misc: move Config to mutate/config.go

config.example.yaml

@@ -0,0 +1,8 @@
+port: 8443
+# change tlsdirpath path accordingly if you change this
+tlskeypath: "/tls/key.pem"
+ignoreimages:
+  - registry
+  - registry.example.com/toto/k8s-proxy-image-swapper
+# change tlsdirpath path accordingly if you change this
+tlscertpath: "/tls/cert.pem"

main.go

@@ -49,32 +49,26 @@ func handleMutation(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-type Config struct {
-	TLSCertPath string `yaml:"tlscertpath"`
-	TLSKeyPath  string `yaml:"tlskeypath"`
-	Port        string `yaml:"port"`
-}
-
 func main() {
 	if len(os.Args) == 1 {
-		fmt.Errorf("Usage : %v $CONFIG_FILE_PATH", os.Args[0])
+		log.Fatalf("Usage : %v $CONFIG_FILE_PATH\n", os.Args[0])
 		return
 	}
 	configFile, err := os.Open(os.Args[1])
 	if err != nil {
-		fmt.Errorf("Error opening %v : %v", os.Args[1], err)
-		return
+		log.Fatalf("Error opening %v : %v\n", os.Args[1], err)
 	}
 	defer configFile.Close()
 
-	var config Config
+	var config m.Config
 	decoder := yaml.NewDecoder(configFile)
 	err = decoder.Decode(&config)
 	if err != nil {
-		fmt.Errorf("Error reading config : %v", err)
-		return
+		log.Fatalf("Error reading config : %v\n", err)
 	}
 
+	m.Configuration = config
+
 	log.Println("Starting server ...")
 
 	mux := http.NewServeMux()
@@ -83,7 +77,7 @@ func main() {
 	mux.HandleFunc("/mutate", handleMutation)
 
 	s := &http.Server{
-		Addr:           config.Port,
+		Addr:           ":" + config.Port,
 		Handler:        mux,
 		ReadTimeout:    10 * time.Second,
 		WriteTimeout:   10 * time.Second,

mutate/config.go

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: Apache-2.0
+package mutate
+
+type Config struct {
+	TLSCertPath  string   `yaml:"tlscertpath"`
+	TLSKeyPath   string   `yaml:"tlskeypath"`
+	Port         string   `yaml:"port"`
+	IgnoreImages []string `yaml:"ignoreimages"`
+}
+
+var Configuration Config