fix: Only consider VirtualPCIPassthroughDeviceBackingInfo devices

[tenthirtyam]

Description

Adds conditional to avoid a provider panic when a vGPU is added as a PCI device outside of Terraform to a virtual machine.

Testing

• Esisting viirtual machine resource
• Shutdown virtual machine
• Add NVIDIA vGPU
• Power on virtual machine
• Run terraform apply with DEBUG logging.

❯ TF_LOG=DEBUG TF_LOG_PATH=debug.txt terraform apply -auto-approve
vsphere_virtual_machine.vm: Refreshing state... [id=420c9aa5-4402-fd89-ff97-748c986b3c77]

No changes. Your infrastructure matches the configuration.

Terraform has compared your real infrastructure against your configuration and found no differences, so no changes are needed.

Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

Debug Log Message:

2022-03-18T18:15:49.176-0400 [INFO]  provider.terraform-provider-vsphere_v2.2.0: 2022/03/18 18:15:49 [DEBUG] vsphere_virtual_machine (ID = 420c9aa5-4402-fd89-ff97-748c986b3c77): PCI passthrough device &{{} "PCI device 0" "Dynamic DirectPath"} has no backing ID: timestamp=2022-03-18T18:15:49.176-0400

Release Note

resource/virtual_machine: Fixes provider panic when a vGPU is added as a PCI device direclty to a virtual machine. (GH-1627)

References

Closes #1265

[github-actions]

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