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add master address desc into kubeadm join and some validations

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Signed-off-by: bruceauyeung <ouyang.qinhua@zte.com.cn>
This commit is contained in:
bruceauyeung 2016-11-02 15:30:14 +08:00
parent d7b6245ab0
commit 3616a04177
1 changed files with 5 additions and 3 deletions
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8
cmd/kubeadm/app/cmd/join.go
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@ -55,7 +55,7 @@ func NewCmdJoin(out io.Writer) *cobra.Command {
var cfgPath string
cmd := &cobra.Command{
Use: "join",
Use: "join <master address>",
Short: "Run this on any machine you wish to join an existing cluster",
Run: func(cmd *cobra.Command, args []string) {
j, err := NewJoin(cfgPath, args, &cfg, skipPreFlight)
@ -104,11 +104,13 @@ func NewJoin(cfgPath string, args []string, cfg *kubeadmapi.NodeConfiguration, s
}
}
// 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 && len(cfg.MasterAddresses) == 0 {
return nil, fmt.Errorf("must specify master IP address (see --help)")
return nil, fmt.Errorf("must specify master address (see --help)")
}
cfg.MasterAddresses = append(cfg.MasterAddresses, args...)
if len(cfg.MasterAddresses) > 1 {
return nil, fmt.Errorf("Must not specify more than one master address (see --help)")
}
if !skipPreFlight {
fmt.Println("Running pre-flight checks")