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LICENSE (5059, 2021-04-22)
dna_center_to_git.py (2010, 2021-04-22)
requirements.txt (8, 2021-04-22)

# Cisco-DNA-Center-Device-Config-To-Git ## Introduction This is an example python script to demonstrate programmatically collecting current running config from all devices managed by [Cisco DNA Center](https://www.cisco.com/c/en_uk/products/cloud-systems-management/dna-center/index.html) and storing each device config file in a Git repo. This allows you to monitor for configuration changes and track changes to over time.  ## Prerequisites 1. [Python](https://www.python.org/) - this has been tested with Python 3.8.6. 2. [Git](https://git-scm.com/) installed on your computer. 3. A remote Git repository. This has been tested against remote [GitHub](https://github.com/) repositories. 4. A Bash (or Bash compatible) terminal - the python script runs Git Bash commands directly in a terminal instance using `subprocess`. 5. Access to a DNA Center API - see below for instructions on using a virtual DevNet Sandbox. ### Use a virtual Cisco DNA Center API from DevNet Sandbox You can access a virtual DNA Center API from the [DevNet Sandbox](https://devnetsandbox.cisco.com/) if you don't want to try this against a physical DNA Center deployment. > This is optional 1. Go to DevNet Sandbox https://devnetsandbox.cisco.com/ 2. Select the always-on version of the Cisco DNA Center sandbox.  ## Getting started ### Clone this Git Repository ```bash git clone https://github.com/GShuttleworth/Cisco-DNA-Center-Device-Config-To-Git ``` Open new Git repo folder in terminal ```bash cd Cisco-DNA-Center-Device-Config-To-Git ``` ### Setup Python virtual environment It is good practice to run Python scripts in a virtual environment. Create virtual environment ```bash python3 -m venv venv ``` Open the virtual environment ```bash source venv/bin/activate ``` Install Python dependencies ```bash pip install -r requirements.txt ``` ## Edit Python file The `dna_center_to_git.py` Python script has some variables you need to define. Edit `url`, `username` and `password` to match your device. By default the connection details are for the DevNet DNA Center Sandbox mentioned above. You should also set `use_ssl_verification` to `True` if you are using this code in production to ensure ssl certificates are respected (and used). ```python # DNA Center Connection Details username = "devnetuser" password = "Cisco123!" url = "https://sandboxdnac.cisco.com" use_ssl_verification = False # Always set to 'True' in production environments ``` Edit `git_repo_url` to match your Git repository URL. Optional - edit `commit_message` to specify what Git should use as the message for each commit. ```python # Git settings git_repo_url = "https://github.com/your_repo_url" commit_message = "Auto config sync with DNA Center devices" ``` ## Run the Python script To run the Python script ```bash python dna_center_to_git.py ``` ## Check the result The script automatically deletes all created files after the Git push is complete. This means there's nothing to see locally after it has ran. Go to your remote Git repository and you should see your config uploaded. If you make changes to any device config and re-run the Python script, you will see Git track the changes between the new config and the old config. Check the changes by viewing the most recent Git commit!  ## Troubleshooting If you have problems running the script, it is likely that the Git installed on your computer hasn't authenticated with the remote Git repository. The Python script relies on connection authentication credentials being cached on your computer. To fix, manually clone the repository, and if prompted, enter authentication details. ```bash git clone ``` You may need to use an access token rather than a password. Check [here](https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token) for details on creating access tokens if you're using GitHub

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