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Merge pull request #12872 from VannTen/fix/defaut_lb_address

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Use loadbalancer IP as default apiserver endpoint if no LB hostname is used
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Kubernetes Prow Robot 2026-01-19 21:45:50 +05:30 committed by GitHub
commit 62e90b3122
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4 changed files with 6 additions and 9 deletions
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3
roles/etcd/templates/openssl.conf.j2
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@ -32,9 +32,6 @@ DNS.{{ counter["dns"] }} = {{ hostvars[host]['etcd_access_address'] }}{{ increme
{# This will always expand to inventory_hostname, which can be a completely arbitrary name, that etcd will not know or care about, hence this line is (probably) redundant. #}
DNS.{{ counter["dns"] }} = {{ host }}{{ increment(counter, 'dns') }}
{% endfor %}
{% if apiserver_loadbalancer_domain_name is defined %}
DNS.{{ counter["dns"] }} = {{ apiserver_loadbalancer_domain_name }}{{ increment(counter, 'dns') }}
{% endif %}
{% for etcd_alt_name in etcd_cert_alt_names %}
DNS.{{ counter["dns"] }} = {{ etcd_alt_name }}{{ increment(counter, 'dns') }}
{% endfor %}

2
roles/kubernetes/control-plane/tasks/kubeadm-setup.yml
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@ -90,7 +90,7 @@
# Nginx LB(default), If kubeadm_config_api_fqdn is defined, use other LB by kubeadm controlPlaneEndpoint.
- name: Set kubeadm_config_api_fqdn define
set_fact:
kubeadm_config_api_fqdn: "{{ apiserver_loadbalancer_domain_name | default('lb-apiserver.kubernetes.local') }}"
kubeadm_config_api_fqdn: "{{ apiserver_loadbalancer_domain_name }}"
when: loadbalancer_apiserver is defined
- name: Kubeadm | Create kubeadm config

6
roles/kubespray_defaults/defaults/main/main.yml
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@ -643,10 +643,10 @@ first_kube_control_plane_address: "{{ hostvars[groups['kube_control_plane'][0]][
loadbalancer_apiserver_localhost: "{{ loadbalancer_apiserver is not defined }}"
loadbalancer_apiserver_type: "nginx"
# applied if only external loadbalancer_apiserver is defined, otherwise ignored
apiserver_loadbalancer_domain_name: "lb-apiserver.kubernetes.local"
apiserver_loadbalancer_domain_name: "{{ 'localhost' if loadbalancer_apiserver_localhost else (loadbalancer_apiserver.address | d(undef())) }}"
kube_apiserver_global_endpoint: |-
{% if loadbalancer_apiserver is defined -%}
https://{{ apiserver_loadbalancer_domain_name }}:{{ loadbalancer_apiserver.port | default(kube_apiserver_port) }}
https://{{ apiserver_loadbalancer_domain_name | ansible.utils.ipwrap }}:{{ loadbalancer_apiserver.port | default(kube_apiserver_port) }}
{%- elif loadbalancer_apiserver_localhost -%}
https://localhost:{{ loadbalancer_apiserver_port | default(kube_apiserver_port) }}
{%- else -%}
@ -654,7 +654,7 @@ kube_apiserver_global_endpoint: |-
{%- endif %}
kube_apiserver_endpoint: |-
{% if loadbalancer_apiserver is defined -%}
https://{{ apiserver_loadbalancer_domain_name }}:{{ loadbalancer_apiserver.port | default(kube_apiserver_port) }}
https://{{ apiserver_loadbalancer_domain_name | ansible.utils.ipwrap }}:{{ loadbalancer_apiserver.port | default(kube_apiserver_port) }}
{%- elif ('kube_control_plane' not in group_names) and loadbalancer_apiserver_localhost -%}
https://localhost:{{ loadbalancer_apiserver_port | default(kube_apiserver_port) }}
{%- elif 'kube_control_plane' in group_names -%}

4
roles/network_facts/tasks/no_proxy.yml
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@ -4,7 +4,7 @@
# noqa: jinja[spacing]
no_proxy_prepare: >-
{%- if loadbalancer_apiserver is defined -%}
{{ apiserver_loadbalancer_domain_name | default('') }},
{{ apiserver_loadbalancer_domain_name }},
{{ loadbalancer_apiserver.address | default('') }},
{%- endif -%}
{%- if no_proxy_exclude_workers | default(false) -%}
@ -32,7 +32,7 @@
- name: Populates no_proxy to all hosts
set_fact:
no_proxy: "{{ hostvars.localhost.no_proxy_prepare }}"
no_proxy: "{{ hostvars.localhost.no_proxy_prepare | select }}"
# noqa: jinja[spacing]
proxy_env: "{{ proxy_env | combine({
'no_proxy': hostvars.localhost.no_proxy_prepare,