m/node: add /dev/tty0 and /dev/ttyS0 to erofs

... alongside a few other 'critical' /dev chardevs.

This is in preparation for making minit log into /dev/tty0 and
/dev/ttyS0, as currently it does not log at all (broken by
review.monogon.dev/517).

While we're at it, we chip away at the move-everything-to-fsspec
refactor, and unify initramfs/erofs /dev structure into a dedicated
fsspec file, plus move directories from extra_dirs into its own fsspec
file as well. Fsspec targets can now take files in the fsspecs
attribute, which we point at the newly created files.

Alternatively we could've made a 'fsspec_bundle' rule that would
generate an fsspec provider from a definition (either as native starlark
types or a prototext). We'll have to do something like this later so
that we can get rid of the files attribute in erofs_image, but let's not
make this change too large.

Since we've cleaned up some starlark attribute usage, we then pull on
that thread to remove some now unused code, like the builtin_fsspec
functionality for fsspec-based rules, and the extra_dirs attribute.

Change-Id: I0df6c60df20e38abfc9632d0a701d547292f3697
Reviewed-on: https://review.monogon.dev/c/monogon/+/650
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
10 files changed
tree: 15ff5be928b1b6cb12ed38fdcf8a3679118495da
  1. build/
  2. intellij/
  3. metropolis/
  4. scripts/
  5. third_party/
  6. .bazelignore
  7. .bazelproject
  8. .bazelrc
  9. .git-ignore-revs
  10. .gitignore
  11. BUILD
  12. CODING_STANDARDS.md
  13. go.mod
  14. go.sum
  15. LICENSE
  16. README.md
  17. WORKSPACE
README.md

Monogon Monorepo

This is the main repository containing the source code for the Monogon Project.

This is pre-release software - feel free to look around, and check back later for our first release!

Environment

Our build environment requires a working Podman binary (your distribution should have one).

Usage

Spinning up: scripts/create_container.sh

Spinning down: scripts/destroy_container.sh

Running commands: scripts/run_in_container.sh <...>

Using bazel using a wrapper script: scripts/bin/bazel <...> (add to your local $PATH for convenience)

IntelliJ

This repository is compatible with the IntelliJ Bazel plugin, which enables full autocompletion for external dependencies and generated code. All commands run inside the container, and necessary paths are mapped into the container.

The following steps are necessary:

  • Install Google's Bazel plugin in IntelliJ. On IntelliJ 2020.3 or later, you need to install a beta release of the plugin.

  • Add the absolute path to your ~/.cache/bazel-monogon folder to your idea64.vmoptions (Help → Edit Custom VM Options) and restart IntelliJ:

    -Dbazel.bep.path=/home/leopold/.cache/bazel-monogon

  • Set "Bazel Binary Location" in Other Settings → Bazel Settings to the absolute path of scripts/bin/bazel. This is a wrapper that will execute Bazel inside the container.

  • Use File → Import Bazel project... to create a new project from .bazelproject.

After running the first sync, everything should now resolve in the IDE, including generated code.

Metropolis

Run a single node cluster

Launch the node:

scripts/bin/bazel run //:launch

Run a kubectl command:

scripts/bin/bazel run //metropolis/cli/dbg -- kubectl describe

Run tests:

scripts/bin/bazel test //...