defaults/main.yml

@@ -12,7 +12,8 @@ k3s_packages_extra: []
 k3s_reset: False
 k3s_token: "secure-token"
 k3s_node_name: "{{ ansible_hostname }}"
-k3s_node_ip: "{{ ansible_default_ipv4.address }}"
+k3s_node_ip:
+  - "{{ ansible_default_ipv4.address }}"
 k3s_init_log_enabled: False
 k3s_selinux_enabled: False
 k3s_protect_kernel_defaults: False
@@ -20,8 +21,10 @@ k3s_protect_kernel_defaults: False
 k3s_server: True
 k3s_server_bind_ip: "0.0.0.0"
 k3s_server_cluster_domain: "cluster.local"
-k3s_server_cluster_cidr: "10.42.0.0/16"
+k3s_server_cluster_cidr:
-k3s_server_service_cidr: "10.43.0.0/16"
+  - "10.42.0.0/16"
+k3s_server_service_cidr:
+  - "10.43.0.0/16"
 k3s_server_service_node_port_range: "30000-32767"
 k3s_server_cluster_dns: "10.43.0.10"
 k3s_server_nodes:

molecule/default/converge.yml

@@ -50,7 +50,8 @@
   pre_tasks:
     - name: Override host variables
       ansible.builtin.set_fact:
-        k3s_node_ip: "{{ ansible_default_ipv4.address }}"
+        k3s_node_ip:
+          - "{{ ansible_default_ipv4.address }}"
   roles:
     - role: xoxys.kernel
     - role: xoxys.k3s

templates/etc/rancher/k3s/config.yaml.j2

@@ -1,12 +1,12 @@
 #jinja2: lstrip_blocks: True
 ---
-{% set __k3s_kube_apiserver_arg = lookup('template', '_internal/apiserver-arg.yaml.j2') | from_yaml %}
+{% set __k3s_kube_apiserver_arg = lookup("template", "_internal/apiserver-arg.yaml.j2") | from_yaml %}
-{% set __k3s_kube_controller_manager_arg = lookup('template', '_internal/kube-controller-manager-arg.yaml.j2') | from_yaml %}
+{% set __k3s_kube_controller_manager_arg = lookup("template", "_internal/kube-controller-manager-arg.yaml.j2") | from_yaml %}
-{% set __k3s_kubelet_arg = lookup('template', '_internal/kubelet-arg.yaml.j2') | from_yaml %}
+{% set __k3s_kubelet_arg = lookup("template", "_internal/kubelet-arg.yaml.j2") | from_yaml %}
-{% set __k3s_node_taint = lookup('template', '_internal/node-taint.yaml.j2') | from_yaml %}
+{% set __k3s_node_taint = lookup("template", "_internal/node-taint.yaml.j2") | from_yaml %}
 token: "{{ k3s_token }}"
 node-name: "{{ k3s_node_name }}"
-node-ip: "{{ k3s_node_ip }}"
+node-ip: "{{ k3s_node_ip | join(',') }}"
 {% if __k3s_node_taint is iterable %}
 node-taint:
   {{ __k3s_node_taint | to_nice_yaml(indent=2) | indent(2, False) }}
@@ -21,9 +21,9 @@ protect-kernel-defaults: {{ k3s_protect_kernel_defaults | bool | lower }}
 {% if k3s_server | bool %}
 bind-address: "{{ k3s_server_bind_ip }}"
 cluster-domain: "{{ k3s_server_cluster_domain }}"
-cluster-cidr: "{{ k3s_server_cluster_cidr }}"
+cluster-cidr: "{{ k3s_server_cluster_cidr | join(',') }}"
 cluster-dns: "{{ k3s_server_cluster_dns }}"
-service-cidr: "{{ k3s_server_service_cidr }}"
+service-cidr: "{{ k3s_server_service_cidr | join(',') }}"
 service-node-port-range: "{{ k3s_server_service_node_port_range }}"
 secrets-encryption: True
 write-kubeconfig: "{{ __k3s_config_dir }}/k3s.yaml"

vars/main.yml

@@ -1,6 +1,6 @@
 ---
 __k3s_binary: /usr/local/bin/k3s
-__k3s_server_ip: "{{ hostvars[k3s_server_nodes[0]].k3s_node_ip }}"
+__k3s_server_ip: "{{ hostvars[k3s_server_nodes[0]].k3s_node_ip | first }}"
 
 __k3s_server_init_args: >-
   {% if k3s_server_nodes | length > 1 %}