test: reproduce Pingora parked-read shutdown lost wakeup - #70
test: reproduce Pingora parked-read shutdown lost wakeup#70seonghobae wants to merge 41 commits into
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📝 WalkthroughWalkthroughSIGTERM 이후 shutdown notification의 인과 관계를 sentinel 연결로 검증하는 프로세스 수준 테스트를 추가했습니다. Generic v1과 pg-erd 경로를 모두 검사합니다. 기존 graceful-shutdown fixture의 timeout 및 evidence 제한을 보강하고, CI의 전체 테스트 실행 계약과 관련 문서를 갱신했습니다. ChangesGraceful shutdown verification
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~60 minutes Severity of issue fixed: Medium Sequence Diagram(s)sequenceDiagram
participant OriginFixture
participant GatewayProcess
participant SentinelClient
participant SubjectClient
SubjectClient->>GatewayProcess: admitted keep-alive request
OriginFixture->>GatewayProcess: hold origin response
SentinelClient->>GatewayProcess: /livez partial next request
SubjectClient->>GatewayProcess: send SIGTERM
GatewayProcess-->>SentinelClient: prompt EOF
OriginFixture->>GatewayProcess: release held response
GatewayProcess-->>SubjectClient: response body and prompt EOF
Merge Risk: 🔵 Low · up to The shutdown-validation documentation adds a markdown formatting violation that can fail documentation linting; it does not affect gateway runtime behavior but should be corrected before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Linked Issues checkExplanation PR은 [ Resolution [
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
📝 Generate docstrings
🧪 Generate unit tests (beta)
Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out. Comment |
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@coderabbitai review Please review the exact current range |
🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
base='62e8369ba52234229c0b6af817c59d47a5e32bf5'
head='24318badbe1456579c703351cc90cdd3db99138b'
echo '=== Exact range and changed files ==='
git diff --stat "$base" "$head"
git diff --name-status "$base" "$head"
git diff --check "$base" "$head"
git diff --find-renames --find-copies --unified=80 "$base" "$head" -- \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md \
docs/product-technical-gap-baseline.md
echo '=== Rust module outlines ==='
ast-grep outline tests/graceful_shutdown.rs --items all --view expanded || true
ast-grep outline tests/pg_erd_graceful_shutdown.rs --items all --view expanded || true
echo '=== Timeout, socket I/O, process, and oracle sites ==='
rg -n -C 5 \
-e 'timeout\s*\(' \
-e 'read_to_end|read_exact|read\b|write_all|flush\b' \
-e 'TcpStream|TcpListener|Listener|accept\s*\(' \
-e 'Command|Child|SIGTERM|kill\s*\(' \
-e 'HTTP/1\.1 200|starts_with|Connection: keep-alive|keep-alive' \
-e '64 \* 1024|65536|5.*second|1.*second' \
tests/graceful_shutdown.rs tests/pg_erd_graceful_shutdown.rs
echo '=== Changed documentation semantic references ==='
rg -n -C 6 \
-e 'Notify|notify_waiters|Notified|future waiter|keep-alive|http_cleanup|shutdown_flag' \
docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md \
docs/product-technical-gap-baseline.md
echo '=== Test support and configuration candidates ==='
fd -a -t f 'Cargo.toml|config\.toml|coderabbit\.ya?ml' . | sort
rg -n -C 3 \
-e 'graceful_shutdown|pg_erd_graceful_shutdown' \
-e 'tokio::time::timeout|Timeout' \
-e 'spawn.*gateway|gateway.*spawn|SIGTERM' \
tests Cargo.toml .coderabbit.yaml .coderabbit.yml 2>/dev/null || trueLength of output: 181865 🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Runtime-policy definitions and composition-root shutdown wiring ==='
rg -n -C 8 \
-e 'V1_GRACE_PERIOD_SECONDS|V1_TERMINATION_BUDGET_SECONDS|V1_GRACEFUL_SHUTDOWN_TIMEOUT_SECONDS' \
-e 'grace_period_seconds|graceful_shutdown_timeout_seconds' \
-e 'shutdown.*notify|notify_waiters|http_cleanup|SIGTERM|termination' \
src tests Cargo.toml
echo '=== Binary target and dependency identity ==='
sed -n '1,260p' Cargo.toml
if [ -f Cargo.lock ]; then
rg -n -C 5 -e '^name = "pingora"|^name = "tokio"|source = ' Cargo.lock
fi
echo '=== Exact changed fixture line ranges ==='
nl -ba tests/graceful_shutdown.rs | sed -n '160,392p'
nl -ba tests/pg_erd_graceful_shutdown.rs | sed -n '120,432p'
echo '=== Test execution selection and workflow references ==='
rg -n -C 5 \
-e 'graceful_shutdown|pg_erd_graceful_shutdown' \
-e 'cargo test|--test' \
.github README.md Cargo.toml 2>/dev/null || true
echo '=== Repository status and exact-parent check ==='
git rev-parse HEAD
git merge-base --is-ancestor 62e8369ba52234229c0b6af817c59d47a5e32bf5 24318badbe1456579c703351cc90cdd3db99138b && echo 'base-is-ancestor=yes'
git diff --check 62e8369ba52234229c0b6af817c59d47a5e32bf5 24318badbe1456579c703351cc90cdd3db99138bLength of output: 118707 🤖 web_search executed:
Length of output: 11056 🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Relevant gateway composition-root source ==='
rg -n -C 10 \
-e 'build_server_conf|grace_period_seconds|graceful_shutdown_timeout_seconds' \
-e 'add_service|run_forever|bootstrap|Server::new' \
