound): + def __init__(self, message, instance_id): + self.instance_id = instance_id + super(InstanceNotFound, self).__init__(message) + + +class VolumeNotFound(NotFound): + def __init__(self, message, volume_id): + self.volume_id = volume_id + super(VolumeNotFound, self).__init__(message) + + +class SnapshotNotFound(NotFound): + def __init__(self, message, snapshot_id): + self.snapshot_id = snapshot_id + super(SnapshotNotFound, self).__init__(message) + + +class Duplicate(Error): + pass + + +class NotAuthorized(Error): + pass + + +class NotEmpty(Error): + pass + + +class Invalid(Error): + pass + + +class InvalidInputException(Error): + pass + + +class InvalidContentType(Error): + pass + + +class TimeoutException(Error): pass diff --git a/nova/volume/api.py b/nova/volume/api.py index 09befb647..c1af30de0 100644 --- a/nova/volume/api.py +++ b/nova/volume/api.py @@ -90,6 +90,15 @@ class API(base.Base): return self.db.volume_get_all(context) return self.db.volume_get_all_by_project(context, context.project_id) + def get_snapshot(self, context, snapshot_id): + rv = self.db.snapshot_get(context, snapshot_id) + return dict(rv.iteritems()) + + def get_all_snapshots(self, context): + if context.is_admin: + return self.db.snapshot_get_all(context) + return self.db.snapshot_get_all_by_project(context, context.project_id) + def check_attach(self, context, volume_id): volume = self.get(context, volume_id) # TODO(vish): abstract status checking? @@ -110,3 +119,38 @@ class API(base.Base): self.db.queue_get_for(context, FLAGS.compute_topic, host), {"method": "remove_volume", "args": {'volume_id': volume_id}}) + + def create_snapshot(self, context, volume_id, name, description): + volume = self.get(context, volume_id) + if volume['status'] != "available": + raise exception.ApiError(_("Volume status must be available")) + + options = { + 'volume_id': volume_id, + 'user_id': context.user_id, + 'project_id': context.project_id, + 'status': "creating", + 'progress': '0%', + 'volume_size': volume['size'], + 'display_name': name, + 'display_description': description} + + snapshot = self.db.snapshot_create(context, options) + rpc.cast(context, + FLAGS.scheduler_topic, + {"method": "create_snapshot", + "args": {"topic": FLAGS.volume_topic, + "volume_id": volume_id, + "snapshot_id": snapshot['id']}}) + return snapshot + + def delete_snapshot(self, context, snapshot_id): + snapshot = self.get_snapshot(context, snapshot_id) + if snapshot['status'] != "available": + raise exception.ApiError(_("Snapshot status must be available")) + self.db.snapshot_update(context, snapshot_id, {'status': 'deleting'}) + rpc.cast(context, + FLAGS.scheduler_topic, + {"method": "delete_snapshot", + "args": {"topic": FLAGS.volume_topic, + "snapshot_id": snapshot_id}}) diff --git a/nova/volume/driver.py b/nova/volume/driver.py index 55307ad9b..31998e307 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -122,6 +122,14 @@ class VolumeDriver(object): (FLAGS.volume_group, volume['name'])) + def create_snapshot(self, snapshot): + """Creates a snapshot.""" + raise NotImplementedError() + + def delete_snapshot(self, snapshot): + """Deletes a snapshot.""" + raise NotImplementedError() + def local_path(self, volume): # NOTE(vish): stops deprecation warning escaped_group = FLAGS.volume_group.replace('-', '--') diff --git a/nova/volume/manager.py b/nova/volume/manager.py index 2178389ce..87fd3bf17 100644 --- a/nova/volume/manager.py +++ b/nova/volume/manager.py @@ -152,6 +152,48 @@ class VolumeManager(manager.SchedulerDependentManager): LOG.debug(_("volume %s: deleted successfully"), volume_ref['name']) return True + def create_snapshot(self, context, volume_id, snapshot_id): + """Creates and exports the snapshot.""" + context = context.elevated() + snapshot_ref = self.db.snapshot_get(context, snapshot_id) + LOG.info(_("snapshot %s: creating"), snapshot_ref['name']) + + try: + snap_name = snapshot_ref['name'] + LOG.debug(_("snapshot %(snap_name)s: creating") % locals()) + model_update = self.driver.create_snapshot(snapshot_ref) + if model_update: + self.db.snapshot_update(context, snapshot_ref['id'], model_update) + + except Exception: + self.db.snapshot_update(context, + snapshot_ref['id'], {'status': 'error'}) + raise + + self.db.snapshot_update(context, + snapshot_ref['id'], {'status': 'available', + 'progress': '100%'}) + LOG.debug(_("snapshot %s: created successfully"), snapshot_ref['name']) + return snapshot_id + + def delete_snapshot(self, context, snapshot_id): + """Deletes and unexports snapshot.""" + context = context.elevated() + snapshot_ref = self.db.snapshot_get(context, snapshot_id) + + try: + LOG.debug(_("snapshot %s: deleting"), snapshot_ref['name']) + self.driver.delete_snapshot(snapshot_ref) + except Exception: + self.db.snapshot_update(context, + snapshot_ref['id'], + {'status': 'error_deleting'}) + raise + + self.db.snapshot_destroy(context, snapshot_id) + LOG.debug(_("snapshot %s: deleted successfully"), snapshot_ref['name']) + return True + def setup_compute_volume(self, context, volume_id): """Setup remote volume on compute host. -- cgit From f76f2ee50f2407155a0aaefac3224e6af14e7d26 Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Tue, 19 Apr 2011 20:50:10 +0900 Subject: Add support for creating a Sheepdog snapshot. --- nova/volume/driver.py | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'nova') diff --git a/nova/volume/driver.py b/nova/volume/driver.py index 31998e307..ba0a7efef 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -620,6 +620,16 @@ class SheepdogDriver(VolumeDriver): """Deletes a logical volume""" self._try_execute('collie', 'vdi', 'delete', volume['name']) + def create_snapshot(self, snapshot): + """Creates a sheepdog snapshot""" + self._try_execute('qemu-img', 'snapshot', '-c', snapshot['name'], + "sheepdog:%s" % snapshot['volume_name']) + + def delete_snapshot(self, snapshot): + """Deletes a sheepdog snapshot""" + self._try_execute('collie', 'vdi', 'delete', snapshot['volume_name'], + '-s', snapshot['name']) + def local_path(self, volume): return "sheepdog:%s" % volume['name'] -- cgit From 2f3819628b6d3dea13a56ea6e93e02992b2e1f5f Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Tue, 19 Apr 2011 21:01:25 +0900 Subject: Add support for creating a new volume from a existing snapshot with EC2 API. --- nova/api/ec2/cloud.py | 12 +++++- .../versions/016_add_snapshot_id_to_volumes.py | 48 ++++++++++++++++++++++ nova/db/sqlalchemy/models.py | 2 + nova/volume/api.py | 12 +++++- nova/volume/driver.py | 4 ++ nova/volume/manager.py | 9 +++- 6 files changed, 81 insertions(+), 6 deletions(-) create mode 100644 nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py (limited to 'nova') diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index f5360af0b..aa15539ac 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -636,11 +636,19 @@ class CloudController(object): v['display_description'] = volume['display_description'] return v - def create_volume(self, context, size, **kwargs): - LOG.audit(_("Create volume of %s GB"), size, context=context) + def create_volume(self, context, **kwargs): + size = kwargs.get('size'); + if kwargs.get('snapshot_id') != None: + snapshot_id = ec2utils.ec2_id_to_id(kwargs['snapshot_id']) + LOG.audit(_("Create volume from snapshot %s"), snapshot_id, context=context) + else: + snapshot_id = None + LOG.audit(_("Create volume of %s GB"), size, context=context) + volume = self.volume_api.create( context, size=size, + snapshot_id=snapshot_id, name=kwargs.get('display_name'), description=kwargs.get('display_description')) # TODO(vish): Instance should be None at db layer instead of diff --git a/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py b/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py new file mode 100644 index 000000000..0a50123bf --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py @@ -0,0 +1,48 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2011 MORITA Kazutaka. +# 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. + +from sqlalchemy import * +from migrate import * + +from nova import log as logging + + +meta = MetaData() + + +# Table stub-definitions +# Just for the ForeignKey and column creation to succeed, these are not the +# actual definitions of instances or services. +# +volumes = Table('volumes', meta, + Column('id', Integer(), primary_key=True, nullable=False), + ) + +# +# New Column +# + +snapshot_id = Column('snapshot_id', Integer()) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + # Add columns to existing tables + volumes.create_column(snapshot_id) diff --git a/nova/db/sqlalchemy/models.py b/nova/db/sqlalchemy/models.py index 2e0ead5f9..ca762ca9f 100644 --- a/nova/db/sqlalchemy/models.py +++ b/nova/db/sqlalchemy/models.py @@ -287,6 +287,8 @@ class Volume(BASE, NovaBase): user_id = Column(String(255)) project_id = Column(String(255)) + snapshot_id = Column(String(255)) + host = Column(String(255)) # , ForeignKey('hosts.id')) size = Column(Integer) availability_zone = Column(String(255)) # TODO(vish): foreign key? diff --git a/nova/volume/api.py b/nova/volume/api.py index c1af30de0..7fa80383b 100644 --- a/nova/volume/api.py +++ b/nova/volume/api.py @@ -39,7 +39,13 @@ LOG = logging.getLogger('nova.volume') class API(base.Base): """API for interacting with the volume manager.""" - def create(self, context, size, name, description): + def create(self, context, size, snapshot_id, name, description): + if snapshot_id != None: + snapshot = self.get_snapshot(context, snapshot_id) + if snapshot['status'] != "available": + raise exception.ApiError(_("Snapshot status must be available")) + size = snapshot['volume_size'] + if quota.allowed_volumes(context, 1, size) < 1: pid = context.project_id LOG.warn(_("Quota exceeeded for %(pid)s, tried to create" @@ -51,6 +57,7 @@ class API(base.Base): 'size': size, 'user_id': context.user_id, 'project_id': context.project_id, + 'snapshot_id': snapshot_id, 'availability_zone': FLAGS.storage_availability_zone, 'status': "creating", 'attach_status': "detached", @@ -62,7 +69,8 @@ class API(base.Base): FLAGS.scheduler_topic, {"method": "create_volume", "args": {"topic": FLAGS.volume_topic, - "volume_id": volume['id']}}) + "volume_id": volume['id'], + "snapshot_id": snapshot_id}}) return volume def delete(self, context, volume_id): diff --git a/nova/volume/driver.py b/nova/volume/driver.py index ba0a7efef..02b0d50f4 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -101,6 +101,10 @@ class VolumeDriver(object): volume['name'], FLAGS.volume_group) + def create_volume_from_snapshot(self, volume, snapshot): + """Creates a volume from a snapshot.""" + raise NotImplementedError() + def delete_volume(self, volume): """Deletes a logical volume.""" try: diff --git a/nova/volume/manager.py b/nova/volume/manager.py index 87fd3bf17..7d47fc191 100644 --- a/nova/volume/manager.py +++ b/nova/volume/manager.py @@ -90,7 +90,7 @@ class VolumeManager(manager.SchedulerDependentManager): else: LOG.info(_("volume %s: skipping export"), volume['name']) - def create_volume(self, context, volume_id): + def create_volume(self, context, volume_id, snapshot_id): """Creates and exports the volume.""" context = context.elevated() volume_ref = self.db.volume_get(context, volume_id) @@ -108,7 +108,12 @@ class VolumeManager(manager.SchedulerDependentManager): vol_size = volume_ref['size'] LOG.debug(_("volume %(vol_name)s: creating lv of" " size %(vol_size)sG") % locals()) - model_update = self.driver.create_volume(volume_ref) + if snapshot_id == None: + model_update = self.driver.create_volume(volume_ref) + else: + snapshot_ref = self.db.snapshot_get(context, snapshot_id) + model_update = self.driver.create_volume_from_snapshot(volume_ref, + snapshot_ref) if model_update: self.db.volume_update(context, volume_ref['id'], model_update) -- cgit From 1018a60e3194e7e283cd89af28efd689623058a8 Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Tue, 19 Apr 2011 21:01:25 +0900 Subject: Add support for creating a new volume from a existing snapshot with EC2 API. --- nova/api/ec2/cloud.py | 12 +++++- .../versions/016_add_snapshot_id_to_volumes.py | 48 ++++++++++++++++++++++ nova/db/sqlalchemy/models.py | 2 + nova/volume/api.py | 12 +++++- nova/volume/driver.py | 4 ++ nova/volume/manager.py | 9 +++- 6 files changed, 81 insertions(+), 6 deletions(-) create mode 100644 nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py (limited to 'nova') diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index 6daf299b9..5d4d2ad27 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -639,11 +639,19 @@ class CloudController(object): v['display_description'] = volume['display_description'] return v - def create_volume(self, context, size, **kwargs): - LOG.audit(_("Create volume of %s GB"), size, context=context) + def create_volume(self, context, **kwargs): + size = kwargs.get('size'); + if kwargs.get('snapshot_id') != None: + snapshot_id = ec2utils.ec2_id_to_id(kwargs['snapshot_id']) + LOG.audit(_("Create volume from snapshot %s"), snapshot_id, context=context) + else: + snapshot_id = None + LOG.audit(_("Create volume of %s GB"), size, context=context) + volume = self.volume_api.create( context, size=size, + snapshot_id=snapshot_id, name=kwargs.get('display_name'), description=kwargs.get('display_description')) # TODO(vish): Instance should be None at db layer instead of diff --git a/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py b/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py new file mode 100644 index 000000000..0a50123bf --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py @@ -0,0 +1,48 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2011 MORITA Kazutaka. +# 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. + +from sqlalchemy import * +from migrate import * + +from nova import log as logging + + +meta = MetaData() + + +# Table stub-definitions +# Just for the ForeignKey and column creation to succeed, these are not the +# actual definitions of instances or services. +# +volumes = Table('volumes', meta, + Column('id', Integer(), primary_key=True, nullable=False), + ) + +# +# New Column +# + +snapshot_id = Column('snapshot_id', Integer()) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + # Add columns to existing tables + volumes.create_column(snapshot_id) diff --git a/nova/db/sqlalchemy/models.py b/nova/db/sqlalchemy/models.py index 9abe4d9ae..afc2ea4e4 100644 --- a/nova/db/sqlalchemy/models.py +++ b/nova/db/sqlalchemy/models.py @@ -287,6 +287,8 @@ class Volume(BASE, NovaBase): user_id = Column(String(255)) project_id = Column(String(255)) + snapshot_id = Column(String(255)) + host = Column(String(255)) # , ForeignKey('hosts.id')) size = Column(Integer) availability_zone = Column(String(255)) # TODO(vish): foreign key? diff --git a/nova/volume/api.py b/nova/volume/api.py index f5285f31f..bd073964d 100644 --- a/nova/volume/api.py +++ b/nova/volume/api.py @@ -39,7 +39,13 @@ LOG = logging.getLogger('nova.volume') class API(base.Base): """API for interacting with the volume manager.""" - def create(self, context, size, name, description): + def create(self, context, size, snapshot_id, name, description): + if snapshot_id != None: + snapshot = self.get_snapshot(context, snapshot_id) + if snapshot['status'] != "available": + raise exception.ApiError(_("Snapshot status must be available")) + size = snapshot['volume_size'] + if quota.allowed_volumes(context, 1, size) < 1: pid = context.project_id LOG.warn(_("Quota exceeeded for %(pid)s, tried to create" @@ -51,6 +57,7 @@ class API(base.Base): 'size': size, 'user_id': context.user_id, 'project_id': context.project_id, + 'snapshot_id': snapshot_id, 'availability_zone': FLAGS.storage_availability_zone, 'status': "creating", 'attach_status': "detached", @@ -62,7 +69,8 @@ class API(base.Base): FLAGS.scheduler_topic, {"method": "create_volume", "args": {"topic": FLAGS.volume_topic, - "volume_id": volume['id']}}) + "volume_id": volume['id'], + "snapshot_id": snapshot_id}}) return volume def delete(self, context, volume_id): diff --git a/nova/volume/driver.py b/nova/volume/driver.py index ba0a7efef..02b0d50f4 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -101,6 +101,10 @@ class VolumeDriver(object): volume['name'], FLAGS.volume_group) + def create_volume_from_snapshot(self, volume, snapshot): + """Creates a volume from a snapshot.""" + raise NotImplementedError() + def delete_volume(self, volume): """Deletes a logical volume.""" try: diff --git a/nova/volume/manager.py b/nova/volume/manager.py index 87fd3bf17..7d47fc191 100644 --- a/nova/volume/manager.py +++ b/nova/volume/manager.py @@ -90,7 +90,7 @@ class VolumeManager(manager.SchedulerDependentManager): else: LOG.info(_("volume %s: skipping export"), volume['name']) - def create_volume(self, context, volume_id): + def create_volume(self, context, volume_id, snapshot_id): """Creates and exports the volume.""" context = context.elevated() volume_ref = self.db.volume_get(context, volume_id) @@ -108,7 +108,12 @@ class VolumeManager(manager.SchedulerDependentManager): vol_size = volume_ref['size'] LOG.debug(_("volume %(vol_name)s: creating lv of" " size %(vol_size)sG") % locals()) - model_update = self.driver.create_volume(volume_ref) + if snapshot_id == None: + model_update = self.driver.create_volume(volume_ref) + else: + snapshot_ref = self.db.snapshot_get(context, snapshot_id) + model_update = self.driver.create_volume_from_snapshot(volume_ref, + snapshot_ref) if model_update: self.db.volume_update(context, volume_ref['id'], model_update) -- cgit From 1c7c53a9f40a88eb9def7ab9d706e7399ad5e65b Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Tue, 19 Apr 2011 21:02:00 +0900 Subject: Add support for cloning a Sheepdog volume. --- nova/volume/driver.py | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'nova') diff --git a/nova/volume/driver.py b/nova/volume/driver.py index 02b0d50f4..3f3caf37a 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -620,6 +620,13 @@ class SheepdogDriver(VolumeDriver): "sheepdog:%s" % volume['name'], sizestr) + def create_volume_from_snapshot(self, volume, snapshot): + """Creates a sheepdog volume from a snapshot.""" + self._try_execute('qemu-img', 'create', '-b', + "sheepdog:%s:%s" % (snapshot['volume_name'], snapshot['name']), + "sheepdog:%s" % volume['name']) + + def delete_volume(self, volume): """Deletes a logical volume""" self._try_execute('collie', 'vdi', 'delete', volume['name']) -- cgit From 5b670fe9bca9103642967bce609853704d0d1b88 Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Tue, 19 Apr 2011 21:02:00 +0900 Subject: Add support for cloning a Sheepdog volume. --- nova/volume/driver.py | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'nova') diff --git a/nova/volume/driver.py b/nova/volume/driver.py index 02b0d50f4..3f3caf37a 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -620,6 +620,13 @@ class SheepdogDriver(VolumeDriver): "sheepdog:%s" % volume['name'], sizestr) + def create_volume_from_snapshot(self, volume, snapshot): + """Creates a sheepdog volume from a snapshot.""" + self._try_execute('qemu-img', 'create', '-b', + "sheepdog:%s:%s" % (snapshot['volume_name'], snapshot['name']), + "sheepdog:%s" % volume['name']) + + def delete_volume(self, volume): """Deletes a logical volume""" self._try_execute('collie', 'vdi', 'delete', volume['name']) -- cgit From 389f7c79199d5ad908a72375a7377a1122f36707 Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Mon, 9 May 2011 17:52:26 +0900 Subject: volume/driver: factor out lvm opration Factor out lvm operation for implementing basic snapshot later. --- nova/volume/driver.py | 62 ++++++++++++++++++++++++++++----------------------- 1 file changed, 34 insertions(+), 28 deletions(-) (limited to 'nova') diff --git a/nova/volume/driver.py b/nova/volume/driver.py index 3f3caf37a..9591c93d0 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -90,16 +90,40 @@ class VolumeDriver(object): raise exception.Error(_("volume group %s doesn't exist") % FLAGS.volume_group) + def _create_volume(self, volume_name, sizestr): + self._try_execute('sudo', 'lvcreate', '-L', sizestr, '-n', + volume_name, FLAGS.volume_group) + + def _copy_volume(self, srcstr, deststr, size_in_g): + self._execute('sudo', 'dd', 'if=%s' % srcstr, 'of=%s' % deststr, + 'count=%d' % (size_in_g * 1024), 'bs=1M') + + def _volume_not_present(self, volume_name): + path_name = '%s/%s' % (FLAGS.volume_group, volume_name) + try: + self._try_execute('sudo', 'lvdisplay', path_name) + except Exception as e: + # If the volume isn't present + return True + return False + + def _delete_volume(self, volume, size_in_g): + """Deletes a logical volume.""" + # zero out old volumes to prevent data leaking between users + # TODO(ja): reclaiming space should be done lazy and low priority + self._copy_volume('/dev/zero', self.local_path(volume), size_in_g) + self._try_execute('sudo', 'lvremove', '-f', "%s/%s" % + (FLAGS.volume_group, volume['name'])) + + def _sizestr(self, size_in_g): + if int(size_in_g) == 0: + return '100M' + return '%sG' % size_in_g + def create_volume(self, volume): """Creates a logical volume. Can optionally return a Dictionary of changes to the volume object to be persisted.""" - if int(volume['size']) == 0: - sizestr = '100M' - else: - sizestr = '%sG' % volume['size'] - self._try_execute('sudo', 'lvcreate', '-L', sizestr, '-n', - volume['name'], - FLAGS.volume_group) + self._create_volume(volume['name'], self._sizestr(volume['size'])) def create_volume_from_snapshot(self, volume, snapshot): """Creates a volume from a snapshot.""" @@ -107,24 +131,10 @@ class VolumeDriver(object): def delete_volume(self, volume): """Deletes a logical volume.""" - try: - self._try_execute('sudo', 'lvdisplay', - '%s/%s' % - (FLAGS.volume_group, - volume['name'])) - except Exception as e: + if self._volume_not_present(volume['name']): # If the volume isn't present, then don't attempt to delete return True - - # zero out old volumes to prevent data leaking between users - # TODO(ja): reclaiming space should be done lazy and low priority - self._execute('sudo', 'dd', 'if=/dev/zero', - 'of=%s' % self.local_path(volume), - 'count=%d' % (volume['size'] * 1024), - 'bs=1M') - self._try_execute('sudo', 'lvremove', '-f', "%s/%s" % - (FLAGS.volume_group, - volume['name'])) + self._delete_volume(volume, volume['size']) def create_snapshot(self, snapshot): """Creates a snapshot.""" @@ -612,13 +622,9 @@ class SheepdogDriver(VolumeDriver): def create_volume(self, volume): """Creates a sheepdog volume""" - if int(volume['size']) == 0: - sizestr = '100M' - else: - sizestr = '%sG' % volume['size'] self._try_execute('qemu-img', 'create', "sheepdog:%s" % volume['name'], - sizestr) + self._sizestr(volume['size'])) def create_volume_from_snapshot(self, volume, snapshot): """Creates a sheepdog volume from a snapshot.""" -- cgit From 03c735bb186a44d80a9d595e00e9c06fd8f709cc Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Mon, 9 May 2011 17:53:25 +0900 Subject: volume/driver: implement basic snapshot/clone added basic support for snapshot/clone to VolumeDriver. The implementation is not effective, but works. The effective implementation should be done by drived driver class. --- nova/exception.py | 6 ++++++ nova/volume/driver.py | 42 +++++++++++++++++++++++++++++++++++++----- nova/volume/manager.py | 6 ++++++ 3 files changed, 49 insertions(+), 5 deletions(-) (limited to 'nova') diff --git a/nova/exception.py b/nova/exception.py index 2dffeb795..6748ef265 100644 --- a/nova/exception.py +++ b/nova/exception.py @@ -79,6 +79,12 @@ class VolumeNotFound(NotFound): super(VolumeNotFound, self).