297 lines
7.7 KiB
Go
297 lines
7.7 KiB
Go
/*
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Copyright 2018 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 config
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import (
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"bytes"
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"testing"
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kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
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"k8s.io/kubernetes/cmd/kubeadm/app/constants"
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)
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var files = map[string][]byte{
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"Master_v1alpha1": []byte(`
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apiVersion: kubeadm.k8s.io/v1alpha1
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kind: InitConfiguration
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`),
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"Node_v1alpha1": []byte(`
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apiVersion: kubeadm.k8s.io/v1alpha1
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kind: NodeConfiguration
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`),
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"Master_v1alpha2": []byte(`
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apiVersion: kubeadm.k8s.io/v1alpha2
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kind: MasterConfiguration
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`),
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"Node_v1alpha2": []byte(`
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apiVersion: kubeadm.k8s.io/v1alpha2
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kind: NodeConfiguration
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`),
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"Init_v1alpha3": []byte(`
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apiVersion: kubeadm.k8s.io/v1alpha3
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kind: InitConfiguration
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`),
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"Join_v1alpha3": []byte(`
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apiVersion: kubeadm.k8s.io/v1alpha3
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kind: JoinConfiguration
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`),
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"Init_v1beta1": []byte(`
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apiVersion: kubeadm.k8s.io/v1beta1
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kind: InitConfiguration
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`),
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"Join_v1beta1": []byte(`
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apiVersion: kubeadm.k8s.io/v1beta1
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kind: JoinConfiguration
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`),
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"NoKind": []byte(`
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apiVersion: baz.k8s.io/v1
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foo: foo
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bar: bar
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`),
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"NoAPIVersion": []byte(`
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kind: Bar
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foo: foo
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bar: bar
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`),
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"Foo": []byte(`
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apiVersion: foo.k8s.io/v1
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kind: Foo
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`),
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}
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func TestDetectUnsupportedVersion(t *testing.T) {
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var tests = []struct {
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name string
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fileContents []byte
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expectedErr bool
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}{
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{
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name: "Master_v1alpha1",
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fileContents: files["Master_v1alpha1"],
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expectedErr: true,
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},
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{
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name: "Node_v1alpha1",
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fileContents: files["Node_v1alpha1"],
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expectedErr: true,
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},
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{
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name: "Master_v1alpha2",
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fileContents: files["Master_v1alpha2"],
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expectedErr: true,
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},
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{
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name: "Node_v1alpha2",
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fileContents: files["Node_v1alpha2"],
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expectedErr: true,
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},
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{
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name: "Init_v1alpha3",
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fileContents: files["Init_v1alpha3"],
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},
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{
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name: "Join_v1alpha3",
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fileContents: files["Join_v1alpha3"],
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},
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{
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name: "Init_v1beta1",
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fileContents: files["Init_v1beta1"],
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},
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{
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name: "Join_v1beta1",
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fileContents: files["Join_v1beta1"],
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},
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{
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name: "DuplicateInit v1alpha3",
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fileContents: bytes.Join([][]byte{files["Init_v1alpha3"], files["Init_v1alpha3"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "DuplicateInit v1beta1",
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fileContents: bytes.Join([][]byte{files["Init_v1beta1"], files["Init_v1beta1"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "DuplicateInit v1beta1 and v1alpha3",
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fileContents: bytes.Join([][]byte{files["Init_v1beta1"], files["Init_v1alpha3"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "DuplicateJoin v1alpha3",
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fileContents: bytes.Join([][]byte{files["Join_v1alpha3"], files["Join_v1alpha3"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "DuplicateJoin v1beta1",
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fileContents: bytes.Join([][]byte{files["Join_v1beta1"], files["Join_v1beta1"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "DuplicateJoin v1beta1 and v1alpha3",
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fileContents: bytes.Join([][]byte{files["Join_v1beta1"], files["Join_v1alpha3"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "NoKind",
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fileContents: files["NoKind"],
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expectedErr: true,
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},
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{
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name: "NoAPIVersion",
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fileContents: files["NoAPIVersion"],
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expectedErr: true,
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},
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{
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name: "Ignore other Kind",
