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[v13] Discovery service panics on GKE clusters without labels #30647

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Aug 17, 2023
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[v13] Discovery service panics on GKE clusters without labels #30647

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4 changes: 3 additions & 1 deletion lib/services/kubernetes.go
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Original file line number Diff line number Diff line change
Expand Up @@ -251,8 +251,10 @@ func getOrSetDefaultGCPDescription(cluster gcp.GKECluster) string {

// labelsFromGCPKubeCluster creates kube cluster labels.
func labelsFromGCPKubeCluster(cluster gcp.GKECluster) map[string]string {
labels := maps.Clone(cluster.Labels)
labels := make(map[string]string)
maps.Copy(labels, cluster.Labels)
labels[types.OriginLabel] = types.OriginCloud

labels[types.CloudLabel] = types.CloudGCP
labels[types.DiscoveryLabelGCPLocation] = cluster.Location

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35 changes: 35 additions & 0 deletions lib/services/kubernetes_test.go
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Expand Up @@ -213,6 +213,41 @@ func TestNewKubeClusterFromGCPGKE(t *testing.T) {
require.False(t, actual.IsAWS())
}

func TestNewKubeClusterFromGCPGKEWithoutLabels(t *testing.T) {
expected, err := types.NewKubernetesClusterV3(types.Metadata{
Name: "cluster1",
Description: "desc1",
Labels: map[string]string{
types.DiscoveryLabelGCPLocation: "central-1",
types.DiscoveryLabelGCPProjectID: "p1",
types.CloudLabel: types.CloudGCP,
types.OriginLabel: types.OriginCloud,
},
}, types.KubernetesClusterSpecV3{
GCP: types.KubeGCP{
Name: "cluster1",
ProjectID: "p1",
Location: "central-1",
},
})
require.NoError(t, err)

cluster := gcp.GKECluster{
Name: "cluster1",
Status: containerpb.Cluster_RUNNING,
Labels: nil,
ProjectID: "p1",
Location: "central-1",
Description: "desc1",
}
actual, err := NewKubeClusterFromGCPGKE(cluster)
require.NoError(t, err)
require.Empty(t, cmp.Diff(expected, actual))
require.True(t, actual.IsGCP())
require.False(t, actual.IsAzure())
require.False(t, actual.IsAWS())
}

var kubeServerYAML = `---
kind: kube_server
version: v3
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