__init__(message) +class VolumeIsBusy(Error): + def __init__(self, message, volume_id): + self.volume_id = volume_id + super(Error, self).__init__(message) + + class SnapshotNotFound(NotFound): def __init__(self, message, snapshot_id): self.snapshot_id = snapshot_id diff --git a/nova/volume/driver.py b/nova/volume/driver.py index 9591c93d0..457a1c9e6 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -113,13 +113,21 @@ class VolumeDriver(object): # TODO(ja): reclaiming space should be done lazy and low priority self._copy_volume('/dev/zero', self.local_path(volume), size_in_g) self._try_execute('sudo', 'lvremove', '-f', "%s/%s" % - (FLAGS.volume_group, volume['name'])) + (FLAGS.volume_group, + self._escape_snapshot(volume['name']))) def _sizestr(self, size_in_g): if int(size_in_g) == 0: return '100M' return '%sG' % size_in_g + # Linux LVM reserves name that starts with snapshot, so that + # such volume name can't be created. Mangle it. + def _escape_snapshot(self, snapshot_name): + if not snapshot_name.startswith('snapshot'): + return snapshot_name + return '_' + snapshot_name + def create_volume(self, volume): """Creates a logical volume. Can optionally return a Dictionary of changes to the volume object to be persisted.""" @@ -127,27 +135,51 @@ class VolumeDriver(object): def create_volume_from_snapshot(self, volume, snapshot): """Creates a volume from a snapshot.""" - raise NotImplementedError() + self._create_volume(volume['name'], self._sizestr(volume['size'])) + self._copy_volume(self.local_path(snapshot), self.local_path(volume), + snapshot['volume_size']) def delete_volume(self, volume): """Deletes a logical volume.""" if self._volume_not_present(volume['name']): # If the volume isn't present, then don't attempt to delete return True + + # TODO(yamahata): lvm can't delete origin volume only without + # deleting derived snapshots. Can we do something fancy? + out, err = self._execute('sudo', 'lvdisplay', '--noheading', + '-C', '-o', 'Attr', + '%s/%s' % (FLAGS.volume_group, + volume['name'])) + out = out.strip() + if (out[0] == 'o') or (out[0] == 'O'): + raise exception.VolumeIsBusy( + _('deleting volume %s that has snapshot'), volume['name']) + self._delete_volume(volume, volume['size']) def create_snapshot(self, snapshot): """Creates a snapshot.""" - raise NotImplementedError() + orig_lv_name = "%s/%s" % (FLAGS.volume_group, snapshot['volume_name']) + self._try_execute('sudo', 'lvcreate', '-L', + self._sizestr(snapshot['volume_size']), + '--name', self._escape_snapshot(snapshot['name']), + '--snapshot', orig_lv_name) def delete_snapshot(self, snapshot): """Deletes a snapshot.""" - raise NotImplementedError() + if self._volume_not_present(self._escape_snapshot(snapshot['name'])): + # If the snapshot isn't present, then don't attempt to delete + return True + + # TODO(yamahata): zeroing out the whole snapshot triggers COW. + # it's quite slow. + self._delete_volume(snapshot, snapshot['volume_size']) def local_path(self, volume): # NOTE(vish): stops deprecation warning escaped_group = FLAGS.volume_group.replace('-', '--') - escaped_name = volume['name'].replace('-', '--') + escaped_name = self._escape_snapshot(volume['name']).replace('-', '--') return "/dev/mapper/%s-%s" % (escaped_group, escaped_name) def ensure_export(self, context, volume): diff --git a/nova/volume/manager.py b/nova/volume/manager.py index 7d47fc191..84085fbd8 100644 --- a/nova/volume/manager.py +++ b/nova/volume/manager.py @@ -147,6 +147,12 @@ class VolumeManager(manager.SchedulerDependentManager): self.driver.remove_export(context, volume_ref) LOG.debug(_("volume %s: deleting"), volume_ref['name']) self.driver.delete_volume(volume_ref) + except exception.VolumeIsBusy, e: + LOG.debug(_("volume %s: volume is busy"), volume_ref['name']) + self.driver.ensure_export(context, volume_ref) + self.db.volume_update(context, volume_ref['id'], + {'status': 'available'}) + return True except Exception: self.db.volume_update(context, volume_ref['id'], -- cgit From db148f108dfc4829e1302a54fe4f57ab81212786 Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Mon, 9 May 2011 19:25:02 +0900 Subject: fix mismerge by 1059 --- nova/db/sqlalchemy/api.py | 3 +-- nova/exception.py | 65 ++++++----------------------------------------- nova/volume/driver.py | 3 +-- 3 files changed, 10 insertions(+), 61 deletions(-) (limited to 'nova') diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py index ebdb2ad5c..7302f25b0 100644 --- a/nova/db/sqlalchemy/api.py +++ b/nova/db/sqlalchemy/api.py @@ -1798,8 +1798,7 @@ def snapshot_get(context, snapshot_id, session=None): filter_by(deleted=False).\ first() if not result: - raise exception.SnapshotNotFound(_('Snapshot %s not found') % snapshot_id, - snapshot_id) + raise exception.SnapshotNotFound(snapshot_id=snapshot_id) return result diff --git a/nova/exception.py b/nova/exception.py index 6748ef265..b16ea6810 100644 --- a/nova/exception.py +++ b/nova/exception.py @@ -60,65 +60,8 @@ class ApiError(Error): class BuildInProgress(Error): - super(ApiError, self).__init__('%s: %s' % (code, message)) - - -class NotFound(Error): - pass - - -class InstanceNotFound(NotFound): - def __init__(self, message, instance_id): - self.instance_id = instance_id - super(InstanceNotFound, self).__init__(message) - - -class VolumeNotFound(NotFound): - def __init__(self, message, volume_id): - self.volume_id = volume_id - super(VolumeNotFound, self).__init__(message) - - -class VolumeIsBusy(Error): - def __init__(self, message, volume_id): - self.volume_id = volume_id - super(Error, self).__init__(message) - - -class SnapshotNotFound(NotFound): - def __init__(self, message, snapshot_id): - self.snapshot_id = snapshot_id - super(SnapshotNotFound, self).__init__(message) - - -class Duplicate(Error): pass - -class NotAuthorized(Error): - pass - - -class NotEmpty(Error): - pass - - -class Invalid(Error): - pass - - -class InvalidInputException(Error): - pass - - -class InvalidContentType(Error): - pass - - -class TimeoutException(Error): - pass - - class DBError(Error): """Wraps an implementation specific exception.""" def __init__(self, inner_exception): @@ -319,6 +262,14 @@ class VolumeNotFoundForInstance(VolumeNotFound): message = _("Volume not found for instance %(instance_id)s.") +class SnapshotNotFound(NotFound): + message = _("Snapshot %(snapshot_id)s not found") + + +class VolumeIsBusy(Error): + message = _("deleting volume %(volume_name)s that has snapshot") + + class ExportDeviceNotFoundForVolume(NotFound): message = _("No export device found for volume %(volume_id)s.") diff --git a/nova/volume/driver.py b/nova/volume/driver.py index 457a1c9e6..e783d3a5a 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -153,8 +153,7 @@ class VolumeDriver(object): volume['name'])) out = out.strip() if (out[0] == 'o') or (out[0] == 'O'): - raise exception.VolumeIsBusy( - _('deleting volume %s that has snapshot'), volume['name']) + raise exception.VolumeIsBusy(volume_name=volume['name']) self._delete_volume(volume, volume['size']) -- cgit From c5dbee818b1a06bf5358c32197c8e15ecf0f660d Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Mon, 9 May 2011 20:19:35 +0900 Subject: db: fix db versioning --- .../versions/015_add_volume_snapshot_support.py | 71 ---------------------- .../versions/016_add_snapshot_id_to_volumes.py | 48 --------------- .../versions/016_add_volume_snapshot_support.py | 71 ++++++++++++++++++++++ .../versions/017_add_snapshot_id_to_volumes.py | 48 +++++++++++++++ 4 files changed, 119 insertions(+), 119 deletions(-) delete mode 100644 nova/db/sqlalchemy/migrate_repo/versions/015_add_volume_snapshot_support.py delete mode 100644 nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py create mode 100644 nova/db/sqlalchemy/migrate_repo/versions/016_add_volume_snapshot_support.py create mode 100644 nova/db/sqlalchemy/migrate_repo/versions/017_add_snapshot_id_to_volumes.py (limited to 'nova') diff --git a/nova/db/sqlalchemy/migrate_repo/versions/015_add_volume_snapshot_support.py b/nova/db/sqlalchemy/migrate_repo/versions/015_add_volume_snapshot_support.py deleted file mode 100644 index 288f63e72..000000000 --- a/nova/db/sqlalchemy/migrate_repo/versions/015_add_volume_snapshot_support.py +++ /dev/null @@ -1,71 +0,0 @@ -# vim: tabstop=4 shiftwidth=4 softtabstop=4 - -# Copyright 2011 MORITA Kazutaka. -# 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. - -from sqlalchemy import * -from migrate import * - -from nova import log as logging - -meta = MetaData() - -snapshots = Table('snapshots', meta, - Column('created_at', DateTime(timezone=False)), - Column('updated_at', DateTime(timezone=False)), - Column('deleted_at', DateTime(timezone=False)), - Column('deleted', Boolean(create_constraint=True, name=None)), - Column('id', Integer(), primary_key=True, nullable=False), - Column('volume_id', Integer(), nullable=False), - Column('user_id', - String(length=255, convert_unicode=False, assert_unicode=None, - unicode_error=None, _warn_on_bytestring=False)), - Column('project_id', - String(length=255, convert_unicode=False, assert_unicode=None, - unicode_error=None, _warn_on_bytestring=False)), - Column('status', - String(length=255, convert_unicode=False, assert_unicode=None, - unicode_error=None, _warn_on_bytestring=False)), - Column('progress', - String(length=255, convert_unicode=False, assert_unicode=None, - unicode_error=None, _warn_on_bytestring=False)), - Column('volume_size', Integer()), - Column('scheduled_at', DateTime(timezone=False)), - Column('display_name', - String(length=255, convert_unicode=False, assert_unicode=None, - unicode_error=None, _warn_on_bytestring=False)), - Column('display_description', - String(length=255, convert_unicode=False, assert_unicode=None, - unicode_error=None, _warn_on_bytestring=False)) - ) - - -def upgrade(migrate_engine): - # Upgrade operations go here. Don't create your own engine; - # bind migrate_engine to your metadata - meta.bind = migrate_engine - - try: - snapshots.create() - except Exception: - logging.info(repr(snapshots)) - logging.exception('Exception while creating table') - meta.drop_all(tables=[snapshots]) - raise - - -def downgrade(migrate_engine): - # Operations to reverse the above upgrade go here. - snapshots.drop() diff --git a/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py b/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py deleted file mode 100644 index 0a50123bf..000000000 --- a/nova/db/sqlalchemy/migrate_repo/versions/016_add_snapshot_id_to_volumes.py +++ /dev/null @@ -1,48 +0,0 @@ -# vim: tabstop=4 shiftwidth=4 softtabstop=4 - -# Copyright 2011 MORITA Kazutaka. -# 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. - -from sqlalchemy import * -from migrate import * - -from nova import log as logging - - -meta = MetaData() - - -# Table stub-definitions -# Just for the ForeignKey and column creation to succeed, these are not the -# actual definitions of instances or services. -# -volumes = Table('volumes', meta, - Column('id', Integer(), primary_key=True, nullable=False), - ) - -# -# New Column -# - -snapshot_id = Column('snapshot_id', Integer()) - - -def upgrade(migrate_engine): - # Upgrade operations go here. Don't create your own engine; - # bind migrate_engine to your metadata - meta.bind = migrate_engine - - # Add columns to existing tables - volumes.create_column(snapshot_id) diff --git a/nova/db/sqlalchemy/migrate_repo/versions/016_add_volume_snapshot_support.py b/nova/db/sqlalchemy/migrate_repo/versions/016_add_volume_snapshot_support.py new file mode 100644 index 000000000..288f63e72 --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/016_add_volume_snapshot_support.py @@ -0,0 +1,71 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2011 MORITA Kazutaka. +# 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. + +from sqlalchemy import * +from migrate import * + +from nova import log as logging + +meta = MetaData() + +snapshots = Table('snapshots', meta, + Column('created_at', DateTime(timezone=False)), + Column('updated_at', DateTime(timezone=False)), + Column('deleted_at', DateTime(timezone=False)), + Column('deleted', Boolean(create_constraint=True, name=None)), + Column('id', Integer(), primary_key=True, nullable=False), + Column('volume_id', Integer(), nullable=False), + Column('user_id', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('project_id', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('status', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('progress', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('volume_size', Integer()), + Column('scheduled_at', DateTime(timezone=False)), + Column('display_name', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)), + Column('display_description', + String(length=255, convert_unicode=False, assert_unicode=None, + unicode_error=None, _warn_on_bytestring=False)) + ) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + try: + snapshots.create() + except Exception: + logging.info(repr(snapshots)) + logging.exception('Exception while creating table') + meta.drop_all(tables=[snapshots]) + raise + + +def downgrade(migrate_engine): + # Operations to reverse the above upgrade go here. + snapshots.drop() diff --git a/nova/db/sqlalchemy/migrate_repo/versions/017_add_snapshot_id_to_volumes.py b/nova/db/sqlalchemy/migrate_repo/versions/017_add_snapshot_id_to_volumes.py new file mode 100644 index 000000000..0a50123bf --- /dev/null +++ b/nova/db/sqlalchemy/migrate_repo/versions/017_add_snapshot_id_to_volumes.py @@ -0,0 +1,48 @@ +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2011 MORITA Kazutaka. +# 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. + +from sqlalchemy import * +from migrate import * + +from nova import log as logging + + +meta = MetaData() + + +# Table stub-definitions +# Just for the ForeignKey and column creation to succeed, these are not the +# actual definitions of instances or services. +# +volumes = Table('volumes', meta, + Column('id', Integer(), primary_key=True, nullable=False), + ) + +# +# New Column +# + +snapshot_id = Column('snapshot_id', Integer()) + + +def upgrade(migrate_engine): + # Upgrade operations go here. Don't create your own engine; + # bind migrate_engine to your metadata + meta.bind = migrate_engine + + # Add columns to existing tables + volumes.create_column(snapshot_id) -- cgit From d44299be90bbfcac5f8de1e1264b81fbb0bfa5e2 Mon Sep 17 00:00:00 2001 From: Masanori Itoh Date: Tue, 17 May 2011 01:00:16 +0900 Subject: Add vnc_keymap flag and enable setting keymap for vnc console. --- nova/virt/libvirt.xml.template | 2 +- nova/virt/libvirt_conn.py | 1 + nova/vnc/__init__.py | 2 ++ 3 files changed, 4 insertions(+), 1 deletion(-) (limited to 'nova') diff --git a/nova/virt/libvirt.xml.template b/nova/virt/libvirt.xml.template index de2497a76..20986d4d5 100644 --- a/nova/virt/libvirt.xml.template +++ b/nova/virt/libvirt.xml.template @@ -116,7 +116,7 @@ #if $getVar('vncserver_host', False) - + #end if diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index 555e44ce2..7552c9488 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -1022,6 +1022,7 @@ class LibvirtConnection(driver.ComputeDriver): if FLAGS.vnc_enabled: if FLAGS.libvirt_type != 'lxc': xml_info['vncserver_host'] = FLAGS.vncserver_host + xml_info['vnc_keymap'] = FLAGS.vnc_keymap if not rescue: if instance['kernel_id']: xml_info['kernel'] = xml_info['basepath'] + "/kernel" diff --git a/nova/vnc/__init__.py b/nova/vnc/__init__.py index b5b00e44e..859bfd65f 100644 --- a/nova/vnc/__init__.py +++ b/nova/vnc/__init__.py @@ -32,3 +32,5 @@ flags.DEFINE_string('vncserver_host', '0.0.0.0', 'the host interface on which vnc server should listen') flags.DEFINE_bool('vnc_enabled', True, 'enable vnc related features') +flags.DEFINE_string('vnc_keymap', 'en-us', + 'keymap for vnc') -- cgit From f488576ae27f8eb96a04022d0ecd11a28bd15116 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Tue, 24 May 2011 16:44:28 -0400 Subject: Added filtering on image properties --- nova/api/openstack/images.py | 23 +++++++++++++++++++++-- nova/image/fake.py | 4 ++-- nova/image/glance.py | 8 ++++---- nova/tests/api/openstack/fakes.py | 4 ++-- nova/tests/api/openstack/test_images.py | 9 +++++++++ nova/tests/image/test_glance.py | 2 +- 6 files changed, 39 insertions(+), 11 deletions(-) (limited to 'nova') diff --git a/nova/api/openstack/images.py b/nova/api/openstack/images.py index 34d4c27fc..755ce8ead 100644 --- a/nova/api/openstack/images.py +++ b/nova/api/openstack/images.py @@ -28,6 +28,9 @@ from nova.api.openstack.views import images as images_view LOG = log.getLogger('nova.api.openstack.images') FLAGS = flags.FLAGS +SUPPORTED_FILTERS = ['name', 'status', 'container_format', 'disk_format', + 'size_min', 'size_max'] + class Controller(common.OpenstackController): """Base `wsgi.Controller` for retrieving/displaying images.""" @@ -59,7 +62,8 @@ class Controller(common.OpenstackController): :param req: `wsgi.Request` object """ context = req.environ['nova.context'] - images = self._image_service.index(context) + filters = self._get_filters(req) + images = self._image_service.index(context, filters) images = common.limited(images, req) builder = self.get_builder(req).build return dict(images=[builder(image, detail=False) for image in images]) @@ -70,11 +74,26 @@ class Controller(common.OpenstackController): :param req: `wsgi.Request` object. """ context = req.environ['nova.context'] - images = self._image_service.detail(context) + filters = self._get_filters(req) + images = self._image_service.detail(context, filters) images = common.limited(images, req) builder = self.get_builder(req).build return dict(images=[builder(image, detail=True) for image in images]) + def _get_filters(self, req): + """ + Return a dictionary of query param filters from the request + + :param req: the Request object coming from the wsgi layer + :retval a dict of key/value filters + """ + filters = {} + for param in req.str_params: + if param in SUPPORTED_FILTERS or param.startswith('property-'): + filters[param] = req.str_params.get(param) + + return filters + def show(self, req, id): """Return detailed information about a specific image. diff --git a/nova/image/fake.py b/nova/image/fake.py index b400b2adb..8e84c8597 100644 --- a/nova/image/fake.py +++ b/nova/image/fake.py @@ -52,11 +52,11 @@ class FakeImageService(service.BaseImageService): self.create(None, image) super(FakeImageService, self).__init__() - def index(self, context): + def index(self, context, filters=None): """Returns list of images.""" return copy.deepcopy(self.images.values()) - def detail(self, context): + def detail(self, context, filters=None): """Return list of detailed image information.""" return copy.deepcopy(self.images.values()) diff --git a/nova/image/glance.py b/nova/image/glance.py index 193e37273..dec797619 100644 --- a/nova/image/glance.py +++ b/nova/image/glance.py @@ -58,23 +58,23 @@ class GlanceImageService(service.BaseImageService): else: self.client = client - def index(self, context): + def index(self, context, filters=None): """Calls out to Glance for a list of images available.""" # NOTE(sirp): We need to use `get_images_detailed` and not # `get_images` here because we need `is_public` and `properties` # included so we can filter by user filtered = [] - image_metas = self.client.get_images_detailed() + image_metas = self.client.get_images_detailed(filters=filters) for image_meta in image_metas: if self._is_image_available(context, image_meta): meta_subset = utils.subset_dict(image_meta, ('id', 'name')) filtered.append(meta_subset) return filtered - def detail(self, context): + def detail(self, context, filters=None): """Calls out to Glance for a list of detailed image information.""" filtered = [] - image_metas = self.client.get_images_detailed() + image_metas = self.client.get_images_detailed(filters=filters) for image_meta in image_metas: if self._is_image_available(context, image_meta): base_image_meta = self._translate_to_base(image_meta) diff --git a/nova/tests/api/openstack/fakes.py b/nova/tests/api/openstack/fakes.py index bf51239e6..8e0156afa 100644 --- a/nova/tests/api/openstack/fakes.py +++ b/nova/tests/api/openstack/fakes.py @@ -166,11 +166,11 @@ def stub_out_glance(stubs, initial_fixtures=None): def __init__(self, initial_fixtures): self.fixtures = initial_fixtures or [] - def fake_get_images(self): + def fake_get_images(self, filters=None): return [dict(id=f['id'], name=f['name']) for f in self.fixtures] - def fake_get_images_detailed(self): + def fake_get_images_detailed(self, filters=None): return copy.deepcopy(self.fixtures) def fake_get_image_meta(self, image_id): diff --git a/nova/tests/api/openstack/test_images.py b/nova/tests/api/openstack/test_images.py index 2c329f920..76d4e2f56 100644 --- a/nova/tests/api/openstack/test_images.py +++ b/nova/tests/api/openstack/test_images.py @@ -708,6 +708,15 @@ class ImageControllerWithGlanceServiceTest(test.TestCase): self.assertDictListMatch(expected, response_list) + def test_get_image_request_filters(self): + request =\ + webob.Request.blank('/v1.1/images/detail?status=ACTIVE&name=testname') + filters = images.Controller()._get_filters(request) + expected = {'status': 'ACTIVE', + 'name': 'testname', + } + self.assertDictMatch(expected, filters) + def test_get_image_found(self): req = webob.Request.blank('/v1.0/images/123') res = req.get_response(fakes.wsgi_app()) diff --git a/nova/tests/image/test_glance.py b/nova/tests/image/test_glance.py index 109905ded..6d108d494 100644 --- a/nova/tests/image/test_glance.py +++ b/nova/tests/image/test_glance.py @@ -34,7 +34,7 @@ class StubGlanceClient(object): def get_image_meta(self, image_id): return self.images[image_id] - def get_images_detailed(self): + def get_images_detailed(self, filters=None): return self.images.itervalues() def get_image(self, image_id): -- cgit From 17abaeafaf3fed2847e4377a16b47771eb663304 Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Wed, 25 May 2011 16:27:28 +0900 Subject: Fix wrong call of the volume api create() --- nova/api/openstack/contrib/volumes.py | 2 +- nova/tests/test_quota.py | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'nova') diff --git a/nova/api/openstack/contrib/volumes.py b/nova/api/openstack/contrib/volumes.py index 18de2ec71..b22bd2846 100644 --- a/nova/api/openstack/contrib/volumes.py +++ b/nova/api/openstack/contrib/volumes.py @@ -135,7 +135,7 @@ class VolumeController(wsgi.Controller): vol = env['volume'] size = vol['size'] LOG.audit(_("Create volume of %s GB"), size, context=context) - new_volume = self.volume_api.create(context, size, + new_volume = self.volume_api.create(context, size, None, vol.get('display_name'), vol.get('display_description')) diff --git a/nova/tests/test_quota.py b/nova/tests/test_quota.py index 7ace2ad7d..990068fae 100644 --- a/nova/tests/test_quota.py +++ b/nova/tests/test_quota.py @@ -228,6 +228,7 @@ class QuotaTestCase(test.TestCase): volume.API().create, self.context, size=10, + snapshot_id=None, name='', description='') for volume_id in volume_ids: @@ -241,6 +242,7 @@ class QuotaTestCase(test.TestCase): volume.API().create, self.context, size=10, + snapshot_id=None, name='', description='') for volume_id in volume_ids: -- cgit From 7139cf1f0cfe9241a1710e5b7c621db569a2fc2d Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Wed, 25 May 2011 16:37:52 +0900 Subject: Make snapshot_id=None a default value in VolumeManager:create_volume(). It is not a regular case to create a volume from a snapshot. --- nova/volume/manager.