func buildProcess(
processNames []string,
processes map[string]string,
dir string,
env []string,
port, padding int) procker.Process {
p := []procker.Process{}
for name, command := range processes {
if !mustStart(processNames, name) {
continue
}
process := &procker.SysProcess{
Command: command,
Dir: dir,
Env: append(env, fmt.Sprintf("PORT=%d", port)),
Stdout: procker.NewPrefixedWriter(os.Stdout, prefix(name, padding)),
Stderr: procker.NewPrefixedWriter(os.Stderr, prefix(name, padding)),
SysProcAttr: sysProcAttrs(),
}
log.Printf("starting %s on port %d", name, port)
p = append(p, process)
port++
}
if len(p) == 0 {
fail("no process to run\n")
}
return procker.NewProcessGroup(p...)
}
func (a *processApp) buildProcess() (procker.Process, error) {
port, err := FreePort()
if err != nil {
return nil, err
}
a.port = port
p := []procker.Process{}
for name, command := range a.processes {
prefix := fmt.Sprintf("[%s:%s] ", a.Name(), name)
process := &procker.SysProcess{
Command: command,
Dir: a.dir,
Env: append(a.env, fmt.Sprintf("PORT=%d", port)),
Stdout: procker.NewPrefixedWriter(os.Stdout, prefix),
Stderr: procker.NewPrefixedWriter(os.Stderr, prefix),
}
p = append(p, process)
}
return procker.NewProcessGroup(p...), nil
}