v3/hack/functions-local/main.go

76 lines
2.2 KiB
Go

package main
import (
"context"
"fmt"
"log"
"net/http"
"os"
"github.com/GoogleCloudPlatform/functions-framework-go/funcframework"
_ "github.com/joho/godotenv/autoload"
"k8s.io/klog"
botjoin "github.com/roleypoly/roleypoly/src/functions/bot-join"
createsession "github.com/roleypoly/roleypoly/src/functions/create-session"
loginbounce "github.com/roleypoly/roleypoly/src/functions/login-bounce"
loginhandler "github.com/roleypoly/roleypoly/src/functions/login-handler"
sessiondata "github.com/roleypoly/roleypoly/src/functions/session-data"
)
var mappings map[string]http.HandlerFunc = map[string]http.HandlerFunc{
"/session-data": sessiondata.SessionData,
"/bot-join": botjoin.BotJoin,
"/login-bounce": loginbounce.LoginBounce,
"/login-handler": loginhandler.LoginHandler,
"/create-session": createsession.CreateSession,
}
var port string
func main() {
ctx := context.Background()
err := funcframework.RegisterHTTPFunctionContext(ctx, "/", rootHandler)
if err != nil {
log.Fatalf("funcframework.RegisterHTTPFunctionContext: %v\n", err)
}
for path, handler := range mappings {
err := funcframework.RegisterHTTPFunctionContext(ctx, path, wrapLogging(handler))
if err != nil {
log.Fatalf("funcframework.RegisterHTTPFunctionContext: %v\n", err)
}
fmt.Println("Added", path)
}
// Use PORT environment variable, or default to 6600.
port = "6600"
if envPort := os.Getenv("PORT"); envPort != "" {
port = envPort
}
fmt.Printf("Starting on http://localhost:%s\n", port)
if err := funcframework.Start(port); err != nil {
log.Fatalf("funcframework.Start: %v\n", err)
}
}
func rootHandler(rw http.ResponseWriter, r *http.Request) {
body := `<!doctype html><meta charset="utf-8"><title>Roleypoly Functions</title><style>body{font-family: sans-serif; font-size: 1.4em}</style><h1>Function Index</h1>`
for path := range mappings {
body += fmt.Sprintf(`<a href="http://localhost:%s%s">%s</a><br>`, port, path, path)
}
fmt.Fprintln(rw, body)
}
func wrapLogging(fn func(rw http.ResponseWriter, r *http.Request)) func(rw http.ResponseWriter, r *http.Request) {
return func(rw http.ResponseWriter, r *http.Request) {
klog.Info(r.Method, " ", r.RequestURI)
fn(rw, r)
}
}