healthchecks: return systemd-run error
In case `systemd-run` errors when creating transient unit files (and
timers), create an error based on the combined output from stdout and
stderr.  Using the error from `exec.Command` contains the exit code
only which is not useful to debug (see
@@ -35,9 +35,8 @@ func (c *Container) createTimer() error {
conn.Close()
logrus.Debugf("creating systemd-transient files: %s %s", "systemd-run", cmd)
systemdRun := exec.Command("systemd-run", cmd...)
- _, err = systemdRun.CombinedOutput()
- if err != nil {
- return err
+ if output, err := systemdRun.CombinedOutput(); err != nil {
+ return errors.Errorf("%s", output)
}
return nil
}
