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Add validation of apiserver-advertise-address

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This commit is contained in:
Lion-Wei 2017-12-28 20:37:15 +08:00
parent 6a7656b693
commit a0acc28b62
2 changed files with 7 additions and 2 deletions
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2
cmd/kubeadm/app/cmd/phases/addons.go
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@ -144,7 +144,7 @@ func getAddonsSubCommands() []*cobra.Command {
cmd.Flags().StringVar(&cfg.ImageRepository, "image-repository", cfg.ImageRepository, `Choose a container registry to pull control plane images from`)
if properties.use == "all" || properties.use == "kube-proxy" {
cmd.Flags().StringVar(&cfg.API.AdvertiseAddress, "apiserver-advertise-address", cfg.API.AdvertiseAddress, `The IP address or DNS name the API server is accessible on`)
cmd.Flags().StringVar(&cfg.API.AdvertiseAddress, "apiserver-advertise-address", cfg.API.AdvertiseAddress, `The IP address the API server is accessible on`)
cmd.Flags().Int32Var(&cfg.API.BindPort, "apiserver-bind-port", cfg.API.BindPort, `The port the API server is accessible on`)
cmd.Flags().StringVar(&cfg.Networking.PodSubnet, "pod-network-cidr", cfg.Networking.PodSubnet, `The range of IP addresses used for the Pod network`)
}

7
cmd/kubeadm/app/util/config/masterconfig.go
View File

@ -37,9 +37,14 @@ import (
// SetInitDynamicDefaults checks and sets configuration values for Master node
func SetInitDynamicDefaults(cfg *kubeadmapi.MasterConfiguration) error {
// validate cfg.API.AdvertiseAddress.
addressIP := net.ParseIP(cfg.API.AdvertiseAddress)
if addressIP == nil && cfg.API.AdvertiseAddress != "" {
return fmt.Errorf("couldn't use \"%s\" as \"apiserver-advertise-address\", must be ipv4 or ipv6 address", cfg.API.AdvertiseAddress)
}
// Choose the right address for the API Server to advertise. If the advertise address is localhost or 0.0.0.0, the default interface's IP address is used
// This is the same logic as the API Server uses
ip, err := netutil.ChooseBindAddress(net.ParseIP(cfg.API.AdvertiseAddress))
ip, err := netutil.ChooseBindAddress(addressIP)
if err != nil {
return err
}