wip

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017 Gabriel Sobrinho
+Copyright (c) 2017-2022 Gabriel Sobrinho
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -125,6 +125,12 @@ heroku config:set PGPOOL_ENABLED=0 # disables pgpool
 heroku config:set PGPOOL_ENABLED=1 # enables pgpool
 ```
 
+## Building
+
+```bash
+env GOOS=linux GOARCH=amd64 go build -o bin/start-pgpool src/start-pgpool.go
+```
+
 ## FAQ
 
 ### This will start one pgpool per dyno?

src/start-pgpool.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"log"
+	"os"
+	"os/exec"
+)
+
+func main() {
+	pgpool := run(false, "pgpool", "-n", "-f", "/app/vendor/pgpool/pgpool.conf", "-a", "/app/vendor/pgpool/pool_hba.conf")
+	app := run(true, os.Args[1], os.Args[2:]...)
+
+	go func() {
+		pgpool.Wait()
+
+		if app.Process != nil {
+			app.Process.Kill()
+		}
+	}()
+
+	app.Wait()
+
+	if pgpool.Process != nil {
+		pgpool.Process.Kill()
+	}
+}
+
+func run(pipeStdin bool, command string, args ...string) *exec.Cmd {
+	cmd := exec.Command(command, args...)
+
+	if pipeStdin {
+		cmd.Stdin = os.Stdin
+	}
+
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	if err := cmd.Start(); err != nil {
+		log.Fatal(err)
+	}
+
+	return cmd
+}