gNMI-1.28:Changes to support Juniper Devices

[priyaranjannanda]

• Changes to add deviation state_path_unsupported for Juniper Platform
• Changes to testTelemetryInterfacesStateSubinterface for subinterfaceindex to 0 for Juniper.

[gemini-code-assist]

Summary of Changes

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This pull request enhances the gNMI telemetry interface test suite to provide better compatibility with Juniper platforms. By introducing platform-specific deviations and adjusting test parameters for subinterface indexing, the changes ensure that the automated tests correctly handle Juniper's device requirements without impacting other platforms.

Highlights

• Juniper Platform Support: Added a new platform exception for Juniper devices to include the state_path_unsupported deviation in the metadata configuration.
• Test Logic Adjustments: Updated the telemetry interface test to set the subinterface index to 0 for Juniper devices and modified the cleanup logic to target specific configurations.

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[OpenConfigBot]

Pull Request Functional Test Report for #5595 / 28656c7

Virtual Devices

Device	Test	Test Documentation	Job	Raw Log
Arista cEOS		gNMI-1.28: Telemetry: Interface openconfig validation.
Cisco 8000E		gNMI-1.28: Telemetry: Interface openconfig validation.
Cisco XRd		gNMI-1.28: Telemetry: Interface openconfig validation.
Juniper ncPTX		gNMI-1.28: Telemetry: Interface openconfig validation.
Nokia SR Linux		gNMI-1.28: Telemetry: Interface openconfig validation.
Openconfig Lemming		gNMI-1.28: Telemetry: Interface openconfig validation.

Hardware Devices

Device	Test	Test Documentation	Raw Log
Arista 7808		gNMI-1.28: Telemetry: Interface openconfig validation.
Cisco 8808		gNMI-1.28: Telemetry: Interface openconfig validation.
Juniper PTX10008		gNMI-1.28: Telemetry: Interface openconfig validation.
Nokia 7250 IXR-10e		gNMI-1.28: Telemetry: Interface openconfig validation.

Help

[gemini-code-assist]

Code Review

This pull request introduces platform-specific logic for Juniper devices in telemetry_interfaces_test.go to set the subinterface index to 0 and delete only the subinterface description configuration. It also adds a platform exception block for Juniper in metadata.textproto. The review feedback correctly points out that hardcoding vendor-specific checks violates the repository's Deviation Guidelines. The reviewer recommends defining a new deviation, SubinterfaceZeroOnly, using it in the test code, and enabling it in the metadata file.

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