cmd/cli: add internal logging

So in case of no logging enabled, useful data could be sent to ControlD
server for further troubleshooting.

cmd/cli/cli.go

@@ -1100,6 +1100,8 @@ NOTE: Uninstalling will set DNS to values provided by DHCP.`,
 		},
 	}
 	rootCmd.AddCommand(upgradeCmd)
+
+	initLogCmd()
 }
 
 // isMobile reports whether the current OS is a mobile platform.
@@ -1231,6 +1233,9 @@ func run(appCallback *AppCallback, stopCh chan struct{}) {
 	// so it's able to log information in processCDFlags.
 	initLogging()
 
+	// Initializing internal logging after global logging.
+	p.initInternalLogging()
+
 	mainLog.Load().Info().Msgf("starting ctrld %s", curVersion())
 	mainLog.Load().Info().Msgf("os: %s", osVersion())