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openstack相关知识ec2 credentials创建ec2的密钥可指定project，user等，创建/删除/查询命令参考：https://docs.openstack.org/python-openstackclient/pike/cli/command-objects/ec2-credentials.htmlv3 credentials与ec2 credentials相比，增加了可指定密钥的值，例如：openstack credential create --type e

http://docs.ceph.com/docs/master/radosgw/barbican/https://blog.youkuaiyun.com/happyteafriends/article/details/78551103https://blog.youkuaiyun.com/u011211976/article/details/78970642ceph.conf配置rgw_barbican_url = http://100.75.0.19:9311rgw_keystone_barbican_us

版本ceph版本：12.2.10openstack版本：n版本barbican版本：3.0.0rgw对接keystonehttp://docs.ceph.com/docs/master/radosgw/keystone/http://docs.ceph.com/docs/master/radosgw/s3/authentication/1.A user that Keystone authorizes to access the gateway will also be auto