Files
trivy/pkg/k8s/scanner/scanner_test.go
Teppei Fukuda 983ac15f22 ci: add depguard (#6963)
Signed-off-by: knqyf263 <knqyf263@gmail.com>
2024-06-20 02:48:08 +00:00

553 lines
14 KiB
Go

package scanner
import (
"context"
"sort"
"testing"
"github.com/package-url/packageurl-go"
"github.com/samber/lo"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/aquasecurity/trivy-kubernetes/pkg/artifacts"
cmd "github.com/aquasecurity/trivy/pkg/commands/artifact"
ftypes "github.com/aquasecurity/trivy/pkg/fanal/types"
"github.com/aquasecurity/trivy/pkg/flag"
"github.com/aquasecurity/trivy/pkg/purl"
"github.com/aquasecurity/trivy/pkg/sbom/core"
"github.com/aquasecurity/trivy/pkg/uuid"
)
func TestScanner_Scan(t *testing.T) {
flagOpts := flag.Options{ReportOptions: flag.ReportOptions{Format: "cyclonedx"}}
tests := []struct {
name string
clusterName string
artifacts []*artifacts.Artifact
wantComponents []*core.Component
}{
{
name: "test cluster info with resources",
clusterName: "test-cluster",
artifacts: []*artifacts.Artifact{
{
Namespace: "kube-system",
Kind: "Cluster",
Name: "k8s.io/kubernetes",
RawResource: map[string]any{
"name": "k8s.io/kubernetes",
"version": "1.21.1",
"type": "ClusterInfo",
"Properties": map[string]string{
"Name": "kind-kind",
"Type": "cluster",
},
},
},
{
Namespace: "kube-system",
Kind: "ControlPlaneComponents",
Name: "k8s.io/apiserver",
RawResource: map[string]any{
"Containers": []any{
map[string]any{
"Digest": "18e61c783b41758dd391ab901366ec3546b26fae00eef7e223d1f94da808e02f",
"ID": "kube-apiserver:v1.21.1",
"Registry": "k8s.gcr.io",
"Repository": "kube-apiserver",
"Version": "v1.21.1",
},
},
"Name": "k8s.io/apiserver",
"Version": "1.21.1",
},
},
{
Kind: "NodeComponents",
Name: "kind-control-plane",
RawResource: map[string]any{
"ContainerRuntimeVersion": "containerd://1.5.2",
"Hostname": "kind-control-plane",
"KubeProxyVersion": "6.2.13-300.fc38.aarch64",
"KubeletVersion": "v1.21.1",
"NodeName": "kind-control-plane",
"OsImage": "Ubuntu 21.04",
"Properties": map[string]string{
"Architecture": "arm64",
"HostName": "kind-control-plane",
"KernelVersion": "6.2.15-300.fc38.aarch64",
"NodeRole": "master",
"OperatingSystem": "linux",
},
},
},
},
wantComponents: []*core.Component{
{
Type: core.TypeApplication,
Name: "github.com/containerd/containerd",
Version: "1.5.2",
Properties: []core.Property{
{
Name: k8sComponentName,
Value: "github.com/containerd/containerd",
Namespace: k8sCoreComponentNamespace,
},
{
Name: k8sComponentType,
Value: "node",
Namespace: k8sCoreComponentNamespace,
},
},
PkgIdentifier: ftypes.PkgIdentifier{
PURL: &packageurl.PackageURL{
Type: "golang",
Name: "github.com/containerd/containerd",
Version: "1.5.2",
Qualifiers: packageurl.Qualifiers{},
},
BOMRef: "pkg:golang/github.com%2Fcontainerd%2Fcontainerd@1.5.2",
},
},
{
Type: core.TypeApplication,
Name: "k8s.io/apiserver",
Version: "1.21.1",
PkgIdentifier: ftypes.PkgIdentifier{
PURL: &packageurl.PackageURL{
Type: purl.TypeK8s,
Name: "k8s.io/apiserver",
Version: "1.21.1",
},
BOMRef: "pkg:k8s/k8s.io%2Fapiserver@1.21.1",
},
},
{
Type: core.TypeApplication,
Name: "k8s.io/kubelet",
Version: "1.21.1",
Properties: []core.Property{
{
Name: k8sComponentName,
Value: "k8s.io/kubelet",
Namespace: k8sCoreComponentNamespace,
},
{
Name: k8sComponentType,
Value: "node",
Namespace: k8sCoreComponentNamespace,
},
},
PkgIdentifier: ftypes.PkgIdentifier{
PURL: &packageurl.PackageURL{
Type: "k8s",
Name: "k8s.io/kubelet",
Version: "1.21.1",
},
BOMRef: "pkg:k8s/k8s.io%2Fkubelet@1.21.1",
},
},
{
Type: core.TypeApplication,
Name: "node-core-components",
PkgIdentifier: ftypes.PkgIdentifier{
BOMRef: "3ff14136-e09f-4df9-80ea-000000000006",
},
},
{
Type: core.TypeContainerImage,
Name: "k8s.gcr.io/kube-apiserver",
