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feat: refactor external providers dir

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currently the "default" dir for external providers is `/etc/llama-stack/providers.d`

This dir is not used anywhere nor created.

Switch to a more friendly `~/.llama/providers.d/`

This allows external providers to actually create this dir and/or populate it upon installation, `pip` cannot create directories in `etc`.

If a user does not specify a dir, default to this one

see https://github.com/containers/ramalama-stack/issues/36

`llama stack build` and `llama stack run` needed to be modified to work with this change and with external providers dir in general.

`llama stack run --image-type container --image-name foobar` should _not_ require a `--config`. This is because the config is copied in during the build and accounts for the external providers dir.

forcing a run yaml at runtime breaks external providers because the host-system path to the external providers is used in the container which is wrong

Signed-off-by: Charlie Doern <cdoern@redhat.com>
This commit is contained in:
Charlie Doern 2025-04-28 10:53:17 -04:00
parent 8e7ab146f8
commit d52d40dafc
14 changed files with 166 additions and 90 deletions
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2
llama_stack/distribution/distribution.py
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@ -145,7 +145,7 @@ def get_provider_registry(
# Check if config has the external_providers_dir attribute
if config and hasattr(config, "external_providers_dir") and config.external_providers_dir:
external_providers_dir = os.path.abspath(config.external_providers_dir)
external_providers_dir = os.path.abspath(os.path.expanduser(config.external_providers_dir))
if not os.path.exists(external_providers_dir):
raise FileNotFoundError(f"External providers directory not found: {external_providers_dir}")
logger.info(f"Loading external providers from {external_providers_dir}")