src/bin src 2>/dev/null || true
echo '=== CI workflow inventory and test commands ==='
fd -a -t f .github 2>/dev/null | sort
for f in $(fd -a -t f .github 2>/dev/null | sort); do
echo "--- $f"
grep -nE 'cargo (test|fmt)|graceful_shutdown|pg_erd_graceful_shutdown|test --all|test --workspace' "$f" || true
done
echo '=== Exact changed test ranges, using sed line numbers ==='
sed -n '160,205{=;p;}' tests/graceful_shutdown.rs
sed -n '260,392{=;p;}' tests/graceful_shutdown.rs
sed -n '120,195{=;p;}' tests/pg_erd_graceful_shutdown.rs
sed -n '304,432{=;p;}' tests/pg_erd_graceful_shutdown.rs
echo '=== Pinned Pingora shutdown source methods ==='
curl --fail --silent --show-error --location \
'https://raw.githubusercontent.com/cloudflare/pingora/09696b51bc59315353d96686355861604d0bb48c/pingora-proxy/src/lib.rs' \
| grep -n -E -A45 -B15 'async fn handle_new_request|fn http_cleanup|async fn http_cleanup|shutdown_flag|notify_waiters' || true
echo '=== Exact current head and range check ==='
git rev-parse HEAD
if git merge-base --is-ancestor 62e8369ba52234229c0b6af817c59d47a5e32bf5 24318badbe1456579c703351cc90cdd3db99138b; then
echo 'base-is-ancestor=yes'
fi
git diff --check 62e8369ba52234229c0b6af817c59d47a5e32bf5 24318badbe1456579c703351cc90cdd3db99138bLength of output: 56488
The corrected Tokio model is accurate. I did not run the process fixtures in this review environment.
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@coderabbitai review Exact-head review requested for |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
base='62e8369ba52234229c0b6af817c59d47a5e32bf5'
head='3056c23bd37dddfb2573641cb178ffc26e4c69ef'
echo '=== Exact revision checks ==='
git rev-parse HEAD
git cat-file -e "${base}^{commit}"
git cat-file -e "${head}^{commit}"
git merge-base --is-ancestor "$base" "$head" && echo 'base-is-ancestor=yes'
git diff --check "$base" "$head"
git diff --name-status "$base" "$head"
git diff --stat "$base" "$head"
echo '=== Exact seven-path diff ==='
git diff --find-renames --find-copies --unified=45 "$base" "$head" -- \
.github/workflows/ci.yml \
tests/ci_test_execution_contract.rs \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs \
docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md \
docs/product-technical-gap-baseline.md
echo '=== Changed Rust test outlines ==='
for f in \
tests/ci_test_execution_contract.rs \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs
do
echo "--- $f"
ast-grep outline "$f" --items all --view expanded || true
done
echo '=== Barrier, process, I/O, and finite-bound sites ==='
rg -n -C 8 \
-e 'shutdown_post_notify_barrier|post_notify|sentinel' \
-e 'timeout\s*\(|Duration::from_(millis|secs)' \
-e 'read_to_end|read_exact|read\s*\(|write_all|flush\s*\(' \
-e '64 \* 1024|65536|evidence|cap' \
-e 'SIGTERM|kill\s*\(|Child|Command|TcpStream|TcpListener|accept\s*\(' \
-e 'HTTP/1\.1 200|Connection: keep-alive|keep-alive|EOF|UnexpectedEof' \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs
echo '=== CI workflow and execution-contract checks ==='
nl -ba .github/workflows/ci.yml | sed -n '1,260p'
nl -ba tests/ci_test_execution_contract.rs | sed -n '1,300p'
rg -n -C 5 \
-e 'cargo test.*all-targets' \
-e 'no-fail-fast|fail-fast|Compile and test' \
.github/workflows/ci.yml tests/ci_test_execution_contract.rs Cargo.toml
echo '=== Production fallback policy and test target registration ==='
rg -n -C 6 \
-e 'V1_GRACE_PERIOD_SECONDS|V1_TERMINATION_BUDGET_SECONDS|V1_GRACEFUL_SHUTDOWN_TIMEOUT_SECONDS' \
-e 'grace_period_seconds|graceful_shutdown_timeout_seconds' \
src tests Cargo.toml
echo '=== Supplier pin and shutdown implementation ==='
rg -n -C 4 -e '^name = "pingora"|git = .*pingora|rev = ' Cargo.toml Cargo.lock
curl --fail --silent --show-error --location \
'https://raw.githubusercontent.com/cloudflare/pingora/09696b51bc59315353d96686355861604d0bb48c/pingora-proxy/src/lib.rs' \
| grep -n -E -A45 -B15 'async fn handle_new_request|fn http_cleanup|async fn http_cleanup|shutdown_flag|notify_waiters' || trueLength of output: 190819 🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Workflow and contract, with portable line numbering ==='
awk '{printf "%6d %s\n", NR, $0}' .github/workflows/ci.yml | sed -n '1,180p'
awk '{printf "%6d %s\n", NR, $0}' tests/ci_test_execution_contract.rs | sed -n '1,180p'
echo '=== Cargo integration-test discovery and runtime values ==='
awk '{printf "%6d %s\n", NR, $0}' Cargo.toml | sed -n '1,280p'
rg -n -C 4 \
-e 'pub const V1_GRACE_PERIOD_SECONDS' \
-e 'pub const V1_TERMINATION_BUDGET_SECONDS' \
-e 'V1_GRACE_PERIOD_SECONDS|V1_TERMINATION_BUDGET_SECONDS' \
src tests
echo '=== Every dynamically accumulated fixture evidence buffer ==='
rg -n -C 7 \
-e '\.extend_from_slice\(&buffer\[\.\.read\]\)' \
-e 'let mut (request|response|bytes) = Vec::new\(\)' \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs
echo '=== Static checks for workflow-contract blind spots ==='
python3 - <<'PY'
