warrend / warren run cmd work and sock clean and pipe and sigint handle

cmd/warren/cmd_run.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"fmt"
+	"github.com/dballard/warren/lib/warren"
+	"log"
+	"net"
+	//	"os"
+	//	"os/exec"
+	//	"time"
+)
+
+var runUsage = `
+warren run - Interfaces with warrend to manage running instances
+`
+
+var runCmd = &Command{
+	Name:    "run",
+	Usage:   "",
+	Summary: "Interface to warrend to manage running instances",
+	Help:    runUsage,
+	Run:     runRun,
+}
+
+func runRun(cmd *Command, args ...string) {
+	if len(args) == 0 || args[0] == "help" {
+		fmt.Print(cmd.Help)
+		return
+	}
+
+	_, err := net.Dial(warren.CmdSockType(), warren.CmdSockAddr())
+	if err != nil {
+		log.Fatal("Error connecting to warrend:", err)
+	}
+
+}

cmd/warren/main.go

@@ -27,6 +27,7 @@ Commands:{{range .}}
 var commands = []*Command{
 	buildCmd,
 	deployCmd,
+	runCmd,
 }
 
 func usage() {

cmd/warrend/main.go

@@ -2,8 +2,12 @@ package main
 
 import (
 	"fmt"
+	"github.com/dballard/warren/lib/warren"
 	"log"
 	"net"
+	"os"
+	"os/signal"
+	"syscall"
 )
 
 func cmdHandle(c net.Conn) {
@@ -23,11 +27,26 @@ func cmdHandle(c net.Conn) {
 }
 
 func main() {
-	cmdSock, err := net.Listen("unix", "/tmp/warrend.sock")
+
+	cmdSock, err := net.Listen(warren.CmdSockType(), warren.CmdSockAddr())
+	defer cmdSock.Close()
 	if err != nil {
 		log.Fatal("Listen on sock error:", err)
 	}
 
+	// Handle signals
+	c := make(chan os.Signal, 1)
+	signal.Notify(c,
+		syscall.SIGINT,
+		syscall.SIGTERM,
+		syscall.SIGQUIT,
+		syscall.SIGHUP,
+	)
+	go func() {
+		_ = <-c
+		cmdSock.Close()
+	}()
+
 	for {
 		fd, err := cmdSock.Accept()
 		fmt.Println("accept")

lib/warren/warren.go

@@ -8,6 +8,17 @@ import (
 	"strings"
 )
 
+var cmdSockType string = "unix"
+var cmdSockAddr string = "/tmp/warrend.sock"
+
+func CmdSockType() string {
+	return cmdSockType
+}
+
+func CmdSockAddr() string {
+	return cmdSockAddr
+}
+
 func GitHash() string {
 	hash, err := exec.Command("git", "rev-parse", "HEAD").Output()
 	if err != nil {