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'nova') diff --git a/nova/volume/manager.py b/nova/volume/manager.py index 84085fbd8..b6f0f5eeb 100644 --- a/nova/volume/manager.py +++ b/nova/volume/manager.py @@ -90,7 +90,7 @@ class VolumeManager(manager.SchedulerDependentManager): else: LOG.info(_("volume %s: skipping export"), volume['name']) - def create_volume(self, context, volume_id, snapshot_id): + def create_volume(self, context, volume_id, snapshot_id=None): """Creates and exports the volume.""" context = context.elevated() volume_ref = self.db.volume_get(context, volume_id) -- cgit From f3125b3012da7b6429e4e551060498e665c4596e Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Wed, 25 May 2011 17:51:30 +0900 Subject: Add unittests for cloning volumes. --- nova/tests/test_cloud.py | 19 +++++++++++++++++++ nova/tests/test_volume.py | 20 +++++++++++++++++++- 2 files changed, 38 insertions(+), 1 deletion(-) (limited to 'nova') diff --git a/nova/tests/test_cloud.py b/nova/tests/test_cloud.py index d9169a646..8c7520fe8 100644 --- a/nova/tests/test_cloud.py +++ b/nova/tests/test_cloud.py @@ -171,6 +171,25 @@ class CloudTestCase(test.TestCase): db.volume_destroy(self.context, vol1['id']) db.volume_destroy(self.context, vol2['id']) + def test_create_volume_from_snapshot(self): + """Makes sure create_volume works when we specify a snapshot.""" + vol = db.volume_create(self.context, {'size': 1}) + snap = db.snapshot_create(self.context, {'volume_id': vol['id'], + 'volume_size': vol['size'], + 'status': "available"}) + snapshot_id = ec2utils.id_to_ec2_id(snap['id'], 'snap-%08x') + + result = self.cloud.create_volume(self.context, + snapshot_id=snapshot_id) + volume_id = result['volumeId'] + result = self.cloud.describe_volumes(self.context) + self.assertEqual(len(result['volumeSet']), 2) + self.assertEqual(result['volumeSet'][1]['volumeId'], volume_id) + + db.volume_destroy(self.context, ec2utils.ec2_id_to_id(volume_id)) + db.snapshot_destroy(self.context, snap['id']) + db.volume_destroy(self.context, vol['id']) + def test_describe_availability_zones(self): """Makes sure describe_availability_zones works and filters results.""" service1 = db.service_create(self.context, {'host': 'host1_zones', diff --git a/nova/tests/test_volume.py b/nova/tests/test_volume.py index c66b66959..1c25d601a 100644 --- a/nova/tests/test_volume.py +++ b/nova/tests/test_volume.py @@ -45,10 +45,11 @@ class VolumeTestCase(test.TestCase): self.context = context.get_admin_context() @staticmethod - def _create_volume(size='0'): + def _create_volume(size='0', snapshot_id=None): """Create a volume object.""" vol = {} vol['size'] = size + vol['snapshot_id'] = snapshot_id vol['user_id'] = 'fake' vol['project_id'] = 'fake' vol['availability_zone'] = FLAGS.storage_availability_zone @@ -69,6 +70,23 @@ class VolumeTestCase(test.TestCase): self.context, volume_id) + def test_create_volume_from_snapshot(self): + """Test volume can be created from a snapshot.""" + volume_src_id = self._create_volume() + self.volume.create_volume(self.context, volume_src_id) + snapshot_id = self._create_snapshot(volume_src_id) + self.volume.create_snapshot(self.context, volume_src_id, snapshot_id) + volume_dst_id = self._create_volume(0, snapshot_id) + self.volume.create_volume(self.context, volume_dst_id, snapshot_id) + self.assertEqual(volume_dst_id, db.volume_get(context.get_admin_context(), + volume_dst_id).id) + self.assertEqual(snapshot_id, db.volume_get(context.get_admin_context(), + volume_dst_id).snapshot_id) + + self.volume.delete_volume(self.context, volume_dst_id) + self.volume.delete_snapshot(self.context, snapshot_id) + self.volume.delete_volume(self.context, volume_src_id) + def test_too_big_volume(self): """Ensure failure if a too large of a volume is requested.""" # FIXME(vish): validation needs to move into the data layer in -- cgit From d380729b162c8d6120279db74327e61a4942e28f Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Wed, 25 May 2011 18:02:07 +0900 Subject: Avoid wildcard import. --- .../sqlalchemy/migrate_repo/versions/020_add_snapshot_id_to_volumes.py | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'nova') diff --git a/nova/db/sqlalchemy/migrate_repo/versions/020_add_snapshot_id_to_volumes.py b/nova/db/sqlalchemy/migrate_repo/versions/020_add_snapshot_id_to_volumes.py index 0a50123bf..10bd9d5c9 100644 --- a/nova/db/sqlalchemy/migrate_repo/versions/020_add_snapshot_id_to_volumes.py +++ b/nova/db/sqlalchemy/migrate_repo/versions/020_add_snapshot_id_to_volumes.py @@ -15,8 +15,7 @@ # License for the specific language governing permissions and limitations # under the License. -from sqlalchemy import * -from migrate import * +from sqlalchemy import Column, Table, MetaData, Integer from nova import log as logging -- cgit From 3d9569147cee2eaa94fc49c55b40f70a72171ebe Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Wed, 25 May 2011 09:33:51 -0400 Subject: Added test --- nova/tests/api/openstack/test_images.py | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'nova') diff --git a/nova/tests/api/openstack/test_images.py b/nova/tests/api/openstack/test_images.py index 76d4e2f56..233419c6d 100644 --- a/nova/tests/api/openstack/test_images.py +++ b/nova/tests/api/openstack/test_images.py @@ -709,11 +709,20 @@ class ImageControllerWithGlanceServiceTest(test.TestCase): self.assertDictListMatch(expected, response_list) def test_get_image_request_filters(self): - request =\ - webob.Request.blank('/v1.1/images/detail?status=ACTIVE&name=testname') + request = webob.Request.blank( + '/v1.1/images/detail?status=ACTIVE&name=testname&property-test=3') filters = images.Controller()._get_filters(request) expected = {'status': 'ACTIVE', 'name': 'testname', + 'property-test': '3', + } + self.assertDictMatch(expected, filters) + + def test_get_image_request_filters_not_supported(self): + request = webob.Request.blank( + '/v1.1/images/detail?status=ACTIVE&UNSUPPORTEDFILTER=testname') + filters = images.Controller()._get_filters(request) + expected = {'status': 'ACTIVE', } self.assertDictMatch(expected, filters) -- cgit From 537c5aea298a6c09b3329185c2d0eed77a0a21bd Mon Sep 17 00:00:00 2001 From: Mark Washenberger Date: Wed, 25 May 2011 12:09:53 -0400 Subject: try out mox for testing image request filters --- nova/tests/api/openstack/test_images.py | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'nova') diff --git a/nova/tests/api/openstack/test_images.py b/nova/tests/api/openstack/test_images.py index 233419c6d..e25334732 100644 --- a/nova/tests/api/openstack/test_images.py +++ b/nova/tests/api/openstack/test_images.py @@ -28,6 +28,7 @@ import shutil import tempfile import xml.dom.minidom as minidom +import mox import stubout import webob @@ -709,14 +710,20 @@ class ImageControllerWithGlanceServiceTest(test.TestCase): self.assertDictListMatch(expected, response_list) def test_get_image_request_filters(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {'status': 'ACTIVE', + 'name': 'testname', + 'property-test': '3'} + image_service.detail(context, filters).AndReturn([]) + mocker.ReplayAll() request = webob.Request.blank( '/v1.1/images/detail?status=ACTIVE&name=testname&property-test=3') - filters = images.Controller()._get_filters(request) - expected = {'status': 'ACTIVE', - 'name': 'testname', - 'property-test': '3', - } - self.assertDictMatch(expected, filters) + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.detail(request) + mocker.VerifyAll() def test_get_image_request_filters_not_supported(self): request = webob.Request.blank( -- cgit From e4bf97ba29e8e5858f37cedb34e20ccd8e210bae Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Wed, 25 May 2011 12:24:27 -0400 Subject: Updated tests to use mox pep8 --- nova/api/openstack/images.py | 2 +- nova/tests/api/openstack/test_images.py | 14 ++++++++++---- 2 files changed, 11 insertions(+), 5 deletions(-) (limited to 'nova') diff --git a/nova/api/openstack/images.py b/nova/api/openstack/images.py index 755ce8ead..553566d58 100644 --- a/nova/api/openstack/images.py +++ b/nova/api/openstack/images.py @@ -93,7 +93,7 @@ class Controller(common.OpenstackController): filters[param] = req.str_params.get(param) return filters - + def show(self, req, id): """Return detailed information about a specific image. diff --git a/nova/tests/api/openstack/test_images.py b/nova/tests/api/openstack/test_images.py index e25334732..f3f0217d6 100644 --- a/nova/tests/api/openstack/test_images.py +++ b/nova/tests/api/openstack/test_images.py @@ -726,12 +726,18 @@ class ImageControllerWithGlanceServiceTest(test.TestCase): mocker.VerifyAll() def test_get_image_request_filters_not_supported(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {'status': 'ACTIVE'} + image_service.detail(context, filters).AndReturn([]) + mocker.ReplayAll() request = webob.Request.blank( '/v1.1/images/detail?status=ACTIVE&UNSUPPORTEDFILTER=testname') - filters = images.Controller()._get_filters(request) - expected = {'status': 'ACTIVE', - } - self.assertDictMatch(expected, filters) + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.detail(request) + mocker.VerifyAll() def test_get_image_found(self): req = webob.Request.blank('/v1.0/images/123') -- cgit From c440aecaaacf3caa8683234022bc10836d232971 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Wed, 25 May 2011 17:28:10 -0400 Subject: Added params to local and base image service --- nova/image/local.py | 4 ++-- nova/image/service.py | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'nova') diff --git a/nova/image/local.py b/nova/image/local.py index 918180bae..677d5302b 100644 --- a/nova/image/local.py +++ b/nova/image/local.py @@ -63,7 +63,7 @@ class LocalImageService(service.BaseImageService): images.append(unhexed_image_id) return images - def index(self, context): + def index(self, context, *args, **kwargs): filtered = [] image_metas = self.detail(context) for image_meta in image_metas: @@ -71,7 +71,7 @@ class LocalImageService(service.BaseImageService): filtered.append(meta) return filtered - def detail(self, context): + def detail(self, context, *args, **kwargs): images = [] for image_id in self._ids(): try: diff --git a/nova/image/service.py b/nova/image/service.py index ab6749049..5361cfc89 100644 --- a/nova/image/service.py +++ b/nova/image/service.py @@ -46,7 +46,7 @@ class BaseImageService(object): # the ImageService subclass SERVICE_IMAGE_ATTRS = [] - def index(self, context): + def index(self, context, *args, **kwargs): """List images. :returns: a sequence of mappings with the following signature @@ -55,7 +55,7 @@ class BaseImageService(object): """ raise NotImplementedError - def detail(self, context): + def