[copp tables] validate copp tables during in/cross-branch upgrades

[AntonHryshchuk]

Description of PR

Summary: Update the test test_upgrade_path.py to support validation of the copp tables after in/cross-branch upgrades.
Added validation after upgrade, to compare copp tables with copp_cfg.json file.
Fixes #8085

Type of change

• Bug fix
• Testbed and Framework(new/improvement)
• Test case(new/improvement)

Back port request

• 201911
• 202012
• 202205

Approach

What is the motivation for this PR?

Add validation of copp tables after improvement of fast-reboot

How did you do it?

Added validation of copp tables after upgrade

How did you verify/test it?

executed test test_upgrade_path with base_image=201911, target_image=202205, upgrade_type=fast

Any platform specific information?

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

Documentation

[mssonicbld]

The pre-commit check detected issues in the files touched by this pull request.
The pre-commit check is a mandatory check, please fix detected issues.

Detailed pre-commit check results:
trim trailing whitespace.................................................Passed
fix end of files.........................................................Passed
check yaml...........................................(no files to check)Skipped
check for added large files..............................................Passed
check python ast.........................................................Passed
flake8...................................................................Failed
- hook id: flake8
- exit code: 1

tests/upgrade_path/upgrade_helpers.py:154:22: W605 invalid escape sequence 's'

check conditional mark sort..........................(no files to check)Skipped

To run the pre-commit checks locally, you can follow below steps:

1. Ensure that default python is python3. In sonic-mgmt docker container, default python is python2. You can run
   the check by activating the python3 virtual environment in sonic-mgmt docker container or outside of sonic-mgmt
   docker container.
2. Ensure that the pre-commit package is installed:

sudo pip install pre-commit

3. Go to repository root folder
4. Install the pre-commit hooks:

pre-commit install

5. Use pre-commit to check staged file:

pre-commit

6. Alternatively, you can check committed files using:

pre-commit run --from-ref <commit_id> --to-ref <commit_id>

[mssonicbld]

The pre-commit check detected issues in the files touched by this pull request.
The pre-commit check is a mandatory check, please fix detected issues.

Detailed pre-commit check results:
trim trailing whitespace.................................................Passed
fix end of files.........................................................Passed
check yaml...........................................(no files to check)Skipped
check for added large files..............................................Passed
check python ast.........................................................Passed
flake8...................................................................Failed
- hook id: flake8
- exit code: 1

tests/upgrade_path/upgrade_helpers.py:154:22: W605 invalid escape sequence 's'

check conditional mark sort..........................(no files to check)Skipped

To run the pre-commit checks locally, you can follow below steps:

1. Ensure that default python is python3. In sonic-mgmt docker container, default python is python2. You can run
   the check by activating the python3 virtual environment in sonic-mgmt docker container or outside of sonic-mgmt
   docker container.
2. Ensure that the pre-commit package is installed:

sudo pip install pre-commit

3. Go to repository root folder
4. Install the pre-commit hooks:

pre-commit install

5. Use pre-commit to check staged file:

pre-commit

6. Alternatively, you can check committed files using:

pre-commit run --from-ref <commit_id> --to-ref <commit_id>

[arfeigin]

LGTM

[arfeigin]

Hi @vaibhavhd , please review the test changes.

[liat-grozovik]

@vaibhavhd would you like to review and provide your feedback?

[liat-grozovik]

@vaibhavhd kindly reminder to review.

[vaibhavhd]

Should there be a check for existence of config prior to this step?

[vaibhavhd]

The print sequence is reverted.

[vaibhavhd]

Non blocking comments added

[mssonicbld]

@AntonHryshchuk PR conflicts with 202205 branch