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Add support for ipv6 only cluster via "enable_ipv6only_stack_networks" (#11831)

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Boris
2025-01-27 15:15:22 +03:00
committed by GitHub
parent e107022b4b
commit 76c0a3aa75
37 changed files with 216 additions and 104 deletions
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6
roles/kubernetes/node/defaults/main.yml
View File

@@ -1,9 +1,9 @@
---
# advertised host IP for kubelet. This affects network plugin config. Take caution
kubelet_address: "{{ ip | default(fallback_ip) }}{{ (',' + ip6) if enable_dual_stack_networks and ip6 is defined else '' }}"
kubelet_address: "{{ [ip | default(fallback_ip) if not enable_ipv6only_stack_networks, ip6 | default(fallback_ip6) if (enable_dual_stack_networks or enable_ipv6only_stack_networks)] | reject('match', '^$') | join(',') }}{{ '' }}"
# bind address for kubelet. Set to 0.0.0.0 to listen on all interfaces
kubelet_bind_address: "{{ ip | default('0.0.0.0') }}"
kubelet_bind_address: "{{ (ip6 if enable_ipv6only_stack_networks else ip) | default('0.0.0.0') }}"
# resolv.conf to base dns config
kube_resolv_conf: "/etc/resolv.conf"
@@ -29,7 +29,7 @@ kubelet_systemd_wants_dependencies: []
# List of secure IPs for kubelet
kube_node_addresses: >-
{%- for host in (groups['k8s_cluster'] | union(groups['etcd'])) -%}
{{ hostvars[host]['ip'] | default(hostvars[host]['fallback_ip']) }}{{ ' ' if not loop.last else '' }}
{{ hostvars[host]['ip' + default_net_mode] | default(hostvars[host]['fallback_ip' + default_net_mode]) | ansible.utils.ipwrap }}{{ ' ' if not loop.last else '' }}
{%- endfor -%}
kubelet_secure_addresses: "localhost link-local {{ kube_pods_subnet }} {{ kube_node_addresses }}"

4
roles/kubernetes/node/templates/loadbalancer/haproxy.cfg.j2
View File

@@ -22,7 +22,7 @@ defaults
{% if loadbalancer_apiserver_healthcheck_port is defined -%}
frontend healthz
bind 0.0.0.0:{{ loadbalancer_apiserver_healthcheck_port }}
{% if enable_dual_stack_networks -%}
{% if enable_dual_stack_networks or enable_ipv6only_stack_networks -%}
bind :::{{ loadbalancer_apiserver_healthcheck_port }}
{% endif -%}
mode http
@@ -31,7 +31,7 @@ frontend healthz
frontend kube_api_frontend
bind 127.0.0.1:{{ loadbalancer_apiserver_port|default(kube_apiserver_port) }}
{% if enable_dual_stack_networks -%}
{% if enable_dual_stack_networks or enable_ipv6only_stack_networks -%}
bind [::1]:{{ loadbalancer_apiserver_port|default(kube_apiserver_port) }};
{% endif -%}
mode tcp

4
roles/kubernetes/node/templates/loadbalancer/nginx.conf.j2
View File

@@ -20,7 +20,7 @@ stream {
server {
listen 127.0.0.1:{{ loadbalancer_apiserver_port|default(kube_apiserver_port) }};
{% if enable_dual_stack_networks -%}
{% if enable_dual_stack_networks or enable_ipv6only_stack_networks -%}
listen [::1]:{{ loadbalancer_apiserver_port|default(kube_apiserver_port) }};
{% endif -%}
proxy_pass kube_apiserver;
@@ -44,7 +44,7 @@ http {
{% if loadbalancer_apiserver_healthcheck_port is defined -%}
server {
listen {{ loadbalancer_apiserver_healthcheck_port }};
{% if enable_dual_stack_networks -%}
{% if enable_dual_stack_networks or enable_ipv6only_stack_networks -%}
listen [::]:{{ loadbalancer_apiserver_healthcheck_port }};
{% endif -%}
location /healthz {