k3s/pkg/cloudprovider/instances_test.go

133 lines
3.3 KiB
Go

package cloudprovider
import (
"context"
"reflect"
"testing"
"github.com/k3s-io/k3s/pkg/version"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
cloudprovider "k8s.io/cloud-provider"
)
func Test_UnitK3sInstanceMetadata(t *testing.T) {
nodeName := "test-node"
nodeInternalIP := "10.0.0.1"
nodeExternalIP := "1.2.3.4"
tests := []struct {
name string
node *corev1.Node
want *cloudprovider.InstanceMetadata
wantErr bool
}{
{
name: "No Annotations",
node: &corev1.Node{},
wantErr: true,
},
{
name: "Internal IP",
node: &corev1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: nodeName,
Annotations: map[string]string{
InternalIPKey: nodeInternalIP,
},
},
},
want: &cloudprovider.InstanceMetadata{
InstanceType: version.Program,
ProviderID: version.Program + "://" + nodeName,
NodeAddresses: []corev1.NodeAddress{
{Type: corev1.NodeInternalIP, Address: nodeInternalIP},
},
},
},
{
name: "Internal IP, External IP",
node: &corev1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: nodeName,
Annotations: map[string]string{
InternalIPKey: nodeInternalIP,
ExternalIPKey: nodeExternalIP,
},
},
},
want: &cloudprovider.InstanceMetadata{
InstanceType: version.Program,
ProviderID: version.Program + "://" + nodeName,
NodeAddresses: []corev1.NodeAddress{
{Type: corev1.NodeInternalIP, Address: nodeInternalIP},
{Type: corev1.NodeExternalIP, Address: nodeExternalIP},
},
},
},
{
name: "Internal IP, External IP, Hostname",
node: &corev1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: nodeName,
Annotations: map[string]string{
InternalIPKey: nodeInternalIP,
ExternalIPKey: nodeExternalIP,
HostnameKey: nodeName + ".example.com",
},
},
},
want: &cloudprovider.InstanceMetadata{
InstanceType: version.Program,
ProviderID: version.Program + "://" + nodeName,
NodeAddresses: []corev1.NodeAddress{
{Type: corev1.NodeInternalIP, Address: nodeInternalIP},
{Type: corev1.NodeExternalIP, Address: nodeExternalIP},
{Type: corev1.NodeHostName, Address: nodeName + ".example.com"},
},
},
},
{
name: "Custom Metadata",
node: &corev1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: nodeName,
Annotations: map[string]string{
InternalIPKey: nodeInternalIP,
},
Labels: map[string]string{
corev1.LabelInstanceTypeStable: "test.t1",
corev1.LabelTopologyRegion: "region",
corev1.LabelTopologyZone: "zone",
},
},
Spec: corev1.NodeSpec{
ProviderID: "test://i-abc",
},
},
want: &cloudprovider.InstanceMetadata{
InstanceType: "test.t1",
ProviderID: "test://i-abc",
NodeAddresses: []corev1.NodeAddress{
{Type: corev1.NodeInternalIP, Address: nodeInternalIP},
},
Region: "region",
Zone: "zone",
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
k := &k3s{}
got, err := k.InstanceMetadata(context.Background(), tt.node)
if (err != nil) != tt.wantErr {
t.Errorf("k3s.InstanceMetadata() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("k3s.InstanceMetadata() = %+v\nWant = %+v", got, tt.want)
}
})
}
}