From e86bbbfa5a2b7f88bfa8670d1206d6df53ae60b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anders=20F=20Bj=C3=B6rklund?= <anders.f.bjorklund@gmail.com>
Date: Sat, 1 Aug 2026 08:59:21 +0200
Subject: [PATCH] Add parameter for Kubernetes registry
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Now supports a parameter "mirror" for pulling the images from:

mirror: "http://host.lima.internal:8080"

A pull-through cache for docker.io and other registries is at:

https://aceeric.github.io/ociregistry/

Signed-off-by: Anders F Björklund <anders.f.bjorklund@gmail.com>
---
 templates/k3s.yaml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/templates/k3s.yaml b/templates/k3s.yaml
index 8a6e288e..d155d199 100644
--- a/templates/k3s.yaml
+++ b/templates/k3s.yaml
@@ -41,6 +41,15 @@ provision:
             INSTALL_K3S_ARTIFACT_URL={{.Param.proxy}}/HTTPS///github.com/k3s-io/k3s/releases/download
             export INSTALL_K3S_ARTIFACT_URL
     {{- end}}
+    {{if .Param.mirror }}
+            mkdir -p /etc/rancher/k3s
+            cat <<EOF >/etc/rancher/k3s/registries.yaml
+    mirrors:
+      "*":
+        endpoint:
+          - "{{.Param.mirror}}"
+    EOF
+    {{end}}
     {{if not ( and .Param.url .Param.token )}}
             curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server --write-kubeconfig-mode 644" sh -
     {{else}}
@@ -78,5 +87,8 @@ param:
   # The proxy to use when downloading artifacts from k3s.io
   # For a local proxy use for instance "http://host.lima.internal:3142"
   proxy: ""
+  # The mirror to use when pulling images from registry
+  # For a local mirror use for instance "http://host.lima.internal:8080"
+  mirror: ""
   url: ""
   token: ""