test(bdd): run Rust BDD against iggy-server-ng with VSR#3732
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BDD suites only exercised the legacy iggy-server, leaving server-ng (its future replacement) without any BDD coverage. Only the Rust SDK speaks the VSR wire protocol, so the lane is Rust-only for now. Add a --vsr flag to run-bdd-tests.sh backed by a compose overlay that swaps in iggy-server-ng built with --features vsr. server-ng takes no legacy boot flags, reads root credentials from the environment, parses cluster.nodes[*].ip as a strict IpAddr, binds cluster listeners to the roster IP, and requires a tcp_replica consensus port; the overlay pins static node IPs, points healthchecks at the roster address, and supplies the replica ports. leader_redirection now runs a real 2-node VSR cluster instead of the legacy --follower mock. The vsr feature forwards iggy_common/vsr on server-ng and iggy/vsr on the bdd crate; rust-bdd cargo features are parametrized via BDD_RUST_FEATURES so legacy and coverage lanes stay unchanged. CI gains a bdd-rust-vsr task building the vsr binaries.
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #3732 +/- ##
=============================================
- Coverage 74.35% 28.35% -46.01%
Complexity 950 950
=============================================
Files 1303 1301 -2
Lines 148712 129051 -19661
Branches 124223 104637 -19586
=============================================
- Hits 110579 36592 -73987
- Misses 34658 91367 +56709
+ Partials 3475 1092 -2383
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numinnex
approved these changes
Jul 23, 2026
mmodzelewski
approved these changes
Jul 23, 2026
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BDD suites only exercised the legacy iggy-server, leaving
server-ng (its future replacement) without any BDD coverage.
Only the Rust SDK speaks the VSR wire protocol, so the lane
is Rust-only for now.
Add a --vsr flag to run-bdd-tests.sh backed by a compose
overlay that swaps in iggy-server-ng built with --features
vsr. server-ng takes no legacy boot flags, reads root
credentials from the environment, parses cluster.nodes[*].ip
as a strict IpAddr, binds cluster listeners to the roster IP,
and requires a tcp_replica consensus port; the overlay pins
static node IPs, points healthchecks at the roster address,
and supplies the replica ports. leader_redirection now runs
a real 2-node VSR cluster instead of the legacy --follower
mock.
The vsr feature forwards iggy_common/vsr on server-ng and
iggy/vsr on the bdd crate; rust-bdd cargo features are
parametrized via BDD_RUST_FEATURES so legacy and coverage
lanes stay unchanged. CI gains a bdd-rust-vsr task building
the vsr binaries.