From 98d5d0cdd5a472b222ec597e9bdc2f7ab7460ee2 Mon Sep 17 00:00:00 2001
From: kakkotetsu <kakkotetsu@users.noreply.github.com>
Date: Tue, 15 Feb 2022 17:28:02 +0900
Subject: [PATCH] add support for Dual Stack node InternalIP (#8542)
---
docs/vars.md | 3 +++
roles/kubernetes/node/defaults/main.yml | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/docs/vars.md b/docs/vars.md
index 11e33f555..8c07454d7 100644
--- a/docs/vars.md
+++ b/docs/vars.md
@@ -37,6 +37,9 @@ Some variables of note include:
public/floating and private IPs.
* *ansible_default_ipv4.address* - Not Kubespray-specific, but it is used if ip
and access_ip are undefined
+* *ip6* - IPv6 address to use for binding services. (host var)
+ If *enable_dual_stack_networks* is set to ``true`` and *ip6* is defined,
+ kubelet's ``--node-ip`` and node's ``InternalIP`` will be the combination of *ip* and *ip6*.
* *loadbalancer_apiserver* - If defined, all hosts will connect to this
address instead of localhost for kube_control_planes and kube_control_plane[0] for
kube_nodes. See more details in the
diff --git a/roles/kubernetes/node/defaults/main.yml b/roles/kubernetes/node/defaults/main.yml
index c7e4a7eb6..06a9422e2 100644
--- a/roles/kubernetes/node/defaults/main.yml
+++ b/roles/kubernetes/node/defaults/main.yml
@@ -3,7 +3,7 @@
kube_apiserver_insecure_bind_address: 127.0.0.1
# advertised host IP for kubelet. This affects network plugin config. Take caution
-kubelet_address: "{{ ip | default(fallback_ips[inventory_hostname]) }}"
+kubelet_address: "{{ ip | default(fallback_ips[inventory_hostname]) }}{{ ',' + ip6 if enable_dual_stack_networks and ip6 is defined }}"
# bind address for kubelet. Set to 0.0.0.0 to listen on all interfaces
kubelet_bind_address: "{{ ip | default('0.0.0.0') }}"
--
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