Another big round of refactoring and cleaning...

roles/sys-hlth-btrfs/files/sys-hlth-btrfs.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+exit_code=0
+for path in $(btrfs filesystem show | awk '/ path /{print $NF}')
+do
+  echo "Checking health for $path..."
+  result=$(btrfs device stats $path)
+  echo "$result"
+  regex='\.(.*)_errs(\s*)[1-9]'
+  [[ "$result" =~ $regex ]] && echo "Errors found!" && exit_code=1;
+done
+exit $exit_code