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Fix Rust canary qualification setup #2170

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Merged
jonathanhaaswriter merged 2 commits into from
Jul 30, 2026
Merged

Fix Rust canary qualification setup #2170

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bb8fba3
Fix Rust canary qualification setup
jonathanhaaswriter Jul 30, 2026
b61338e
Retire stale Go canary qualification
jonathanhaaswriter Jul 30, 2026
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30 changes: 30 additions & 0 deletions crates/cerebro-platform/tests/rust_only_runtime_contract.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ const WORKSPACE_MANIFEST: &str = include_str!("../../../Cargo.toml");
const WORKSPACE_LOCK: &str = include_str!("../../../Cargo.lock");
const MAKEFILE: &str = include_str!("../../../Makefile");
const RUST_CODEGEN: &str = include_str!("../../../buf.gen.rust.yaml");
const QUALIFICATION_SCRIPT: &str = include_str!("../../../scripts/qualify-rust-graph.sh");
const CONNECTRPC_REVISION: &str = "8b3c3b05d3b54af547477a9e3b3a77d62f68e229";
const BUFFA_VERSION: &str = "0.9.1";

Expand Down Expand Up @@ -116,6 +117,35 @@ fn rust_candidate_build_never_invokes_go_or_emulation() {
}
}

#[test]
fn graph_qualification_stays_on_retired_rust_authority_path() {
for required in [
"export CEREBRO_RUST_READ_MODE=authority",
"cmp \"${output_dir}/authority-graph-response-after-restart.canonical.json\"",
"assert_status 503 graph-authority-without-rust",
] {
assert!(
QUALIFICATION_SCRIPT.contains(required),
"Rust graph qualification is missing retired authority setup {required:?}"
);
}
for forbidden in [
"CEREBRO_RUST_READ_MODE=canary",
"go_canary",
"rust_canary",
"CEREBRO_RUST_CANARY_API_KEYS",
"stable_authority_canary",
"verified_canary_restart",
"canary_legacy_isolation",
"canary_rust_fail_closed",
] {
assert!(
!QUALIFICATION_SCRIPT.contains(forbidden),
"Rust graph qualification retained removed Go canary setup {forbidden:?}"
);
}
}

#[test]
fn replacement_proof_is_a_native_rust_product_path() {
for forbidden in [
Expand Down
82 changes: 1 addition & 81 deletions scripts/qualify-rust-graph.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -190,66 +190,6 @@ test "$(jq -r .schema_version "${organizational_receipt}")" = \
test "$(jq -r .status "${organizational_receipt}")" = passed
test "$(jq '[.checks[] | select(.status == "passed")] | length' "${organizational_receipt}")" -eq 14

rust_canary_urn="urn:cerebro:${rust_canary_tenant}:organizational_entity:canary"
go_canary_urn="urn:cerebro:${go_canary_tenant}:organizational_entity:canary"
docker exec "${neo4j_container}" cypher-shell -u neo4j -p local-password \
--param "rust_urn => '${rust_canary_urn}'" \
--param "rust_tenant => '${rust_canary_tenant}'" \
--param "go_urn => '${go_canary_urn}'" \
--param "go_tenant => '${go_canary_tenant}'" \
'MERGE (rust:Entity:OrganizationalEntity {urn: $rust_urn})
SET rust.tenant_id = $rust_tenant,
rust.entity_id = "rust-canary-entity",
rust.external_id = $rust_urn,
rust.entity_type = "resource",
rust.entity_kind = "resource",
rust.authority_json = "\"qualification\"",
rust.properties_json = "{\"entity_urn\":\"" + $rust_urn + "\"}",
rust.label = "Rust canary"
MERGE (legacy:Entity:OrganizationalEntity {urn: $go_urn})
SET legacy.tenant_id = $go_tenant,
legacy.entity_id = "go-canary-entity",
legacy.external_id = $go_urn,
legacy.entity_type = "resource",
legacy.entity_kind = "resource",
legacy.authority_json = "\"qualification\"",
legacy.properties_json = "{\"entity_urn\":\"" + $go_urn + "\"}",
legacy.label = "Go canary"'
rust_canary_url="http://127.0.0.1:8080/platform/graph/neighborhood?root_urn=$(jq -rn --arg value "${rust_canary_urn}" '$value|@uri')&limit=10"
go_canary_url="http://127.0.0.1:8080/platform/graph/neighborhood?root_urn=$(jq -rn --arg value "${go_canary_urn}" '$value|@uri')&limit=10"

