github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/cloud/policies/google/gke/node_pool_uses_cos_test.go (about)

     1  package gke
     2  
     3  import (
     4  	"testing"
     5  
     6  	defsecTypes "github.com/khulnasoft-lab/defsec/pkg/types"
     7  
     8  	"github.com/khulnasoft-lab/defsec/pkg/state"
     9  
    10  	"github.com/khulnasoft-lab/defsec/pkg/providers/google/gke"
    11  	"github.com/khulnasoft-lab/defsec/pkg/scan"
    12  
    13  	"github.com/stretchr/testify/assert"
    14  )
    15  
    16  func TestCheckNodePoolUsesCos(t *testing.T) {
    17  	tests := []struct {
    18  		name     string
    19  		input    gke.GKE
    20  		expected bool
    21  	}{
    22  		{
    23  			name: "Cluster node config image type set to Ubuntu",
    24  			input: gke.GKE{
    25  				Clusters: []gke.Cluster{
    26  					{
    27  						Metadata: defsecTypes.NewTestMetadata(),
    28  						NodeConfig: gke.NodeConfig{
    29  							Metadata:  defsecTypes.NewTestMetadata(),
    30  							ImageType: defsecTypes.String("UBUNTU", defsecTypes.NewTestMetadata()),
    31  						},
    32  					},
    33  				},
    34  			},
    35  			expected: true,
    36  		},
    37  		{
    38  			name: "Cluster node pool image type set to Ubuntu",
    39  			input: gke.GKE{
    40  				Clusters: []gke.Cluster{
    41  					{
    42  						Metadata: defsecTypes.NewTestMetadata(),
    43  						NodeConfig: gke.NodeConfig{
    44  							Metadata:  defsecTypes.NewTestMetadata(),
    45  							ImageType: defsecTypes.String("COS", defsecTypes.NewTestMetadata()),
    46  						},
    47  						NodePools: []gke.NodePool{
    48  							{
    49  								Metadata: defsecTypes.NewTestMetadata(),
    50  								NodeConfig: gke.NodeConfig{
    51  									Metadata:  defsecTypes.NewTestMetadata(),
    52  									ImageType: defsecTypes.String("UBUNTU", defsecTypes.NewTestMetadata()),
    53  								},
    54  							},
    55  						},
    56  					},
    57  				},
    58  			},
    59  			expected: true,
    60  		},
    61  		{
    62  			name: "Cluster node config image type set to Container-Optimized OS",
    63  			input: gke.GKE{
    64  				Clusters: []gke.Cluster{
    65  					{
    66  						Metadata: defsecTypes.NewTestMetadata(),
    67  						NodeConfig: gke.NodeConfig{
    68  							Metadata:  defsecTypes.NewTestMetadata(),
    69  							ImageType: defsecTypes.String("COS_CONTAINERD", defsecTypes.NewTestMetadata()),
    70  						},
    71  					},
    72  				},
    73  			},
    74  			expected: false,
    75  		},
    76  	}
    77  	for _, test := range tests {
    78  		t.Run(test.name, func(t *testing.T) {
    79  			var testState state.State
    80  			testState.Google.GKE = test.input
    81  			results := CheckNodePoolUsesCos.Evaluate(&testState)
    82  			var found bool
    83  			for _, result := range results {
    84  				if result.Status() == scan.StatusFailed && result.Rule().LongID() == CheckNodePoolUsesCos.Rule().LongID() {
    85  					found = true
    86  				}
    87  			}
    88  			if test.expected {
    89  				assert.True(t, found, "Rule should have been found")
    90  			} else {
    91  				assert.False(t, found, "Rule should not have been found")
    92  			}
    93  		})
    94  	}
    95  }