How to intigration gitlab with Vsphere Vcenter

Hello All,

can some one advice/help how to intigration gitlab with Vsphere Vcenter.

setup: i have gitlab runners running for IAC with Terraform.
So currently this gitlab is being used as IAC for AWS and Azure.

Now i am trying to use for the Vmware.
for the test purpose i am able to deploy the VMs in vsphere without gitlab.
when start using the gitlab for the IAC with terraform pipeline, i am able to complete till
init>validate>plan stages after the merge. i am ubale to get the Apply stage.
I suspect is that gitlab runners not able to make connection with Vcenter ?

or coukd you please help here how to move forward.

please let me know if any mopre info required.

your help greatly appreciated.