O052、Create Volume 操作（Part III）

参考https://www.cnblogs.com/CloudMan6/p/5617980.html

Jun 20 17:15:56 DevStack-Rocky-Compute-22 cinder-volume: DEBUG cinder.volume.flows.manager.create_volume None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Volume reschedule parameters: True retry: {u'num_attempts': 1, u'backends': [u'DevStack-Rocky-Compute-22@lvmdriver-1#lvmdriver-1'], u'hosts': [u'DevStack-Rocky-Compute-22@lvmdriver-1#lvmdriver-1']} {{(pid=27933) get_flow /opt/stack/cinder/cinder/volume/flows/manager/create_volume.py:1171}}

Jun 20 17:15:56 DevStack-Rocky-Compute-22 cinder-volume: DEBUG oslo_db.sqlalchemy.engines None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] MySQL server mode set to STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION {{(pid=27933) _check_effective_sql_mode /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/engines.py:308}}

Jun 20 17:15:56 DevStack-Rocky-Compute-22 cinder-volume: INFO cinder.rpc None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Automatically selected cinder-backup objects version 1.37 as minimum service version.

Jun 20 17:15:56 DevStack-Rocky-Compute-22 cinder-volume: WARNING castellan.key_manager.migration None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None Using MigrationKeyManager to provide support for legacy fixed_key encryption

1、cinder-volume 也会创建一个工作流 volume_create_manager

Jun 20 17:15:56 DevStack-Rocky-Compute-22 cinder-volume: DEBUG cinder.volume.manager None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Flow 'volume_create_manager' (cb48bde8-986d-4f74-8b2f-91d2ca89bd52) transitioned into state 'RUNNING' from state 'PENDING' {{(pid=27933) _flow_receiver /usr/lib/python2.7/site-packages/taskflow/listeners/logging.py:145}}

2、ExtractVolumeRefTask

Jun 20 17:15:56 DevStack-Rocky-Compute-22 cinder-volume: DEBUG cinder.volume.manager None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Task 'cinder.volume.flows.manager.create_volume.ExtractVolumeRefTask;volume:create' (e2fd4a9b-3f94-41b5-bdc8-757aa314cf19) transitioned into state 'SUCCESS' from state 'RUNNING' with result 'Volume(_name_id=None,admin_metadata={},attach_status='detached',availability_zone='nova',bootable=False,cluster=<?>,cluster_name=None,consistencygroup=<?>,consistencygroup_id=None,created_at=2019-06-20T09:15:56Z,deleted=False,deleted_at=None,display_description='',display_name='vol-1',ec2_id=None,encryption_key_id=None,glance_metadata=<?>,group=<?>,group_id=None,host='DevStack-Rocky-Compute-22@lvmdriver-1#lvmdriver-1',id=fe3d0886-6dfb-4cc6-898a-72e902fba912,launched_at=None,metadata={},migration_status=None,multiattach=False,previous_status=None,project_id='9ed27f1df9814f91b370d1003b066b0a',provider_auth=None,provider_geometry=None,provider_id=None,provider_location=None,replication_driver_data=None,replication_extended_status=None,replication_status=None,scheduled_at=2019-06-20T09:15:56Z,service_uuid=None,shared_targets=True,size=1,snapshot_id=None,snapshots=<?>,source_volid=None,status='creating',terminated_at=None,updated_at=2019-06-20T09:15:56Z,user_id='0acd431e550c4309be26a1c52e684605',volume_attachment=<?>,volume_type=VolumeType(22bc1956-6fd6-4142-b72a-4ab6a487944a),volume_type_id=22bc1956-6fd6-4142-b72a-4ab6a487944a)' {{(pid=27933) _task_receiver /usr/lib/python2.7/site-packages/taskflow/listeners/logging.py:183}}

3、OnFailureRescheduleTask

4、ExtractVolumeSpecTask

5、NotifyVolumeActionTask

6、CreateVolumeFromSpecTask：执行创建动作

Jun 20 17:15:56 DevStack-Rocky-Compute-22 cinder-volume: INFO cinder.volume.flows.manager.create_volume None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Volume fe3d0886-6dfb-4cc6-898a-72e902fba912: being created as raw with specification: {'status': u'creating', 'volume_size': 1, 'volume_name': u'volume-fe3d0886-6dfb-4cc6-898a-72e902fba912'}

