Replace deprecated "include" directive in Ansible 2.4

handlers/main.yml

 ---
 # file: roles/letsencrypt/handler/main.yml
 
-- include: '../../haproxy/handlers/main.yml'
+- include_tasks: '../../haproxy/handlers/main.yml'

tasks/main.yml

@@ -20,14 +20,14 @@
     changed_when: false
     tags: 'always'
 
-  - include: install.yml
+  - include_tasks: install.yml
 
-  - include: cert.yml
+  - include_tasks: cert.yml
     with_items: '{{ letsencrypt_certificates|default([]) }}'
     loop_control:
       loop_var: domain
 
-  - include: renew.yml
+  - include_tasks: renew.yml
     when: letsencrypt_certs_available is defined and letsencrypt_certs_available.stat.exists and (proxy_active is not defined or proxy_active)
     tags: 'renew'
 

tasks/renew.yml

@@ -34,7 +34,7 @@
     state: 'absent'
 
 - name: "Build HaProxy Certs"
-  include: '../../haproxy/tasks/buildcerts.yml'
+  include_tasks: '../../haproxy/tasks/buildcerts.yml'
   when: "'No renewals were attempted.' not in renew_result.stdout"
 
 - name: "Start services"