Skip guid config if no guid passed in the conf

[Mmduh-483]

Prevent cni failing if no guid pass and skip guid configuring which supports deployments that rely on GUIDs being pre configured on the VF e.g not using ib-kubernetes to allocate guids and want to allow CNI to set up the VF without GUID configuration

[coveralls]

Pull Request Test Coverage Report for Build 124

• 18 of 18 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 42.715%

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Totals
Change from base Build 94:	0.0%
Covered Lines:	214
Relevant Lines:	501

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💛 - Coveralls

[adrianchiris]

can you explain in the commit message why the commit is needed as well?

[adrianchiris]

Overall PR is good, just need a more informative commit messge :)

[Mmduh-483]

Overall PR is good, just need a more informative commit messge :)

@adrianchiris updated the commit message

[adrianchiris]

So regarding the commit message, can you add why we would like the CNI to not fail ?

i.e for deployments that rely on GUIDs being pre configured on the VF e.g dont use ib-kubernetes to allocate guids we want to allow CNI to set up the VF without GUID configuration

[Mmduh-483]

@adrianchiris updated the commit message

[zshi-redhat]

How would the VF GUID shall be pre-configured, if not via CNI?

[Mmduh-483]

@zshi-redhat It can be pre-configured by the user, third-party tool, or the operator (there is a PR for it)