183 lines
No EOL
7.5 KiB
Markdown
183 lines
No EOL
7.5 KiB
Markdown
This is an exciting and ambitious project\! Based on your goals and chosen tools, here is a detailed roadmap to guide you through building a Debian Atomic Desktop, mirroring the success of `ublue-os` while using the strengths of the Debian ecosystem.
|
|
|
|
The roadmap is broken down into four distinct phases, from the foundational build to a polished, distributable product.
|
|
|
|
-----
|
|
|
|
### Phase 1: Foundation & Core Build (The "Hello, World" Image)
|
|
|
|
**Goal:** Create a minimal, bootable Debian OSTree image and automate its build. This is your Minimum Viable Product.
|
|
|
|
**Tools:** `bootc`, `just`, `podman`/`docker`
|
|
|
|
**Tasks:**
|
|
|
|
1. **Project Scaffolding:**
|
|
|
|
* Create a new Git repository for your project (e.g., `my-debian-atomic-desktop`).
|
|
* Create the foundational files: `Containerfile` and `justfile`.
|
|
|
|
2. **Define the Base Image (`Containerfile`):**
|
|
|
|
* Start with a minimal Debian image.
|
|
* **Example `Containerfile` snippet:**
|
|
```dockerfile
|
|
FROM debian:trixie
|
|
|
|
# Install essential packages
|
|
RUN apt-get update && apt-get install -y \
|
|
systemd \
|
|
dbus \
|
|
sudo \
|
|
...
|
|
```
|
|
* Focus on only the bare minimum for now. Don't add a desktop yet. The goal is to get a working, bootable command line.
|
|
|
|
3. **Automate the Build (`justfile`):**
|
|
|
|
* Create a simple `justfile` with a recipe to build the container image.
|
|
* **Example `justfile` snippet:**
|
|
```justfile
|
|
build-image:
|
|
podman build -t my-debian-atomic:latest .
|
|
|
|
# Command to clean up
|
|
clean:
|
|
podman rmi my-debian-atomic:latest
|
|
```
|
|
|
|
4. **Test the Image:**
|
|
|
|
* Build the image with `just build-image`.
|
|
* Test its functionality by deploying it to a VM using `bootc`.
|
|
* **Example `just` recipe for testing:**
|
|
```justfile
|
|
install-vm:
|
|
bootc install to-disk --device /dev/sda --replace-os --image my-debian-atomic:latest qemu-system-x86_64 -hda /var/lib/libvirt/images/my-debian.qcow2
|
|
```
|
|
* Verify that you can boot into a working Debian command-line environment.
|
|
|
|
**Deliverable:** A minimal, bootable Debian `bootc` image and a `justfile` to build and test it.
|
|
|
|
-----
|
|
|
|
### Phase 2: Calamares Installer Integration
|
|
|
|
**Goal:** Create a bootable ISO with a Calamares installer that can deploy your atomic image.
|
|
|
|
**Tools:** `live-build`, `calamares`
|
|
|
|
**Tasks:**
|
|
|
|
1. **Build a Live ISO Environment:**
|
|
|
|
* Use `live-build` to create a minimal live environment.
|
|
* Configure `live-build` to include the `calamares` package and all its dependencies.
|
|
* The live environment will also need access to your `bootc` image, either by embedding it in the ISO or pointing to a container registry.
|
|
|
|
2. **Configure Calamares:**
|
|
|
|
* Create a custom Calamares configuration (a set of `.yml` files).
|
|
* **The Partitioning Module:** Configure it to create the necessary partitions (e.g., `/boot/efi`, `/`, and a separate `/boot` for `bootc`).
|
|
* **The `post-install` Module (Crucial Step):** Write a script or configure this module to:
|
|
* Run the command `bootc install to-disk --device /dev/sda --replace-os --image ghcr.io/your-project/your-image:latest`.
|
|
* Handle the bootloader installation, which `bootc` can assist with.
|
|
|
|
3. **Integrate the Installer Build with `just`:**
|
|
|
|
* Add a new recipe to your `justfile` to orchestrate the `live-build` process.
|
|
* **Example `justfile` recipe:**
|
|
```justfile
|
|
build-iso:
|
|
./build_live_iso.sh
|
|
# The script would use live-build to create the .iso
|
|
|
|
test-iso:
|
|
qemu-system-x86_64 -cdrom my-debian-installer.iso -m 2G
|
|
```
|
|
|
|
**Deliverable:** A bootable `.iso` that presents a Calamares installer, which successfully installs your minimal atomic image.
