Simplify logic using when clause

playbook.yml

@@ -98,37 +98,24 @@
   gather_facts: false
   vars_files:
   - cluster.k3s.yml
-  serial: 1
   tasks:
 
-  - ansible.builtin.debug:
+  - name: Install K3s binary (initial node)
-      var: cluster
+    ansible.builtin.shell:
+      cmd: "curl -sfL https://get.k3s.io | sh -s - server --cluster-init --disable local-storage,traefik --tls-san {{ cluster.virtualip | ansible.utils.ipaddr('address') }}"
+    when: inventory_hostname == k3s_ha[0]
 
-  - name: Install K3s binary
+  - name: Retrieve token (from initial node)
+    ansible.builtin.slurp:
+      src: /var/lib/rancher/k3s/server/token
+    register: k3s_token
+    run_once: true
+    delegate_to: k3s_ha[0]
+
+  - name: Install K3s binary (additional nodes)
     ansible.builtin.shell:
       cmd: "curl -sfL https://get.k3s.io | sh -s - server --cluster-init --disable local-storage,traefik --tls-san {{ cluster.virtualip | ansible.utils.ipaddr('address') }}"
     environment:
-      K3S_TOKEN: "{{ cluster.mastertoken | default('', true) }}"
+      K3S_TOKEN: "{{ k3s_token.content | b64decode | trim }}"
-      K3S_URL: "{{ cluster.apiurl | default('', true) }}"
+      K3S_URL: "{{ 'https://' + ( cluster.virtualip | ansible.utils.ipaddr('address') ) + ':6443' }}"
-
+    when: inventory_hostname != k3s_ha[0]
-  - name: Reference new cluster
-    block:
-
-    - name: Retrieve token
-      ansible.builtin.slurp:
-        src: /var/lib/rancher/k3s/server/token
-      register: k3s_token
-
-    - name: Update dictionary
-      ansible.builtin.set_fact:
-        cluster: >-
-          cluster | combine(
-             { 'mastertoken': ( k3s_token.content | b64decode | trim ) },
-             { 'apiurl': 'https://' + ( cluster.virtualip | ansible.utils.ipaddr('address') ) + ':6443' }
-          )
-
-    when: cluster.mastertoken is not defined
-
-  - ansible.builtin.debug:
-      var: cluster
-