fix

splash/tasks/main.yml

@@ -16,26 +16,56 @@
     name: "{{ container_name }}"
     state: absent
 
-- name: Scarica immagine ML app (platform-aware)
-  block:
-    - name: Pull immagine Docker da registry
-      ansible.builtin.command: >-
-        docker pull{% if image_platform | default('') | length > 0 %} --platform {{ image_platform }}{% endif %} {{ container_image_ref }}
-      register: image_pull
-      changed_when: image_pull.rc == 0
+- name: Calcola platform effettiva
+  ansible.builtin.set_fact:
+    effective_image_platform: >-
+      {{
+        (image_platform | default(''))
+        if (image_platform | default('')) != 'auto'
+        else
+        ('linux/amd64' if ansible_architecture in ['x86_64', 'amd64']
+         else ('linux/arm64' if ansible_architecture in ['aarch64', 'arm64'] else ''))
+      }}
 
-  rescue:
-    - name: Errore pull immagine con suggerimenti
-      ansible.builtin.fail:
-        msg: >-
-          Pull fallito per {{ container_image_ref }} su platform {{ image_platform | default('default') }}.
-          Verifica che il registry pubblichi un manifest compatibile con l'architettura host
-          (esempio linux/amd64) oppure ricostruisci l'immagine come multi-arch.
+- name: Pull immagine primaria (digest o tag)
+  ansible.builtin.command: >-
+    docker pull{% if effective_image_platform | length > 0 %} --platform {{ effective_image_platform }}{% endif %} {{ container_image_ref }}
+  register: primary_pull
+  changed_when: primary_pull.rc == 0
+  failed_when: false
+
+- name: Fallback pull tramite tag se digest non compatibile
+  ansible.builtin.command: >-
+    docker pull{% if effective_image_platform | length > 0 %} --platform {{ effective_image_platform }}{% endif %} {{ container_image }}:{{ image_tag }}
+  register: fallback_pull
+  changed_when: fallback_pull.rc == 0
+  failed_when: false
+  when:
+    - primary_pull.rc != 0
+    - image_digest | default('') | length > 0
+
+- name: Valida esito pull immagine
+  ansible.builtin.assert:
+    that:
+      - primary_pull.rc == 0 or (fallback_pull is defined and fallback_pull.rc == 0)
+    fail_msg: >-
+      Pull fallito sia per {{ container_image_ref }} sia per {{ container_image }}:{{ image_tag }}
+      su platform {{ effective_image_platform | default('default') }}.
+      Verifica manifest compatibile con l'architettura host oppure pubblica immagine multi-arch.
+
+- name: Seleziona riferimento immagine effettivo
+  ansible.builtin.set_fact:
+    pulled_image_ref: >-
+      {{
+        container_image_ref
+        if primary_pull.rc == 0
+        else (container_image ~ ':' ~ image_tag)
+      }}
 
 - name: Avvia container ML app
   community.docker.docker_container:
     name: "{{ container_name }}"
-    image: "{{ container_image_ref }}"
+    image: "{{ pulled_image_ref }}"
     state: started
     restart_policy: unless-stopped
     ports: