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Merge pull request #61869 from mikedanese/serverauth1

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Automatic merge from submit-queue (batch tested with PRs 54997, 61869, 61816, 61909, 60525). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

certs: only append locally discovered addresses when we get none from the cloudprovider

The cloudprovider is right, and only cloudprovider addresses can be verified centrally, so don't add any extra when we have them.
This commit is contained in:
Kubernetes Submit Queue 2018-03-30 20:13:06 -07:00 committed by GitHub
commit 9c67d76bf6
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1 changed files with 15 additions and 7 deletions
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22
pkg/kubelet/kubelet.go
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@ -737,20 +737,28 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
klet.statusManager = status.NewManager(klet.kubeClient, klet.podManager, klet)
if utilfeature.DefaultFeatureGate.Enabled(features.RotateKubeletServerCertificate) && kubeDeps.TLSOptions != nil {
var ips []net.IP
cfgAddress := net.ParseIP(kubeCfg.Address)
if cfgAddress == nil || cfgAddress.IsUnspecified() {
var (
ips []net.IP
names []string
)
// If the address was explicitly configured, use that. Otherwise, try to
// discover addresses from the cloudprovider. Otherwise, make a best guess.
if cfgAddress := net.ParseIP(kubeCfg.Address); cfgAddress != nil && !cfgAddress.IsUnspecified() {
ips = []net.IP{cfgAddress}
names = []string{klet.GetHostname(), hostnameOverride}
} else if len(cloudIPs) != 0 || len(cloudNames) != 0 {
ips = cloudIPs
names = cloudNames
} else {
localIPs, err := allGlobalUnicastIPs()
if err != nil {
return nil, err
}
ips = localIPs
} else {
ips = []net.IP{cfgAddress}
names = []string{klet.GetHostname(), hostnameOverride}
}
ips = append(ips, cloudIPs...)
names := append([]string{klet.GetHostname(), hostnameOverride}, cloudNames...)
klet.serverCertificateManager, err = kubeletcertificate.NewKubeletServerCertificateManager(klet.kubeClient, kubeCfg, klet.nodeName, ips, names, certDirectory)
if err != nil {
return nil, fmt.Errorf("failed to initialize certificate manager: %v", err)