// RunJoin executes worked node provisioning and tries to join an existing cluster.
func RunJoin(out io.Writer, cmd *cobra.Command, args []string, s *kubeadmapi.KubeadmConfig) error {
// TODO(phase1+) this we are missing args from the help text, there should be a way to tell cobra about it
if len(args) == 0 {
return fmt.Errorf("<cmd/join> must specify master IP address (see --help)")
}
for _, i := range args {
addr := net.ParseIP(i) // TODO(phase1+) should allow resolvable names too
if addr == nil {
return fmt.Errorf("<cmd/join> failed to parse argument (%q) as an IP address", i)
}
s.JoinFlags.MasterAddrs = append(s.JoinFlags.MasterAddrs, addr)
}
ok, err := kubeadmutil.UseGivenTokenIfValid(s)
if !ok {
if err != nil {
return fmt.Errorf("<cmd/join> %v (see --help)\n", err)
}
return fmt.Errorf("Must specify --token (see --help)\n")
}
kubeconfig, err := kubenode.RetrieveTrustedClusterInfo(s)
if err != nil {
return err
}
err = kubeadmutil.WriteKubeconfigIfNotExists(s, "kubelet", kubeconfig)
if err != nil {
return err
}
fmt.Fprintf(out, joinDoneMsgf)
return nil
}
// RunJoin executes worked node provisioning and tries to join an existing cluster.
func RunJoin(out io.Writer, cmd *cobra.Command, args []string, s *kubeadmapi.NodeConfiguration) error {
// TODO(phase1+) this we are missing args from the help text, there should be a way to tell cobra about it
if len(args) == 0 {
return fmt.Errorf("<cmd/join> must specify master IP address (see --help)")
}
s.MasterAddresses = append(s.MasterAddresses, args...)
ok, err := kubeadmutil.UseGivenTokenIfValid(&s.Secrets)
if !ok {
if err != nil {
return fmt.Errorf("<cmd/join> %v (see --help)\n", err)
}
return fmt.Errorf("Must specify --token (see --help)\n")
}
kubeconfig, err := kubenode.RetrieveTrustedClusterInfo(s)
if err != nil {
return err
}
err = kubeadmutil.WriteKubeconfigIfNotExists("kubelet", kubeconfig)
if err != nil {
return err
}
fmt.Fprintf(out, joinDoneMsgf)
return nil
}
// Run executes worked node provisioning and tries to join an existing cluster.
func (j *Join) Run(out io.Writer) error {
clusterInfo, err := kubenode.RetrieveTrustedClusterInfo(j.cfg)
if err != nil {
return err
}
connectionDetails, err := kubenode.EstablishMasterConnection(j.cfg, clusterInfo)
if err != nil {
return err
}
err = kubenode.CheckForNodeNameDuplicates(connectionDetails)
if err != nil {
return err
}
kubeconfig, err := kubenode.PerformTLSBootstrap(connectionDetails)
if err != nil {
return err
}
err = kubeadmutil.WriteKubeconfigIfNotExists("kubelet", kubeconfig)
if err != nil {
return err
}
fmt.Fprintf(out, joinDoneMsgf)
return nil
}
// RunJoin executes worked node provisioning and tries to join an existing cluster.
func RunJoin(out io.Writer, cmd *cobra.Command, args []string, s *kubeadmapi.NodeConfiguration, skipPreFlight bool) error {
// TODO(phase1+) this we are missing args from the help text, there should be a way to tell cobra about it
if !skipPreFlight {
fmt.Println("Running pre-flight checks")
err := preflight.RunJoinNodeChecks()
if err != nil {
return err
}
} else {
fmt.Println("Skipping pre-flight checks")
}
if len(args) == 0 {
return fmt.Errorf("<cmd/join> must specify master IP address (see --help)")
}
s.MasterAddresses = append(s.MasterAddresses, args...)
ok, err := kubeadmutil.UseGivenTokenIfValid(&s.Secrets)
if !ok {
if err != nil {
return fmt.Errorf("<cmd/join> %v (see --help)\n", err)
}
return fmt.Errorf("Must specify --token (see --help)\n")
}
clusterInfo, err := kubenode.RetrieveTrustedClusterInfo(s)
if err != nil {
return err
}
connectionDetails, err := kubenode.EstablishMasterConnection(s, clusterInfo)
if err != nil {
return err
}
kubeconfig, err := kubenode.PerformTLSBootstrap(connectionDetails)
if err != nil {
return err
}
err = kubeadmutil.WriteKubeconfigIfNotExists("kubelet", kubeconfig)
if err != nil {
return err
}
fmt.Fprintf(out, joinDoneMsgf)
return nil
}
// runTokenDiscovery executes token-based discovery.
func runTokenDiscovery(td *kubeadmapi.TokenDiscovery) (*clientcmdapi.Config, error) {
if valid, err := kubeadmutil.ValidateToken(td); valid == false {
return nil, err
}
clusterInfo, err := kubenode.RetrieveTrustedClusterInfo(td)
if err != nil {
return nil, err
}
cfg, err := kubenode.EstablishMasterConnection(td, clusterInfo)
if err != nil {
return nil, err
}
return cfg, nil
}
// Run executes worked node provisioning and tries to join an existing cluster.
func (j *Join) Run(out io.Writer) error {
clusterInfo, err := kubenode.RetrieveTrustedClusterInfo(j.cfg.Discovery.Token)
if err != nil {
return err
}
var cfg *clientcmdapi.Config
// TODO: delete this first block when we move Token to the discovery interface
if j.cfg.Discovery.Token != nil {
connectionDetails, err := kubenode.EstablishMasterConnection(j.cfg.Discovery.Token, clusterInfo)
if err != nil {
return err
}
err = kubenode.CheckForNodeNameDuplicates(connectionDetails)
if err != nil {
return err
}
cfg, err = kubenode.PerformTLSBootstrapDeprecated(connectionDetails)
if err != nil {
return err
}
} else {
cfg, err = discovery.For(j.cfg.Discovery)
if err != nil {
return err
}
if err := kubenode.PerformTLSBootstrap(cfg); err != nil {
return err
}
}
err = kubeadmutil.WriteKubeconfigIfNotExists("kubelet", cfg)
if err != nil {
return err
}
fmt.Fprintf(out, joinDoneMsgf)
return nil
}