fix task Set label to node

[DANic-git]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

/kind bug

What this PR does / why we need it:

Hardening required that kubernetes Kubelet must deny hostname override

kubespray/roles/kubernetes/node/templates/kubelet.env.v1beta1.j2

Line 3 in 24dc4ce

{% if kube_override_hostname|default('') %}

It's possible only if kube_override_hostname is empty

But when kube_override_hostname is empty, task Set label to node is broken, because {{ kube_override_hostname | default(inventory_hostname) }} is empty too

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: DANic-git / name: Daniil Muidinov (20a5784)

[k8s-ci-robot]

Hi @DANic-git. Thanks for your PR.

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[yankay]

/ok-to-test

[yankay]

Thanks @DANic-git
/lgtm

[ant31]

/approve

[k8s-ci-robot]

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