feat: list configured loggers

cmd/logger/list.go

@@ -0,0 +1,40 @@
+package logger
+
+import (
+	"log"
+	"os"
+
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/cli"
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/config"
+	"github.com/spf13/cobra"
+)
+
+var quiet bool
+
+var listLoggerCmd = &cobra.Command{
+	Use:     "ls",
+	Short:   "List internal Loggers",
+	Aliases: []string{"list"},
+	Example: "flucky logger ls",
+	Run: func(cmd *cobra.Command, args []string) {
+
+		// read configuration
+		fc, err := config.Read(cfg)
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		// print all configured remote addresses on stdout
+		cli.PrintLoggers(fc, os.Stdout)
+
+		// save new configuration
+		err = config.Write(fc, cfg)
+		if err != nil {
+			log.Fatalln(err)
+		}
+	},
+}
+
+func init() {
+	loggerCmd.AddCommand(listLoggerCmd)
+}