Add dummy server for testing

Dockerfile

@@ -8,24 +8,12 @@ COPY ./go.mod /app
 COPY ./go.sum /app
 
 RUN go build -o /app/main /app/src/main.go 
-RUN go build -o /app/cmd /app/src/cmd.go 
+RUN go build -o /app/cmd /app/src/cmd/cmd.go 
 
 
-FROM openjdk:$VERSION
+FROM debian
-
-ENV MIN_MEM=512M
-ENV MAX_MEM=1G
-ENV STOP="stop"
-ENV JAR=server.jar
-ENV REGEX=""
 
 COPY --from=builder /app/main /main
 COPY --from=builder /app/cmd /usr/local/bin/cmd
-
+EXPOSE 8081
-EXPOSE 25565
-
-VOLUME [ "/server" ]
-
-WORKDIR /server
-
 CMD [ "/main" ]

build.sh

@@ -1,2 +0,0 @@
-#!/bin/sh
-sudo docker build -t magmise/minecraft:latest .

docker-compose.yml

@@ -1,20 +1,13 @@
 version: '3.7'
 
 services:
-    minecraft:
+    dummy:
-      image: magmise/minecraft:latest
+      image: magmise/dummy
-      container_name: minecraft
+      container_name: dummy
       build: .
       restart: unless-stopped
-      environment: 
-        MIN_MEM: 1G
-        MAX_MEM: 1G
-        STOP: stop
-        JAR: server.jar
-        REGEX: "Preparing spawn area:"
-      ports:
-        - 25565:25565
-      volumes: 
-        - ./server/:/server
       stdin_open: true
       tty: true
+      ports:
+        - 8081:8081
+

get_minecraft.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-
-mkdir server
-wget https://launcher.mojang.com/v1/objects/35139deedbd5182953cf1caa23835da59ca3d7cd/server.jar -O server/server.jar
-echo eula=true > server/eula.txt

go.mod

@@ -1,14 +1,5 @@
-module minecrafttty
+module dummy
 
-go 1.15
+go 1.17
 
-require (
+require github.com/creack/pty v1.1.17
-	github.com/creack/pty v1.1.11
-	github.com/gorilla/mux v1.8.0
-	github.com/gorilla/websocket v1.4.2
-	github.com/hpcloud/tail v1.0.0
-	github.com/kr/pty v1.1.8
-	github.com/sirupsen/logrus v1.6.0
-	gopkg.in/fsnotify.v1 v1.4.7 // indirect
-	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
-)

go.sum

@@ -1,23 +1,2 @@
-github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
+github.com/creack/pty v1.1.17 h1:QeVUsEDNrLBW4tMgZHvxy18sKtr6VI492kBhUfhDJNI=
-github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw=
+github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
-github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
-github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
-github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
-github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
-github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/kr/pty v1.1.8 h1:AkaSdXYQOWeaO3neb8EM634ahkXXe3jYbVh/F9lq+GI=
-github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/sirupsen/logrus v1.6.0 h1:UBcNElsrwanuuMsnGSlYmtmgbb23qDR5dG+6X6Oo89I=
-github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
-github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/pU5OE2C0WrNTOYK1Uuc=
-golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=

src/main.go

@@ -4,17 +4,12 @@ import (
 	"bufio"
 	"fmt"
 	"io"
+	"log"
 	"net"
 	"os"
-	"os/exec"
 	"os/signal"
-	"strings"
 	"syscall"
-	"log"
+	"time"
-	"regexp"
-	"bytes"
-
-	"github.com/creack/pty"
 )
 
 func main() {
@@ -22,67 +17,10 @@ func main() {
 	sigs := make(chan os.Signal, 1)
 	signal.Notify(sigs, syscall.SIGTERM)
 
-	//get environmental variables
-	var minram, maxram, args, stop, jar, regex string
-	for _, e := range os.Environ() {
-		pair := strings.SplitN(e, "=", 2)
-		switch pair[0] {
-		case "MIN_MEM":
-			minram = "-Xms" + pair[1]
-		case "MAX_MEM":
-			maxram = "-Xmx" + pair[1]
-		case "ARGS":
-			args = pair[1]
-		case "STOP":
-			stop = pair[1]
-		case "JAR":
-			jar = pair[1]
-		case "REGEX":
-			regex = pair[1]
-		}
-	}
-
-	//create command
-	var cmdversion *exec.Cmd
-	cmdversion = exec.Command("java", "--version")
-	var out bytes.Buffer
-	cmdversion.Stdout = &out
-	cmdversion.Run()
-	log.Println(out.String())
-
-	log.Printf("Ram: Min: %s Max: %s Stop: %s Jar: %s\n\r", minram, maxram, stop, jar)
-
-	//check if there is a server jar
-	if _, err := os.Stat("/server/"+jar); os.IsNotExist(err) {
-		log.Println("\033[31mJar \"" + jar + "\" not found\033[0m")
-		os.Exit(1)
-	}
-	
-	var cmd *exec.Cmd
-	
-	if args == "" {
-		cmd = exec.Command("java", minram, maxram, "-jar", jar)
-	} else {
-		cmd = exec.Command("java", minram, maxram, args, "-jar", jar)
-		log.Printf("Args: %s \n\r", args)
-	}
-
-	//start server
-	cmd.Dir = "/server"
-	tty, err := pty.Start(cmd)
-	
-	if err != nil {
-		panic(err)
-	
-	}
-
 	ln, _ := net.Listen("tcp", ":8081")
 
 	//cleanup
 	defer func() {
-		cmd.Process.Kill()
-		cmd.Process.Wait()
-		tty.Close()
 		ln.Close()
 	}()
 
@@ -91,7 +29,7 @@ func main() {
 		sig := <-sigs
 		if sig == syscall.SIGTERM {
 			fmt.Println("\033[31mStopping server\033[0m")
-			tty.WriteString(stop + "\n\r")
+			os.Exit(0)
 		}
 	}()
 
@@ -104,39 +42,25 @@ func main() {
 			if err != nil {
 				continue
 			}
-			go handleClient(conn, tty)
+			go handleClient(conn)
-		}
-	}()
-
-	//copy to standard out. If the the is a regex pattern, do output anything that matches
-	go func() {
-		filter := regexp.MustCompile(regex)
-		if(regex != "") {
-			scanner := bufio.NewScanner(tty)
-			for scanner.Scan() {
-				text := scanner.Text()
-				if(!filter.MatchString(text)) {
-					fmt.Println(text)
-				}
-			}
-		} else { //don't filter
-			io.Copy(os.Stdout, tty)
 		}
 	}()
 
 	//copy stdin
 	go func() {
-		io.Copy(tty, os.Stdin)
+		io.Copy(os.Stdout, os.Stdin)
 	}()
-
+	i := 0
-	cmd.Wait() //wait for server to stop
+	for {
-	tty.Write([]byte("\033[31mServer Stopped\033[0m"))
+		fmt.Printf("Hello %d \n", i)
-	os.Exit(0)
+		i += 1
+		time.Sleep(time.Second)
+	}
 }
 
 //take commands from cmd.go and send it to sdtin of the server
-func handleClient(conn net.Conn, tty *os.File) {
+func handleClient(conn net.Conn) {
 	defer conn.Close()
 	cmd, _ := bufio.NewReader(conn).ReadString('\n')
-	tty.Write([]byte(cmd))
+	fmt.Println(cmd)
 }