feat: add audit exporting and filtering (#1314)

coderd/audit/backends/slog.go

@@ -0,0 +1,34 @@
+package backends
+
+import (
+	"context"
+
+	"github.com/fatih/structs"
+
+	"cdr.dev/slog"
+	"github.com/coder/coder/coderd/audit"
+	"github.com/coder/coder/coderd/database"
+)
+
+type slogBackend struct {
+	log slog.Logger
+}
+
+func NewSlog(logger slog.Logger) audit.Backend {
+	return slogBackend{log: logger}
+}
+
+func (slogBackend) Decision() audit.FilterDecision {
+	return audit.FilterDecisionExport
+}
+
+func (b slogBackend) Export(ctx context.Context, alog database.AuditLog) error {
+	m := structs.Map(alog)
+	fields := make([]slog.Field, 0, len(m))
+	for k, v := range m {
+		fields = append(fields, slog.F(k, v))
+	}
+
+	b.log.Info(ctx, "audit_log", fields...)
+	return nil
+}