improve doc comments

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

internal/logger/doc.go

@@ -0,0 +1,4 @@
+/*
+Package logger contains implementations for the syft.logger.Logger interface.
+*/
+package logger

internal/logger/logrus.go

@@ -10,6 +10,7 @@ import (
 	prefixed "github.com/x-cray/logrus-prefixed-formatter"
 )
 
+// LogrusConfig contains all configurable values for the Logrus logger
 type LogrusConfig struct {
 	EnableConsole bool
 	EnableFile    bool
@@ -18,16 +19,19 @@ type LogrusConfig struct {
 	FileLocation  string
 }
 
+// LogrusLogger contains all runtime values for using Logrus with the configured output target and input configuration values.
 type LogrusLogger struct {
 	Config LogrusConfig
 	Logger *logrus.Logger
 	Output io.Writer
 }
 
+// LogrusNestedLogger is a wrapper for Logrus to enable nested logging configuration (loggers that always attach key-value pairs to all log entries)
 type LogrusNestedLogger struct {
 	Logger *logrus.Entry
 }
 
+// NewLogrusLogger creates a new LogrusLogger with the given configuration
 func NewLogrusLogger(cfg LogrusConfig) *LogrusLogger {
 	appLogger := logrus.New()
 
@@ -76,66 +80,82 @@ func NewLogrusLogger(cfg LogrusConfig) *LogrusLogger {
 	}
 }
 
+// Debugf takes a formatted template string and template arguments for the debug logging level.
 func (l *LogrusLogger) Debugf(format string, args ...interface{}) {
 	l.Logger.Debugf(format, args...)
 }
 
+// Infof takes a formatted template string and template arguments for the info logging level.
 func (l *LogrusLogger) Infof(format string, args ...interface{}) {
 	l.Logger.Infof(format, args...)
 }
 
+// Warnf takes a formatted template string and template arguments for the warning logging level.
 func (l *LogrusLogger) Warnf(format string, args ...interface{}) {
 	l.Logger.Warnf(format, args...)
 }
 
+// Errorf takes a formatted template string and template arguments for the error logging level.
 func (l *LogrusLogger) Errorf(format string, args ...interface{}) {
 	l.Logger.Errorf(format, args...)
 }
 
+// Debug logs the given arguments at the debug logging level.
 func (l *LogrusLogger) Debug(args ...interface{}) {
 	l.Logger.Debug(args...)
 }
 
+// Info logs the given arguments at the info logging level.
 func (l *LogrusLogger) Info(args ...interface{}) {
 	l.Logger.Info(args...)
 }
 
+// Warn logs the given arguments at the warning logging level.
 func (l *LogrusLogger) Warn(args ...interface{}) {
 	l.Logger.Warn(args...)
 }
 
+// Error logs the given arguments at the error logging level.
 func (l *LogrusLogger) Error(args ...interface{}) {
 	l.Logger.Error(args...)
 }
 
+// Debugf takes a formatted template string and template arguments for the debug logging level.
 func (l *LogrusNestedLogger) Debugf(format string, args ...interface{}) {
 	l.Logger.Debugf(format, args...)
 }
 
+// Infof takes a formatted template string and template arguments for the info logging level.
 func (l *LogrusNestedLogger) Infof(format string, args ...interface{}) {
 	l.Logger.Infof(format, args...)
 }
 
+// Warnf takes a formatted template string and template arguments for the warning logging level.
 func (l *LogrusNestedLogger) Warnf(format string, args ...interface{}) {
 	l.Logger.Warnf(format, args...)
 }
 
+// Errorf takes a formatted template string and template arguments for the error logging level.
 func (l *LogrusNestedLogger) Errorf(format string, args ...interface{}) {
 	l.Logger.Errorf(format, args...)
 }
 
+// Debug logs the given arguments at the debug logging level.
 func (l *LogrusNestedLogger) Debug(args ...interface{}) {
 	l.Logger.Debug(args...)
 }
 
+// Info logs the given arguments at the info logging level.
 func (l *LogrusNestedLogger) Info(args ...interface{}) {
 	l.Logger.Info(args...)
 }
 
+// Warn logs the given arguments at the warning logging level.
 func (l *LogrusNestedLogger) Warn(args ...interface{}) {
 	l.Logger.Warn(args...)
 }
 
+// Error logs the given arguments at the error logging level.
 func (l *LogrusNestedLogger) Error(args ...interface{}) {
 	l.Logger.Error(args...)
 }