Files
netbird/idp/dex/logrus_handler.go
2026-01-09 09:41:27 -05:00

114 lines
2.7 KiB
Go

package dex
import (
"context"
"log/slog"
"github.com/sirupsen/logrus"
"github.com/netbirdio/netbird/formatter"
)
// LogrusHandler is an slog.Handler that delegates to logrus.
// This allows Dex to use the same log format as the rest of NetBird.
type LogrusHandler struct {
logger *logrus.Logger
attrs []slog.Attr
groups []string
}
// NewLogrusHandler creates a new slog handler that wraps logrus with NetBird's text formatter.
func NewLogrusHandler(level slog.Level) *LogrusHandler {
logger := logrus.New()
formatter.SetTextFormatter(logger)
// Map slog level to logrus level
switch level {
case slog.LevelDebug:
logger.SetLevel(logrus.DebugLevel)
case slog.LevelInfo:
logger.SetLevel(logrus.InfoLevel)
case slog.LevelWarn:
logger.SetLevel(logrus.WarnLevel)
case slog.LevelError:
logger.SetLevel(logrus.ErrorLevel)
default:
logger.SetLevel(logrus.WarnLevel)
}
return &LogrusHandler{logger: logger}
}
// Enabled reports whether the handler handles records at the given level.
func (h *LogrusHandler) Enabled(_ context.Context, level slog.Level) bool {
switch level {
case slog.LevelDebug:
return h.logger.IsLevelEnabled(logrus.DebugLevel)
case slog.LevelInfo:
return h.logger.IsLevelEnabled(logrus.InfoLevel)
case slog.LevelWarn:
return h.logger.IsLevelEnabled(logrus.WarnLevel)
case slog.LevelError:
return h.logger.IsLevelEnabled(logrus.ErrorLevel)
default:
return true
}
}
// Handle handles the Record.
func (h *LogrusHandler) Handle(_ context.Context, r slog.Record) error {
fields := make(logrus.Fields)
// Add pre-set attributes
for _, attr := range h.attrs {
fields[attr.Key] = attr.Value.Any()
}
// Add record attributes
r.Attrs(func(attr slog.Attr) bool {
fields[attr.Key] = attr.Value.Any()
return true
})
entry := h.logger.WithFields(fields)
switch r.Level {
case slog.LevelDebug:
entry.Debug(r.Message)
case slog.LevelInfo:
entry.Info(r.Message)
case slog.LevelWarn:
entry.Warn(r.Message)
case slog.LevelError:
entry.Error(r.Message)
default:
entry.Info(r.Message)
}
return nil
}
// WithAttrs returns a new Handler with the given attributes added.
func (h *LogrusHandler) WithAttrs(attrs []slog.Attr) slog.Handler {
newAttrs := make([]slog.Attr, len(h.attrs)+len(attrs))
copy(newAttrs, h.attrs)
copy(newAttrs[len(h.attrs):], attrs)
return &LogrusHandler{
logger: h.logger,
attrs: newAttrs,
groups: h.groups,
}
}
// WithGroup returns a new Handler with the given group appended to the receiver's groups.
func (h *LogrusHandler) WithGroup(name string) slog.Handler {
newGroups := make([]string, len(h.groups)+1)
copy(newGroups, h.groups)
newGroups[len(h.groups)] = name
return &LogrusHandler{
logger: h.logger,
attrs: h.attrs,
groups: newGroups,
}
}