Version: "sha256:18e61c783b41758dd391ab901366ec3546b26fae00eef7e223d1f94da808e02f",
PkgIdentifier: ftypes.PkgIdentifier{
PURL: &packageurl.PackageURL{
Type: "oci",
Name: "kube-apiserver",
Version: "sha256:18e61c783b41758dd391ab901366ec3546b26fae00eef7e223d1f94da808e02f",
Qualifiers: packageurl.Qualifiers{
{
Key: "repository_url",
Value: "k8s.gcr.io/kube-apiserver",
},
},
},
BOMRef: "pkg:oci/kube-apiserver@sha256%3A18e61c783b41758dd391ab901366ec3546b26fae00eef7e223d1f94da808e02f?repository_url=k8s.gcr.io%2Fkube-apiserver",
},
Properties: []core.Property{
{
Name: core.PropertyPkgID,
Value: "k8s.gcr.io/kube-apiserver:1.21.1",
},
{
Name: core.PropertyPkgType,
Value: "oci",
},
},
},
{
Type: core.TypeOS,
Name: "ubuntu",
Version: "21.04",
Properties: []core.Property{
{
Name: "Class",
Value: "os-pkgs",
Namespace: "",
},
{
Name: "Type",
Value: "ubuntu",
Namespace: "",
},
},
PkgIdentifier: ftypes.PkgIdentifier{
BOMRef: "3ff14136-e09f-4df9-80ea-000000000005",
},
},
{
Type: core.TypePlatform,
Root: true,
Name: "k8s.io/kubernetes",
Version: "1.21.1",
Properties: []core.Property{
{
Name: "Name",
Value: "kind-kind",
Namespace: k8sCoreComponentNamespace,
},
{
Name: "Type",
Value: "cluster",
Namespace: k8sCoreComponentNamespace,
},
},
PkgIdentifier: ftypes.PkgIdentifier{
PURL: &packageurl.PackageURL{
Type: purl.TypeK8s,
Name: "k8s.io/kubernetes",
Version: "1.21.1",
},
BOMRef: "pkg:k8s/k8s.io%2Fkubernetes@1.21.1",
},
},
{
Type: core.TypePlatform,
Name: "kind-control-plane",
Properties: []core.Property{
{
Name: "Architecture",
Value: "arm64",
},
{
Name: "HostName",
Value: "kind-control-plane",
},
{
Name: "KernelVersion",
Value: "6.2.15-300.fc38.aarch64",
},
{
Name: k8sComponentName,
Value: "kind-control-plane",
Namespace: k8sCoreComponentNamespace,
},
{
Name: "NodeRole",
Value: "master",
},
{
Name: "OperatingSystem",
Value: "linux",
},
{
Name: k8sComponentType,
Value: "node",
Namespace: k8sCoreComponentNamespace,
},
},
PkgIdentifier: ftypes.PkgIdentifier{
BOMRef: "3ff14136-e09f-4df9-80ea-000000000004",
},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ctx := context.Background()
uuid.SetFakeUUID(t, "3ff14136-e09f-4df9-80ea-%012d")
runner, err := cmd.NewRunner(ctx, flagOpts)
require.NoError(t, err)
scanner := NewScanner(tt.clusterName, runner, flagOpts)
got, err := scanner.Scan(ctx, tt.artifacts)
require.NoError(t, err)
gotComponents := lo.Values(got.BOM.Components())
require.Equal(t, len(tt.wantComponents), len(gotComponents))
sort.Slice(gotComponents, func(i, j int) bool {
switch {
case gotComponents[i].Type != gotComponents[j].Type:
return gotComponents[i].Type < gotComponents[j].Type
case gotComponents[i].Name != gotComponents[j].Name:
return gotComponents[i].Name < gotComponents[j].Name
default:
return gotComponents[i].Version < gotComponents[j].Version
}
})
for i, want := range tt.wantComponents {
assert.EqualExportedValues(t, *want, *gotComponents[i], want.Name)
}
})
}
}
func TestTestOsNameVersion(t *testing.T) {
tests := []struct {
name string
nameVersion string
compName string
compVersion string
}{
{
name: "valid version",
nameVersion: "ubuntu 20.04",
compName: "ubuntu",
compVersion: "20.04",
},
{
name: "valid sem version",
nameVersion: "ubuntu 20.04.1",
compName: "ubuntu",
compVersion: "20.04.1",
},
{
name: "non valid version",
nameVersion: "ubuntu",
compName: "ubuntu",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
name, version := osNameVersion(tt.nameVersion)
assert.Equal(t, name, tt.compName)
assert.Equal(t, version, tt.compVersion)
})
}
}
func TestGeneratePURL(t *testing.T) {
tests := []struct {
name string
compName string
compVersion string
nodeName string
want string
}{
{
name: "native k8s component",
compName: "k8s.io/kubelet",
compVersion: "1.24.10",
nodeName: "kind-kind",
