djpbessems
962f933fb7
Some checks reported errors
continuous-integration/drone Build encountered an error
76 lines
1.4 KiB
Go
76 lines
1.4 KiB
Go
package main
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/gorilla/mux"
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)
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func handler(w http.ResponseWriter, r *http.Request) {
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query := r.URL.Query()
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name := query.Get("name")
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if name == "" {
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name = "Guest"
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}
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log.Printf("Received request for %s\n", name)
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w.Write([]byte(fmt.Sprintf("Hello, %s\n", name)))
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}
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func healthHandler(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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}
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func readinessHandler(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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}
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func main() {
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// Create Server and Route Handlers
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r := mux.NewRouter()
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r.HandleFunc("/", handler)
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r.HandleFunc("/health", healthHandler)
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r.HandleFunc("/readiness", readinessHandler)
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srv := &http.Server{
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Handler: r,
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Addr: ":8080",
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 10 * time.Second,
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}
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// Start Server
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go func() {
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log.Println("Starting Server")
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if err := srv.ListenAndServe(); err != nil {
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log.Fatal(err)
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}
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}()
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// Graceful Shutdown
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waitForShutdown(srv)
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}
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func waitForShutdown(srv *http.Server) {
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interruptChan := make(chan os.Signal, 1)
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signal.Notify(interruptChan, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
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// Block until we receive our signal.
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<-interruptChan
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// create a deadline to wait for.
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
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defer cancel()
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srv.Shutdown(ctx)
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log.Println("Shutting down")
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os.Exit(0)
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}
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