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Merge pull request #70795 from yuexiao-wang/print-join-command 

kubeadm: print the join command
pull/58/head
k8s-ci-robot 2018-11-13 10:11:21 -08:00 committed by GitHub
parent 9199025b24 5851fd556b
commit bfb95290b9
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 10 deletions
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31
cmd/kubeadm/app/cmd/init.go
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@ -150,6 +150,9 @@ func NewCmdInit(out io.Writer) *cobra.Command {
// via the subcommands automatically created by initRunner.BindToCommand
err = runInit(&data, out)
kubeadmutil.CheckErr(err)
err = showJoinCommand(&data, out)
kubeadmutil.CheckErr(err)
},
}
@ -395,6 +398,9 @@ func (d initData) KubeConfigDir() string {
// KubeConfigPath returns the path to the kubeconfig file to use for connecting to Kubernetes
func (d initData) KubeConfigPath() string {
if d.dryRun {
d.kubeconfigPath = filepath.Join(d.dryRunDir, kubeadmconstants.AdminKubeConfigFileName)
}
return d.kubeconfigPath
}
@ -456,10 +462,9 @@ func (d initData) Tokens() []string {
// runInit executes master node provisioning
func runInit(i *initData, out io.Writer) error {
// Get directories to write files to; can be faked if we're dry-running
klog.V(1).Infof("[init] Getting certificates directory from configuration")
certsDirToWriteTo, kubeConfigDir, _, _, err := getDirectoriesToUse(i.dryRun, i.dryRunDir, i.cfg.CertificatesDir)
certsDirToWriteTo, _, _, _, err := getDirectoriesToUse(i.dryRun, i.dryRunDir, i.cfg.CertificatesDir)
if err != nil {
return errors.Wrap(err, "error getting directories to use")
}
@ -467,8 +472,6 @@ func runInit(i *initData, out io.Writer) error {
// certsDirToWriteTo is gonna equal cfg.CertificatesDir in the normal case, but gonna be a temp directory if dryrunning
i.cfg.CertificatesDir = certsDirToWriteTo
adminKubeConfigPath := filepath.Join(kubeConfigDir, kubeadmconstants.AdminKubeConfigFileName)
// TODO: client and waiter are temporary until the rest of the phases that use them
// are removed from this function.
client, err := i.Client()
@ -505,12 +508,6 @@ func runInit(i *initData, out io.Writer) error {
return nil
}
// Prints the join command, multiple times in case the user has multiple tokens
for _, token := range i.Tokens() {
if err := printJoinCommand(out, adminKubeConfigPath, token, i.skipTokenPrint); err != nil {
return errors.Wrap(err, "failed to print join command")
}
}
return nil
}
@ -538,3 +535,17 @@ func getDirectoriesToUse(dryRun bool, dryRunDir string, defaultPkiDir string) (s
return defaultPkiDir, kubeadmconstants.KubernetesDir, kubeadmconstants.GetStaticPodDirectory(), kubeadmconstants.KubeletRunDirectory, nil
}
// showJoinCommand prints the join command after all the phases in init have finished
func showJoinCommand(i *initData, out io.Writer) error {
adminKubeConfigPath := i.KubeConfigPath()
// Prints the join command, multiple times in case the user has multiple tokens
for _, token := range i.Tokens() {
if err := printJoinCommand(out, adminKubeConfigPath, token, i.skipTokenPrint); err != nil {
return errors.Wrap(err, "failed to print join command")
}
}
return nil
}