added check

roles/server/tasks/utilities/telegraf.yml

@@ -2,6 +2,7 @@
   uri:
     url: "https://repos.influxdata.com/influxdb.key"
     dest: "/tmp/influxdb.key"
+    creates: "/tmp/influxdb.key"
 
 - name: server | telegraf | verify and import key
   shell:
@@ -18,3 +19,4 @@
     name: "telegraf"
     state: latest
     update_cache: yes
+