from pathlib import Path
workflow = Path(".github/workflows/ci.yml").read_text()
contract = Path("tests/ci_test_execution_contract.rs").read_text()
step = " - name: Compile and test\n"
expected = " run: cargo test --all-targets --locked --no-fail-fast\n"
print("canonical-heading-count:", workflow.count(step))
print("expected-stanza-count:", workflow.count(step + expected))
print("workflow-has-step-condition:", any(
line.startswith(" if:") for line in workflow.split(step, 1)[1].split("\n - name:", 1)[0].splitlines()
) if step in workflow else "missing")
print("contract-checks-if-key:", '"if:"' in contract or "'if:'" in contract)
print("contract-checks-run-key-count:", "run" in contract and ("count()" in contract))
print("contract-reads-yaml-parser:", "serde_yaml" in contract or "Yaml" in contract)
PY
echo '=== Current test references ==='
rg -n -C 3 \
-e 'ci_test_execution_contract' \
-e 'shutdown_post_notify_barrier' \
-e 'graceful_shutdown' \
Cargo.toml .github/workflows/ci.yml README.md testsLength of output: 48106 🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Locate gateway-local health handlers and HTTP response construction ==='
rg -n -C 10 \
-e 'livez|readyz' \
-e 'Connection: close|Connection: keep-alive' \
-e 'write_response|response.*header|ResponseHeader' \
src tests
echo '=== Health and keep-alive test outlines ==='
fd -a -t f -e rs . src tests | sort | while IFS= read -r f; do
if rg -q 'livez|readyz|keep-alive' "$f"; then
echo "--- $f"
ast-grep outline "$f" --items all --view expanded || true
fi
done
echo '=== Sentinel protocol sequence and exact response assertions ==='
awk 'NR>=265 && NR<=330 {printf "%6d %s\n", NR, $0}' tests/shutdown_post_notify_barrier.rsLength of output: 244917
The new sentinel design otherwise corrects the earlier listener-closure-plus-fixed-sleep weakness. Its one-second EOF bound and the required pre-fallback margin prevent the five-second runtime fallback from satisfying either EOF assertion. The corrected I did not execute the process fixtures in this environment. You are interacting with an AI system. |
|
Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
base='62e8369ba52234229c0b6af817c59d47a5e32bf5'
head='6f0adc5aaa218d30f9bdae2707919519fb6e7110'
echo '=== Exact revision identity ==='
git rev-parse HEAD
git cat-file -e "${base}^{commit}"
git cat-file -e "${head}^{commit}"
git merge-base --is-ancestor "$base" "$head" && echo 'base-is-ancestor=yes'
git diff --check "$base" "$head"
git diff --name-status "$base" "$head"
git diff --stat "$base" "$head"
echo '=== Seven-path exact diff ==='
git diff --find-renames --find-copies --unified=60 "$base" "$head" -- \
.github/workflows/ci.yml \
tests/ci_test_execution_contract.rs \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs \
docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md \
docs/product-technical-gap-baseline.md
echo '=== Test file maps ==='
for f in \
tests/ci_test_execution_contract.rs \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs
do
echo "--- $f"
ast-grep outline "$f" --items all --view expanded
done
echo '=== Full bounded-I/O, process, sentinel, and timeout contexts ==='
rg -n -C 10 \
-e 'sentinel|post_notify|livez' \
-e 'signal_sent_at|SIGTERM|kill\s*\(' \
-e 'V1_GRACE_PERIOD_SECONDS|V1_TERMINATION_BUDGET_SECONDS' \
-e 'recv_timeout|timeout\s*\(|Duration::from_(secs|millis)' \
-e 'read\s*\(|read_exact|read_to_end|write_all|flush' \
-e 'extend_from_slice|64 \* 1024|65536|evidence' \
-e 'EOF|UnexpectedEof|Connection: close|Connection: keep-alive' \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs \
src
echo '=== CI execution contract and workflow ==='
nl -ba .github/workflows/ci.yml | sed -n '1,260p'
nl -ba tests/ci_test_execution_contract.rs | sed -n '1,300p'
echo '=== Supplier pin and applicable upstream shutdown code ==='
rg -n -C 5 -e 'pingora.*git|rev = ' Cargo.toml Cargo.lock
curl --fail --silent --show-error --location \
'https://raw.githubusercontent.com/cloudflare/pingora/09696b51bc59315353d96686355861604d0bb48c/pingora-proxy/src/lib.rs' \
| grep -n -E -A50 -B15 'async fn handle_new_request|fn http_cleanup|async fn http_cleanup|shutdown_flag|notify_waiters' || trueLength of output: 214195 🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Exact workflow and CI contract ==='
awk '{printf "%6d %s\n", NR, $0}' .github/workflows/ci.yml | sed -n '1,150p'
awk '{printf "%6d %s\n", NR, $0}' tests/ci_test_execution_contract.rs | sed -n '1,180p'
echo '=== Exact sentinel and generic-origin ranges ==='
awk '{printf "%6d %s\n", NR, $0}' tests/shutdown_post_notify_barrier.rs | sed -n '120,345p'
awk '{printf "%6d %s\n", NR, $0}' tests/graceful_shutdown.rs | sed -n '165,390p'
awk '{printf "%6d %s\n", NR, $0}' tests/pg_erd_graceful_shutdown.rs | sed -n '125,435p'
echo '=== Local health response behavior ==='
awk '{printf "%6d %s\n", NR, $0}' src/process_health.rs | sed -n '1,180p'
rg -n -C 5 -e 'respond_healthy\s*\(' -e 'LIVENESS_PATH|/livez' src
