Increase upload multipart limit for raw export bundles

internal/server/handlers.go

@@ -14,6 +14,7 @@ import (
 	"path/filepath"
 	"regexp"
 	"sort"
+	"strconv"
 	"strings"
 	"time"
 
@@ -46,8 +47,7 @@ func (s *Server) handleIndex(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *Server) handleUpload(w http.ResponseWriter, r *http.Request) {
-	// Max 100MB file
-	if err := r.ParseMultipartForm(100 << 20); err != nil {
+	if err := r.ParseMultipartForm(uploadMultipartMaxBytes()); err != nil {
 		jsonError(w, "File too large", http.StatusBadRequest)
 		return
 	}
@@ -143,6 +143,29 @@ func (s *Server) handleUpload(w http.ResponseWriter, r *http.Request) {
 	})
 }
 
+func uploadMultipartMaxBytes() int64 {
+	// Large Redfish raw bundles can easily exceed 100 MiB once raw trees and logs
+	// are embedded. Keep the default high but bounded for a normal workstation.
+	const (
+		defMB = 512
+		minMB = 100
+		maxMB = 2048
+	)
+	mb := defMB
+	if v := strings.TrimSpace(os.Getenv("LOGPILE_UPLOAD_MAX_MB")); v != "" {
+		if n, err := strconv.Atoi(v); err == nil {
+			if n < minMB {
+				n = minMB
+			}
+			if n > maxMB {
+				n = maxMB
+			}
+			mb = n
+		}
+	}
+	return int64(mb) << 20
+}
+
 func (s *Server) reanalyzeRawExportPackage(pkg *RawExportPackage) (*models.AnalysisResult, string, error) {
 	if pkg == nil {
 		return nil, "", fmt.Errorf("empty package")