export CEREBRO_RUST_READ_MODE=canary
export CEREBRO_RUST_SHADOW_PERCENT=0
export CEREBRO_RUST_AUTHORITY_PERCENT=50
export CEREBRO_RUST_CANARY_VERIFY_PERCENT=100
docker compose "${compose_files[@]}" up -d --force-recreate --wait cerebro
assert_status 200 graph-canary-rust "${output_dir}/canary-rust-response.json" "${rust_canary_url}" rust-canary-key
assert_status 200 graph-canary-go "${output_dir}/canary-go-response.json" "${go_canary_url}" go-canary-key

docker compose "${compose_files[@]}" restart cerebro
docker compose "${compose_files[@]}" up -d --wait cerebro
assert_status 200 graph-canary-rust-after-restart \
"${output_dir}/canary-rust-response.json" "${rust_canary_url}" rust-canary-key
assert_status 200 graph-canary-go-after-restart \
"${output_dir}/canary-go-response.json" "${go_canary_url}" go-canary-key

rust_container="$(docker compose "${compose_files[@]}" ps -q rust-platform)"
docker stop "${rust_container}" >/dev/null
assert_status 503 readiness-canary-without-rust \
"${output_dir}/readiness.json" http://127.0.0.1:8080/health
assert_status 200 graph-canary-go-without-rust \
"${output_dir}/canary-go-response.json" "${go_canary_url}" go-canary-key
assert_not_status 200 graph-canary-rust-without-rust \
"${output_dir}/canary-rust-response.json" "${rust_canary_url}" rust-canary-key
docker start "${rust_container}" >/dev/null
for attempt in $(seq 1 36); do
if docker inspect --format '{{.State.Health.Status}}' "${rust_container}" | grep -qx healthy; then
break
fi
test "${attempt}" -lt 36
sleep 5
done

export CEREBRO_RUST_READ_MODE=authority
export CEREBRO_RUST_SHADOW_PERCENT=0
export CEREBRO_RUST_AUTHORITY_PERCENT=0
Expand All @@ -259,7 +199,7 @@ assert_status 200 readiness-authority "${output_dir}/readiness.json" http://127.
assert_status 200 graph-authority "${output_dir}/authority-graph-response.json" "${graph_url}"
jq -S . "${output_dir}/authority-graph-response.json" \
>"${output_dir}/authority-graph-response.canonical.json"
cmp "${output_dir}/shadow-graph-response.json" \
cmp "${output_dir}/authority-graph-response-after-restart.canonical.json" \
"${output_dir}/authority-graph-response.canonical.json"

rust_container="$(docker compose "${compose_files[@]}" ps -q rust-platform)"
Expand Down Expand Up @@ -290,26 +230,6 @@ jq \
name: "authority_fail_closed",
status: "passed",
evidence: "API readiness and product graph reads returned 503 when Rust authority was stopped"
},
{
name: "stable_authority_canary",
status: "passed",
evidence: "stable 50 percent sampling served one typed read from Rust and one from Go"
},
{
name: "verified_canary_restart",
status: "passed",
evidence: "100 percent Go-oracle verification was enabled and both stable cohorts survived an API restart"
},
{
name: "canary_legacy_isolation",
status: "passed",
evidence: "global readiness failed closed while the non-sampled Go read stayed available with Rust stopped"
},
{
name: "canary_rust_fail_closed",
status: "passed",
evidence: "the sampled Rust read did not fall back to Go while Rust was stopped"
}
]' "${organizational_receipt}" >"${qualification_receipt}"

Expand Down
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