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[Nexthop] Docker Support for FBOSS Image Builder#794

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raghav-nexthop wants to merge 12 commits into
facebook:mainfrom
nexthop-ai:raghav.distro-cli-docker
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[Nexthop] Docker Support for FBOSS Image Builder#794
raghav-nexthop wants to merge 12 commits into
facebook:mainfrom
nexthop-ai:raghav.distro-cli-docker

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@raghav-nexthop

@raghav-nexthop raghav-nexthop commented Jan 9, 2026 •
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Pre-submission checklist

  • I've ran the linters locally and fixed lint errors related to the files I modified in this PR. You can install the linters by running pip install -r requirements-dev.txt && pre-commit install
  • pre-commit run

Summary

This PR introduces Docker infrastructure support for the FBOSS Image Builder, building on the CLI skeleton and core infrastructure from previous PRs. This is part of a series of PRs to create a comprehensive FBOSS distribution image builder tool.

  • Docker container wrapper (container.py) with exec/run capabilities for managing containerized build environments
  • Docker image wrapper (image.py) with build/pull/tag operations, including intelligent image caching and expiration
  • Build script (build_docker.sh) for creating the FBOSS builder Docker image with all necessary dependencies
  • Comprehensive unit tests for Docker operations

This is part of a series. The previous one is #793 The next one is #795

Test Plan

Unit Tests:

PYTHONPATH=fboss-image:$PYTHONPATH python3 -m pytest fboss-image/distro_cli/tests/ -v --tb=short
============================================================== test session starts ===============================================================
platform linux -- Python 3.10.12, pytest-8.4.1, pluggy-1.6.0 -- /usr/bin/python3
cachedir: .pytest_cache
rootdir: /work/raghav/private-fboss
collected 37 items                                                                                                                               