echo '=== Workflow-step modifier check ==='
python3 - <<'PY'
from pathlib import Path
text = Path(".github/workflows/ci.yml").read_text()
marker = " - name: Compile and test\n"
assert marker in text, "canonical step missing"
step = text.split(marker, 1)[1].split("\n - name:", 1)[0]
print(step)
for key in ("continue-on-error:", "if:", "timeout-minutes:"):
print(f"{key} present:", key in step)
PY
echo '=== Pinned supplier shutdown implementation ==='
curl --fail --silent --show-error --location \
'https://raw.githubusercontent.com/cloudflare/pingora/09696b51bc59315353d96686355861604d0bb48c/pingora-proxy/src/lib.rs' \
| awk '
/async fn handle_new_request|async fn http_cleanup|fn http_cleanup|shutdown_flag|notify_waiters/ {
start = NR - 12
if (start < 1) start = 1
for (i = start; i < NR; i++) if (!(i in shown)) buf[i] = 1
}
{ lines[NR] = $0 }
END {
for (i = 1; i <= NR; i++) {
if ((i in buf) || lines[i] ~ /async fn handle_new_request|async fn http_cleanup|fn http_cleanup|shutdown_flag|notify_waiters/) {
for (j = i; j <= i + 45 && j <= NR; j++) shown[j] = 1
}
}
for (i = 1; i <= NR; i++) if (i in shown) printf "%6d %s\n", i, lines[i]
}'Length of output: 74578
The false-RED repair is correct in the causal fixture. The origin controller watchdog at The pinned supplier source also matches the corrected Tokio model. I did not execute the process fixtures in this environment. You are interacting with an AI system. |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
base='62e8369ba52234229c0b6af817c59d47a5e32bf5'
head='05c9130eece86e8e0a121a15a971d75d8065413b'
echo '=== Revision and range ==='
git rev-parse HEAD
git cat-file -e "${base}^{commit}"
git cat-file -e "${head}^{commit}"
git merge-base --is-ancestor "$base" "$head" && echo 'base-is-ancestor=yes'
git diff --check "$base" "$head"
git diff --name-status "$base" "$head"
git diff --stat "$base" "$head"
echo '=== Requested seven-path diff ==='
git diff --find-renames --find-copies --unified=45 "$base" "$head" -- \
.github/workflows/ci.yml \
tests/ci_test_execution_contract.rs \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs \
docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md \
docs/product-technical-gap-baseline.md
echo '=== Test file outlines ==='
for f in \
tests/ci_test_execution_contract.rs \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs
do
echo "--- $f"
ast-grep outline "$f" --items all --view expanded || true
done
echo '=== Causal barrier, finite I/O, watchdog, and grace assertions ==='
rg -n -C 10 \
-e 'sentinel|post_notify|livez' \
-e 'signal_sent_at|SIGTERM|kill\s*\(' \
-e 'V1_GRACE_PERIOD_SECONDS|V1_TERMINATION_BUDGET_SECONDS' \
-e 'recv_timeout|timeout\s*\(|Duration::from_(secs|millis)' \
-e 'read\s*\(|read_exact|read_to_end|write_all|flush' \
-e 'extend_from_slice|64 \* 1024|65536|evidence' \
-e 'EOF|UnexpectedEof|Connection: close|Connection: keep-alive' \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs
echo '=== Workflow and execution contract ==='
nl -ba .github/workflows/ci.yml | sed -n '1,220p'
nl -ba tests/ci_test_execution_contract.rs | sed -n '1,260p'
echo '=== Runtime constants and docs projection ==='
rg -n -C 5 \
-e 'V1_GRACE_PERIOD_SECONDS|V1_TERMINATION_BUDGET_SECONDS' \
src tests
nl -ba docs/product-technical-gap-baseline.md | sed -n '1,320p'
nl -ba docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md | sed -n '1,320p'Length of output: 186247 🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Health response construction and keep-alive behavior ==='
fd -a -t f -e rs . src tests | sort | while IFS= read -r f; do
if rg -q 'livez|LIVENESS_PATH|Connection: close|Connection: keep-alive|respond_healthy' "$f"; then
echo "--- $f"
rg -n -C 8 -e 'livez|LIVENESS_PATH|Connection: close|Connection: keep-alive|respond_healthy' "$f"
fi
done
echo '=== Exact causal barrier sequence ==='
awk 'NR>=225 && NR<=340 {printf "%6d %s\n", NR, $0}' tests/shutdown_post_notify_barrier.rs
echo '=== Generic in-flight origin reader ==='
awk 'NR>=160 && NR<=200 {printf "%6d %s\n", NR, $0}' tests/graceful_shutdown.rs
echo '=== Canonical workflow test step and contract ==='
awk 'NR>=20 && NR<=55 {printf "%6d %s\n", NR, $0}' .github/workflows/ci.yml
awk 'NR>=1 && NR<=100 {printf "%6d %s\n", NR, $0}' tests/ci_test_execution_contract.rs
echo '=== Baseline `#70` projection and execution order ==='
rg -n -C 5 -e '^### `#70`|origin-response release|no-fail-fast|signal_sent_at|one-second|Execution order' \
docs/product-technical-gap-baseline.md
echo '=== Static absence/presence checks ==='
python3 - <<'PY'
from pathlib import Path
barrier = Path("tests/shutdown_post_notify_barrier.rs").read_text()
workflow = Path(".github/workflows/ci.yml").read_text()
contract = Path("tests/ci_test_execution_contract.rs").read_text()
marker = " - name: Compile and test\n"
step = workflow.split(marker, 1)[1].split("\n - name:", 1)[0]
print("barrier pre-SIGTERM read after partial write:",
