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kubeadm join: Wait longer for TLS bootstrapping

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The TLS bootstrapping timeout is increased to 5 minutes with a retry
once every 5 seconds. Failing fast if the kubelet is not healthy is also
preserved.

Signed-off-by: Rostislav M. Georgiev <rostislavg@vmware.com>
This commit is contained in:
Rostislav M. Georgiev 2020-04-01 17:46:30 +03:00
parent c1fc466cdd
commit d2c4426e97
2 changed files with 4 additions and 2 deletions
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2
cmd/kubeadm/app/cmd/phases/join/kubelet.go
View File

@ -204,7 +204,7 @@ func waitForTLSBootstrappedClient() error {
fmt.Println("[kubelet-start] Waiting for the kubelet to perform the TLS Bootstrap...")
// Loop on every falsy return. Return with an error if raised. Exit successfully if true is returned.
return wait.PollImmediate(kubeadmconstants.APICallRetryInterval, kubeadmconstants.TLSBootstrapTimeout, func() (bool, error) {
return wait.PollImmediate(kubeadmconstants.TLSBootstrapRetryInterval, kubeadmconstants.TLSBootstrapTimeout, func() (bool, error) {
// Check that we can create a client set out of the kubelet kubeconfig. This ensures not
// only that the kubeconfig file exists, but that other files required by it also exist (like
// client certificate and key)

4
cmd/kubeadm/app/constants/constants.go
View File

@ -182,7 +182,9 @@ const (
// PatchNodeTimeout specifies how long kubeadm should wait for applying the label and taint on the control-plane before timing out
PatchNodeTimeout = 2 * time.Minute
// TLSBootstrapTimeout specifies how long kubeadm should wait for the kubelet to perform the TLS Bootstrap
TLSBootstrapTimeout = 2 * time.Minute
TLSBootstrapTimeout = 5 * time.Minute
// TLSBootstrapRetryInterval specifies how long kubeadm should wait before retrying the TLS Bootstrap check
TLSBootstrapRetryInterval = 5 * time.Second
// PullImageRetry specifies how many times ContainerRuntime retries when pulling image failed
PullImageRetry = 5
// PrepullImagesInParallelTimeout specifies how long kubeadm should wait for prepulling images in parallel before timing out