Update file main.yml

roles/cadvisor/tasks/main.yml

@@ -78,6 +78,35 @@
         msg: "cAdvisor is running and responding on port {{ cadvisor_port }}"
       when: cadvisor_check.status == 200
 
+  rescue:
+    - name: Get cAdvisor container logs
+      community.docker.docker_container_logs:
+        name: cadvisor
+        tail: 50
+      register: cadvisor_logs
+      become: yes
+
+    - name: Display cAdvisor logs for debugging
+      debug:
+        var: cadvisor_logs.log
+      when: cadvisor_logs is defined
+
+    - name: Check running containers
+      command: docker ps -a
+      register: docker_ps
+      become: yes
+
+    - name: Display running containers
+      debug:
+        var: docker_ps.stdout
+      when: docker_ps is defined
+
+    - name: Fail with detailed error message
+      fail:
+        msg: |
+          cAdvisor failed to start on {{ inventory_hostname }}.
+          Port {{ cadvisor_port }} might be in use or container is crashing.
+          Check the logs above for details.
           
   when: 
     - docker_check.rc == 0