From f07f65901b46ccff3bc730b8a4d984e3fc5ba7a2 Mon Sep 17 00:00:00 2001
From: Thomas Schoebel-Theuer <tst@1und1.de>
Date: Mon, 4 Feb 2019 09:52:53 +0100
Subject: [PATCH] marsadm: add systemd presence check

---
 userspace/marsadm | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/userspace/marsadm b/userspace/marsadm
index 3a61f4f9..55ddcabf 100755
--- a/userspace/marsadm
+++ b/userspace/marsadm
@@ -392,6 +392,15 @@ sub instantiate_systemd_unit {
   return (1, $outfile);
 }
 
+sub systemd_present {
+  my ($cmd, $res) = @_;
+  my $unit_glob = "$mars/resource-$res/systemd-*-unit";
+  return 0 unless glob($unit_glob);
+  my $want_path = "$mars/resource-$res/systemd-want";
+  my $want = get_link($want_path, 2);
+  return $want;
+}
+
 sub systemd_exists {
   my ($unit_list) = @_;
   foreach my $unit (split(/ +/, $unit_list)) {