Finished loadbalancer playbook with config

playbooks/install_loadbalancer.yml

@@ -1,4 +1,4 @@
-- hosts: all
+- hosts: loadbalancer
   tasks:
   - name: Install nginx
     package:
@@ -6,20 +6,17 @@
       state: present
       update_cache: yes
     become: true
-  - name: "Ansible | List all known variables and facts"
-    debug:
-      var: hostvars[inventory_hostname]
-  # - name: Move config to vm
-  #   ansible.builtin.template:
-  #     src: ./templates/loadbalancer.cfg.j2
-  #     dest: /etc/nginx/sites-available/nginx.cfg
-  #   become: true
-  # - name: Enable loadbalancer config
-  #   file:
-  #     src: /etc/nginx/sites-available/nginx.cfg
-  #     dest: /etc/nginx/sites-enabled/default
-  #     state: link
-  #   become: true
+  - name: Move config to vm
+    ansible.builtin.template:
+      src: ./templates/loadbalancer.cfg.j2
+      dest: /etc/nginx/sites-available/nginx.cfg
+    become: true
+  - name: Enable loadbalancer config
+    file:
+      src: /etc/nginx/sites-available/nginx.cfg
+      dest: /etc/nginx/sites-enabled/default
+      state: link
+    become: true
   - name: Restart nginx
     service: 
       name: nginx

playbooks/templates/loadbalancer.cfg.j2

@@ -1,15 +1,13 @@
-http {
-    upstream app {
-        {% for host in ip %}
-        server  {{ host.ip }};
-        {% endfor %}
-    }
+upstream app {
+    {% for host in groups['webserver'] %}
+    server {{ hostvars[host]['ipv4_address'] }}:80;
+    {% endfor %}
+}
 
-    server {
-        listen 80;
+server {
+    listen 80;
 
-        location / {
-            proxy_pass http://app;
-        }
+    location / {
+        proxy_pass http://app;
     }
-}
+}