make shell exec error and normal error look the same for easier grepping in logfiles

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

bin/cdist

@@ -197,7 +197,7 @@ class Cdist:
             print(script_fd.read())
             script_fd.close()
 
-         self.exit_error("Non-Zero exit code exit of " + " ".join(*args))
+         self.exit_error("Command failed (shell): " + " ".join(*args))
 
    def run_or_fail(self, *args, **kargs):
       if "remote" in kargs:

doc/dev/benchmark-parallel-deploy

@@ -5,7 +5,7 @@ outfile="$1"; shift
 (
    for host in "$@"; do
       hosts="$hosts $host"
-      cdist config -c ~/p/cdist-nutzung -p $hosts
+      cdist config -c ~/p/cdist-nutzung -p $hosts 2>&1
    done
 ) | tee "$outfile"
 echo "----------"