set k3s node IP from access_ip

Author: sjpb

ansible/roles/k3s/files/start_k3s.yml

@@ -5,6 +5,7 @@
     k3s_token: "{{ os_metadata.meta.k3s_token }}"
     k3s_server_name: "{{ os_metadata.meta.control_address }}"
     service_name: "{{ 'k3s-agent' if k3s_server_name is defined else 'k3s' }}"
+    access_ip: "{{ os_metadata.meta.access_ip }}"
   tasks:
     - name: Ensure password directory exists
       ansible.builtin.file: 
@@ -22,6 +23,13 @@
         path: "/etc/systemd/system/{{ service_name }}.service.env"
         line: "K3S_TOKEN={{ k3s_token }}"
 
+    - name: Add the node IP to the environment
+      # NB this isn't natively setable via envvars, have to modify
+      # INSTALL_K3S_EXEC to support it
+      ansible.builtin.lineinfile:
+        path: "/etc/systemd/system/{{ service_name }}.service.env"
+        line: "K3S_NODE_IP={{ access_ip }}"
+
     - name: Add server url to agents
       ansible.builtin.lineinfile:
         path: "/etc/systemd/system/{{ service_name }}.service.env"

ansible/roles/k3s/tasks/install.yml

@@ -47,7 +47,7 @@
       cmd: /usr/bin/k3s-install.sh
     environment:
       INSTALL_K3S_VERSION: "{{ k3s_version }}"
-      INSTALL_K3S_EXEC: "{{ item }}"
+      INSTALL_K3S_EXEC: "{{ item }} --node-ip=${K3S_NODE_IP}"
       INSTALL_K3S_SKIP_START: "true"
       INSTALL_K3S_SKIP_ENABLE: "true"
       INSTALL_K3S_BIN_DIR: "/usr/bin"