Скачать или смотреть How to Use gRPC with Python on a Custom Linux Distro Without Internet Access

Learn how to set up a `gRPC` server on a custom Linux distribution without `pip` or internet access, using Docker to generate the required files.
---
This video is based on the question https://stackoverflow.com/q/69358280/ asked by the user 'PMu' ( https://stackoverflow.com/u/6470568/ ) and on the answer https://stackoverflow.com/a/71843626/ provided by the user 'PMu' ( https://stackoverflow.com/u/6470568/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Using GRPC python without internet access and pip install for custom Linux distro

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Setting Up a GRPC Server on a Custom Linux Distribution

Are you looking to implement a gRPC server on a custom Linux distribution that doesn’t have internet access or the ability to use pip for package installations? This can seem daunting, especially when you're trying to generate the necessary files for running your gRPC server. But don't worry, there is a straightforward solution that can help you navigate this challenge.

The Challenge: Running gRPC Without Internet Access

When working with a custom Linux distro, such as a 32-bit Linux system with Python 3.7, the lack of internet access and the inability to use standard package managers like pip can prevent you from easily setting up a gRPC server. A common problem encountered is the failure to import cygrpc, which is essential for gRPC's functionality.

This can arise when one attempts to transfer the grpc folder directly without having the compiled platform-specific binary files that gRPC requires.

The Solution: Using Docker for Setup

Here’s a step-by-step guide to using Docker to create the necessary files for your gRPC server setup:

Step 1: Install Docker

If you haven't already, you will need to install Docker on a machine that has internet access. Docker allows you to run a container with a specified Linux distribution, independent of your host machine.

Step 2: Launch a 32-bit Linux Docker Container

Use a 32-bit Linux image in Docker. For example, you can pull the Red Hat Enterprise Linux (RHEL) 32-bit image or any other suitable 32-bit image.

Here’s a command to pull a 32-bit image (replace with a relevant image if necessary):

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Install gRPC Inside the Docker Container

Create and Run the Container: Start the container with an interactive terminal.

[[See Video to Reveal this Text or Code Snippet]]

Install gRPC: Inside the container, ensure you have Python 3.7 installed. Then, install gRPC using pip (which should be available inside the container).

[[See Video to Reveal this Text or Code Snippet]]

Step 4: Locate the Compiled Files

After installing gRPC, navigate to the grpc directory that was created during installation. You will find the necessary cygrpc.cp37... file (or variant specific to your installation). It is typically located in the _cython folder inside the grpc directory.

Step 5: Copy the Files to Your Custom Linux Distro

Once you have identified the required files within the container:

Use Docker's cp command to copy them to your host system.

Follow the relevant steps to transfer these files to your custom Linux distribution. You might need to use a USB drive, SCP, or other means, depending on your setup.

Conclusion

By leveraging Docker, you can bypass the challenges of having a custom Linux environment without internet access. This method allows you to properly generate the required cygrpc files for your gRPC server and ensures that you can deploy your gRPC services efficiently.

Remember to keep all related dependencies and ensure to test your setup thoroughly once you move back to your custom Linux environment.

With this approach, building a gRPC server becomes a feasible task even under restrictive conditions. Happy coding!