docker alpine

Dockerfile

@@ -1,10 +1,17 @@
-FROM ubuntu:20.04
+FROM golang:alpine AS builder
 
-RUN apt update && apt install -y arp-scan && apt clean \
+RUN apk add build-base
+COPY src /src
+RUN cd /src && go build .
+
+
+FROM alpine
+
+RUN apk add arp-scan \
     && mkdir /data
 
 COPY src/templates /app/templates
-COPY src/watchyourlan /app/
+COPY --from=builder /src/watchyourlan /app/
 
 EXPOSE 8840
 

Dockerfile.ubuntu

@@ -0,0 +1,13 @@
+FROM ubuntu:20.04
+
+RUN apt update && apt install -y arp-scan && apt clean \
+    && mkdir /data
+
+COPY src/templates /app/templates
+COPY src/watchyourlan /app/
+
+EXPOSE 8840
+
+WORKDIR /app
+
+ENTRYPOINT ["./watchyourlan"]

Makefile

@@ -1,7 +1,7 @@
 DUSER=aceberg
 DNAME=watchyourlan
 
-VERSION=0.4
+VERSION=0.5
 
 mod:
 	cd src && \

src/compare.go

@@ -16,7 +16,7 @@ func host_in_db(host Host, dbHosts []Host) bool {
 	return false
 }
 
-func db_compare(foundHosts []Host, dbHosts []Host) {
+func hosts_compare(foundHosts []Host, dbHosts []Host) {
 	// fmt.Println("Found hosts:", foundHosts)
 	// fmt.Println("DB hosts:", dbHosts)
 

src/getconfig.go

@@ -10,6 +10,7 @@ func get_config(path string) (config Conf) {
 	viper.SetDefault("DBPATH", "/data/db.sqlite")
 	viper.SetDefault("GUIIP", "localhost")
 	viper.SetDefault("GUIPORT", "8840")
+	viper.SetDefault("TIMEOUT", "60")
 
     viper.SetConfigFile(path)
 	viper.SetConfigType("env")
@@ -21,6 +22,7 @@ func get_config(path string) (config Conf) {
 	config.DbPath = viper.Get("DBPATH").(string)
 	config.GuiIP = viper.Get("GUIIP").(string)
 	config.GuiPort = viper.Get("GUIPORT").(string)
+	config.Timeout = viper.GetInt("TIMEOUT")
 
     // fmt.Println(viper.Get("DBPATH"))
 

src/main.go

@@ -1,8 +1,9 @@
 package main
 
-// import (
-//     "fmt"
-// )
+import (
+    // "fmt"
+    "time"
+)
 
 type Host struct {
     Id    uint16
@@ -20,21 +21,32 @@ type Conf struct {
     DbPath  string
     GuiIP   string
     GuiPort string
+    Timeout int
 }
 
 var AppConfig Conf
 var AllHosts []Host
 
+func scan() {
+    for {
+        foundHosts := parse_output(scan_iface(AppConfig.Iface))
+        dbHosts := db_select()
+        db_setnow()
+        hosts_compare(foundHosts, dbHosts)
+
+        AllHosts = db_select()
+        // fmt.Println("Refresh")
+        time.Sleep(time.Duration(AppConfig.Timeout) * time.Second)
+    }
+}
+
 func main() {
+    AllHosts = []Host{}
     AppConfig = get_config("./data/config")
     db_create()
-
-    foundHosts := parse_output(scan_iface(AppConfig.Iface))
-    dbHosts := db_select()
-    db_setnow()
-    db_compare(foundHosts, dbHosts)
-
-    AllHosts = db_select()
     
+    // fmt.Println("Timeout: ", AppConfig.Timeout)
+    go scan()
+
     webgui()
 }

src/templates/header.html

@@ -4,7 +4,7 @@
     <title>Watch Your LAN</title>
     <meta charset="utf-8">
     <!--Auto refresh (seconds)-->
-    <!-- <meta http-equiv="refresh" content="10"> -->
+    <!-- <meta http-equiv="refresh" content="60"> -->
     <!--Favicon-->
     <link href="data:image/x-icon;base64,AAABAAEAEBAQAAEABAAoAQAAFgAAACgAAAAQAAAAIAAAAAEABAAAAAAAgAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAA/6k7AP+uSQD/z50A7urjAD85MgAAOO8AWlpaAADIawAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADEREQAAAAAzEREREQAAAzEREREREAAzFxEREVERADN3d3VVVREDM3d3dYVlERMzd3d1VVUREzM3ERESERETMzcRESERERMzNxESMREREzM3ESNEQREwMzcSMxEREwAzNyM0REQzAAMzMzMzMzAAADMzMzMzAAAAADMzMwAAD4HwAA4AcAAMADAACAAQAAgAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIABAACAAQAAwAMAAOAHAAD4HwAA" rel="icon" type="image/x-icon" />
     <!--Bootstrap theme-->