118 lines
3.9 KiB
Go
118 lines
3.9 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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"io/ioutil"
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"testing"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
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"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
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kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
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kubeadmapiv1beta2 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta2"
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kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
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)
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const (
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nodeV1beta1YAML = "testdata/conversion/node/v1beta1.yaml"
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nodeV1beta2YAML = "testdata/conversion/node/v1beta2.yaml"
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nodeInternalYAML = "testdata/conversion/node/internal.yaml"
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nodeIncompleteYAML = "testdata/defaulting/node/incomplete.yaml"
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nodeDefaultedYAML = "testdata/defaulting/node/defaulted.yaml"
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nodeInvalidYAML = "testdata/validation/invalid_nodecfg.yaml"
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)
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func TestLoadJoinConfigurationFromFile(t *testing.T) {
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var tests = []struct {
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name, in, out string
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groupVersion schema.GroupVersion
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expectedErr bool
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}{
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// These tests are reading one file, loading it using LoadJoinConfigurationFromFile that all of kubeadm is using for unmarshal of our API types,
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// and then marshals the internal object to the expected groupVersion
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{ // v1beta1 -> internal
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name: "v1beta1ToInternal",
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in: nodeV1beta1YAML,
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out: nodeInternalYAML,
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groupVersion: kubeadm.SchemeGroupVersion,
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},
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{ // v1beta1 -> internal -> v1beta1
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name: "v1beta1Tov1beta1",
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in: nodeV1beta1YAML,
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out: nodeV1beta1YAML,
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groupVersion: kubeadmapiv1beta1.SchemeGroupVersion,
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},
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{ // v1beta2 -> internal
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name: "v1beta2ToInternal",
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in: nodeV1beta2YAML,
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out: nodeInternalYAML,
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groupVersion: kubeadm.SchemeGroupVersion,
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},
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{ // v1beta2 -> internal -> v1beta2
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name: "v1beta2Tov1beta2",
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in: nodeV1beta2YAML,
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out: nodeV1beta2YAML,
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groupVersion: kubeadmapiv1beta2.SchemeGroupVersion,
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},
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// These tests are reading one file that has only a subset of the fields populated, loading it using LoadJoinConfigurationFromFile,
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// and then marshals the internal object to the expected groupVersion
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{ // v1beta2 -> default -> validate -> internal -> v1beta2
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name: "incompleteYAMLToDefaultedv1beta2",
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in: nodeIncompleteYAML,
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out: nodeDefaultedYAML,
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groupVersion: kubeadmapiv1beta2.SchemeGroupVersion,
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},
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{ // v1beta2 -> validation should fail
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name: "invalidYAMLShouldFail",
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in: nodeInvalidYAML,
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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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internalcfg, err := LoadJoinConfigurationFromFile(rt.in)
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if err != nil {
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if rt.expectedErr {
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return
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}
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t2.Fatalf("couldn't unmarshal test data: %v", err)
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} else if rt.expectedErr {
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t2.Fatalf("expected error, but no error returned")
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}
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actual, err := kubeadmutil.MarshalToYamlForCodecs(internalcfg, rt.groupVersion, scheme.Codecs)
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if err != nil {
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t2.Fatalf("couldn't marshal internal object: %v", err)
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}
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expected, err := ioutil.ReadFile(rt.out)
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if err != nil {
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t2.Fatalf("couldn't read test data: %v", err)
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}
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if !bytes.Equal(expected, actual) {
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t2.Errorf("the expected and actual output differs.\n\tin: %s\n\tout: %s\n\tgroupversion: %s\n\tdiff: \n%s\n",
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rt.in, rt.out, rt.groupVersion.String(), diff(expected, actual))
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}
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})
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}
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}
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