role need a name prefix, a number of containers to create

tasks/main.yml

@@ -1,22 +1,30 @@
 ---
   - community.general.scaleway_compute:
-      commercial_type: DEV1-S
+      commercial_type: "{{ item.host_type|default( scw_type )}}"
       region: par1
-      name: "{{ item}}"
+      name: "{{ container_prefix+'%02x' | format(item) }}"
       state:  "{{ (container_action == 'delete' ) | ternary( 'absent', 'running' ) }}"
       api_token: "{{ scw_api_secret_key }}"
-      image: 26e4c50e-91d6-41a5-8898-9e40920e819d
+      image: "{{ container_image}}"
       project: "{{ scw_api_default_project_id }}"
       public_ip: dynamic
-    loop: "{{ container_list }}"
+      wait: true
+    loop: "{{ range(0, container_number , 1)|list }}"
     register: "container_info"
 
   - name: "generate host list"
-    ansible.builtin.lineinfile:
-      create: yes
-      path: "hostlist.yml"
-      line: "- { record_name: {{ item.msg.name}}, record_type: A, record_value: {{ item.msg.public_ip.address }} }"
-      state: present
-    loop: "{{ container_info.results }}"
+    block:
+    - ansible.builtin.lineinfile:
+        create: yes
+        path: "hostlist.yml"
+        line: "dns_records:"
+        insertbefore: BOF
+
+    - ansible.builtin.lineinfile:
+        create: yes
+        path: "hostlist.yml"
+        line: "  - { record_name: {{ item.msg.name}}, record_type: A, record_value: {{ item.msg.public_ip.address }} }"
+        state: present
+      loop: "{{ container_info.results }}"
     when: scw_gen_hostlist is true and container_action !='delete'