2015-08-28 16:09:22 +00:00
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package main
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import (
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"github.com/gorilla/mux"
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"github.com/tylerb/graceful"
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"net/http"
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"fmt"
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"os"
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2015-09-01 20:28:24 +00:00
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"github.com/mailgun/oxy/forward"
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"github.com/mailgun/oxy/roundrobin"
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"github.com/mailgun/oxy/testutils"
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2015-08-28 16:09:22 +00:00
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"time"
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"net"
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"os/signal"
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"syscall"
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2015-09-01 20:28:24 +00:00
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"github.com/BurntSushi/toml"
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2015-08-28 16:09:22 +00:00
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)
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2015-09-01 20:28:24 +00:00
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type Backend struct {
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Name string
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Servers []string
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}
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type Server struct {
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Name string
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Url string
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}
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type Rule struct {
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Category string
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Value string
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}
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type Route struct {
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Name string
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Rules map[string]Rule
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}
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type Config struct {
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Backends []Backend
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Servers []Server
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Routes []Route
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}
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2015-08-28 16:09:22 +00:00
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var srv *graceful.Server
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func main() {
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2015-09-01 20:28:24 +00:00
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var config Config
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if _, err := toml.DecodeFile("tortuous.toml", &config); err != nil {
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fmt.Println(err)
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return
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}
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fmt.Printf("%+v\n", config )
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2015-08-28 16:09:22 +00:00
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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systemRouter := mux.NewRouter()
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systemRouter.Methods("POST").Path("/").HandlerFunc(ReloadHandler)
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systemRouter.Methods("GET").Path("/").HandlerFunc(GetPidHandler)
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2015-09-01 20:28:24 +00:00
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go http.ListenAndServe(":8000", systemRouter)
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2015-08-28 16:09:22 +00:00
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2015-09-01 20:28:24 +00:00
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fwd, _ := forward.New()
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lb, _ := roundrobin.New(fwd)
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lb.UpsertServer(testutils.ParseURI("http://172.17.0.2:80"))
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lb.UpsertServer(testutils.ParseURI("http://172.17.0.3:80"))
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userRouter := mux.NewRouter()
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userRouter.Host("test.zenika.fr").Handler(lb)
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2015-08-28 16:09:22 +00:00
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goAway := false
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go func() {
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sig := <-sigs
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fmt.Println("I have to go...", sig)
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goAway = true
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srv.Stop(10 * time.Second)
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}()
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for{
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if (goAway){
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break
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}
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fmt.Println("Started")
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srv = &graceful.Server{
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Timeout: 10 * time.Second,
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NoSignalHandling: true,
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ConnState: func(conn net.Conn, state http.ConnState) {
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fmt.Println( "Connection ", state)
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},
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Server: &http.Server{
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Addr: ":8001",
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Handler: userRouter,
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},
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}
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go srv.ListenAndServe()
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<- srv.StopChan()
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fmt.Println("Stopped")
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}
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}
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func ReloadHandler(rw http.ResponseWriter, r *http.Request) {
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srv.Stop(10 * time.Second)
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}
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func GetPidHandler(rw http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(rw, "%d", os.Getpid())
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}
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