feat(k8s): rancher rke2 version support (#5988)

Signed-off-by: chenk <hen.keinan@gmail.com>

go.mod

@@ -24,7 +24,7 @@ require (
 	github.com/aquasecurity/trivy-aws v0.7.2-0.20240212233003-6359c269e5d2
 	github.com/aquasecurity/trivy-db v0.0.0-20231005141211-4fc651f7ac8d
 	github.com/aquasecurity/trivy-java-db v0.0.0-20240109071736-184bd7481d48
-	github.com/aquasecurity/trivy-kubernetes v0.6.3-0.20240118072219-c433b06f98e1
+	github.com/aquasecurity/trivy-kubernetes v0.6.3
 	github.com/aquasecurity/trivy-policies v0.9.1-0.20240212232053-c450017d5624
 	github.com/aws/aws-sdk-go-v2 v1.24.1
 	github.com/aws/aws-sdk-go-v2/config v1.26.6

go.sum

@@ -350,8 +350,8 @@ github.com/aquasecurity/trivy-db v0.0.0-20231005141211-4fc651f7ac8d h1:fjI9mkoTU
 github.com/aquasecurity/trivy-db v0.0.0-20231005141211-4fc651f7ac8d/go.mod h1:cj9/QmD9N3OZnKQMp+/DvdV+ym3HyIkd4e+F0ZM3ZGs=
 github.com/aquasecurity/trivy-java-db v0.0.0-20240109071736-184bd7481d48 h1:JVgBIuIYbwG+ekC5lUHUpGJboPYiCcxiz06RCtz8neI=
 github.com/aquasecurity/trivy-java-db v0.0.0-20240109071736-184bd7481d48/go.mod h1:Ldya37FLi0e/5Cjq2T5Bty7cFkzUDwTcPeQua+2M8i8=
-github.com/aquasecurity/trivy-kubernetes v0.6.3-0.20240118072219-c433b06f98e1 h1:/LsIHMQJ4SOxZeib/bvLP7S3YDTXJVIsQyS4kIIP0GQ=
-github.com/aquasecurity/trivy-kubernetes v0.6.3-0.20240118072219-c433b06f98e1/go.mod h1:v6B8SO2ep718ccGbbjhpzMn6p27IijS+dMb+MeYz3jQ=
+github.com/aquasecurity/trivy-kubernetes v0.6.3 h1:Hmo0pefXRsyVYsii62WUQyt3xMHjm37ipPESeWM/LNA=
+github.com/aquasecurity/trivy-kubernetes v0.6.3/go.mod h1:v6B8SO2ep718ccGbbjhpzMn6p27IijS+dMb+MeYz3jQ=
 github.com/aquasecurity/trivy-policies v0.9.1-0.20240212232053-c450017d5624 h1:OKJa4JRaB54tY3XxrUA5waEPuI+AsNMoz7PR5rkDQj0=
 github.com/aquasecurity/trivy-policies v0.9.1-0.20240212232053-c450017d5624/go.mod h1:AHMSfZ86npbvCMRxrGFw51PIfl60FRwXWgrvxWy7EU0=
 github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0 h1:jfIu9sQUG6Ig+0+Ap1h4unLjW6YQJpKZVmUzxsD4E/Q=

pkg/k8s/scanner/scanner.go

@@ -623,8 +623,6 @@ func k8sNamespace(ver, nodeName string) string {
 		namespace = purl.NamespaceEKS
 	case strings.Contains(ver, "gke"):
 		namespace = purl.NamespaceGKE
-	case strings.Contains(ver, "rke2"):
-		namespace = purl.NamespaceRKE
 	case strings.Contains(ver, "hotfix"):
 		if !strings.Contains(nodeName, "aks") {
 			// Unknown k8s distribution

pkg/k8s/scanner/scanner_test.go

@@ -384,7 +384,7 @@ func TestGeneratePURL(t *testing.T) {
 			compName:    "k8s.io/kubelet",
 			compVersion: "1.24.11+rke2r1",
 			nodeName:    "ip-10-0-5-23",
-			want:        "pkg:k8s/rke/k8s.io%2Fkubelet@1.24.11%2Brke2r1",
+			want:        "pkg:k8s/k8s.io%2Fkubelet@1.24.11%2Brke2r1",
 		},
 		{
 			name:        "OCP",
@@ -438,7 +438,7 @@ func TestK8sNamespace(t *testing.T) {
 			name:        "Rancher",
 			compVersion: "1.24.11+rke2r1",
 			nodeName:    "ip-10-0-5-23",
-			want:        "rke",
+			want:        "kubernetes",
 		},
 		{
 			name:        "OCP",

pkg/purl/purl.go

@@ -37,7 +37,6 @@ const (
 	NamespaceEKS = "eks"
 	NamespaceAKS = "aks"
 	NamespaceGKE = "gke"
-	NamespaceRKE = "rke"
 	NamespaceOCP = "ocp"
 
 	TypeUnknown = "unknown"
@@ -211,8 +210,6 @@ func (p *PackageURL) LangType() ftypes.LangType {
 			return ftypes.GKE
 		case NamespaceAKS:
 			return ftypes.AKS
-		case NamespaceRKE:
-			return ftypes.RKE
 		case NamespaceOCP:
 			return ftypes.OCP
 		case "":