RFE: Provide an API to control deployment of dynamic networks controller

[orelmisan]

Is your feature request related to a problem? Please describe:
Currently, most SIG-network lanes use Multus v3 without the dynamic-networks-controller.
We are interested in having Multus v4 deployed on all lanes owned by SIG-network.

kubevirtci provides the following configuration options: Multus v3 or Multus v4 with the dynamic-networks-controller.
We would like to have the ability to configure CNAO to deploy Multus V4 without the dynamic-networks-controller.

The following environment variables are enabled on most SIG-network lanes:

• KUBEVIRT_WITH_MULTUS_V3=true
• KUBEVIRT_WITH_CNAO=true

They cause kubevirtci to invoke gocli with the following command line options:

• --deploy-multus
• --enable-cnao

When these two command line options are enabled, CNAO is configured to not deploy Multus and the dynamic-networks-controller.

Describe the solution you'd like:
A new environment variable could be introduced in order to enable / disable the deployment of the dynamic-networks-controller.

Describe alternatives you've considered:
A clear and concise description of any alternative solutions or features you've considered.

Additional context:
Following the adjustments of lane to use Multus v4, support for Multus v3 deployment could be dropped.

[dhiller]

/help

[kubevirt-bot]

@dhiller:
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