Files
kubespray/roles/kubernetes/preinstall/tasks/0100-dhclient-hooks.yml
Slavi Pantaleev cc03ca62be Avoid empty "supersede domain-name-servers" directives for dhclient.conf (#10948)
Fixes https://github.com/kubernetes-sigs/kubespray/issues/10947

This patch aims to be minimal and intentionally:

- does not change the generation logic for `supersede_domain` and `supersede_search`
- does not change how `nameserverentries` (for NetworkManager) is built

It seems like `nameserverentries` in the "Generate nameservers for resolvconf, including cluster DNS"
task is built the same way as `dhclient_supersede_nameserver_entries_list`.
However, `nameserverentries` in the "Generate nameservers for resolvconf, not including cluster DNS"
task (below) is built differently for some reason. It includes `configured_nameservers` as well.
Due to these differences, I have refrained from reusing the same building logic
(`dhclient_supersede_nameserver_entries_list`) for both.

If the `configured_nameservers` addition can be removed or made to apply
to dhclient as well, we could potentially build a single list and then
generate the `nameserverentries` and `supersede_nameserver` strings from it.
2024-08-06 03:38:51 -07:00

34 lines
1.0 KiB
YAML

---
- name: Configure dhclient to supersede search/domain/nameservers
blockinfile:
block: |-
{% for item in [supersede_domain, supersede_search, supersede_nameserver] | reject('equalto', '') -%}
{{ item }}
{% endfor %}
path: "{{ dhclientconffile }}"
create: yes
state: present
insertbefore: BOF
backup: yes
marker: "# Ansible entries {mark}"
mode: "0644"
notify: Preinstall | propagate resolvconf to k8s components
- name: Configure dhclient hooks for resolv.conf (non-RH)
template:
src: dhclient_dnsupdate.sh.j2
dest: "{{ dhclienthookfile }}"
owner: root
mode: "0755"
notify: Preinstall | propagate resolvconf to k8s components
when: ansible_os_family not in [ "RedHat", "Suse" ]
- name: Configure dhclient hooks for resolv.conf (RH-only)
template:
src: dhclient_dnsupdate_rh.sh.j2
dest: "{{ dhclienthookfile }}"
owner: root
mode: "0755"
notify: Preinstall | propagate resolvconf to k8s components
when: ansible_os_family == "RedHat"