Add live addon docker image upgrade test

.github/CODEOWNERS

@@ -0,0 +1,31 @@
+# This is a comment.
+# Each line is a file pattern followed by one or more owners.
+
+# rules are explained here
+# https://docs.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners
+
+# These owners will be the default owners for everything in the repo.
+# Unless a later match takes precedence, # @Azure/sonic-fundamentals
+# will be requested for review when someone opens a pull request.
+#       @Azure/sonic-fundamentals
+
+# Ansible
+
+# Documents
+
+# spytest
+sonic-mgmt/spytest/tests/cisco @pevenkat @bhavani @rraguraj @jsanghra @akroy @savinaya @whitebox/cisco-spytest-reviewers
+
+# test reporting
+
+# tests
+
+# CICD-related
+infra @whitebox/sonic-operations-team
+
+# General rules first
+sonic-mgmt/ansible @pevenkat @bhavani
+sonic-mgmt/tests @pevenkat @bhavani  # Catch-all for tests/
+
+# More specific rules last (these override the general ones)
+sonic-mgmt/tests/cisco @pevenkat @bhavani @rraguraj @jsanghra @akroy @savinaya @whitebox/cisco-platform-test

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,62 @@
+<!--
+If you are reporting a new issue, make sure that we do not have any duplicates
+already open. You can ensure this by searching the issue list for this
+repository. If there is a duplicate, please close your issue and add a comment
+to the existing issue instead.
+
+If you suspect your issue is a bug, please edit your issue description to
+include the BUG REPORT INFORMATION shown below. If you fail to provide this
+information within 7 days, we cannot debug your issue and will close it. We
+will, however, reopen it if you later provide the information.
+
+For more information about reporting issues, see
+https://github.com/sonic-net/SONiC/wiki#report-issues
+
+---------------------------------------------------
+GENERAL SUPPORT INFORMATION
+---------------------------------------------------
+
+The GitHub issue tracker is for bug reports and feature requests.
+General support can be found at the following locations:
+
+- SONiC Support Forums - https://groups.google.com/forum/#!forum/sonicproject
+
+---------------------------------------------------
+BUG REPORT INFORMATION
+---------------------------------------------------
+Use the commands below to provide key information from your environment:
+You do NOT have to include this information if this is a FEATURE REQUEST
+-->
+
+**Description**
+
+<!--
+Briefly describe the problem you are having in a few paragraphs.
+-->
+
+**Steps to reproduce the issue:**
+1.
+2.
+3.
+
+**Describe the results you received:**
+
+
+**Describe the results you expected:**
+
+
+**Additional information you deem important:**
+<!--
+software/ASIC/Hardware Flatform version and info
+-->
+    **Output of `show version`:**
+
+    ```
+    (paste your output here)
+    ```
+
+    **Attach debug file `sudo generate_dump`:**
+
+    ```
+    (paste your output here)
+    ```

.github/PULL_REQUEST_TEMPLATE.md

@@ -24,19 +24,15 @@ Fixes # (issue)
 
 - [ ] Bug fix
 - [ ] Testbed and Framework(new/improvement)
-- [ ] New Test case
-    - [ ] Skipped for non-supported platforms
-- [ ] Test case improvement
+- [ ] Test case(new/improvement)
 
 
 ### Back port request
+- [ ] 201911
+- [ ] 202012
+- [ ] 202205
+- [ ] 202305
 - [ ] 202311
-- [ ] 202405
-- [ ] 202411
-- [ ] 202505
-- [ ] 202511
-- [ ] 202512
-- [ ] 202605
 
 ### Approach
 #### What is the motivation for this PR?

.gitignore

@@ -1,29 +1,135 @@
-# Compiled Python files
-*.pyc
-**/__pycache__/
-**/.pytest_cache/
-
-# Ansible files
-.ansible
-ansible.log
-
-# Test generated files
-tests/logs
-tests/_cache
-tests/metadata
-ansible/plugins/*/*.pyc
-# Temporary trimmed inventory file
-ansible/*_tmp
-
-# Dev tools
-.vscode/
-.idea/
-**/.venv/
+# Temporary generated files
+/infra/testbed-t2-2lc-min-ports.yaml
 
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
 .python-version
 
-sonic-dump/
-**/common/sai_validation/generated/
-**/common/sai_validation/github.com/
-tests/pfc_headroom_test_params/*.json
-tests/priority/*.json
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+infra/pyats
+infra/vxr.out

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "infra/gnxi"]
+	path = infra/gnxi
+	url = https://github.com/google/gnxi.git

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "python.pythonPath": "/usr/bin/python2"
+}