"sentinel\n .write_all(b\"G\")" in barrier and
"thread::sleep(SENTINEL_PARK_SETTLE);" in barrier)
print("barrier checks Connection: close:", "Connection: close" in barrier)
print("canonical step:", repr(step))
print("canonical has continue-on-error:", "continue-on-error:" in step)
print("canonical has if:", "\n if:" in step)
print("contract checks continue-on-error:", "continue-on-error" in contract)
print("contract checks step if:", '"if:"' in contract or "'if:'" in contract)
PYLength of output: 71502
The false-RED repair is otherwise correct. The origin response-release watchdog uses I did not execute the process fixtures in this environment. You are interacting with an AI system. |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
base='62e8369ba52234229c0b6af817c59d47a5e32bf5'
head='f43b9f7d2113c29c3338a6b957b50a8fb82a3c25'
echo '=== Exact revision and range ==='
git rev-parse HEAD
git cat-file -e "${base}^{commit}"
git cat-file -e "${head}^{commit}"
git merge-base --is-ancestor "$base" "$head" && echo 'base-is-ancestor=yes'
git diff --check "$base" "$head"
git diff --name-status "$base" "$head"
git diff --stat "$base" "$head"
echo '=== Requested seven-path diff ==='
git diff --find-renames --find-copies --unified=55 "$base" "$head" -- \
.github/workflows/ci.yml \
tests/ci_test_execution_contract.rs \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs \
docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md \
docs/product-technical-gap-baseline.md
echo '=== Rust test maps ==='
for f in \
tests/ci_test_execution_contract.rs \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs
do
echo "--- $f"
ast-grep outline "$f" --items all --view expanded
done
echo '=== Causal barrier and clock-sensitive ranges ==='
nl -ba tests/shutdown_post_notify_barrier.rs | sed -n '1,430p'
nl -ba tests/graceful_shutdown.rs | sed -n '150,410p'
nl -ba tests/pg_erd_graceful_shutdown.rs | sed -n '110,455p'
echo '=== Canonical CI step and its regression contract ==='
nl -ba .github/workflows/ci.yml | sed -n '1,180p'
nl -ba tests/ci_test_execution_contract.rs | sed -n '1,260p'
echo '=== Static checks for prior false-GREEN and finite-I/O surfaces ==='
python3 - <<'PY'
from pathlib import Path
barrier = Path("tests/shutdown_post_notify_barrier.rs").read_text()
generic = Path("tests/graceful_shutdown.rs").read_text()
workflow = Path(".github/workflows/ci.yml").read_text()
contract = Path("tests/ci_test_execution_contract.rs").read_text()
marker = " - name: Compile and test\n"
assert marker in workflow, "canonical CI step missing"
step = workflow.split(marker, 1)[1].split("\n - name:", 1)[0]
for needle in (
"Connection: close",
"SENTINEL_PARK_SETTLE",
"TimedOut",
"signal_sent_at",
"V1_TERMINATION_BUDGET_SECONDS",
"V1_GRACE_PERIOD_SECONDS",
):
print(f"barrier contains {needle!r}: {needle in barrier}")
print("generic contains 64KiB bound:", "64 * 1024" in generic)
print("canonical CI step:", repr(step))
for needle in ("continue-on-error:", "\n if:", "cargo test --all-targets --locked --no-fail-fast"):
print(f"canonical step contains {needle!r}: {needle in step}")
for needle in ("continue-on-error", '"if:"', "cargo test --all-targets --locked --no-fail-fast"):
print(f"execution contract contains {needle!r}: {needle in contract}")
PY
echo '=== Shutdown constants and supplier pin references ==='
rg -n -C 5 \
-e 'V1_GRACE_PERIOD_SECONDS|V1_TERMINATION_BUDGET_SECONDS' \
-e 'grace_period_seconds|graceful_shutdown_timeout_seconds' \
src tests Cargo.toml
rg -n -C 4 -e 'pingora.*git|rev = ' Cargo.toml Cargo.lock
echo '=== Documentation clocks, ordering, and closure claims ==='
nl -ba docs/product-technical-gap-baseline.md | sed -n '70,175p'
nl -ba docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md | sed -n '1,260p'
rg -n -C 4 \
-e 'signal_sent_at|one-second|1 second|five-second|5 second|30-second|30 second' \
-e 'sentinel|origin|watchdog|no-fail-fast|runtime closure|closed|closure|Draft|release|governance' \
docs/product-technical-gap-baseline.md \
docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.mdLength of output: 107681 🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== Exact focused fixture ranges ==='
awk 'NR>=165 && NR<=215 {printf "%6d %s\n", NR, $0}' tests/graceful_shutdown.rs
awk 'NR>=225 && NR<=340 {printf "%6d %s\n", NR, $0}' tests/shutdown_post_notify_barrier.rs
awk 'NR>=1 && NR<=100 {printf "%6d %s\n", NR, $0}' tests/ci_test_execution_contract.rs
awk 'NR>=25 && NR<=48 {printf "%6d %s\n", NR, $0}' .github/workflows/ci.yml
echo '=== Clock and finite-I/O assertions in all process fixtures ==='
rg -n -C 4 \
-e 'signal_sent_at|termination_deadline|V1_GRACE_PERIOD_SECONDS|V1_TERMINATION_BUDGET_SECONDS' \
-e 'PRE_FALLBACK_CLOSE_WINDOW|SENTINEL_PARK_SETTLE|Connection: close|TimedOut|WouldBlock' \
-e 'extend_from_slice|64 \* 1024|MAX_FIXTURE' \
tests/graceful_shutdown.rs \
tests/pg_erd_graceful_shutdown.rs \
tests/shutdown_post_notify_barrier.rs
