InitLogger initializes DM's and also the TiDB library's loggers.

L returns the current logger for DM.

Props returns the current logger's props.

SetLevel modifies the log level of the global logger.

ShortError contructs a field which only records the error message without the verbose text (i.e.

With creates a child logger from the global logger and adds structured context to it.

WrapStringerField returns a wrap stringer field.

Config serializes log related config in toml/json.

Logger is a simple wrapper around *zap.Logger which provides some extra methods to simplify DM's log usage.