9b1ccea642
HostDomain is like HostAddress with the support of _ character - RFC1033 openstack services are failing to start when a hostname with underscore _ is provided. Example: ``` overcloud-novacompute_edge1-0.internalapi.localdomain overcloud-novacompute_edge1-0.internalapi ``` Nova use `HostAddressOpt` to define `live_migration_inbound_addr`, and if a hostname with underscore is present in the config file then the service fail to start. Example: ``` /etc/nova/nova.conf live_migration_inbound_addr = overcloud-novacompute_edge1-0.internalapi.localdomain ``` FQDN is a domain name that specifies its exact location in the tree hierarchy of the Domain Name System (DNS). Underscore are allowed by RFC1033 [1][2][3]. Indeed, while a hostname may not contain other characters, such as the underscore character (_), other DNS names may contain the underscore.[1][2]. Systems such as DomainKeys and service records use the underscore. These changes allow us to use underscore with the `HostDomain`. [1] https://www.ietf.org/rfc/rfc1912.txt [2] https://www.ietf.org/rfc/rfc1033.txt [3] http://domainkeys.sourceforge.net/underscore.html Co-authored-by: Daniel Bengtsson <dbengt@redhat.com> Change-Id: I0a0670207f96a987996d329e5efa9a5eb2ce000c Closes-Bug: #1892044 (cherry picked from commit6480356928) (cherry picked from commitf37bcc7793) (cherry picked from commit1fcb3e8acd)
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Oslo Configuration Library
The Oslo configuration API supports parsing command line arguments and .ini style configuration files.
- License: Apache License, Version 2.0
- Documentation: https://docs.openstack.org/oslo.config/latest/
- Source: https://git.openstack.org/cgit/openstack/oslo.config
- Bugs: https://bugs.launchpad.net/oslo.config
- Release notes: https://docs.openstack.org/releasenotes/oslo.config/