solution

sib.scw_container/tasks/main.yml

@@ -0,0 +1,22 @@
+---
+  - name: create container
+    community.general.scaleway_compute:
+      commercial_type: "{{ scw_type }}"
+      name: "{{ container_name }}"
+      state: running
+      api_token: "{{ scw_api_secret_key }}"
+      image: "{{ scw_image}}"
+      project: "{{ scw_api_default_project_id }}"
+      public_ip: dynamic
+      wait: true
+      region: "{{ scw_region }}"
+    register: "container_info"
+
+  - name: "generate host list"
+    ansible.builtin.lineinfile:
+        create: yes
+        path: "hostlist.yml"
+        line: "  - { record_name: {{ item.msg.name}}, record_value: {{ item.msg.public_ip.address }} }"
+        state: present
+    loop: "{{ container_info.results }}"
+