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Merge pull request #43850 from xilabao/add-output-to-kubeadm-version
Automatic merge from submit-queue add --output flag to `kubeadm version` ref to kubectl https://github.com/kubernetes/kubernetes/pull/39858
This commit is contained in:
commit
eb0bc857bd
@ -46,12 +46,14 @@ go_library(
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"//pkg/util/initsystem:go_default_library",
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"//pkg/version:go_default_library",
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"//vendor/github.com/blang/semver:go_default_library",
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"//vendor/github.com/ghodss/yaml:go_default_library",
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"//vendor/github.com/renstrom/dedent:go_default_library",
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"//vendor/github.com/spf13/cobra:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/fields:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/util/net:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/version:go_default_library",
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"//vendor/k8s.io/apiserver/pkg/util/flag:go_default_library",
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"//vendor/k8s.io/client-go/kubernetes:go_default_library",
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"//vendor/k8s.io/client-go/pkg/api:go_default_library",
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@ -17,28 +17,64 @@ limitations under the License.
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package cmd
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import (
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"encoding/json"
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"fmt"
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"io"
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"github.com/ghodss/yaml"
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"github.com/spf13/cobra"
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apimachineryversion "k8s.io/apimachinery/pkg/version"
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kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
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cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
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"k8s.io/kubernetes/pkg/util/i18n"
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"k8s.io/kubernetes/pkg/version"
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)
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// Version provides the version information of kubeadm.
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type Version struct {
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ClientVersion *apimachineryversion.Info `json:"clientVersion"`
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}
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func NewCmdVersion(out io.Writer) *cobra.Command {
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cmd := &cobra.Command{
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Use: "version",
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Short: "Print the version of kubeadm",
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Short: i18n.T("Print the version of kubeadm"),
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Run: func(cmd *cobra.Command, args []string) {
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err := RunVersion(out, cmd)
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kubeadmutil.CheckErr(err)
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},
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}
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cmd.Flags().StringP("output", "o", "", "output format, options available are yaml, json and short")
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return cmd
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}
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func RunVersion(out io.Writer, cmd *cobra.Command) error {
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fmt.Fprintf(out, "kubeadm version: %#v\n", version.Get())
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clientVersion := version.Get()
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v := Version{
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ClientVersion: &clientVersion,
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}
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switch of := cmdutil.GetFlagString(cmd, "output"); of {
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case "":
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fmt.Fprintf(out, "kubeadm version: %#v\n", v.ClientVersion)
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case "short":
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fmt.Fprintf(out, "%s\n", v.ClientVersion.GitVersion)
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case "yaml":
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y, err := yaml.Marshal(&v)
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if err != nil {
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return err
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}
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fmt.Fprintln(out, string(y))
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case "json":
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y, err := json.Marshal(&v)
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if err != nil {
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return err
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}
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fmt.Fprintln(out, string(y))
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default:
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return fmt.Errorf("invalid output format: %s", of)
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}
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return nil
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}
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@ -21,6 +21,7 @@ go_test(
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"init_test.go",
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"join_test.go",
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"token_test.go",
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"version_test.go",
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],
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args = ["--kubeadm-path=../../kubeadm"],
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data = ["//cmd/kubeadm"],
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@ -30,6 +31,7 @@ go_test(
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"integration",
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"skip",
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],
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deps = ["//vendor/github.com/ghodss/yaml:go_default_library"],
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)
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filegroup(
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130
cmd/kubeadm/test/cmd/version_test.go
Normal file
130
cmd/kubeadm/test/cmd/version_test.go
Normal file
@ -0,0 +1,130 @@
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/*
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Copyright 2017 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 kubeadm
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import (
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"encoding/json"
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"regexp"
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"testing"
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"github.com/ghodss/yaml"
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)
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const (
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ShortExpectedRegex = "^v.+\n$"
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NormalExpectedRegex = "^kubeadm version: &version\\.Info{Major:\".+\", Minor:\".+\", GitVersion:\".+\", GitCommit:\".+\", GitTreeState:\".+\", BuildDate:\".+\", GoVersion:\".+\", Compiler:\".+\", Platform:\".+\"}\n$"
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)
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var (
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VersionInfo = []string{"major", "minor", "gitVersion", "gitCommit", "gitTreeState", "buildDate", "goVersion", "compiler", "platform"}
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)
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func TestCmdVersion(t *testing.T) {
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if *kubeadmCmdSkip {
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t.Log("kubeadm cmd tests being skipped")
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t.Skip()
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}
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var versionTest = []struct {
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args string
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regex string
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expected bool
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}{
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{"--output=valid", "", false},
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{"--output=short", ShortExpectedRegex, true},
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{"", NormalExpectedRegex, true},
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}
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for _, rt := range versionTest {
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stdout, _, actual := RunCmd(*kubeadmPath, "version", rt.args)
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if (actual == nil) != rt.expected {
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t.Errorf(
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"failed CmdVersion running 'kubeadm version %s' with an error: %v\n\texpected: %t\n\t actual: %t",
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rt.args,
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actual,
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rt.expected,
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(actual == nil),
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)
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}
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if rt.expected {
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matched, err := regexp.MatchString(rt.regex, stdout)
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if err != nil {
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t.Fatalf("encountered an error while trying to match 'kubeadm version %s' stdout: %v", rt.args, err)
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}
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if !matched {
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t.Errorf("'kubeadm version %s' stdout did not match expected regex; wanted: [%q], got: [%s]", rt.args, rt.regex, stdout)
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}
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}
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}
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}
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func TestCmdVersionOutputJsonOrYaml(t *testing.T) {
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if *kubeadmCmdSkip {
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t.Log("kubeadm cmd tests being skipped")
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t.Skip()
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}
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var versionTest = []struct {
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args string
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format string
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expected bool
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}{
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{"--output=json", "json", true},
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{"--output=yaml", "yaml", true},
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}
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for _, rt := range versionTest {
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stdout, _, actual := RunCmd(*kubeadmPath, "version", rt.args)
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if (actual == nil) != rt.expected {
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t.Errorf(
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"failed CmdVersion running 'kubeadm version %s' with an error: %v\n\texpected: %t\n\t actual: %t",
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rt.args,
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actual,
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rt.expected,
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(actual == nil),
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)
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}
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if rt.expected {
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var obj interface{}
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switch rt.format {
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case "json":
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err := json.Unmarshal([]byte(stdout), &obj)
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if err != nil {
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t.Errorf("failed to parse json from 'kubeadm version %s': %s", rt.args, err)
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}
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case "yaml":
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err := yaml.Unmarshal([]byte(stdout), &obj)
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if err != nil {
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t.Errorf("failed to parse yaml from 'kubeadm version %s': %s", rt.args, err)
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}
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}
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m := obj.(map[string]interface{})
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if m["clientVersion"] == nil {
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t.Errorf("failed to get the infomation of clientVersion from 'kubeadm version %s'", rt.args)
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}
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info := m["clientVersion"].(map[string]interface{})
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for _, key := range VersionInfo {
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if len(info[key].(string)) == 0 {
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t.Errorf("failed to get the infomation of %s from 'kubeadm version %s'", key, rt.args)
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}
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}
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}
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}
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}
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