Fixed provisioning of multi-master, need to test LB with k3s_control_node_address

molecule/default/playbook-ha-postgres.yml

@@ -9,5 +9,6 @@
     - name: Set each node to be a control node
       set_fact:
         k3s_control_node: true
+      when: inventory_hostname in ['node2', 'node3']
   roles:
     - role: xanmanning.k3s

tasks/build/install-k3s.yml

@@ -5,13 +5,15 @@
     path: "{{ k3s_systemd_unit_directory }}"
     state: directory
     recurse: true
-  when: k3s_control_node
+  when: (k3s_control_node and k3s_controller_count | length == 1)
+        or (k3s_primary_control_node and k3s_controller_count | length > 1)
 
 - name: Ensure k3s service unit file is present on control plane
   template:
     src: k3s.service.j2
     dest: "{{ k3s_systemd_unit_directory }}/k3s.service"
-  when: k3s_control_node
+  when: (k3s_control_node and k3s_controller_count | length == 1)
+        or (k3s_primary_control_node and k3s_controller_count | length > 1)
   notify:
     - reload systemd
 
@@ -36,4 +38,5 @@
     state: started
     enabled: true
     scope: "{{ k3s_systemd_context }}"
-  when: k3s_control_node
+  when: (k3s_control_node and k3s_controller_count | length == 1)
+        or (k3s_primary_control_node and k3s_controller_count | length > 1)

tasks/build/preconfigure-k3s.yml

@@ -5,6 +5,11 @@
     k3s_control_node: false
   when: k3s_control_node is not defined
 
+- name: Ensure k3s master control node fact is set
+  set_fact:
+    k3s_primary_control_node: false
+  when: k3s_primary_control_node is not defined
+
 - name: Ensure a k3s control node is defined if none are found in play_hosts
   block:
     - name: Set control host
@@ -16,5 +21,11 @@
 - name: Ensure a count of control masters is generated
   set_fact:
     k3s_controller_count: "{{ k3s_controller_count + [ item ] }}"
-  when: item
-  loop: "{{ hostvars | json_query('*.k3s_control_node') }}"
+  when: hostvars[item].k3s_control_node
+  loop: "{{ play_hosts }}"
+
+- name: Ensure a primary k3s control node is defined if multiple are found in play_hosts
+  set_fact:
+    k3s_primary_control_node: true
+  when: k3s_controller_count | length > 1
+        and inventory_hostname == k3s_controller_count[0]