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**This PR changes configurations in a backward incompatible way.**
Run configs today repeat full SQLite/Postgres snippets everywhere a
store is needed, which means duplicated credentials, extra connection
pools, and lots of drift between files. This PR introduces named storage
backends so the stack and providers can share a single catalog and
reference those backends by name.
## Key Changes
- Add `storage.backends` to `StackRunConfig`, register each KV/SQL
backend once at startup, and validate that references point to the right
family.
- Move server stores under `storage.stores` with lightweight references
(backend + namespace/table) instead of full configs.
- Update every provider/config/doc to use the new reference style;
docs/codegen now surface the simplified YAML.
## Migration
Before:
```yaml
metadata_store:
type: sqlite
db_path: ~/.llama/distributions/foo/registry.db
inference_store:
type: postgres
host: ${env.POSTGRES_HOST}
port: ${env.POSTGRES_PORT}
db: ${env.POSTGRES_DB}
user: ${env.POSTGRES_USER}
password: ${env.POSTGRES_PASSWORD}
conversations_store:
type: postgres
host: ${env.POSTGRES_HOST}
port: ${env.POSTGRES_PORT}
db: ${env.POSTGRES_DB}
user: ${env.POSTGRES_USER}
password: ${env.POSTGRES_PASSWORD}
```
After:
```yaml
storage:
backends:
kv_default:
type: kv_sqlite
db_path: ~/.llama/distributions/foo/kvstore.db
sql_default:
type: sql_postgres
host: ${env.POSTGRES_HOST}
port: ${env.POSTGRES_PORT}
db: ${env.POSTGRES_DB}
user: ${env.POSTGRES_USER}
password: ${env.POSTGRES_PASSWORD}
stores:
metadata:
backend: kv_default
namespace: registry
inference:
backend: sql_default
table_name: inference_store
max_write_queue_size: 10000
num_writers: 4
conversations:
backend: sql_default
table_name: openai_conversations
```
Provider configs follow the same pattern—for example, a Chroma vector
adapter switches from:
```yaml
providers:
vector_io:
- provider_id: chromadb
provider_type: remote::chromadb
config:
url: ${env.CHROMADB_URL}
kvstore:
type: sqlite
db_path: ~/.llama/distributions/foo/chroma.db
```
to:
```yaml
providers:
vector_io:
- provider_id: chromadb
provider_type: remote::chromadb
config:
url: ${env.CHROMADB_URL}
persistence:
backend: kv_default
namespace: vector_io::chroma_remote
```
Once the backends are declared, everything else just points at them, so
rotating credentials or swapping to Postgres happens in one place and
the stack reuses a single connection pool.
|
||
|---|---|---|
| .. | ||
| changelog.yml | ||
| conformance.yml | ||
| install-script-ci.yml | ||
| integration-auth-tests.yml | ||
| integration-sql-store-tests.yml | ||
| integration-tests.yml | ||
| integration-vector-io-tests.yml | ||
| pre-commit.yml | ||
| precommit-trigger.yml | ||
| providers-build.yml | ||
| providers-list-deps.yml | ||
| python-build-test.yml | ||
| README.md | ||
| record-integration-tests.yml | ||
| semantic-pr.yml | ||
| stale_bot.yml | ||
| test-external-provider-module.yml | ||
| test-external.yml | ||
| ui-unit-tests.yml | ||
| unit-tests.yml | ||
Llama Stack CI
Llama Stack uses GitHub Actions for Continuous Integration (CI). Below is a table detailing what CI the project includes and the purpose.
| Name | File | Purpose |
|---|---|---|
| Update Changelog | changelog.yml | Creates PR for updating the CHANGELOG.md |
| API Conformance Tests | conformance.yml | Run the API Conformance test suite on the changes. |
| Installer CI | install-script-ci.yml | Test the installation script |
| Integration Auth Tests | integration-auth-tests.yml | Run the integration test suite with Kubernetes authentication |
| SqlStore Integration Tests | integration-sql-store-tests.yml | Run the integration test suite with SqlStore |
| Integration Tests (Replay) | integration-tests.yml | Run the integration test suites from tests/integration in replay mode |
| Vector IO Integration Tests | integration-vector-io-tests.yml | Run the integration test suite with various VectorIO providers |
| Pre-commit | pre-commit.yml | Run pre-commit checks |
| Pre-commit Bot | precommit-trigger.yml | Pre-commit bot for PR |
| Test Llama Stack Build | providers-build.yml | Test llama stack build |
| Test llama stack list-deps | providers-list-deps.yml | Test llama stack list-deps |
| Python Package Build Test | python-build-test.yml | Test building the llama-stack PyPI project |
| Integration Tests (Record) | record-integration-tests.yml | Run the integration test suite from tests/integration |
| Check semantic PR titles | semantic-pr.yml | Ensure that PR titles follow the conventional commit spec |
| Close stale issues and PRs | stale_bot.yml | Run the Stale Bot action |
| Test External Providers Installed via Module | test-external-provider-module.yml | Test External Provider installation via Python module |
| Test External API and Providers | test-external.yml | Test the External API and Provider mechanisms |
| UI Tests | ui-unit-tests.yml | Run the UI test suite |
| Unit Tests | unit-tests.yml | Run the unit test suite |