Jun 20 17:15:56 DevStack-Rocky-Compute-22 cinder-volume: DEBUG oslo_concurrency.processutils None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Running cmd (subprocess): sudo cinder-rootwrap /etc/cinder/rootwrap.conf env LC_ALL=C lvcreate -T -V 1g -n volume-fe3d0886-6dfb-4cc6-898a-72e902fba912 stack-volumes-lvmdriver-1/stack-volumes-lvmdriver-1-pool {{(pid=27933) execute /usr/lib/python2.7/site-packages/oslo_concurrency/processutils.py:372}}

Jun 20 17:15:57 DevStack-Rocky-Compute-22 cinder-volume: DEBUG oslo_concurrency.processutils None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] CMD "sudo cinder-rootwrap /etc/cinder/rootwrap.conf env LC_ALL=C lvcreate -T -V 1g -n volume-fe3d0886-6dfb-4cc6-898a-72e902fba912 stack-volumes-lvmdriver-1/stack-volumes-lvmdriver-1-pool" returned: 0 in 0.538s {{(pid=27933) execute /usr/lib/python2.7/site-packages/oslo_concurrency/processutils.py:409}}

Jun 20 17:15:57 DevStack-Rocky-Compute-22 cinder-volume: DEBUG cinder.volume.manager None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Task 'cinder.volume.flows.manager.create_volume.CreateVolumeFromSpecTask;volume:create' (0e58da85-aea8-4126-a69e-677172fad9e0) transitioned into state 'SUCCESS' from state 'RUNNING' with result '{'status': u'creating', 'volume_size': 1, 'volume_name': u'volume-fe3d0886-6dfb-4cc6-898a-72e902fba912'}' {{(pid=27933) _task_receiver /usr/lib/python2.7/site-packages/taskflow/listeners/logging.py:183}}

7、CreateVolumeOnFinishTask：收尾工作

Jun 20 17:15:57 DevStack-Rocky-Compute-22 cinder-volume: DEBUG cinder.volume.manager None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Task 'cinder.volume.flows.manager.create_volume.CreateVolumeOnFinishTask;volume:create, create.end' (1b01b714-531c-48d7-9f62-8f13ce1d5413) transitioned into state 'RUNNING' from state 'PENDING' {{(pid=27933) _task_receiver /usr/lib/python2.7/site-packages/taskflow/listeners/logging.py:194}}

Jun 20 17:15:57 DevStack-Rocky-Compute-22 cinder-volume: INFO cinder.volume.flows.manager.create_volume None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Volume volume-fe3d0886-6dfb-4cc6-898a-72e902fba912 (fe3d0886-6dfb-4cc6-898a-72e902fba912): created successfully

Jun 20 17:15:57 DevStack-Rocky-Compute-22 cinder-volume: DEBUG cinder.volume.manager None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Task 'cinder.volume.flows.manager.create_volume.CreateVolumeOnFinishTask;volume:create, create.end' (1b01b714-531c-48d7-9f62-8f13ce1d5413) transitioned into state 'SUCCESS' from state 'RUNNING' with result 'None' {{(pid=27933) _task_receiver /usr/lib/python2.7/site-packages/taskflow/listeners/logging.py:183}}

8、volume_create_manager工作流完成

Jun 20 17:15:57 DevStack-Rocky-Compute-22 cinder-volume: DEBUG cinder.volume.manager None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Flow 'volume_create_manager' (cb48bde8-986d-4f74-8b2f-91d2ca89bd52) transitioned into state 'SUCCESS' from state 'RUNNING' {{(pid=27933) _flow_receiver /usr/lib/python2.7/site-packages/taskflow/listeners/logging.py:145}}

Jun 20 17:15:57 DevStack-Rocky-Compute-22 cinder-volume: INFO cinder.volume.manager None req-5eb13d6b-917f-48f6-a28c-17ae0d99c799 admin None] Created volume successfully.

9、查看创建结果

[stack@DevStack-Rocky-Compute-22 ~]$ cinder list

+--------------------------------------+-----------+-------+------+-------------+----------+-------------+

+--------------------------------------+-----------+-------+------+-------------+----------+-------------+

+--------------------------------------+-----------+-------+------+-------------+----------+-------------+

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