add flannel interface

linux/k3s/master/tasks/main.yml

@@ -9,5 +9,5 @@
   when: ansible_distribution|lower == 'debian'
 
 - name: run cluster init on first node
-  shell: "curl -sfL https://get.k3s.io | K3S_TOKEN={{ k3s_master_token }} sh -s - server --cluster-init --node-ip {{ k3s_node_address }}"
+  shell: "curl -sfL https://get.k3s.io | K3S_TOKEN={{ k3s_master_token }} sh -s - server --cluster-init --node-ip {{ k3s_node_address }} --flannel-iface {{ k3s_node_interface }}"
   when: k3s_bootstrap

linux/k3s/node/defaults/main.yml

@@ -2,3 +2,4 @@ k3s_node_token: 'SOME_SECRET'
 k3s_bootstrap: false
 k3s_node_address: "{{ ipv4_address }}"
 k3s_master_address: "{{ hostvars[groups['linux_k3s_master'][0]]['ipv4_address'] }}"
+k3s_node_address: "{{ ipv4_address }}"

linux/k3s/node/tasks/main.yml

@@ -9,6 +9,6 @@
   when: ansible_distribution|lower == 'debian'
 
 - name: join node to cluster
-  shell: "curl -sfL https://get.k3s.io | K3S_TOKEN={{ k3s_node_token }} sh -s - server --server https://{{ k3s_master_address }}:6443 --node-ip {{ k3s_node_address }} && sleep 5"
+  shell: "curl -sfL https://get.k3s.io | K3S_TOKEN={{ k3s_node_token }} sh -s - server --server https://{{ k3s_master_address }}:6443 --node-ip {{ k3s_node_address }} --flannel-iface {{ k3s_node_interface }} && sleep 5"
   when: k3s_bootstrap
   throttle: 1