Merge pull request #152 from cschug/fix_issue_137

fix: enforce output of df to be single-lined per file system

ansible/maintenance/maint-diskspace.yaml

@@ -6,7 +6,7 @@
       command: df -h
       register: disk_usage
     - name: check disk space available
-      shell: df -h / | awk 'NR==2 {print $5}'
+      shell: df -Ph / | awk 'NR==2 {print $5}'
       register: disk_usage
     # - name: send discord message when disk space is over 80%
     #   uri: