fix(redhat): include arch in PURL qualifiers [backport: release/v0.56] (#7702)

Signed-off-by: knqyf263 <knqyf263@gmail.com>
Co-authored-by: Teppei Fukuda <knqyf263@gmail.com>

Author: aqua-bot

pkg/fanal/analyzer/pkg/rpm/archive.go

@@ -136,7 +136,14 @@ func (a *rpmArchiveAnalyzer) generatePURL(pkg *types.Package) *packageurl.Packag
 	case strings.Contains(vendor, "suse"):
 		ns = "suse"
 	}
-	return packageurl.NewPackageURL(packageurl.TypeRPM, ns, pkg.Name, utils.FormatVersion(*pkg), nil, "")
+	var qualifiers packageurl.Qualifiers
+	if pkg.Arch != "" {
+		qualifiers = append(qualifiers, packageurl.Qualifier{
+			Key:   "arch",
+			Value: pkg.Arch,
+		})
+	}
+	return packageurl.NewPackageURL(packageurl.TypeRPM, ns, pkg.Name, utils.FormatVersion(*pkg), qualifiers, "")
 }
 
 func (a *rpmArchiveAnalyzer) unexpectedError(err error) error {

pkg/fanal/analyzer/pkg/rpm/archive_test.go

@@ -52,6 +52,12 @@ func Test_rpmArchiveAnalyzer_Analyze(t *testing.T) {
 										Namespace: "redhat",
 										Name:      "socat",
 										Version:   "1.7.3.2-2.el7",
+										Qualifiers: packageurl.Qualifiers{
+											{
+												Key:   "arch",
+												Value: "x86_64",
+											},
+										},
 									},
 								},
 							},