Check if installer already present

tasks/Windows.yml

@@ -4,11 +4,17 @@
     path: "c:/temp/"
     state: directory
 
+- name: Obtain information about a file
+  ansible.windows.win_stat:
+    path: "c:/temp/check-mk-agent.msi"
+  register: cmkmsi
+
 - name: Retrieve copy of agent
   win_get_url:
     url: "{{ cmk_msi_agent }}{{ cmk_auth }}"
     dest: "c:/temp/check-mk-agent.msi"
   changed_when: false
+  when: not cmkmsi.stat.exists
 
 - name: Ensure agent is installed
   win_package: