Simpler systemd unit file fix, just adding a test to avoid crash on stat

tasks/elasticsearch-config.yml

@@ -86,15 +86,27 @@
     content: ''
   when: ansible_os_family == 'RedHat'
 
-  # We need the force parameter to be able to overwrite the default non-link file
 - name: Symlink default systemd service to first instance of elasticsearch
   when: use_system_d
+  block:
+  - name: Check if default systemd file exists
+    stat:
+      path: "{{ sysd_script }}"
+    register: sysd_stat_result
+
+  - name: Remove if it is a normal file
+    file:
+      path: "{{ sysd_script }}"
+      state: absent
+    when: sysd_stat_result.stat.exists and not sysd_stat_result.stat.islnk
+
+  - name: Create a symbolic link to the default systemd location to the first instance running on this host
     become: yes
     file:
       state: link
-    force: yes
       src: "{{ instance_sysd_script }}"
       path: "{{ sysd_script }}"
+    when: sysd_stat_result.stat.exists and not sysd_stat_result.stat.islnk
     notify:
     - reload systemd configuration
     - restart elasticsearch