echo '=== Documentation: `#70` section and traceability acceptance section ==='
awk 'NR>=100 && NR<=155 {printf "%6d %s\n", NR, $0}' docs/product-technical-gap-baseline.md
awk 'NR>=1 && NR<=115 {printf "%6d %s\n", NR, $0}' docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md
echo '=== Structured source checks ==='
python3 - <<'PY'
from pathlib import Path
import re
barrier = Path("tests/shutdown_post_notify_barrier.rs").read_text()
generic = Path("tests/graceful_shutdown.rs").read_text()
contract = Path("tests/ci_test_execution_contract.rs").read_text()
baseline = Path("docs/product-technical-gap-baseline.md").read_text()
trace = Path("docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md").read_text()
sentinel = re.search(
r'let sentinel_response = read_headers\(&mut sentinel\);(?P<body>.*?)let signal_sent_at = Instant::now\(\);',
barrier, re.S
)
print("sentinel sequence found:", bool(sentinel))
if sentinel:
body = sentinel.group("body")
for text in ("Connection: close", ".read(", "TimedOut", "SENTINEL_PARK_SETTLE"):
print(f"sentinel pre-SIGTERM sequence contains {text!r}: {text in body}")
first_origin = re.search(
r'fn sigterm_drains_an_in_flight_request_before_process_exit\(\).*?request\.extend_from_slice\(&buffer\[\.\.read\]\);(?P<after>.{0,240})',
generic, re.S
)
print("first generic origin append found:", bool(first_origin))
if first_origin:
print("first generic origin append has nearby evidence limit:",
"MAX_FIXTURE_RESPONSE_BYTES" in first_origin.group("after"))
for text in ("continue-on-error", '"if:"', "serde_yaml", "COMPILE_AND_TEST_STEP"):
print(f"CI contract contains {text!r}: {text in contract}")
for text in ("30-second watchdog", "one-second", "five-second", "runtime closure"):
print(f"baseline contains {text!r}: {text in baseline}")
print(f"traceability contains {text!r}: {text in trace}")
PYLength of output: 65165
The false-RED clock repair is correct in the current source. The corrected I did not execute the process fixtures in this review environment. You are interacting with an AI system. |
|
@coderabbitai review Fresh exact-range review requested for |
🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
base='2d53c57fd6456a15c85bff28a8ea26132f00fd42'
head='9dbecd3a0891f24d8ae6e0a3e24d5cf44d64c71a'
echo '=== Exact range identity ==='
git cat-file -e "${base}^{commit}"
git cat-file -e "${head}^{commit}"
git merge-base --is-ancestor "$base" "$head" && echo 'base-is-ancestor=yes'
git diff --check "$base" "$head"
git diff --name-status "$base" "$head"
git diff --stat "$base" "$head"
echo '=== Documentation-only diff ==='
git diff --unified=80 "$base" "$head" -- docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md
echo '=== Current traceability document ==='
nl -ba docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md | sed -n '1,260p'
echo '=== Current causal acceptance fixture statements referenced by the document ==='
ast-grep outline tests/shutdown_post_notify_barrier.rs --items all --view expanded
rg -n -C 8 \
-e 'sentinel|Notified|notify_waiters|enable|TimedOut|WouldBlock' \
-e 'Connection: close|require_prompt_eof|signal_sent_at|PRE_FALLBACK' \
tests/shutdown_post_notify_barrier.rs
echo '=== Tokio dependency identity ==='
rg -n -C 4 -e '^name = "tokio"$|^version = ' Cargo.lock Cargo.tomlLength of output: 14807 🤖 web_search executed:
Length of output: 14672 🏁 Script executed: #!/bin/bash
set -euo pipefail
base='2d53c57fd6456a15c85bff28a8ea26132f00fd42'
head='9dbecd3a0891f24d8ae6e0a3e24d5cf44d64c71a'
doc='docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md'
echo '=== Exact head ==='
git rev-parse "$head"
git show --no-patch --format='commit=%H%nauthor=%an%ndate=%aI%nsubject=%s' "$head"
echo '=== Changed lines with current line numbers ==='
awk 'NR >= 12 && NR <= 52 { printf "Line %d: %s\n", NR, $0 }' "$doc"
echo '=== Exact word diff ==='
git diff --word-diff=plain "$base" "$head" -- "$doc"
echo '=== Claims about current PR `#70` acceptance and closure ==='
rg -n -C 2 \
-e 'CWL executable acceptance|RED / GREEN evidence contract' \
-e 'requires|must|GREEN|closed|closure|supported supplier|immutable|governed' \
"$doc"
echo '=== Current fixture pre-SIGTERM oracle, for cross-checking documentation claims ==='
sed -n '270,325p' tests/shutdown_post_notify_barrier.rs
echo '=== Verify no non-document changes exist in the range ==='
test "$(git diff --name-only "$base" "$head" | wc -l)" -eq 1
test "$(git diff --name-only "$base" "$head")" = "$doc"
echo 'only-expected-document-changed=yes'Length of output: 27005
The range changes only Line 20 is correct. Tokio documents that Line 40 states the correct minimal single- The new text does not overclaim executable acceptance or runtime closure. It still requires an immutable or governed supplier identity, exact acceptance reruns, and separate high-concurrency evidence. I also applied the existing PR This is a technical review only. It is not independent approval. 🧠 Learnings used✅ Action performedReview finished.
