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feat: export distribution container build artifacts

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Add a new --export-dir flag to the `llama stack build` command that
allows users to export container build artifacts to a specified
directory instead of building the container directly. This feature is
useful for:

- Building containers in different environments
- Sharing build configurations
- Customizing the build process

The exported tarball includes:
- Containerfile (Dockerfile)
- Run configuration file (if building from config)
- External provider files (if specified)
- Build script for assistance

The tarball is named with a timestamp for uniqueness: <distro-name>_<timestamp>.tar.gz

Documentation has been updated in building_distro.md to reflect this new
functionality as well as integration tests.

Signed-off-by: Sébastien Han <seb@redhat.com>
This commit is contained in:
Sébastien Han 2025-05-16 11:37:56 +02:00
parent 047303e339
commit e9bcb0e827
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7 changed files with 186 additions and 22 deletions
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22
docs/source/distributions/building_distro.md
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@ -53,7 +53,7 @@ The main points to consider are:
```
llama stack build -h
usage: llama stack build [-h] [--config CONFIG] [--template TEMPLATE] [--list-templates] [--image-type {conda,container,venv}] [--image-name IMAGE_NAME] [--print-deps-only] [--run]
usage: llama stack build [-h] [--config CONFIG] [--template TEMPLATE] [--list-templates] [--image-type {conda,container,venv}] [--image-name IMAGE_NAME] [--print-deps-only] [--run] [--export-dir EXPORT_DIR]
Build a Llama stack container
@ -71,6 +71,8 @@ options:
found. (default: None)
--print-deps-only Print the dependencies for the stack only, without building the stack (default: False)
--run Run the stack after building using the same image type, name, and other applicable arguments (default: False)
--export-dir EXPORT_DIR
Export the build artifacts to a specified directory instead of building the container. This will create a tarball containing the Dockerfile and all necessary files to build the container. (default: None)
```
@ -260,6 +262,24 @@ Containerfile created successfully in /tmp/tmp.viA3a3Rdsg/ContainerfileFROM pyth
You can now edit ~/meta-llama/llama-stack/tmp/configs/ollama-run.yaml and run `llama stack run ~/meta-llama/llama-stack/tmp/configs/ollama-run.yaml`
```
You can also export the build artifacts to a specified directory instead of building the container directly. This is useful when you want to:
- Build the container in a different environment
- Share the build configuration with others
- Customize the build process
To export the build artifacts, use the `--export-dir` flag:
```
llama stack build --config my-build.yaml --image-type container --export-dir ./my-build
```
This will create a tarball in the specified directory containing:
- The Dockerfile (named Containerfile)
- The run configuration file (if building from a config)
- Any external provider files (if specified in the config)
The tarball will be named with a timestamp to ensure uniqueness, for example: `<distro-name>_<timestamp>.tar.gz`
After this step is successful, you should be able to find the built container image and test it with `llama stack run <path/to/run.yaml>`.
:::