fboss-image/distro_cli/tests/build_test.py::TestBuildCommand::test_build_all_stub PASSED                                                   [  2%]
fboss-image/distro_cli/tests/build_test.py::TestBuildCommand::test_build_command_exists PASSED                                             [  5%]
fboss-image/distro_cli/tests/build_test.py::TestBuildCommand::test_build_specific_components_stub PASSED                                   [  8%]
fboss-image/distro_cli/tests/cli_test.py::ValidatePathTest::test_validate_path_converts_to_path PASSED                                     [ 10%]
fboss-image/distro_cli/tests/cli_test.py::ValidatePathTest::test_validate_path_existing_file PASSED                                        [ 13%]
fboss-image/distro_cli/tests/cli_test.py::ValidatePathTest::test_validate_path_nonexistent_file_raises PASSED                              [ 16%]
fboss-image/distro_cli/tests/cli_test.py::ValidatePathTest::test_validate_path_nonexistent_file_without_check PASSED                       [ 18%]
fboss-image/distro_cli/tests/cli_test.py::CommandGroupTest::test_add_command_to_group PASSED                                               [ 21%]
fboss-image/distro_cli/tests/cli_test.py::CommandGroupTest::test_add_command_with_arguments PASSED                                         [ 24%]
fboss-image/distro_cli/tests/cli_test.py::CommandGroupTest::test_command_group_creation PASSED                                             [ 27%]
fboss-image/distro_cli/tests/cli_test.py::CommandGroupTest::test_command_group_with_arguments PASSED                                       [ 29%]
fboss-image/distro_cli/tests/cli_test.py::CLITest::test_add_command PASSED                                                                 [ 32%]
fboss-image/distro_cli/tests/cli_test.py::CLITest::test_add_command_group PASSED                                                           [ 35%]
fboss-image/distro_cli/tests/cli_test.py::CLITest::test_add_command_with_arguments PASSED                                                  [ 37%]
fboss-image/distro_cli/tests/cli_test.py::CLITest::test_cli_creation PASSED                                                                [ 40%]
fboss-image/distro_cli/tests/cli_test.py::CLITest::test_cli_with_verbose_flag PASSED                                                       [ 43%]
fboss-image/distro_cli/tests/cli_test.py::CLITest::test_cli_without_verbose_flag PASSED                                                    [ 45%]
fboss-image/distro_cli/tests/device_test.py::TestDeviceCommands::test_device_commands_exist PASSED                                         [ 48%]
fboss-image/distro_cli/tests/device_test.py::TestDeviceCommands::test_getip_stub PASSED                                                    [ 51%]
fboss-image/distro_cli/tests/device_test.py::TestDeviceCommands::test_image_stub PASSED                                                    [ 54%]
fboss-image/distro_cli/tests/device_test.py::TestDeviceCommands::test_image_upstream_stub PASSED                                           [ 56%]
fboss-image/distro_cli/tests/device_test.py::TestDeviceCommands::test_reprovision_stub PASSED                                              [ 59%]
fboss-image/distro_cli/tests/device_test.py::TestDeviceCommands::test_ssh_stub PASSED                                                      [ 62%]
fboss-image/distro_cli/tests/device_test.py::TestDeviceCommands::test_update_stub PASSED                                                   [ 64%]
fboss-image/distro_cli/tests/docker_image_test.py::TestShouldBuildImage::test_custom_expiration_time PASSED                                [ 67%]
fboss-image/distro_cli/tests/docker_image_test.py::TestShouldBuildImage::test_image_exists_and_not_expired PASSED                          [ 70%]
fboss-image/distro_cli/tests/docker_image_test.py::TestShouldBuildImage::test_image_expired PASSED                                         [ 72%]
fboss-image/distro_cli/tests/docker_image_test.py::TestShouldBuildImage::test_image_not_found PASSED                                       [ 75%]
fboss-image/distro_cli/tests/docker_test.py::TestDockerInfrastructure::test_run_simple_container PASSED                                    [ 78%]
fboss-image/distro_cli/tests/image_builder_test.py::TestImageBuilder::test_build_all_stub PASSED                                           [ 81%]
fboss-image/distro_cli/tests/image_builder_test.py::TestImageBuilder::test_build_components_stub PASSED                                    [ 83%]
fboss-image/distro_cli/tests/image_builder_test.py::TestImageBuilder::test_builder_initialization PASSED                                   [ 86%]
fboss-image/distro_cli/tests/manifest_test.py::TestImageManifest::test_has_component PASSED                                                [ 89%]
fboss-image/distro_cli/tests/manifest_test.py::TestImageManifest::test_load_manifest PASSED                                                [ 91%]
fboss-image/distro_cli/tests/manifest_test.py::TestImageManifest::test_missing_components PASSED                                           [ 94%]
fboss-image/distro_cli/tests/manifest_test.py::TestImageManifest::test_resolve_path_relative PASSED                                        [ 97%]
fboss-image/distro_cli/tests/manifest_test.py::TestImageManifest::test_resolve_path_url PASSED                                             [100%]

=============================================================== 37 passed in 0.99s ===============================================================
@raghav-nexthop
[Nexthop] Add FBOSS-OSS Kernel
de68ddb 
Summary:

Here an RPM specfile and surrounding machinery is added to build an
FBOSS-compatible Linux kernel from vanilla Linux sources which is
compatible with CentOS. On top of this reference configuration,
additional local changes from `fboss-local-overrides.yaml` are applied
prior to building.

To use, inside an FBOSS build container, run:

    # fboss-image/kernel/scripts/build_kernel.sh 6.4.3 out
    ...
    Kernel RPM build complete!
    Output files:
    out/x86_64/kernel-modules-6.4.3-1.fboss.el9.x86_64.rpm
    out/x86_64/kernel-headers-6.4.3-1.fboss.el9.x86_64.rpm
    out/x86_64/kernel-core-6.4.3-1.fboss.el9.x86_64.rpm
    out/x86_64/kernel-devel-6.4.3-1.fboss.el9.x86_64.rpm
    out/BUILD/linux-6.4.3/kernel/config_data.gz
    out/SRPMS/kernel-6.4.3-1.fboss.el9.src.rpm
    out/kernel-6.4.3.rpms.tar.gz
    out/kernel-6.4.3-1.fboss.el9.src.rpm
    out/RPMS/x86_64/kernel-modules-6.4.3-1.fboss.el9.x86_64.rpm
    out/RPMS/x86_64/kernel-headers-6.4.3-1.fboss.el9.x86_64.rpm
    out/RPMS/x86_64/kernel-core-6.4.3-1.fboss.el9.x86_64.rpm
    out/RPMS/x86_64/kernel-devel-6.4.3-1.fboss.el9.x86_64.rpm
    # ls fboss-image/kernel/dist/build-6.4.3/out/
    kernel-6.4.3-1.fboss.el9.src.rpm  kernel-core-6.4.3-1.fboss.el9.x86_64.rpm   kernel-headers-6.4.3-1.fboss.el9.x86_64.rpm
    kernel-6.4.3.rpms.tar.gz          kernel-devel-6.4.3-1.fboss.el9.x86_64.rpm  kernel-modules-6.4.3-1.fboss.el9.x86_64.rpm
@raghav-nexthop
[Nexthop] CLI Skeleton for FBOSS Image Builder
3a4da29
@meta-cla meta-cla Bot added the CLA Signed label Jan 9, 2026
@raghav-nexthop raghav-nexthop force-pushed the raghav.distro-cli-docker branch from e87c9aa to 2e40434 Compare January 9, 2026 04:17
@raghav-nexthop
[Nexthop] Integrate Distro CLI unit tests into CMake build system
6e6ff94 
Add CMake configuration and CI workflow for FBOSS Image Builder:
- CMake test configuration for distro_cli unit tests
- GitHub Actions workflow for automated testing
- README documentation for the distro_cli tool

Test Plan:
- CMake configuration tested with pytest integration
- CI workflow validates on pull requests
@raghav-nexthop
[Nexthop] Core Infrastructure for FBOSS Image Builder
8c0565b 
Add foundational infrastructure for distro_cli:
- Custom exception classes for error handling
- Shared constants for Docker and build configuration
- Path resolution utilities for locating components
- ImageManifest class for build configuration parsing
- Unit tests for ImageManifest with test data

Test Plan:
- Pre-commit checks: PASSED
- Unit tests: 5/5 passing
  $ PYTHONPATH=fboss-image python3 -m pytest fboss-image/distro_cli/tests/manifest_test.py -v
  test_has_component PASSED
  test_load_manifest PASSED
  test_missing_components PASSED
  test_resolve_path_relative PASSED
  test_resolve_path_url PASSED
@raghav-nexthop
[Nexthop] Docker Support for FBOSS Image Builder
524bf4f 
Add Docker container and image management:
- Docker container wrapper with exec/run capabilities
- Docker image wrapper with build/pull/tag operations
- Build script for FBOSS builder Docker image
- Comprehensive unit tests for Docker operations

Dependencies: Uses constants from PR facebook#792

Test Plan:
- All unit tests pass (docker_test.py, docker_image_test.py)
- Docker image builds successfully with all build dependencies
@raghav-nexthop raghav-nexthop force-pushed the raghav.distro-cli-docker branch from 2e40434 to 524bf4f Compare January 9, 2026 04:23
@raghav-nexthop
[Nexthop] Integrate Distro CLI unit tests into CMake build system
613ae64 
Add CMake configuration and CI workflow for FBOSS Image Builder:
- CMake test configuration for distro_cli unit tests
- GitHub Actions workflow for automated testing
- README documentation for the distro_cli tool

Test Plan:
- CMake configuration tested with pytest integration
- CI workflow validates on pull requests
@raghav-nexthop
[Nexthop] Core Infrastructure for FBOSS Image Builder
315c596 
Add foundational infrastructure for distro_cli:
- Custom exception classes for error handling
- Shared constants for Docker and build configuration
- Path resolution utilities for locating components
- ImageManifest class for build configuration parsing
- Unit tests for ImageManifest with test data

Test Plan:
- All unit tests pass (manifest_test.py)
- Pre-commit checks pass
This was referenced Jan 9, 2026
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@raghav-nexthop

raghav-nexthop commented Jan 9, 2026

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