bc25b1a708
Automatic merge from submit-queue (batch tested with PRs 66094, 65676). 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>. Add a timeout when fetching latest version **What this PR does / why we need it**: When there is no internet on the node and `--kubernetes-versio`n is not specified running `kubeadm init` hangs forever with no text output. **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes https://github.com/kubernetes/kubeadm/issues/986 **Special notes for your reviewer**: Using the same duration as the existing timeout `externalEtcdRequestTimeout` Sample output: ``` kubeadm init unable to get URL "https://dl.k8s.io/release/stable-1.11.txt": Get https://dl.k8s.io/release/stable-1.11.txt: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers) ``` **Release note**: ```release-note kubeadm: use an HTTP request timeout when fetching the latest version of Kubernetes from dl.k8s.io ```