refactor file tree structure

cmd/main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"os/signal"
+	"sync"
+	"syscall"
+
+	"github.bus.zalan.do/acid/postgres-operator/pkg/controller"
+	"github.com/spf13/pflag"
+)
+
+var options controller.Options
+
+func init() {
+	pflag.StringVar(&options.KubeConfig, "kubeconfig", "", "Path to kubeconfig file with authorization and master location information.")
+}
+
+func main() {
+	// Set logging output to standard console out
+	log.SetOutput(os.Stdout)
+
+	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
+	pflag.Parse()
+
+	sigs := make(chan os.Signal, 1)
+	stop := make(chan struct{})
+	signal.Notify(sigs, os.Interrupt, syscall.SIGTERM) // Push signals into channel
+
+	wg := &sync.WaitGroup{} // Goroutines can add themselves to this to be waited on
+
+	spiloOperator := controller.New(options)
+	spiloOperator.Run(stop, wg)
+
+	sig := <-sigs // Wait for signals (this hangs until a signal arrives)
+	log.Printf("Shutting down... %+v", sig)
+
+	close(stop) // Tell goroutines to stop themselves
+	wg.Wait()   // Wait for all to be stopped
+}