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refactor: extract DNS configuration from kubernetes/preinstall into dns_config role (#13603)

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Extract tasks related to host DNS management from kubernetes/preinstall
into a new kubernetes/dns_config role.

Previously, kubernetes/preinstall was re-invoked at the end of cluster
playbooks with dns_late: true to apply resolvconf changes after cluster
DNS came up. Because of this reuse, several unrelated tasks in preinstall
were guarded with 'when: not dns_late'.

Move resolvconf, systemd-resolved, networkmanager-dns, and dhclient tasks,
along with their associated templates, facts, variables, and handlers, into
kubernetes/dns_config. Update cluster.yml, upgrade_cluster.yml, scale.yml,
and reset.yml to invoke the new role directly and remove dns_late guards.

Signed-off-by: Dasmat13 <gptdasmat@gmail.com>
This commit is contained in:
Dasmat Hansda
2026-10-30 13:51:55 +00:00
committed by GitHub
parent a3d30ad42c
commit c219d80df9
26 changed files with 374 additions and 354 deletions
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inventory/sample/group_vars/all/all.yml
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@@ -30,7 +30,7 @@ loadbalancer_apiserver_healthcheck_port: 8081
### OTHER OPTIONAL VARIABLES
## By default, Kubespray collects nameservers on the host. It then adds the previously collected nameservers in nameserverentries.
## If true, Kubespray does not include host nameservers in nameserverentries in dns_late stage. However, It uses the nameserver to make sure cluster installed safely in dns_early stage.
## If true, Kubespray does not include host nameservers in nameserverentries after the cluster DNS is running. However, it uses the host nameservers during initial setup to ensure the cluster installs safely.
## Use this option with caution, you may need to define your dns servers. Otherwise, the outbound queries such as www.google.com may fail.
# disable_host_nameservers: false