Jonathan Billings <billings at negate.org> wrote: >On Sun, Dec 18, 2016 at 08:50:54PM -0800, whitivery wrote: >> It is a system with several servers (various platforms/distros). >> >> One piece of software runs on all of the servers. For it to operate >> correctly, the instance on one server (prime) must start before the others >> (auxiliary). >> >> So a boot delay is added (via a script sourced from initscript, which >> first waits for network to come up) to set the boot delay values for each >> server - prime at 0, others at some other value of 15 to 110 seconds >> depending on platform. >> >> But when it is necessary to manipulate the service interactively via the >> "service" command, the boot delay needs to be bypassed. > >Well, the first thing I'd do is make the service wait for the network >to be online. In the [Unit] section add Wants=network-online.target. > >Secondly, I'd try to find a way for the auxiliary services to ping the >prime service to ensure its up, and make that script a ExecStartPre >entry in the [Service] section. You'll want to adjust the >TimeoutStartSec in case it might exceed the DefaultTimeoutStartSec in >/etc/systemd/system.conf, which is 90 seconds. Thank you for the idea, but as mentioned, the same service runs on a mix of server platforms and distros, and the older ones do not use systemd, so I'd prefer to stick with SysV type initscripts that work on all of them.