chore: import upstream snapshot with attribution

tests/python_client/deploy/README.md

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+
+
+## Overview
+To test deployment by docker-compose(Both standalone and cluster)
+
+* re-install milvus to check data persistence
+    1. Deploy Milvus
+    2. Insert data
+    3. Build index 
+    4. Search
+    5. Stop Milvus
+    6. Repeat from step #1
+* upgrade milvus to check data compatibility
+    1. Deploy Milvus (Previous Release)
+    2. Insert data
+    3. Search
+    4. Stop Milvus
+    5. Deploy Milvus  (Latest Release/Build)
+    6. Build index
+    7. Search
+
+## Project structure
+```
+.
+├── README.md
+├── cluster # dir to deploy cluster
+│   ├── logs # dir to save logs
+│   └──docker-compose.yml
+├── standalone # dir to deploy standalone
+│   ├── logs # dir to save logs
+│   └──docker-compose.yml
+├── scripts
+│   ├── action_after_upgrade.py
+│   ├── action_before_upgrade.py
+│   ├── action_reinstall.py
+│   └── utils.py
+├── cluster-values.yaml # config for helm deployment
+├── test.sh # script to run a single task
+└── run.sh # script to run all tasks
+```
+
+## Usage
+Make sure you have installed `docker`,`docker-compose` and `pymilvus`!
+For different version, you should modify the value of `latest_tag`, `latest_rc_tag` and `Release`. Password of root is needed for deleting volumes dir.
+
+single test task
+
+```bash
+$ bash test.sh -m ${Mode} -t ${Task} -p ${Password}
+# Mode, the mode of milvus deploy. standalone or cluster"
+# Task, the task type of test. reinstall or upgrade
+# Password, the password of root"
+```
+
+run all tasks
+```bash
+$ bash run.sh -p ${Password}
+# Password, the password of root"
+```