want: "pkg:k8s/k8s.io%2Fkubelet@1.24.10",
},
{
name: "GKE",
compName: "k8s.io/kubelet",
compVersion: "1.24.10-gke.2300",
nodeName: "gke-gke1796-default-pool-768cb718-sk1d",
want: "pkg:k8s/gke/k8s.io%2Fkubelet@1.24.10-gke.2300",
},
{
name: "AKS",
compName: "k8s.io/kubelet",
compVersion: "1.24.10-hotfix.20221110",
nodeName: "aks-default-23814474-vmss000000",
want: "pkg:k8s/aks/k8s.io%2Fkubelet@1.24.10-hotfix.20221110",
},
{
name: "EKS",
compName: "k8s.io/kubelet",
compVersion: "1.23.17-eks-8ccc7ba",
nodeName: "eks-vmss000000",
want: "pkg:k8s/eks/k8s.io%2Fkubelet@1.23.17-eks-8ccc7ba",
},
{
name: "Rancher",
compName: "k8s.io/kubelet",
compVersion: "1.24.11+rke2r1",
nodeName: "ip-10-0-5-23",
want: "pkg:k8s/k8s.io%2Fkubelet@1.24.11%2Brke2r1",
},
{
name: "OCP",
compName: "k8s.io/kubelet",
compVersion: "1.26.7+c7ee51f",
nodeName: "ocp413vpool14000-p8vnm-master-2",
want: "pkg:k8s/ocp/k8s.io%2Fkubelet@1.26.7%2Bc7ee51f",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := generatePURL(tt.compName, tt.compVersion, tt.nodeName)
assert.Equal(t, tt.want, got.String())
})
}
}
func TestK8sNamespace(t *testing.T) {
tests := []struct {
name string
compVersion string
nodeName string
want string
}{
{
name: "native k8s component",
compVersion: "1.24.10",
nodeName: "kind-kind",
want: "kubernetes",
},
{
name: "GKE",
compVersion: "1.24.10-gke.2300",
nodeName: "gke-gke1796-default-pool-768cb718-sk1d",
want: "gke",
},
{
name: "AKS",
compVersion: "1.24.10-hotfix.20221110",
nodeName: "aks-default-23814474-vmss000000",
want: "aks",
},
{
name: "EKS",
compVersion: "1.23.17-eks-8ccc7ba",
nodeName: "eks-vmss000000",
want: "eks",
},
{
name: "Rancher",
compVersion: "1.24.11+rke2r1",
nodeName: "ip-10-0-5-23",
want: "kubernetes",
},
{
name: "OCP",
compVersion: "1.26.7+c7ee51f",
nodeName: "ocp413vpool14000-p8vnm-master-2",
want: "ocp",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := k8sNamespace(tt.compVersion, tt.nodeName)
assert.Equal(t, tt.want, got)
})
}
}
func TestRuntimeVersion(t *testing.T) {
tests := []struct {
name string
runtimeVersion string
wantName string
wantVersion string
}{
{
name: "containerd",
runtimeVersion: "containerd://1.5.2",
wantName: "github.com/containerd/containerd",
wantVersion: "1.5.2",
},
{
name: "cri-o",
runtimeVersion: "cri-o://1.5.2",
wantName: "github.com/cri-o/cri-o",
wantVersion: "1.5.2",
},
{
name: "cri-dockerd",
runtimeVersion: "cri-dockerd://1.5.2",
wantName: "github.com/Mirantis/cri-dockerd",
wantVersion: "1.5.2",
},
{
name: "na runtime",
runtimeVersion: "cri:1.5.2",
wantName: "",
wantVersion: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotName, gotVersion := runtimeNameVersion(tt.runtimeVersion)
assert.Equal(t, tt.wantName, gotName)
assert.Equal(t, tt.wantVersion, gotVersion)
})
}
}
func TestFindNodeName(t *testing.T) {
tests := []struct {
name string
artifacts []*artifacts.Artifact
want string
}{
{
name: "find node name",
artifacts: []*artifacts.Artifact{
{
Namespace: "kube-system",
Kind: "Cluster",
Name: "k8s.io/kubernetes",
RawResource: make(map[string]any),
},
{
Namespace: "kube-system",
Kind: "ControlPlaneComponents",
Name: "k8s.io/apiserver",
RawResource: make(map[string]any),
},
{
Kind: "NodeComponents",
Name: "kind-control-plane",
RawResource: make(map[string]any),
},
},
want: "kind-control-plane",
},
{
name: "didn't find node name",
artifacts: []*artifacts.Artifact{
{
Namespace: "kube-system",
Kind: "Cluster",
Name: "k8s.io/kubernetes",
RawResource: make(map[string]any),
},
{
Namespace: "kube-system",
Kind: "ControlPlaneComponents",
Name: "k8s.io/apiserver",
RawResource: make(map[string]any),
},
},
want: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := Scanner{}
got := s.findNodeName(tt.artifacts)
assert.Equal(t, tt.want, got)
})
}
}