detail(self, context, *args, **kwargs): """Detailed information about an images. :returns: a sequence of mappings with the following signature -- cgit From 34d660128b8fa935dc1a1d5b0b22e8177135d3a8 Mon Sep 17 00:00:00 2001 From: Kei Masumoto Date: Thu, 26 May 2011 19:46:11 +0900 Subject: creating _take_action_to_instance to nova.virt.libvirt_conn.py --- nova/virt/libvirt_conn.py | 43 +++++++++++++++---------------------------- 1 file changed, 15 insertions(+), 28 deletions(-) (limited to 'nova') diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index aa5e42fc8..4e2e2292e 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -45,6 +45,7 @@ import sys import tempfile import time import uuid +import inspect from xml.dom import minidom from xml.etree import ElementTree @@ -548,53 +549,39 @@ class LibvirtConnection(driver.ComputeDriver): timer = utils.LoopingCall(_wait_for_reboot) return timer.start(interval=0.5, now=True) - @exception.wrap_exception - def pause(self, instance, callback): - """Pause VM instance""" + def _take_action_to_instance(self, action, instance, *arg): + """action VM instance""" if self.read_only: tmpconn = self._connect(self.libvirt_uri, False) dom = tmpconn.lookupByName(instance.name) - dom.suspend() + method = getattr(dom, action) + method(*arg) tmpconn.close() else: dom = self._conn.lookupByName(instance.name) - dom.suspend() + method = getattr(dom, action) + method(*arg) + + @exception.wrap_exception + def pause(self, instance, callback): + """Pause VM instance""" + self._take_action_to_instance("suspend", instance) @exception.wrap_exception def unpause(self, instance, callback): """Unpause paused VM instance""" - if self.read_only: - tmpconn = self._connect(self.libvirt_uri, False) - dom = tmpconn.lookupByName(instance.name) - dom.resume() - tmpconn.close() - else: - dom = self._conn.lookupByName(instance.name) - dom.resume() + self._take_action_to_instance("resume", instance) @exception.wrap_exception def suspend(self, instance, callback): """Suspend the specified instance""" - if self.read_only: - tmpconn = self._connect(self.libvirt_uri, False) - dom = tmpconn.lookupByName(instance.name) - dom.managedSave(0) - tmpconn.close() - else: - dom = self._conn.lookupByName(instance.name) - dom.managedSave(0) + self._take_action_to_instance("managedSave", instance, 0) @exception.wrap_exception def resume(self, instance, callback): """resume the specified instance""" try: - if self.read_only: - tmpconn = self._connect(self.libvirt_uri, False) - dom = tmpconn.lookupByName(instance.name) - tmpconn.close() - else: - dom = self._conn.lookupByName(instance.name) - dom.create() + self._take_action_to_instance("create", instance) except libvirt.LibvirtError: xml = self.to_xml(instance, None) self._create_new_domain(xml) -- cgit From ce5c7287e06cb7ce1d1a41354a5d6ea073d308d0 Mon Sep 17 00:00:00 2001 From: Kei Masumoto Date: Thu, 26 May 2011 20:31:50 +0900 Subject: remove unnecessary import inspect at nova.virt.libvirt_conn --- nova/virt/libvirt_conn.py | 1 - 1 file changed, 1 deletion(-) (limited to 'nova') diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index 4e2e2292e..f9c441505 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -45,7 +45,6 @@ import sys import tempfile import time import uuid -import inspect from xml.dom import minidom from xml.etree import ElementTree -- cgit From 87717c33ae78201a24c0f5a3416ae4b0080e4668 Mon Sep 17 00:00:00 2001 From: Kei Masumoto Date: Thu, 26 May 2011 20:49:14 +0900 Subject: replace double quatation to single quatation at nova.virt.libvirt_conn --- nova/virt/libvirt_conn.py | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'nova') diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index f9c441505..8c9a3550a 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -564,23 +564,23 @@ class LibvirtConnection(driver.ComputeDriver): @exception.wrap_exception def pause(self, instance, callback): """Pause VM instance""" - self._take_action_to_instance("suspend", instance) + self._take_action_to_instance('suspend', instance) @exception.wrap_exception def unpause(self, instance, callback): """Unpause paused VM instance""" - self._take_action_to_instance("resume", instance) + self._take_action_to_instance('resume', instance) @exception.wrap_exception def suspend(self, instance, callback): """Suspend the specified instance""" - self._take_action_to_instance("managedSave", instance, 0) + self._take_action_to_instance('managedSave', instance, 0) @exception.wrap_exception def resume(self, instance, callback): """resume the specified instance""" try: - self._take_action_to_instance("create", instance) + self._take_action_to_instance('create', instance) except libvirt.LibvirtError: xml = self.to_xml(instance, None) self._create_new_domain(xml) -- cgit From f37d94428dd0b56632958d5d3a6930531a51cd44 Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Thu, 26 May 2011 10:54:46 -0400 Subject: Restricted image filtering by name and status only --- nova/api/openstack/images.py | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'nova') diff --git a/nova/api/openstack/images.py b/nova/api/openstack/images.py index 553566d58..2e779da79 100644 --- a/nova/api/openstack/images.py +++ b/nova/api/openstack/images.py @@ -28,8 +28,7 @@ from nova.api.openstack.views import images as images_view LOG = log.getLogger('nova.api.openstack.images') FLAGS = flags.FLAGS -SUPPORTED_FILTERS = ['name', 'status', 'container_format', 'disk_format', - 'size_min', 'size_max'] +SUPPORTED_FILTERS = ['name', 'status'] class Controller(common.OpenstackController): -- cgit From b9b16ca71d4bbb9782482bdf5d848bb5b787732f Mon Sep 17 00:00:00 2001 From: Alex Meade Date: Thu, 26 May 2011 13:59:25 -0400 Subject: Expanded tests --- nova/tests/api/openstack/test_images.py | 122 ++++++++++++++++++++++++++++++-- 1 file changed, 116 insertions(+), 6 deletions(-) (limited to 'nova') diff --git a/nova/tests/api/openstack/test_images.py b/nova/tests/api/openstack/test_images.py index f3f0217d6..9f1f28611 100644 --- a/nova/tests/api/openstack/test_images.py +++ b/nova/tests/api/openstack/test_images.py @@ -709,23 +709,119 @@ class ImageControllerWithGlanceServiceTest(test.TestCase): self.assertDictListMatch(expected, response_list) - def test_get_image_request_filters(self): + def test_image_filter_with_name(self): mocker = mox.Mox() image_service = mocker.CreateMockAnything() context = object() - filters = {'status': 'ACTIVE', - 'name': 'testname', - 'property-test': '3'} + filters = {'name': 'testname'} + image_service.index(context, filters).AndReturn([]) + mocker.ReplayAll() + request = webob.Request.blank( + '/v1.1/images?name=testname') + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.index(request) + mocker.VerifyAll() + + def test_image_filter_with_status(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {'status': 'ACTIVE'} + image_service.index(context, filters).AndReturn([]) + mocker.ReplayAll() + request = webob.Request.blank( + '/v1.1/images?status=ACTIVE') + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.index(request) + mocker.VerifyAll() + + def test_image_filter_with_property(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {'property-test': '3'} + image_service.index(context, filters).AndReturn([]) + mocker.ReplayAll() + request = webob.Request.blank( + '/v1.1/images?property-test=3') + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.index(request) + mocker.VerifyAll() + + def test_image_filter_not_supported(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {'status': 'ACTIVE'} + image_service.index(context, filters).AndReturn([]) + mocker.ReplayAll() + request = webob.Request.blank( + '/v1.1/images?status=ACTIVE&UNSUPPORTEDFILTER=testname') + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.index(request) + mocker.VerifyAll() + + def test_image_no_filters(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {} + image_service.index(context, filters).AndReturn([]) + mocker.ReplayAll() + request = webob.Request.blank( + '/v1.1/images') + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.index(request) + mocker.VerifyAll() + + def test_image_detail_filter_with_name(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {'name': 'testname'} + image_service.detail(context, filters).AndReturn([]) + mocker.ReplayAll() + request = webob.Request.blank( + '/v1.1/images/detail?name=testname') + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.detail(request) + mocker.VerifyAll() + + def test_image_detail_filter_with_status(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {'status': 'ACTIVE'} + image_service.detail(context, filters).AndReturn([]) + mocker.ReplayAll() + request = webob.Request.blank( + '/v1.1/images/detail?status=ACTIVE') + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.detail(request) + mocker.VerifyAll() + + def test_image_detail_filter_with_property(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {'property-test': '3'} image_service.detail(context, filters).AndReturn([]) mocker.ReplayAll() request = webob.Request.blank( - '/v1.1/images/detail?status=ACTIVE&name=testname&property-test=3') + '/v1.1/images/detail?property-test=3') request.environ['nova.context'] = context controller = images.ControllerV11(image_service=image_service) controller.detail(request) mocker.VerifyAll() - def test_get_image_request_filters_not_supported(self): + def test_image_detail_filter_not_supported(self): mocker = mox.Mox() image_service = mocker.CreateMockAnything() context = object() @@ -739,6 +835,20 @@ class ImageControllerWithGlanceServiceTest(test.TestCase): controller.detail(request) mocker.VerifyAll() + def test_image_detail_no_filters(self): + mocker = mox.Mox() + image_service = mocker.CreateMockAnything() + context = object() + filters = {} + image_service.detail(context, filters).AndReturn([]) + mocker.ReplayAll() + request = webob.Request.blank( + '/v1.1/images/detail') + request.environ['nova.context'] = context + controller = images.ControllerV11(image_service=image_service) + controller.detail(request) + mocker.VerifyAll() + def test_get_image_found(self): req = webob.Request.blank('/v1.0/images/123') res = req.get_response(fakes.wsgi_app()) -- cgit From c229d6e32f5275b2eb10e760f89a52dc31635c47 Mon Sep 17 00:00:00 2001 From: MORITA Kazutaka Date: Fri, 27 May 2011 14:13:17 +0900 Subject: Fix pep8 errors. --- nova/api/ec2/cloud.py | 7 ++++--- nova/tests/test_volume.py | 10 ++++++---- nova/volume/api.py | 3 ++- nova/volume/driver.py | 4 ++-- nova/volume/manager.py | 5 +++-- 5 files changed, 17 insertions(+), 12 deletions(-) (limited to 'nova') diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py index b717a10c0..79cc3b3bf 100644 --- a/nova/api/ec2/cloud.py +++ b/nova/api/ec2/cloud.py @@ -666,14 +666,15 @@ class CloudController(object): return v def create_volume(self, context, **kwargs): - size = kwargs.get('size'); + size = kwargs.get('size') if kwargs.get('snapshot_id') != None: snapshot_id = ec2utils.ec2_id_to_id(kwargs['snapshot_id']) - LOG.audit(_("Create volume from snapshot %s"), snapshot_id, context=context) + LOG.audit(_("Create volume from snapshot %s"), snapshot_id, + context=context) else: snapshot_id = None LOG.audit(_("Create volume of %s GB"), size, context=context) - + volume = self.volume_api.create( context, size=size, diff --git a/nova/tests/test_volume.py b/nova/tests/test_volume.py index 8d58b3135..4f10ee6af 100644 --- a/nova/tests/test_volume.py +++ b/nova/tests/test_volume.py @@ -78,10 +78,12 @@ class VolumeTestCase(test.TestCase): self.volume.create_snapshot(self.context, volume_src_id, snapshot_id) volume_dst_id = self._create_volume(0, snapshot_id) self.volume.create_volume(self.context, volume_dst_id, snapshot_id) - self.assertEqual(volume_dst_id, db.volume_get(context.get_admin_context(), - volume_dst_id).id) - self.assertEqual(snapshot_id, db.volume_get(context.get_admin_context(), - volume_dst_id).snapshot_id) + self.assertEqual(volume_dst_id, db.volume_get( + context.get_admin_context(), + volume_dst_id).id) + self.assertEqual(snapshot_id, db.volume_get( + context.get_admin_context(), + volume_dst_id).snapshot_id) self.volume.delete_volume(self.context, volume_dst_id) self.volume.delete_snapshot(self.context, snapshot_id) diff --git a/nova/volume/api.py b/nova/volume/api.py index 7fa80383b..5804955f7 100644 --- a/nova/volume/api.py +++ b/nova/volume/api.py @@ -43,7 +43,8 @@ class API(base.Base): if snapshot_id != None: snapshot = self.get_snapshot(context, snapshot_id) if snapshot['status'] != "available": - raise exception.ApiError(_("Snapshot status must be available")) + raise exception.ApiError( + _("Snapshot status must be available")) size = snapshot['volume_size'] if quota.allowed_volumes(context, 1, size) < 1: diff --git a/nova/volume/driver.py b/nova/volume/driver.py index df9767a79..87e13277f 100644 --- a/nova/volume/driver.py +++ b/nova/volume/driver.py @@ -674,10 +674,10 @@ class SheepdogDriver(VolumeDriver): def create_volume_from_snapshot(self, volume, snapshot): """Creates a sheepdog volume from a snapshot.""" self._try_execute('qemu-img', 'create', '-b', - "sheepdog:%s:%s" % (snapshot['volume_name'], snapshot['name']), + "sheepdog:%s:%s" % (snapshot['volume_name'], + snapshot['name']), "sheepdog:%s" % volume['name']) - def delete_volume(self, volume): """Deletes a logical volume""" self._try_execute('collie', 'vdi', 'delete', volume['name']) diff --git a/nova/volume/manager.py b/nova/volume/manager.py index 673771aa7..ff53f0701 100644 --- a/nova/volume/manager.py +++ b/nova/volume/manager.py @@ -112,8 +112,9 @@ class VolumeManager(manager.SchedulerDependentManager): model_update = self.driver.create_volume(volume_ref) else: snapshot_ref = self.db.snapshot_get(context, snapshot_id) - model_update = self.driver.create_volume_from_snapshot(volume_ref, - snapshot_ref) + model_update = self.driver.create_volume_from_snapshot( + volume_ref, + snapshot_ref) if model_update: self.db.volume_update(context, volume_ref['id'], model_update) -- cgit From ca5a91b3fe6eaa1c2d2b85cb5a11d2bb36e7a436 Mon Sep 17 00:00:00 2001 From: Kei Masumoto Date: Fri, 27 May 2011 15:14:16 +0900 Subject: fixed read_only check --- nova/virt/libvirt_conn.py | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'nova') diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index 8c9a3550a..7982611fa 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -564,23 +564,27 @@ class LibvirtConnection(driver.ComputeDriver): @exception.wrap_exception def pause(self, instance, callback): """Pause VM instance""" - self._take_action_to_instance('suspend', instance) + dom = self._lookup_by_name(instance.name) + dom.suspend() @exception.wrap_exception def unpause(self, instance, callback): """Unpause paused VM instance""" - self._take_action_to_instance('resume', instance) + dom = self._lookup_by_name(instance.name) + dom.resume() @exception.wrap_exception def suspend(self, instance, callback): """Suspend the specified instance""" - self._take_action_to_instance('managedSave', instance, 0) + dom = self._lookup_by_name(instance.name) + dom.managedSave(0) @exception.wrap_exception def resume(self, instance, callback): """resume the specified instance""" try: - self._take_action_to_instance('create', instance) + dom = self._lookup_by_name(instance.name) + dom.create() except libvirt.LibvirtError: xml = self.to_xml(instance, None) self._create_new_domain(xml) -- cgit From 34bd57c380c348fa9c60cf6b3371352da6e8853c Mon Sep 17 00:00:00 2001 From: Kei Masumoto Date: Fri, 27 May 2011 16:03:56 +0900 Subject: remove _take_action_to_instance --- nova/virt/libvirt_conn.py | 13 ------------- 1 file changed, 13 deletions(-) (limited to 'nova') diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index 7982611fa..47a77b3ae 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -548,19 +548,6 @@ class LibvirtConnection(driver.ComputeDriver): timer = utils.LoopingCall(_wait_for_reboot) return timer.start(interval=0.5, now=True) - def _take_action_to_instance(self, action, instance, *arg): - """action VM instance""" - if self.read_only: - tmpconn = self._connect(self.libvirt_uri, False) - dom = tmpconn.lookupByName(instance.name) - method = getattr(dom, action) - method(*arg) - tmpconn.close() - else: - dom = self._conn.lookupByName(instance.name) - method = getattr(dom, action) - method(*arg) - @exception.wrap_exception def pause(self, instance, callback): """Pause VM instance""" -- cgit From a9278909cbb6d5ea9283231dbd6efc67b812abff Mon Sep 17 00:00:00 2001 From: Dan Prince Date: Sat, 28 May 2011 23:10:42 -0400 Subject: Update the rebuild_instance function in the compute manager so that it accepts the arguments that our current compute API sends. --- nova/compute/manager.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'nova') diff --git a/nova/compute/manager.py b/nova/compute/manager.py index d1e01f275..3897b3a9e 100644 --- a/nova/compute/manager.py +++ b/nova/compute/manager.py @@ -331,7 +331,7 @@ class ComputeManager(manager.SchedulerDependentManager): @exception.wrap_exception @checks_instance_lock - def rebuild_instance(self, context, instance_id, image_id): + def rebuild_instance(self, context, instance_id, **kwargs): """Destroy and re-make this instance. A 'rebuild' effectively purges all existing data from the system and @@ -349,7 +349,8 @@ class ComputeManager(manager.SchedulerDependentManager): self._update_state(context, instance_id, power_state.BUILDING) self.driver.destroy(instance_ref) - instance_ref.image_id = image_id + instance_ref.image_id = kwargs.get('image_id') + instance_ref.injected_files = kwargs.get('injected_files', []) self.driver.spawn(instance_ref) self._update_image_id(context, instance_id, image_id) -- cgit From ccf522daaca0d4136c072c1905dd9fbaa1dfb2e9 Mon Sep 17 00:00:00 2001 From: Dan Prince Date: Sat, 28 May 2011 23:12:07 -0400 Subject: Fixes to the SQLAlchmeny API such that metadata is saved on an instance_update. Added integration test to test that instance metadata is updated on a rebuild. --- nova/db/sqlalchemy/api.py | 22 +++++++++++++--------- nova/tests/integrated/api/client.py | 10 ++++++++-- nova/tests/integrated/test_servers.py | 34 ++++++++++++++++++++++++++++++++++ 3 files changed, 55 insertions(+), 11 deletions(-) (limited to 'nova') diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py index e4dda5c12..1a7cae6e9 100644 --- a/nova/db/sqlalchemy/api.py +++ b/nova/db/sqlalchemy/api.py @@ -771,6 +771,15 @@ def fixed_ip_update(context, address, values): ################### +def _metadata_refs(metadata_dict): + metadata_refs = [] + if metadata_dict: + for k, v in metadata_dict.iteritems(): + metadata_ref = models.InstanceMetadata() + metadata_ref['key'] = k + metadata_ref['value'] = v + metadata_refs.append(metadata_ref) + return metadata_refs @require_context @@ -780,15 +789,7 @@ def instance_create(context, values): context - request context object values - dict containing column values. """ - metadata = values.get('metadata') - metadata_refs = [] - if metadata: - for k, v in metadata.iteritems(): - metadata_ref = models.InstanceMetadata() - metadata_ref['key'] = k - metadata_ref['value'] = v - metadata_refs.append(metadata_ref) - values['metadata'] = metadata_refs + values['metadata'] = _metadata_refs(values.get('metadata')) instance_ref = models.Instance() instance_ref.update(values) @@ -1010,6 +1011,9 @@ def instance_set_state(context, instance_id, state, description=None): @require_context def instance_update(context, instance_id, values): session = get_session() + metadata = values.get('metadata') + if metadata: + values['metadata'] = _metadata_refs(values.get('metadata')) with session.begin(): instance_ref = instance_get(context, instance_id, session=session) instance_ref.update(values) diff --git a/nova/tests/integrated/api/client.py b/nova/tests/integrated/api/client.py index 7e20c9b00..eb9a3056e 100644 --- a/nova/tests/integrated/api/client.py +++ b/nova/tests/integrated/api/client.py @@ -152,7 +152,10 @@ class TestOpenStackClient(object): def _decode_json(self, response): body = response.read() LOG.debug(_("Decoding JSON: %s") % (body)) - return json.loads(body) + if body: + return json.loads(body) + else: + return "" def api_get(self, relative_uri, **kwargs): kwargs.setdefault('check_response_status', [200]) @@ -166,7 +169,7 @@ class TestOpenStackClient(object): headers['Content-Type'] = 'application/json' kwargs['body'] = json.dumps(body) - kwargs.setdefault('check_response_status', [200]) + kwargs.setdefault('check_response_status', [200, 202]) response = self.api_request(relative_uri, **kwargs) return self._decode_json(response) @@ -185,6 +188,9 @@ class TestOpenStackClient(object): def post_server(self, server): return self.api_post('/servers', server)['server'] + def post_server_action(self, server_id, data): + return self.api_post('/servers/%s/action' % server_id, data) + def delete_server(self, server_id): return self.api_delete('/servers/%s' % server_id) diff --git a/nova/tests/integrated/test_servers.py b/nova/tests/integrated/test_servers.py index e89d0100a..604faf59f 100644 --- a/nova/tests/integrated/test_servers.py +++ b/nova/tests/integrated/test_servers.py @@ -179,6 +179,40 @@ class ServersTest(integrated_helpers._IntegratedTestBase): # Cleanup self._delete_server(created_server_id) + def test_create_and_rebuild_server_with_metadata(self): + """Rebuild a server with metadata.""" + + # create a server with initially has no metadata + server = self._build_minimal_create_server_request() + server_post = {'server': server} + created_server = self.api.post_server(server_post) + LOG.debug("created_server: %s" % created_server) + self.assertTrue(created_server['id']) + created_server_id = created_server['id'] + + # rebuild the server with metadata + post = {} + post['rebuild'] = { + "imageRef": "https://localhost/v1.1/32278/images/2", + "name": "blah" + } + + metadata = {} + for i in range(30): + metadata['key_%s' % i] = 'value_%s' % i + + post['rebuild']['metadata'] = metadata + + self.api.post_server_action(created_server_id, post) + LOG.debug("rebuilt server: %s" % created_server) + self.assertTrue(created_server['id']) + + found_server = self.api.get_server(created_server_id) + self.assertEqual(created_server_id, found_server['id']) + self.assertEqual(metadata, found_server.get('metadata')) + + # Cleanup + self._delete_server(created_server_id) if __name__ == "__main__": unittest.main() -- cgit From 833481d796db557dddde6b4b9e75b7cf518b88fa Mon Sep 17 00:00:00 2001 From: Dan Prince Date: Sun, 29 May 2011 07:51:44 -0400 Subject: Use metadata variable when calling _metadata_refs. --- nova/db/sqlalchemy/api.