Use Type=exec and ExecStartPost=/usr/bin/sleep 1 to delay systemd con…

…sidering the service started until hopefully after the kerberos ticket has been retrieved

systemd/k5start@.service

@@ -3,10 +3,13 @@ Description=Kerberos credentials maintainer for user %i
 After=syslog.target network-online.target
 
 [Service]
-Type=simple
+# Slow down starting of service and fail if k5start fails
+Type=exec
 EnvironmentFile=/etc/k5start-%i.conf
 User=%i
 ExecStart=/usr/bin/k5start $K5START_OPTS
+# Give a delay to hopefully retrieve the ticket before considering the service started
+ExecStartPost=/usr/bin/sleep 1
 Restart=always
 
 [Install]