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
minimal, and validate.
Inline comments:
In `@docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md`:
- Line 34: Update the HTTP success wording in the sentinel description to remove
the trailing space from the inline code span `HTTP/1.1 200`; state separately in
plain text that the status token must be followed by a space. Preserve the exact
status-token validation requirement.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
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Configuration used: Organization UI
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Plan: Advanced
Run ID: 52207299-0b9f-4b83-a452-a079ee9114c9
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docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.mdtests/ci_test_execution_contract.rstests/shutdown_post_notify_barrier.rs
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Exact-current technical sweep on 4c21faf8a2d70c88c899c28ce3dab44a73fbadf2: the only changed source from 9dbecd3... is the one-line MD038 TRACEABILITY correction, and the returned inline review threads are resolved. Exact hosted CI preserves the intentional supplier RED only in tests/shutdown_post_notify_barrier.rs; admitted-work drain remains GREEN and independent load, OCI runtime, Supply Chain and bounded-origin capacity lanes are GREEN. I found no additional actionable writer-safe source/test/documentation/DDD or authority-boundary defect on this exact head. This COMMENT is technical evidence only, not an approval or protected-merge/release credit.
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Exact-head technical re-review after terminal hosted execution. The 4c21faf8...→d1693b90... delta is documentation-only and does not alter production Rust, the supplier pin, traffic oracle, timeout, workflow semantics, routing/retry, or Admin Config. CI 34412574622 now independently re-establishes the intended old-pin supplier RED only in tests/shutdown_post_notify_barrier.rs for both generic and pg-erd while ordinary admitted-work graceful drain remains GREEN; same-head load/OCI, Supply Chain 34412574661, and bounded-origin capacity 34412574575 are GREEN. All current inline findings remain resolved. I found no additional actionable writer-safe source/test/documentation/DDD/authority-boundary defect on this exact head. Keep Draft: this COMMENT is technical evidence only, not an approval or protected-promotion credit.
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Exact-head technical review of the two documentation-only release-state repairs: the changed range now distinguishes the gateway's admitted old-pin shutdown RED from published Pingora 0.9.0 source, preserves #969 as provenance rather than a mutable dependency, and moves correctness promotion to exact release/package qualification → ordinary pin/lock bump → unchanged #70 GREEN. The canonical product/technical baseline now carries the same durable transition while keeping derivative, parser-admission, whole-header lifetime and mixed-protocol roots independent. No traffic oracle, production Rust, supplier pin, timeout, route/retry policy or acceptance threshold changed. I found no additional actionable writer-safe source/test/documentation/DDD-boundary defect in this exact changed range. COMMENT only; this is not an approval or protected-promotion credit, and current exact hosted runs must terminate before any GREEN/RED credit is attached to this SHA.
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Registry qualification evidence for the next ordinary dependency transition:
These immutable-by-version registry entries remove the direct package-availability ambiguity. They do not substitute for a resolver-generated gateway |
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Exact-current technical sweep on d08566188e0ce97861ad2a4c27206b32143287b0: the temporary resolver workflow introduced at predecessor d0999a5b... has been removed, so the effective final-#47→current PR diff is back to the same seven writer-safe paths and contains no resolver workflow. This avoids leaving a purpose-complete branch-push workflow that would amplify organization Actions pressure. The obsolete predecessor resolver run remains pre-execution (runner_id=0, steps=[]) and receives no lock/RED/GREEN credit. All existing inline findings remain resolved; I found no additional actionable gateway-local source/test/documentation/DDD-boundary defect in the current effective diff. Current exact CI/Supply Chain/capacity are still incomplete and must terminate before this SHA receives execution credit. COMMENT only; not an independent approval or protected-promotion credit.
