os-net-config fails to validate dns_servers value when it contains single IP address
Issue
- Undercloud deployment failed after user defined
net_config_override
inundercloud.conf
and setnetwork_config
with single IP address definition fordns_servers
. -
Undercloud deployment failed because of the following error after user defined
net_config_override
inundercloud.conf
and setnetwork_config
with single IP address definition fordns_servers
:2023-06-27 11:27:00.142365 | 00505684-f5f6-0ad3-efe2-0000000008d8 | TASK | Ensure firewall is installed 2023-06-27 11:28:43.733569 | 00505684-f5f6-0ad3-efe2-0000000008d8 | FATAL | Ensure firewall is installed | director | error={"changed": false, "msg": "Failed to download metadata for repo 'rhel-9-for-x86_64-highavailability-eus-rpms': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried", "rc": 1, "results": []}
Environment
- Red Hat OpenStack Platform 17.0
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