redo users and ssh

_grains/lsusb.py

@@ -1,9 +1,15 @@
 import re
 from subprocess import check_output
 
+log = logging.getLogger(__name__)
+
 def main():
     dev_re = re.compile(r"Bus\s+(\d+)\s+Device\s+(\d+):\s+ID\s(\w+:\w+)\s(.+)$")
-    lsusb = check_output("lsusb", encoding='UTF-8')
+    try:
+        lsusb = check_output("lsusb", encoding='UTF-8')
+    except OSError as exc:
+        log.error(exc)
+        return {}
     devices = []
     corsair_aio = None
     for line in lsusb.splitlines():