caddy wip (#330)

cmd/zrok/caddy.go

@@ -1,8 +1,11 @@
 package main
 
 import (
+	"fmt"
 	"github.com/caddyserver/caddy/v2"
+	"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
 	"github.com/spf13/cobra"
+	"os"
 	"time"
 )
 
@@ -16,17 +19,36 @@ type caddyCommand struct {
 
 func newCaddyCommand() *caddyCommand {
 	cmd := &cobra.Command{
-		Use:   "caddy",
+		Use:   "caddy <configPath>",
 		Short: "Run an embedded caddy backend",
-		Args:  cobra.ExactArgs(0),
+		Args:  cobra.ExactArgs(1),
 	}
 	command := &caddyCommand{cmd: cmd}
 	cmd.Run = command.run
 	return command
 }
 
-func (cmd *caddyCommand) run(_ *cobra.Command, _ []string) {
-	caddy.Run(&caddy.Config{})
+func (cmd *caddyCommand) run(_ *cobra.Command, args []string) {
+	if err := caddy.Run(&caddy.Config{}); err != nil {
+		panic(err)
+	}
+
+	data, err := os.ReadFile(args[0])
+	if err != nil {
+		panic(err)
+	}
+	var adapter caddyfile.Adapter
+	cfg, warn, err := adapter.Adapt(data, map[string]interface{}{"filename": args[0]})
+	if err != nil {
+		panic(err)
+	}
+	for _, w := range warn {
+		fmt.Println(w.Message)
+	}
+	fmt.Printf("cfg: %v\n", cfg)
+	if err := caddy.Load(cfg, true); err != nil {
+		panic(err)
+	}
 	for {
 		time.Sleep(30 * time.Minute)
 	}

etc/Caddyfile

@@ -1,6 +1,7 @@
-:2015 {
+servers :2015 {
 	route / {
 		visitor_ip "stderr"
 	}
 	respond "hello, world!"
+	protocols h1 h2c
 }