feat add custom registries_config_yaml for private-registry

inventory-sample.yml

@@ -19,8 +19,8 @@
     extra_server_args: ""
     extra_agent_args: ""
 
   # Optional vars
     # api_port: 6443
     # k3s_server_location: /var/lib/rancher/k3s
     # systemd_dir: /etc/systemd/system
     # extra_service_envs: [ 'ENV_VAR1=VALUE1', 'ENV_VAR2=VALUE2' ]
@@ -29,7 +29,11 @@
     # extra_manifests: [ '/path/to/manifest1.yaml', '/path/to/manifest2.yaml' ]
     # airgap_dir: /tmp/k3s-airgap-images
     # user_kubectl: true, by default kubectl is symlinked and configured for use by ansible_user. Set to false to only kubectl via root user.
     # server_config_yaml:  |
       # This is now an inner yaml file. Maintain the indentation.
       # YAML here will be placed as the content of /etc/rancher/k3s/config.yaml
       # See https://docs.k3s.io/installation/configuration#configuration-file
+    # registries_config_yaml:  |
+      # Containerd can be configured to connect to private registries and use them to pull images as needed by the kubelet.
+      # YAML here will be placed as the content of /etc/rancher/k3s/registries.yaml
+      # See https://docs.k3s.io/installation/private-registry

roles/prereq/tasks/main.yml

@@ -207,3 +207,17 @@
         dest: "/var/lib/rancher/k3s/server/manifests"
         mode: 0600
       loop: "{{ extra_manifests }}"
+
+- name: Setup optional private registry configuration
+  when: registries_config_yaml is defined
+  block:
+    - name: Make k3s config directory
+      ansible.builtin.file:
+        path: "/etc/rancher/k3s"
+        mode: 0755
+        state: directory
+    - name: Copy config values
+      ansible.builtin.copy:
+        content: "{{ registries_config_yaml }}"
+        dest: "/etc/rancher/k3s/registries.yaml"
+        mode: 0644