sonic-mgmt: Fix namespace issues for qos tests on T2 single ASIC #15708
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Type of change
Back port request
Approach
What is the motivation for this PR?
We are seeing UnboundLocalError when running sonic-mgmt tests against a single-ASIC linecard:
Upon further investigation, this was determined to be happening because a previous attempt to fix this issue (PR #13700) completely omitted the ASIC prefix, but the entries in SYSTEM_PORT in config_db do have an Asic0 prefix even on a single ASIC DUT.
How did you do it?
Resolve this by specifically adding the Asic0 prefix in the case of a single-ASIC T2 DUT, instead of leaving the prefix out.
How did you verify/test it?
Tested by manually running qos tests on a T2 single ASIC DUT with these changes.
Any platform specific information?
Supported testbed topology if it's a new test case?
Documentation