mirror of https://github.com/kubernetes/kops.git
146 lines
4.3 KiB
Go
146 lines
4.3 KiB
Go
/*
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Copyright 2019 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 main
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import (
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"bytes"
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"os"
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"path"
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"strings"
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"testing"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/kops/pkg/apis/kops/v1alpha2"
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"k8s.io/kops/pkg/apis/kops/v1alpha3"
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"k8s.io/kops/pkg/diff"
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"k8s.io/kops/pkg/kopscodecs"
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"k8s.io/kops/util/pkg/text"
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)
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// TestConversionMinimal runs the test on a minimum configuration, similar to kops create cluster minimal.example.com --zones us-west-1a
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func TestConversionMinimal(t *testing.T) {
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runTest(t, "minimal", "legacy-v1alpha2", "v1alpha2")
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runTest(t, "minimal", "v1alpha2", "v1alpha3")
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runTest(t, "minimal", "v1alpha3", "v1alpha2")
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}
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func TestConversionAWS(t *testing.T) {
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runTest(t, "aws", "v1alpha2", "v1alpha3")
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runTest(t, "aws", "v1alpha3", "v1alpha2")
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}
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func TestConversionAzure(t *testing.T) {
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runTest(t, "azure", "v1alpha2", "v1alpha3")
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runTest(t, "azure", "v1alpha3", "v1alpha2")
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}
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func TestConversionCanal(t *testing.T) {
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runTest(t, "canal", "v1alpha2", "v1alpha3")
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runTest(t, "canal", "v1alpha3", "v1alpha2")
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}
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func TestConversionCilium(t *testing.T) {
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runTest(t, "cilium", "v1alpha2", "v1alpha3")
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runTest(t, "cilium", "v1alpha3", "v1alpha2")
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}
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func TestConversionDO(t *testing.T) {
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runTest(t, "do", "v1alpha2", "v1alpha3")
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runTest(t, "do", "v1alpha3", "v1alpha2")
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}
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func TestConversionGCE(t *testing.T) {
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runTest(t, "gce", "v1alpha2", "v1alpha3")
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runTest(t, "gce", "v1alpha3", "v1alpha2")
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}
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func TestConversionOpenstack(t *testing.T) {
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runTest(t, "openstack", "v1alpha2", "v1alpha3")
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runTest(t, "openstack", "v1alpha3", "v1alpha2")
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}
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func runTest(t *testing.T, srcDir string, fromVersion string, toVersion string) {
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t.Run(fromVersion+"-"+toVersion, func(t *testing.T) {
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sourcePath := path.Join(srcDir, fromVersion+".yaml")
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sourceBytes, err := os.ReadFile(sourcePath)
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if err != nil {
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t.Fatalf("unexpected error reading sourcePath %q: %v", sourcePath, err)
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}
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expectedPath := path.Join(srcDir, toVersion+".yaml")
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expectedBytes, err := os.ReadFile(expectedPath)
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if err != nil {
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t.Fatalf("unexpected error reading expectedPath %q: %v", expectedPath, err)
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}
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yaml, ok := runtime.SerializerInfoForMediaType(kopscodecs.Codecs.SupportedMediaTypes(), "application/yaml")
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if !ok {
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t.Fatalf("no YAML serializer registered")
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}
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var encoder runtime.Encoder
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switch toVersion {
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case "v1alpha2":
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encoder = kopscodecs.Codecs.EncoderForVersion(yaml.Serializer, v1alpha2.SchemeGroupVersion)
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case "v1alpha3":
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encoder = kopscodecs.Codecs.EncoderForVersion(yaml.Serializer, v1alpha3.SchemeGroupVersion)
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default:
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t.Fatalf("unknown version %q", toVersion)
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}
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var actual []string
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sections := text.SplitContentToSections(sourceBytes)
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for _, s := range sections {
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o, gvk, err := kopscodecs.Decode([]byte(s), nil)
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if err != nil {
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t.Fatalf("error parsing file %q: %v", sourcePath, err)
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}
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expectVersion := strings.TrimPrefix(fromVersion, "legacy-")
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if expectVersion == "v1alpha0" {
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// Our version before we had v1alpha1
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expectVersion = "v1alpha1"
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}
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if gvk.Version != expectVersion {
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t.Fatalf("unexpected version: %q vs %q", gvk.Version, expectVersion)
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}
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var b bytes.Buffer
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if err := encoder.Encode(o, &b); err != nil {
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t.Fatalf("error encoding object: %v", err)
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}
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actual = append(actual, b.String())
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}
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actualString := strings.TrimSpace(strings.Join(actual, "\n---\n\n"))
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expectedString := strings.TrimSpace(string(expectedBytes))
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actualString = strings.ReplaceAll(actualString, "\r", "")
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expectedString = strings.ReplaceAll(expectedString, "\r", "")
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if actualString != expectedString {
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diffString := diff.FormatDiff(expectedString, actualString)
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t.Logf("diff:\n%s\n", diffString)
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t.Fatalf("%s->%s converted output differed from expected", fromVersion, toVersion)
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}
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})
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}
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