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fileContents: bytes.Join([][]byte{files["Foo"], files["Master_v1alpha3"]}, []byte(constants.YAMLDocumentSeparator)),
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},
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{
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name: "Ignore other Kind",
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fileContents: bytes.Join([][]byte{files["Foo"], files["Master_v1beta1"]}, []byte(constants.YAMLDocumentSeparator)),
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},
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{
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name: "MustNotMixInitJoin v1alpha3",
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fileContents: bytes.Join([][]byte{files["Init_v1alpha3"], files["Join_v1alpha3"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "MustNotMixInitJoin v1alpha3 - v1beta1",
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fileContents: bytes.Join([][]byte{files["Init_v1alpha3"], files["Join_v1beta1"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "MustNotMixInitJoin v1beta1 - v1alpha3",
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fileContents: bytes.Join([][]byte{files["Init_v1beta1"], files["Join_v1alpha3"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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{
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name: "MustNotMixInitJoin v1beta1",
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fileContents: bytes.Join([][]byte{files["Init_v1beta1"], files["Join_v1beta1"]}, []byte(constants.YAMLDocumentSeparator)),
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expectedErr: true,
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},
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}
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for _, rt := range tests {
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t.Run(rt.name, func(t2 *testing.T) {
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err := DetectUnsupportedVersion(rt.fileContents)
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if (err != nil) != rt.expectedErr {
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t2.Errorf("expected error: %t, actual: %t", rt.expectedErr, err != nil)
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}
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})
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}
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}
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func TestLowercaseSANs(t *testing.T) {
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tests := []struct {
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name string
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in []string
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out []string
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}{
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{
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name: "empty struct",
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},
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{
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name: "already lowercase",
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in: []string{"example.k8s.io"},
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out: []string{"example.k8s.io"},
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},
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{
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name: "ip addresses and uppercase",
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in: []string{"EXAMPLE.k8s.io", "10.100.0.1"},
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out: []string{"example.k8s.io", "10.100.0.1"},
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},
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{
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name: "punycode and uppercase",
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in: []string{"xn--7gq663byk9a.xn--fiqz9s", "ANOTHEREXAMPLE.k8s.io"},
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out: []string{"xn--7gq663byk9a.xn--fiqz9s", "anotherexample.k8s.io"},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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cfg := &kubeadmapiv1beta1.InitConfiguration{
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ClusterConfiguration: kubeadmapiv1beta1.ClusterConfiguration{
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APIServerCertSANs: test.in,
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},
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}
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LowercaseSANs(cfg.APIServerCertSANs)
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if len(cfg.APIServerCertSANs) != len(test.out) {
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t.Fatalf("expected %d elements, got %d", len(test.out), len(cfg.APIServerCertSANs))
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}
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for i, expected := range test.out {
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if cfg.APIServerCertSANs[i] != expected {
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t.Errorf("expected element %d to be %q, got %q", i, expected, cfg.APIServerCertSANs[i])
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}
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}
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})
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}
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}
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func TestVerifyAPIServerBindAddress(t *testing.T) {
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tests := []struct {
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name string
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address string
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expectedError bool
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}{
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{
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name: "valid address: IPV4",
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address: "192.168.0.1",
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},
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{
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name: "valid address: IPV6",
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address: "2001:db8:85a3::8a2e:370:7334",
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},
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{
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name: "invalid address: not a global unicast 0.0.0.0",
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address: "0.0.0.0",
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expectedError: true,
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},
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{
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name: "invalid address: not a global unicast 127.0.0.1",
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address: "127.0.0.1",
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expectedError: true,
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},
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{
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name: "invalid address: not a global unicast ::",
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address: "::",
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expectedError: true,
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},
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{
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name: "invalid address: cannot parse IPV4",
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address: "255.255.255.255.255",
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expectedError: true,
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},
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{
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name: "invalid address: cannot parse IPV6",
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address: "2a00:800::2a00:800:10102a00",
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expectedError: true,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if err := VerifyAPIServerBindAddress(test.address); (err != nil) != test.expectedError {
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t.Errorf("expected error: %v, got %v, error: %v", test.expectedError, (err != nil), err)
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}
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})
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}
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}
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