Description of PR (Draft)

Added new test case to verify MAC address is correct after SONiC-to-SONiC update.

Test case performs:

• SONiC-to-SONiC update
• Verifies that MAC address was read correctly and its value fits the MAC address template after image update

Test case steps:

• Parse parameters: image1, image2, iterations
  In the loop:
• Select/flip image
• Download selected image and copy it to the device
• Init loganalyzer
• Install copied image
• Reboot device
• Verify MAC address fits "xx:xx:xx:xx:xx:xx" template
• Run loganalyzer
• Analyze loganalyzer results

Test case parameters:
image1,image2 - URL to the SONIC binary image
iterations - Number of times to switch between two images and perform MAC verification

PASS/FAIL criteria:
After install SONiC image and reboot device:

• MAC address in CONFIG_DB must match to 6 byte template "xx:xx:xx:xx:xx:xx"
• Error messages about "None" MAC address are absent in Syslog

Summary:
Fixes #

Type of change

• [] Bug fix
• [] Testbed and Framework(new/improvement)
• New test case

Approach

How did you do it?

How did you verify/test it?

Tested on our local testbed.
Test case expect the following parameters:
-e image1=http://IP_ADDR/SERVER_URL/IMAGE_NAME.bin
-e image2=http://IP_ADDR/SERVER_URL/IMAGE_NAME.bin
-e iterations=INT_NUMBER

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation

Notes

As it is draft PR, new features/improvements are planned to be added:

• Add option to copy and load minigraph after device reboot (to be able to run this test case on older and newer images) with similar expected behavior
• Update "read_mac_metadata_loop.yml" to use "reduce_and_add_sonic_images.yml"
• Check that password can be passed from shell, if not add such possibility