// RunCreateToken generates a new bootstrap token and stores it as a secret on the server.
func RunCreateToken(out io.Writer, cmd *cobra.Command, tokenDuration time.Duration, token string) error {
client, err := kubemaster.CreateClientFromFile(path.Join(kubeadmapi.GlobalEnvParams.KubernetesDir, "admin.conf"))
if err != nil {
return err
}
d := &kubeadmapi.TokenDiscovery{}
if token != "" {
parsedID, parsedSecret, err := kubeadmutil.ParseToken(token)
if err != nil {
return err
}
d.ID = parsedID
d.Secret = parsedSecret
}
err = kubeadmutil.GenerateTokenIfNeeded(d)
if err != nil {
return err
}
err = kubeadmutil.UpdateOrCreateToken(client, d, tokenDuration)
if err != nil {
return err
}
fmt.Fprintln(out, kubeadmutil.BearerToken(d))
return nil
}
// RunCreateToken generates a new bootstrap token and stores it as a secret on the server.
func RunCreateToken(out io.Writer, cmd *cobra.Command, tokenDuration time.Duration, token string) error {
client, err := kubemaster.CreateClientFromFile(path.Join(kubeadmapi.GlobalEnvParams.KubernetesDir, kubeconfig.AdminKubeConfigFileName))
if err != nil {
return err
}
parsedID, parsedSecret, err := kubeadmutil.ParseToken(token)
if err != nil {
return err
}
td := &kubeadmapi.TokenDiscovery{ID: parsedID, Secret: parsedSecret}
err = kubeadmutil.UpdateOrCreateToken(client, td, tokenDuration)
if err != nil {
return err
}
fmt.Fprintln(out, kubeadmutil.BearerToken(td))
return nil
}
// Run executes master node provisioning, including certificates, needed static pod manifests, etc.
func (i *Init) Run(out io.Writer) error {
if i.cfg.Discovery.Token != nil {
if err := kubemaster.PrepareTokenDiscovery(i.cfg.Discovery.Token); err != nil {
return err
}
if err := kubemaster.CreateTokenAuthFile(kubeadmutil.BearerToken(i.cfg.Discovery.Token)); err != nil {
return err
}
}
if err := kubemaster.WriteStaticPodManifests(i.cfg); err != nil {
return err
}
caKey, caCert, err := kubemaster.CreatePKIAssets(i.cfg)
if err != nil {
return err
}
kubeconfigs, err := kubemaster.CreateCertsAndConfigForClients(i.cfg.API, []string{"kubelet", "admin"}, caKey, caCert)
if err != nil {
return err
}
// kubeadm is responsible for writing the following kubeconfig file, which
// kubelet should be waiting for. Help user avoid foot-shooting by refusing to
// write a file that has already been written (the kubelet will be up and
// running in that case - they'd need to stop the kubelet, remove the file, and
// start it again in that case).
// TODO(phase1+) this is no longer the right place to guard against foo-shooting,
// we need to decide how to handle existing files (it may be handy to support
// importing existing files, may be we could even make our command idempotant,
// or at least allow for external PKI and stuff)
for name, kubeconfig := range kubeconfigs {
if err := kubeadmutil.WriteKubeconfigIfNotExists(name, kubeconfig); err != nil {
return err
}
}
client, err := kubemaster.CreateClientAndWaitForAPI(kubeconfigs["admin"])
if err != nil {
return err
}
if err := kubemaster.UpdateMasterRoleLabelsAndTaints(client, false); err != nil {
return err
}
if i.cfg.Discovery.Token != nil {
fmt.Printf("[token-discovery] Using token: %s\n", kubeadmutil.BearerToken(i.cfg.Discovery.Token))
if err := kubemaster.CreateDiscoveryDeploymentAndSecret(i.cfg, client, caCert); err != nil {
return err
}
if err := kubeadmutil.UpdateOrCreateToken(client, i.cfg.Discovery.Token, kubeadmutil.DefaultTokenDuration); err != nil {
return err
}
}
if err := kubemaster.CreateEssentialAddons(i.cfg, client); err != nil {
return err
}
fmt.Fprintf(out, initDoneMsgf, generateJoinArgs(i.cfg))
return nil
}
// Run executes master node provisioning, including certificates, needed static pod manifests, etc.
func (i *Init) Run(out io.Writer) error {
// PHASE 1: Generate certificates
caCert, err := certphase.CreatePKIAssets(i.cfg, kubeadmapi.GlobalEnvParams.HostPKIPath)
if err != nil {
return err
}
// PHASE 2: Generate kubeconfig files for the admin and the kubelet
// TODO this is not great, but there is only one address we can use here
// so we'll pick the first one, there is much of chance to have an empty
// slice by the time this gets called
masterEndpoint := fmt.Sprintf("https://%s:%d", i.cfg.API.AdvertiseAddresses[0], i.cfg.API.Port)
err = kubeconfigphase.CreateAdminAndKubeletKubeConfig(masterEndpoint, kubeadmapi.GlobalEnvParams.HostPKIPath, kubeadmapi.GlobalEnvParams.KubernetesDir)
if err != nil {
return err
}
// TODO: It's not great to have an exception for token here, but necessary because the apiserver doesn't handle this properly in the API yet
// but relies on files on disk for now, which is daunting.
if i.cfg.Discovery.Token != nil {
if err := kubemaster.CreateTokenAuthFile(kubeadmutil.BearerToken(i.cfg.Discovery.Token)); err != nil {
return err
}
}
// Phase 3: Bootstrap the control plane
if err := kubemaster.WriteStaticPodManifests(i.cfg); err != nil {
return err
}
client, err := kubemaster.CreateClientAndWaitForAPI(path.Join(kubeadmapi.GlobalEnvParams.KubernetesDir, kubeconfigphase.AdminKubeConfigFileName))
if err != nil {
return err
}
if i.cfg.AuthorizationMode == "RBAC" {
err = apiconfig.CreateBootstrapRBACClusterRole(client)
if err != nil {
return err
}
err = apiconfig.CreateKubeDNSRBACClusterRole(client)
if err != nil {
return err
}
// TODO: remove this when https://github.com/kubernetes/kubeadm/issues/114 is fixed
err = apiconfig.CreateKubeProxyClusterRoleBinding(client)
if err != nil {
return err
}
}
if err := kubemaster.UpdateMasterRoleLabelsAndTaints(client, false); err != nil {
return err
}
if i.cfg.Discovery.Token != nil {
fmt.Printf("[token-discovery] Using token: %s\n", kubeadmutil.BearerToken(i.cfg.Discovery.Token))
if err := kubemaster.CreateDiscoveryDeploymentAndSecret(i.cfg, client, caCert); err != nil {
return err
}
if err := kubeadmutil.UpdateOrCreateToken(client, i.cfg.Discovery.Token, kubeadmutil.DefaultTokenDuration); err != nil {
return err
}
}
if err := kubemaster.CreateEssentialAddons(i.cfg, client); err != nil {
return err
}
fmt.Fprintf(out, initDoneMsgf, generateJoinArgs(i.cfg))
return nil
}