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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "github.com/rs/zerolog" | ||
| "github.com/rs/zerolog/log" | ||
| "github.com/scalescape/dolores/monitor" | ||
| "github.com/urfave/cli/v2" | ||
| ) | ||
|
|
||
| type baseCommand struct { | ||
| *cli.Command | ||
| log zerolog.Logger | ||
| } | ||
|
|
||
| type Monitor struct { | ||
| baseCommand | ||
| } | ||
|
|
||
| func (m Monitor) Daemon(cctx *cli.Context) error { | ||
| m.log.Info().Msgf("I'm here") | ||
| cfg := monitor.Config{Port: cctx.Int("port"), Host: cctx.String("host")} | ||
| pr := monitor.NewProxy(cfg) | ||
| pr.Start() | ||
| return nil | ||
| } | ||
|
|
||
| func monitorCommand(action cli.ActionFunc) *cli.Command { | ||
| return &cli.Command{ | ||
| Name: "monitor", | ||
| Usage: "daemon to monitor HTTP API", | ||
| Flags: []cli.Flag{ | ||
| &cli.StringFlag{ | ||
| Name: "host", | ||
| Value: "localhost", | ||
| }, | ||
| &cli.IntFlag{ | ||
| Name: "port", | ||
| Aliases: []string{"p"}, | ||
| Value: 9980, | ||
| }, | ||
| &cli.IntFlag{ | ||
| Name: "watch", | ||
| Aliases: []string{"w"}, | ||
| Required: true, | ||
| }, | ||
| }, | ||
| Action: action, | ||
| } | ||
| } | ||
|
|
||
| func NewMonitor() *cli.Command { | ||
| mon := Monitor{ | ||
| baseCommand: baseCommand{ | ||
| log: log.With().Str("cmd", "config").Logger(), | ||
| }, | ||
| } | ||
| return monitorCommand(mon.Daemon) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package monitor | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
| "time" | ||
|
|
||
| "github.com/gorilla/mux" | ||
| "github.com/rs/zerolog/log" | ||
| ) | ||
|
|
||
| type Proxy struct { | ||
| cfg Config | ||
| } | ||
|
|
||
| type Config struct { | ||
| Port int | ||
| Host string | ||
| } | ||
|
|
||
| func (s Config) Address() string { | ||
| return fmt.Sprintf("%s:%d", s.Host, s.Port) | ||
| } | ||
|
|
||
| func router() *mux.Router { | ||
| m := mux.NewRouter() | ||
| //m.Use(mux.MiddlewareFunc(contentWriter)) | ||
| m.Use(mux.CORSMethodMiddleware(m)) | ||
| //m.Use(mux.MiddlewareFunc(accessController)) | ||
| m.HandleFunc("/.*", GenericHandler) | ||
| return m | ||
| } | ||
|
|
||
| func GenericHandler(w http.ResponseWriter, r *http.Request) { | ||
| w.Write([]byte("/ping")) | ||
| log.Info().Msgf("got request: %s", r.URL) | ||
| } | ||
|
|
||
| func (p Proxy) Start() { | ||
| addr := p.cfg.Address() | ||
| log.Info().Msgf("[Main] listening on address %s", addr) | ||
| server := &http.Server{ | ||
| ReadTimeout: 2 * time.Second, | ||
| Addr: addr, | ||
| Handler: http.HandlerFunc(GenericHandler), | ||
| } | ||
| go func(server *http.Server) { | ||
| err := server.ListenAndServe() | ||
| if err != nil { | ||
| log.Fatal().Msgf("[Main] error listening for rerquests on port: %s err: %v\n", addr, err) | ||
| } | ||
| }(server) | ||
|
|
||
| <-watchSignal() | ||
| // stop HTTP server | ||
| ctx, canc := context.WithTimeout(context.Background(), 5*time.Second) | ||
| defer canc() | ||
| if err := server.Shutdown(ctx); err != nil { | ||
| log.Error().Msgf("[Main] error shutting down server\n") | ||
| } | ||
|
|
||
| } | ||
|
|
||
| func watchSignal() chan os.Signal { | ||
| stop := make(chan os.Signal, 2) | ||
| signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM) | ||
| return stop | ||
| } | ||
|
|
||
| func NewProxy(cfg Config) Proxy { return Proxy{cfg} } |