[201911] [multi_asic] Script to monitor errors on internal links #2971
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What I did
Added script to monitor SAI_PORT_STAT_IF_IN_ERRORS & SAI_PORT_STAT_IF_OUT_ERRORS on internal (backend) ports of multi-asic device.
Duplicate of #2966. Addressed comments provided there
How I did it
Script is added to monit to regularly scan and check for errors on internal ports. If error count is above configured threshold, and the internal port-channel has more than min_links active links, then the port is shut down and syslog is generated.
How to verify it
UT cases are added to test the error detection.
Previous command output (if the output of a command-line utility has changed)
New command output (if the output of a command-line utility has changed)