service.instance.id is not added because of empty podName

[janario]

Component(s)

No response

What happened?

Description

Some providers require the service.instance.id to be present in order to group some of their metrics.

But noticed into our scenarios that while the pod is being created the name may be empty and service.instance.id would not be provided.

Related to: open-telemetry/semantic-conventions#312

Fix at: #2678

Steps to Reproduce

Expected Result

service.instance.id should be added to the pod attibutes

Actual Result

Absence of service.instance.id due to pod name be empty

Kubernetes Version

1.25

Operator version

0.93.0 (0.47.0 chart)

Collector version

0.93.0

Environment information

Environment

OS: (e.g., "Ubuntu 20.04")
Compiler(if manually compiled): (e.g., "go 14.2")

Log output

No response

Additional context

No response