all: eliminate usage of global ProxyLogger

So setting up logging for ctrld binary and ctrld packages could be done
more easily, decouple the required setup for interactive vs daemon
running.

This is the first step toward replacing rs/zerolog libary with a
different logging library.

cmd/cli/main.go

@@ -40,7 +40,7 @@ var (
 	cleanup           bool
 	startOnly         bool
 
-	mainLog       atomic.Pointer[zerolog.Logger]
+	mainLog       atomic.Pointer[ctrld.Logger]
 	consoleWriter zerolog.ConsoleWriter
 	noConfigStart bool
 )
@@ -54,7 +54,7 @@ const (
 
 func init() {
 	l := zerolog.New(io.Discard)
-	mainLog.Store(&l)
+	mainLog.Store(&ctrld.Logger{Logger: &l})
 }
 
 func Main() {
@@ -87,16 +87,14 @@ func initConsoleLogging() {
 	})
 	multi := zerolog.MultiLevelWriter(consoleWriter)
 	l := mainLog.Load().Output(multi).With().Timestamp().Logger()
-	mainLog.Store(&l)
+	mainLog.Store(&ctrld.Logger{Logger: &l})
 
 	switch {
 	case silent:
 		zerolog.SetGlobalLevel(zerolog.NoLevel)
 	case verbose == 1:
-		ctrld.ProxyLogger.Store(&l)
 		zerolog.SetGlobalLevel(zerolog.InfoLevel)
 	case verbose > 1:
-		ctrld.ProxyLogger.Store(&l)
 		zerolog.SetGlobalLevel(zerolog.DebugLevel)
 	default:
 		zerolog.SetGlobalLevel(zerolog.NoticeLevel)
@@ -113,8 +111,6 @@ func initInteractiveLogging() {
 	zerolog.TimeFieldFormat = time.RFC3339 + ".000"
 	initLoggingWithBackup(false)
 	cfg.Service.LogPath = old
-	l := zerolog.New(io.Discard)
-	ctrld.ProxyLogger.Store(&l)
 }
 
 // initLoggingWithBackup initializes log setup base on current config.
@@ -153,9 +149,7 @@ func initLoggingWithBackup(doBackup bool) []io.Writer {
 	writers = append(writers, consoleWriter)
 	multi := zerolog.MultiLevelWriter(writers...)
 	l := mainLog.Load().Output(multi).With().Logger()
-	mainLog.Store(&l)
-	// TODO: find a better way.
-	ctrld.ProxyLogger.Store(&l)
+	mainLog.Store(&ctrld.Logger{Logger: &l})
 
 	zerolog.SetGlobalLevel(zerolog.NoticeLevel)
 	logLevel := cfg.Service.LogLevel