Simple Go Server

router.go

package main

import (
    "fmt"
    "net/http"
    "io/ioutil"
)

func main() {
    http.HandleFunc("/devices", HandleDeviceRequest)
    http.ListenAndServe(":8080", nil)
}

func HandleDeviceRequest(w http.ResponseWriter, r *http.Request) {
    data, err := ioutil.ReadFile("/var/lib/misc/dnsmasq.leases")
    if err != nil {
        fmt.Println("Unable to read dnsmasq.leases file", err)
        return
    }
    fmt.Printf("Response: %s", string(data))
    w.Write(data)
}