90 lines
2.7 KiB
Go
90 lines
2.7 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package node
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import (
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/pkg/api/v1"
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)
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func TestGetPreferredAddress(t *testing.T) {
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testcases := map[string]struct {
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Labels map[string]string
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Addresses []v1.NodeAddress
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Preferences []v1.NodeAddressType
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ExpectErr string
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ExpectAddress string
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}{
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"no addresses": {
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ExpectErr: "no preferred addresses found; known addresses: []",
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},
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"missing address": {
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Addresses: []v1.NodeAddress{
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{Type: v1.NodeInternalIP, Address: "1.2.3.4"},
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},
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Preferences: []v1.NodeAddressType{v1.NodeHostName},
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ExpectErr: "no preferred addresses found; known addresses: [{InternalIP 1.2.3.4}]",
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},
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"found address": {
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Addresses: []v1.NodeAddress{
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{Type: v1.NodeInternalIP, Address: "1.2.3.4"},
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{Type: v1.NodeExternalIP, Address: "1.2.3.5"},
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{Type: v1.NodeExternalIP, Address: "1.2.3.7"},
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},
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Preferences: []v1.NodeAddressType{v1.NodeHostName, v1.NodeExternalIP},
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ExpectAddress: "1.2.3.5",
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},
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"found hostname address": {
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Labels: map[string]string{metav1.LabelHostname: "label-hostname"},
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Addresses: []v1.NodeAddress{
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{Type: v1.NodeExternalIP, Address: "1.2.3.5"},
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{Type: v1.NodeHostName, Address: "status-hostname"},
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},
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Preferences: []v1.NodeAddressType{v1.NodeHostName, v1.NodeExternalIP},
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ExpectAddress: "status-hostname",
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},
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"found label address": {
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Labels: map[string]string{metav1.LabelHostname: "label-hostname"},
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Addresses: []v1.NodeAddress{
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{Type: v1.NodeExternalIP, Address: "1.2.3.5"},
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},
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Preferences: []v1.NodeAddressType{v1.NodeHostName, v1.NodeExternalIP},
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ExpectAddress: "label-hostname",
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},
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}
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for k, tc := range testcases {
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node := &v1.Node{
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ObjectMeta: metav1.ObjectMeta{Labels: tc.Labels},
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Status: v1.NodeStatus{Addresses: tc.Addresses},
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}
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address, err := GetPreferredNodeAddress(node, tc.Preferences)
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errString := ""
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if err != nil {
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errString = err.Error()
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}
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if errString != tc.ExpectErr {
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t.Errorf("%s: expected err=%q, got %q", k, tc.ExpectErr, errString)
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}
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if address != tc.ExpectAddress {
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t.Errorf("%s: expected address=%q, got %q", k, tc.ExpectAddress, address)
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}
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}
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}
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