fix helm index file existance check

core/src/epicli/data/common/ansible/playbooks/roles/helm/tasks/main.yml

@@ -1,5 +1,13 @@
 ---
 
+- name: Check system index file existance
+  uri:
+    url: http://localhost/epirepo/helm-charts/system/index.yaml
+    method: HEAD
+  register: uri_index_test
+      # fail with error if status is unexpected
+  failed_when: uri_index_test.status is undefined or uri_index_test.status <= 0
+
 - name: Deploy the "system" Helm charts
   block:
     - name: Check if Helm chart repo already exists
@@ -31,3 +39,4 @@
         chart_subname: "{{ item.split('/')[1] }}"
       loop: "{{ helm_charts_list_before_update.stdout_lines }}"
       when: item not in helm_charts_list_after_update.stdout_lines
+  when: uri_index_test.status == 200