Skip k8s client creation when reading local file.

[dpasiukevich]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Make the tool more robust. Don't read/run k8s client config when reading local file. E.g. user may have incorrect/incompatible .kube_config but the user tries to convert a local file. .kube_config file should not affect the tool run in such case.

I've checked all providers, none needs a k8sclient to translate a local file, which is expected.

Which issue(s) this PR fixes:

Fixes #127

Does this PR introduce a user-facing change?:

Skip k8s client creation when reading local file.

[levikobi]

Thanks @dpasiukevich
/lgtm

[levikobi]

/cc @LiorLieberman

[LiorLieberman]

@dpasiukevich I think it also fixes #122 right?

[dpasiukevich]

/hold

for the controlled merge

[dpasiukevich]

@dpasiukevich I think it also fixes #122 right?

Yes, by the looks it should fix this issue as well. Let me double check that case later today and close that issue if it's the case.

[LiorLieberman]

Yes, by the looks it should fix this issue as well. Let me double check that case later today and close that issue if it's the case.

SG
/unhold
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dpasiukevich, LiorLieberman

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