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69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
package viper
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import (
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"context"
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slog "github.com/sagikazarmark/slog-shim"
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)
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// Logger is a unified interface for various logging use cases and practices, including:
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// - leveled logging
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// - structured logging
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//
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// Deprecated: use `log/slog` instead.
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type Logger interface {
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// Trace logs a Trace event.
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//
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// Even more fine-grained information than Debug events.
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// Loggers not supporting this level should fall back to Debug.
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Trace(msg string, keyvals ...any)
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// Debug logs a Debug event.
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//
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// A verbose series of information events.
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// They are useful when debugging the system.
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Debug(msg string, keyvals ...any)
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// Info logs an Info event.
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//
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// General information about what's happening inside the system.
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Info(msg string, keyvals ...any)
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// Warn logs a Warn(ing) event.
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//
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// Non-critical events that should be looked at.
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Warn(msg string, keyvals ...any)
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// Error logs an Error event.
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//
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// Critical events that require immediate attention.
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// Loggers commonly provide Fatal and Panic levels above Error level,
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// but exiting and panicking is out of scope for a logging library.
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Error(msg string, keyvals ...any)
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}
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// WithLogger sets a custom logger.
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func WithLogger(l *slog.Logger) Option {
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return optionFunc(func(v *Viper) {
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v.logger = l
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})
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}
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type discardHandler struct{}
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func (n *discardHandler) Enabled(_ context.Context, _ slog.Level) bool {
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return false
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}
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func (n *discardHandler) Handle(_ context.Context, _ slog.Record) error {
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return nil
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}
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func (n *discardHandler) WithAttrs(_ []slog.Attr) slog.Handler {
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return n
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}
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func (n *discardHandler) WithGroup(_ string) slog.Handler {
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return n
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}
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