7a528035b8b0dde10dcf16d4c4bf861cccd38f9c

Re-add the Singleton class which were removed from the base services
module after introducing the backend mechanism[1].
[1] 861e8d6677
Closes-Bug: #2099955
Change-Id: I8849488df9b4db1d4af38b54444be4261b541e0c
Team and repository tags
oslo.service -- Library for running OpenStack services
oslo.service provides a framework for defining new long-running services using the patterns established by other OpenStack applications. It also includes utilities long-running applications might need for working with SSL or WSGI, performing periodic operations, interacting with systemd, etc.
- Free software: Apache license
- Documentation: https://docs.openstack.org/oslo.service/latest/
- Source: https://opendev.org/openstack/oslo.service
- Bugs: https://bugs.launchpad.net/oslo.service
- Release notes: https://docs.openstack.org/releasenotes/oslo.service/
Description
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Python
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