benroeder opened a new pull request, #691:
URL: https://github.com/apache/opendal-reqsign/pull/691
## Summary
- Add `services-openstack` feature with Keystone v3 password authentication
- `OpenstackConfig` — loads auth_url, username, password, domain/project
settings from env vars or fields
- `OpenstackLoader` — authenticates against Keystone, caches tokens with
2-minute expiry grace, parses service catalog
- `OpenstackCredential` — token + expiry + service catalog with endpoint
lookup by service type, interface, and region
- `OpenstackSigner` — signs requests by inserting `X-Auth-Token` header
- 15 unit tests covering credential validity, catalog lookup, serde,
and request signing
- Add `services-openstack` to CI `build_single_feature` matrix
## Context
Companion to #690 (main branch). This backport targets v0.16.x which
is the version OpenDAL currently depends on. Tested against a real
OpenStack Keystone cluster.
Related: #685
## Files
New (790 lines):
- `src/openstack/mod.rs` — module re-exports
- `src/openstack/config.rs` — Config + from_env()
- `src/openstack/credential.rs` — Credential, Loader, CatalogEntry, Endpoint
- `src/openstack/signer.rs` — Signer
Modified:
- `Cargo.toml` — add `services-openstack` feature
- `src/lib.rs` — add feature-gated module
- `.github/workflows/ci.yml` — add to build matrix
## Test plan
- [x] `cargo fmt --all -- --check` passes
- [x] `cargo test --no-fail-fast` — 81 unit + 32 integration + 7 doc-tests
all pass
- [x] `cargo check --all-features` compiles clean (only pre-existing
warnings)
- [x] Tested against real OpenStack Keystone cluster
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