Merge pull request #155 from Psychomantis71/master

Fix for the glibc issue on RHEL/Centos

Author: mroote

README.md

@@ -60,11 +60,25 @@ Usage of ./factorio-server-manager:
     	Maximum filesize for uploaded files (default 20MB). (default 20971520)
   -port string
     	Specify a port for the server. (default "8080")
-
+  -glibc-custom string 
+        Specify if custom glibc is used (default false) [true/false]
+  -glibc-loc string
+        Path to the glibc ld.so file (default "/opt/glibc-2.18/lib/ld-2.18.so")
+  -glibc-lib-loc
+        Path to the glibc lib folder (default "/opt/glibc-2.18/lib")
+  -autostart
+        Autostarts Factorio Server when FSM is starting. Default false [true/false]
+        (If no IP and/or port provided at startup, it will bind the factorio server to all interfaces 
+        and set the server port to the default 34197, always loads latest save)  
+        
 Example:
 
 ./factorio-server-manager --dir /home/user/.factorio --host 10.0.0.1
 
+Custom glibc example:
+
+./factorio-server-manager --dir /home/user/.factorio --host 10.0.0.1 --glibc-custom true --glibc-loc /opt/glibc-2.18/lib/ld-2.18.so --glibc-lib-loc /opt/glibc-2.18/lib
+
 ```
 
 ## Manage Factorio Server

src/factorio_server.go

@@ -96,8 +96,14 @@ func initFactorio() (f *FactorioServer, err error) {
 
 	log.Printf("Loaded Factorio settings from %s\n", settingsPath)
 
+	out := []byte{}
 	//Load factorio version
-	out, err := exec.Command(config.FactorioBinary, "--version").Output()
+	if config.glibcCustom == "true" {
+		out, err = exec.Command(config.glibcLocation, "--library-path", config.glibcLibLoc, config.FactorioBinary, "--version").Output()
+	} else {
+		out, err = exec.Command(config.FactorioBinary, "--version").Output()
+	}
+
 	if err != nil {
 		log.Printf("error on loading factorio version: %s", err)
 		return
@@ -163,13 +169,21 @@ func (f *FactorioServer) Run() error {
 		ioutil.WriteFile(filepath.Join(config.FactorioConfigDir, config.SettingsFile), data, 0644)
 	}
 
-	args := []string{
+	args := []string{}
+
+	//The factorio server refenences its executable-path, since we execute the ld.so file and pass the factorio binary as a parameter
+	//the game would use the path to the ld.so file as it's executable path and crash, to prevent this the parameter "--executable-path" is added
+	if config.glibcCustom == "true" {
+		log.Println("Custom glibc selected, glibc.so location:", config.glibcLocation, " lib location:", config.glibcLibLoc)
+		args = append(args, "--library-path", config.glibcLibLoc, config.FactorioBinary, "--executable-path", config.FactorioBinary)
+	}
+
+	args = append(args,
 		"--bind", (f.BindIP),
 		"--port", strconv.Itoa(f.Port),
 		"--server-settings", filepath.Join(config.FactorioConfigDir, config.SettingsFile),
 		"--rcon-port", strconv.Itoa(config.FactorioRconPort),
-		"--rcon-password", config.FactorioRconPass,
-	}
+		"--rcon-password", config.FactorioRconPass)
 
 	if(f.Version.Greater(Version{0,17,0})) {
 		args = append(args, "--server-adminlist", filepath.Join(config.FactorioConfigDir, config.FactorioAdminFile))
@@ -181,9 +195,13 @@ func (f *FactorioServer) Run() error {
 		args = append(args, "--start-server", filepath.Join(config.FactorioSavesDir, f.Savefile))
 	}
 
-	log.Println("Starting server with command: ", config.FactorioBinary, args)
-
-	f.Cmd = exec.Command(config.FactorioBinary, args...)
+	if config.glibcCustom == "true" {
+		log.Println("Starting server with command: ", config.glibcLocation, args)
+		f.Cmd = exec.Command(config.glibcLocation, args...)
+	} else {
+		log.Println("Starting server with command: ", config.FactorioBinary, args)
+		f.Cmd = exec.Command(config.FactorioBinary, args...)
+	}
 
 	f.StdOut, err = f.Cmd.StdoutPipe()
 	if err != nil {

src/main.go

@@ -35,6 +35,9 @@ type Config struct {
 	SettingsFile            string `json:"settings_file"`
 	LogFile                 string `json:"log_file"`
 	ConfFile                string
+	glibcCustom             string
+	glibcLocation           string
+	glibcLibLoc             string
 }
 
 var (
@@ -73,9 +76,14 @@ func parseFlags() {
 	factorioConfigFile := flag.String("config", "config/config.ini", "Specify location of Factorio config.ini file")
 	factorioMaxUpload := flag.Int64("max-upload", 1024*1024*20, "Maximum filesize for uploaded files (default 20MB).")
 	factorioBinary := flag.String("bin", "bin/x64/factorio", "Location of Factorio Server binary file")
+	glibcCustom := flag.String("glibc-custom", "false", "By default false, if custom glibc is required set this to true and add glibc-loc and glibc-lib-loc parameters")
+	glibcLocation := flag.String("glibc-loc", "/opt/glibc-2.18/lib/ld-2.18.so", "Location glibc ld.so file if needed (ex. /opt/glibc-2.18/lib/ld-2.18.so)")
+	glibcLibLoc := flag.String("glibc-lib-loc", "/opt/glibc-2.18/lib", "Location of glibc lib folder (ex. /opt/glibc-2.18/lib)")
 
 	flag.Parse()
-
+	config.glibcCustom = *glibcCustom
+	config.glibcLocation = *glibcLocation
+	config.glibcLibLoc = *glibcLibLoc
 	config.ConfFile = *confFile
 	config.FactorioDir = *factorioDir
 	config.ServerIP = *serverIP
@@ -123,7 +131,7 @@ func main() {
 
 	// Initialize HTTP router
 	router := NewRouter()
-
 	log.Printf("Starting server on: %s:%s", config.ServerIP, config.ServerPort)
 	log.Fatal(http.ListenAndServe(config.ServerIP+":"+config.ServerPort, router))
+
 }