|
|
|
|
-----
|
|
|
|
### Phase 3: Advanced Features (The `ublue-os` Mimicry)
|
|
|
|
**Goal:** Add a full desktop environment and a robust solution for building kernel modules like the NVIDIA driver.
|
|
|
|
**Tools:** Multi-stage `Containerfile` builds, `podman`/`docker`
|
|
|
|
**Tasks:**
|
|
|
|
1. **Add a Desktop Environment:**
|
|
|
|
* Update your `Containerfile` from Phase 1 to include a full desktop environment. For example, for KDE Plasma:
|
|
```dockerfile
|
|
# Inside the Containerfile
|
|
RUN apt-get install -y sddm task-kde-desktop
|
|
```
|
|
|
|
2. **Create the Kernel Module Pipeline:**
|
|
|
|
* **Separate Repository:** Create a new repository, for example, `my-debian-atomic-kmods`.
|
|
* **Build `Containerfile`:** In this new repo, create a `Containerfile` to build the NVIDIA driver from source for a specific Debian kernel version.
|
|
```dockerfile
|
|
# Inside the kmods Containerfile
|
|
FROM debian:trixie
|
|
RUN apt-get update && apt-get install -y build-essential linux-headers-$(uname -r) ...
|
|
RUN cd /path/to/nvidia-source && make KSRC=/usr/src/linux-headers-$(uname -r)
|
|
# Copy the compiled .ko file to a known location
|
|
```
|
|
* **Build Automation (`justfile`):** Add a `just` recipe to build and push this new `kmods` container image to a registry.
|
|
|
|
3. **Integrate the Pre-built Module:**
|
|
|
|
* Go back to your main `Containerfile` from Phase 1.
|
|
* Use a multi-stage build. The first stage pulls from your `kmods` image. The second stage copies the pre-compiled `.ko` file into the main image's `/lib/modules/` directory.
|
|
* **Example multi-stage `Containerfile` snippet:**
|
|
```dockerfile
|
|
# Stage 1: Build or get the kernel module
|
|
FROM ghcr.io/your-project/my-debian-atomic-kmods:latest AS kmods-builder
|
|
|
|
# Stage 2: Build the final image
|
|
FROM debian:trixie
|
|
# ... (rest of your desktop setup) ...
|
|
|
|
# Copy the pre-compiled kernel module
|
|
COPY --from=kmods-builder /path/to/nvidia.ko /lib/modules/$(uname -r)/updates/nvidia.ko
|
|
RUN depmod -a $(uname -r)
|
|
```
|
|
* This mimics the `ublue-os` approach: the complex build is isolated and the final product simply integrates the finished artifacts.
|
|
|
|
**Deliverable:** A fully-featured desktop image with an integrated, pre-compiled NVIDIA driver, built using a clean, automated pipeline.
|
|
|
|
-----
|
|
|
|
### Phase 4: Polish & Distribution
|
|
|
|
**Goal:** Make the project ready for others to use and contribute to.
|
|
|
|
**Tools:** GitHub Actions, Git
|
|
|
|
**Tasks:**
|
|
|
|
1. **Public Repositories:** Ensure your `my-debian-atomic-desktop` and `my-debian-atomic-kmods` repositories are public on a platform like GitHub.
|
|
|
|
2. **Set up CI/CD (GitHub Actions):**
|
|
|
|
* Create workflows in both repositories to automatically build and push new container images whenever you push code.
|
|
* Trigger an automatic build of the `kmods` repository whenever a new Debian kernel is released.
|
|
* Trigger an automatic build of the main desktop image after the `kmods` image has been successfully built and pushed.
|
|
|
|
3. **Write Comprehensive Documentation:**
|
|
|
|
* Create a `README.md` that explains the project's goals.
|
|
* Write a guide for users on how to install your desktop using the Calamares ISO.
|
|
* Document the build process for contributors.
|
|
* Explain any custom `ujust` commands you include.
|
|
|
|
4. **Finalize the User Experience:**
|
|
|
|
* Add custom desktop branding, wallpapers, and default application choices.
|
|
* Add a `ujustfile` inside your main `Containerfile` to provide a user-friendly command line interface for updates and system maintenance.
|
|
|
|
**Deliverable:** A stable, automated, and well-documented project with a polished user experience, ready for public consumption. |