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'nova') diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py index 1a7cae6e9..a678ebedd 100644 --- a/nova/db/sqlalchemy/api.py +++ b/nova/db/sqlalchemy/api.py @@ -1013,7 +1013,7 @@ def instance_update(context, instance_id, values): session = get_session() metadata = values.get('metadata') if metadata: - values['metadata'] = _metadata_refs(values.get('metadata')) + values['metadata'] = _metadata_refs(metadata) with session.begin(): instance_ref = instance_get(context, instance_id, session=session) instance_ref.update(values) -- cgit From 45818393a20a56d5e0aab23f3c78e430e0c1167a Mon Sep 17 00:00:00 2001 From: Kei Masumoto Date: Mon, 30 May 2011 14:17:00 +0900 Subject: fixed nova.virt.libvirt_conn.resume() method - removing try-catch --- nova/virt/libvirt_conn.py | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'nova') diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py index 47a77b3ae..32f374955 100644 --- a/nova/virt/libvirt_conn.py +++ b/nova/virt/libvirt_conn.py @@ -569,12 +569,8 @@ class LibvirtConnection(driver.ComputeDriver): @exception.wrap_exception def resume(self, instance, callback): """resume the specified instance""" - try: - dom = self._lookup_by_name(instance.name) - dom.create() - except libvirt.LibvirtError: - xml = self.to_xml(instance, None) - self._create_new_domain(xml) + dom = self._lookup_by_name(instance.name) + dom.create() @exception.wrap_exception def rescue(self, instance): -- cgit From 2155f2b1ab22c6183ab5266e16a675f1469fca50 Mon Sep 17 00:00:00 2001 From: Dan Prince Date: Mon, 30 May 2011 11:29:55 -0400 Subject: Updates so that 'name' can be updated when doing a OS API v1.1 rebuild. Fixed issue where metadata wasn't getting deleted when an empty dict was POST'd on a rebuild. --- nova/api/openstack/servers.py | 10 +++-- nova/compute/api.py | 13 ++++--- nova/db/sqlalchemy/api.py | 17 +++++++-- nova/tests/integrated/test_servers.py | 72 +++++++++++++++++++++++++++++++++++ 4 files changed, 100 insertions(+), 12 deletions(-) (limited to 'nova') diff --git a/nova/api/openstack/servers.py b/nova/api/openstack/servers.py index 5c10fc916..8e191c232 100644 --- a/nova/api/openstack/servers.py +++ b/nova/api/openstack/servers.py @@ -708,14 +708,16 @@ class ControllerV11(Controller): image_id = common.get_id_from_href(image_ref) personalities = info["rebuild"].get("personality", []) - metadata = info["rebuild"].get("metadata", {}) + metadata = info["rebuild"].get("metadata") + name = info["rebuild"].get("name") - self._validate_metadata(metadata) + if metadata: + self._validate_metadata(metadata) self._decode_personalities(personalities) try: - self.compute_api.rebuild(context, instance_id, image_id, metadata, - personalities) + self.compute_api.rebuild(context, instance_id, image_id, name, + metadata, personalities) except exception.BuildInProgress: msg = _("Instance %d is currently being rebuilt.") % instance_id LOG.debug(msg) diff --git a/nova/compute/api.py b/nova/compute/api.py index 4f2363387..151679521 100644 --- a/nova/compute/api.py +++ b/nova/compute/api.py @@ -530,7 +530,7 @@ class API(base.Base): """Reboot the given instance.""" self._cast_compute_message('reboot_instance', context, instance_id) - def rebuild(self, context, instance_id, image_id, metadata=None, + def rebuild(self, context, instance_id, image_id, name=None, metadata=None, files_to_inject=None): """Rebuild the given instance with the provided metadata.""" instance = db.api.instance_get(context, instance_id) @@ -539,13 +539,16 @@ class API(base.Base): msg = _("Instance already building") raise exception.BuildInProgress(msg) - metadata = metadata or {} - self._check_metadata_properties_quota(context, metadata) - files_to_inject = files_to_inject or [] self._check_injected_file_quota(context, files_to_inject) - self.db.instance_update(context, instance_id, {"metadata": metadata}) + values = {} + if metadata is not None: + self._check_metadata_properties_quota(context, metadata) + values['metadata'] = metadata + if name is not None: + values['display_name'] = name + self.db.instance_update(context, instance_id, values) rebuild_params = { "image_id": image_id, diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py index a678ebedd..ea84e96e7 100644 --- a/nova/db/sqlalchemy/api.py +++ b/nova/db/sqlalchemy/api.py @@ -1012,8 +1012,9 @@ def instance_set_state(context, instance_id, state, description=None): def instance_update(context, instance_id, values): session = get_session() metadata = values.get('metadata') - if metadata: - values['metadata'] = _metadata_refs(metadata) + if metadata is not None: + instance_metadata_update_or_create(context, instance_id, + values.pop('metadata'), True) with session.begin(): instance_ref = instance_get(context, instance_id, session=session) instance_ref.update(values) @@ -2570,8 +2571,12 @@ def instance_metadata_get_item(context, instance_id, key): @require_context -def instance_metadata_update_or_create(context, instance_id, metadata): +def instance_metadata_update_or_create(context, instance_id, metadata, + purge=False): session = get_session() + + original_metadata = instance_metadata_get(context, instance_id) + meta_ref = None for key, value in metadata.iteritems(): try: @@ -2583,4 +2588,10 @@ def instance_metadata_update_or_create(context, instance_id, metadata): "instance_id": instance_id, "deleted": 0}) meta_ref.save(session=session) + + if purge: + for key in original_metadata.keys(): + if not key in metadata.keys(): + instance_metadata_delete(context, instance_id, key) + return metadata diff --git a/nova/tests/integrated/test_servers.py b/nova/tests/integrated/test_servers.py index 604faf59f..a67fa1bb5 100644 --- a/nova/tests/integrated/test_servers.py +++ b/nova/tests/integrated/test_servers.py @@ -179,6 +179,36 @@ class ServersTest(integrated_helpers._IntegratedTestBase): # Cleanup self._delete_server(created_server_id) + def test_create_and_rebuild_server(self): + """Rebuild a server.""" + + # create a server with initially has no metadata + server = self._build_minimal_create_server_request() + server_post = {'server': server} + created_server = self.api.post_server(server_post) + LOG.debug("created_server: %s" % created_server) + self.assertTrue(created_server['id']) + created_server_id = created_server['id'] + + # rebuild the server with metadata + post = {} + post['rebuild'] = { + "imageRef": "https://localhost/v1.1/32278/images/2", + "name": "blah" + } + + self.api.post_server_action(created_server_id, post) + LOG.debug("rebuilt server: %s" % created_server) + self.assertTrue(created_server['id']) + + found_server = self.api.get_server(created_server_id) + self.assertEqual(created_server_id, found_server['id']) + self.assertEqual({}, found_server.get('metadata')) + self.assertEqual('blah', found_server.get('name')) + + # Cleanup + self._delete_server(created_server_id) + def test_create_and_rebuild_server_with_metadata(self): """Rebuild a server with metadata.""" @@ -210,9 +240,51 @@ class ServersTest(integrated_helpers._IntegratedTestBase): found_server = self.api.get_server(created_server_id) self.assertEqual(created_server_id, found_server['id']) self.assertEqual(metadata, found_server.get('metadata')) + self.assertEqual('blah', found_server.get('name')) + + # Cleanup + self._delete_server(created_server_id) + + def test_create_and_rebuild_server_with_metadata_removal(self): + """Rebuild a server with metadata.""" + + # create a server with initially has no metadata + server = self._build_minimal_create_server_request() + server_post = {'server': server} + + metadata = {} + for i in range(30): + metadata['key_%s' % i] = 'value_%s' % i + + server_post['server']['metadata'] = metadata + + created_server = self.api.post_server(server_post) + LOG.debug("created_server: %s" % created_server) + self.assertTrue(created_server['id']) + created_server_id = created_server['id'] + + # rebuild the server with metadata + post = {} + post['rebuild'] = { + "imageRef": "https://localhost/v1.1/32278/images/2", + "name": "blah" + } + + metadata = {} + post['rebuild']['metadata'] = metadata + + self.api.post_server_action(created_server_id, post) + LOG.debug("rebuilt server: %s" % created_server) + self.assertTrue(created_server['id']) + + found_server = self.api.get_server(created_server_id) + self.assertEqual(created_server_id, found_server['id']) + self.assertEqual(metadata, found_server.get('metadata')) + self.assertEqual('blah', found_server.get('name')) # Cleanup self._delete_server(created_server_id) + if __name__ == "__main__": unittest.main() -- cgit From be9113bc5c08cbafb7af9f83bd61f318d1ba6145 Mon Sep 17 00:00:00 2001 From: "Vivek YS vivek.ys@gmail.com" <> Date: Tue, 31 May 2011 09:49:06 +0530 Subject: Fixed the typo of APIError with ApiError --- nova/virt/vmwareapi/vmops.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'nova') diff --git a/nova/virt/vmwareapi/vmops.py b/nova/virt/vmwareapi/vmops.py index c3e79a92f..6d7149841 100644 --- a/nova/virt/vmwareapi/vmops.py +++ b/nova/virt/vmwareapi/vmops.py @@ -590,11 +590,11 @@ class VMWareVMOps(object): def pause(self, instance, callback): """Pause a VM instance.""" - raise exception.APIError("pause not supported for vmwareapi") + raise exception.ApiError("pause not supported for vmwareapi") def unpause(self, instance, callback): """Un-Pause a VM instance.""" - raise exception.APIError("unpause not supported for vmwareapi") + raise exception.ApiError("unpause not supported for vmwareapi") def suspend(self, instance, callback): """Suspend the specified instance.""" @@ -673,7 +673,7 @@ class VMWareVMOps(object): def get_diagnostics(self, instance): """Return data about VM diagnostics.""" - raise exception.APIError("get_diagnostics not implemented for " + raise exception.ApiError("get_diagnostics not implemented for " "vmwareapi") def get_console_output(self, instance): -- cgit From 7beafb1aafac97e6dfc28108062785465cc8f577 Mon Sep 17 00:00:00 2001 From: Dan Prince Date: Tue, 31 May 2011 14:38:12 -0400 Subject: Use a new instance_metadata_delete_all DB api call to delete existing metadata when updating a server. --- nova/db/sqlalchemy/api.py | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) (limited to 'nova') diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py index ea84e96e7..8df96cbf4 100644 --- a/nova/db/sqlalchemy/api.py +++ b/nova/db/sqlalchemy/api.py @@ -1013,8 +1013,9 @@ def instance_update(context, instance_id, values): session = get_session() metadata = values.get('metadata') if metadata is not None: + instance_metadata_delete_all(context, instance_id) instance_metadata_update_or_create(context, instance_id, - values.pop('metadata'), True) + values.pop('metadata')) with session.begin(): instance_ref = instance_get(context, instance_id, session=session) instance_ref.update(values) @@ -2554,6 +2555,17 @@ def instance_metadata_delete(context, instance_id, key): 'updated_at': literal_column('updated_at')}) +@require_context +def instance_metadata_delete_all(context, instance_id): + session = get_session() + session.query(models.InstanceMetadata).\ + filter_by(instance_id=instance_id).\ + filter_by(deleted=False).\ + update({'deleted': True, + 'deleted_at': datetime.datetime.utcnow(), + 'updated_at': literal_column('updated_at')}) + + @require_context def instance_metadata_get_item(context, instance_id, key): session = get_session() @@ -2571,8 +2583,7 @@ def instance_metadata_get_item(context, instance_id, key): @require_context -def instance_metadata_update_or_create(context, instance_id, metadata, - purge=False): +def instance_metadata_update_or_create(context, instance_id, metadata): session = get_session() original_metadata = instance_metadata_get(context, instance_id) @@ -2589,9 +2600,4 @@ def instance_metadata_update_or_create(context, instance_id, metadata, "deleted": 0}) meta_ref.save(session=session) - if purge: - for key in original_metadata.keys(): - if not key in metadata.keys(): - instance_metadata_delete(context, instance_id, key) - return metadata -- cgit