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Fresh exact-current technical re-review on d08566188e0ce97861ad2a4c27206b32143287b0 after the formerly queued hosted lanes terminated. The effective final-#47→current range still contains no production-source or persistent resolver-workflow change beyond the established seven writer-safe evidence paths. CI 34425484429 now cleanly distinguishes infrastructure from semantics: exact checkout/toolchain/format/compile, 24 production unit tests, ordinary generic graceful drain, routed pg-erd graceful drain, and later independent test targets pass; only both shutdown_post_notify_barrier post-notification keep-alive cases fail at the one-second evidence bound on pinned Pingora 09696b51.... Same-head load, OCI, Supply Chain, and bounded-origin capacity are GREEN; the capacity artifact records 1600 requests, 3200/3200 checks, zero HTTP failures and aggregate p95 2.66943785 ms. No new gateway-local source/test/DDD/authority-boundary repair is justified before the released-supplier transition. Next causal change remains resolver-generated crates.io =0.9.0 manifest/lock followed by the unchanged shutdown oracle. COMMENT only; no independent approval, merge, release, or cutover credit.
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Exact-current technical review on ebdb2c4091aec206fb30174eee9c6c86160bb047: re-read the terminal 4e24feb... 0.9.0 execution, the focused traceability repair, and the exact 4e24feb...→ebdb2c... comparison. The new commit changes only docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.md and correctly separates historical old-pin RED from the exact crates.io 0.9.0 consumer GREEN. It does not change production Rust, shutdown fixtures, manifest/lock, workflow semantics, Admin Config, routing/retry, or product/security authority. The prior exact runtime candidate proves unchanged generic+pg-erd post-notification shutdown and admitted-work drain GREEN; current-head hosted runs are fresh and incomplete, so predecessor execution is not transferred as current-head gate credit. I found no additional actionable writer-safe source/test/documentation/DDD or authority-boundary defect in this one-file current delta. COMMENT only; not an independent APPROVED review and not protected merge/release/cutover credit.
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Exact-current terminal review on ebdb2c4091aec206fb30174eee9c6c86160bb047: all returned inline threads are resolved and all normal exact-head evidence has terminated GREEN. CI 34449722955 passed load-contract, oci-runtime, and test; the test job passed exact checkout, formatting, cargo test --all-targets --locked --no-fail-fast, Clippy, rustdoc, complete owned-production coverage enforcement, and resolved-lock verification. Supply Chain 34449722945 passed committed dependency audit, candidate builds, SPDX SBOM, both image scans and exact-source binding. Capacity 34449722938 is exact-head GREEN. The one-file 4e24feb...→ebdb2c... delta remains documentation-only and does not alter production Rust, shutdown traffic, manifest/lock, workflow, Admin Config, routing/retry, or authority boundaries. No additional actionable writer-safe source/test/documentation/DDD finding is present. This COMMENT is technical evidence only, not independent APPROVED governance credit; the candidate is ready for independent review, not owner-authorized protected merge.
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Executable RED→consumer-transition successor to final documentation projection #47. This PR does not close the broader #46 performance/scaling work,
cloudflare/pingora#844, or historical contributor PRcloudflare/pingora#969by declaration alone.Dependency root / writer-safe scope
Base remains final #47
62e8369ba52234229c0b6af817c59d47a5e32bf5; current exact head isebdb2c4091aec206fb30174eee9c6c86160bb047. Product auth/business logic, Keyverse/Wardnet/EgressWeave authority and Pingora supplier source remain outside this writer.The executable contract requires a shutdown-state handshake that cannot lose a one-shot notification across a later HTTP/1 keep-alive iteration. Existing admitted-work SIGTERM drain remains a separate invariant. Technical COMMENT reviews are evidence only, not independent
APPROVEDgovernance credit.Released supplier → exact registry consumer transition
Pingora 0.9.0 is published and contains the maintainer-integrated graceful-shutdown lost-wakeup/sharded-notification successor.
Cargo.tomlselects exact crates.iopingora = "=0.9.0"withproxy,opensslandpingora-prometheus = "=0.9.0"; the superseded mutable Git source/revision09696b51bc59315353d96686355861604d0bb48cis no longer a direct dependency.Cargo generated the replacement lock at ordinary branch commit
6799d961823626ed65cf0b50a81aca1880af22b0. The direct package checksums arefc02712a3847828d6b798ecf31f0ac64e138df26b9513e20d52319cf3cecd11eforpingoraand56fc7764cf4a5ff68aae5e373a4e8e2cbff077dd9dea975cc04ca9aa863abb2cforpingora-prometheus. The purpose-complete write-capable resolver workflow was removed by ordinary descendant155cca2345f9bcaa1a0c6eaeb8d12cb716c4c726, so no self-modifying resolver remains in the candidate tree.Exact 0.9.0 correctness GREEN
The first normal 0.9.0 candidate exposed a stale repository-local supply-chain contract that still required the old 0.8.0 Git pin.
04fa9724035794abbd7531abe356468089d8a049repaired that contract; immediate re-review found its first negative assertion overbroad, so4e24feb34835a291120f72b58f0865ad5da786b6narrowed the prohibition specifically to Cloudflare Pingora Git fallback and the superseded revision.Exact
4e24feb...completed all normal evidence GREEN. CI34445526162passedoci-runtime,load-contract, andtest; the test lane passed formatting,cargo test --all-targets --locked --no-fail-fast, Clippy, rustdoc, owned-production coverage enforcement, and resolved-lock verification. Supply Chain34445526124passed dependency audit, SBOM generation, dual-image scanning and exact-source binding. PgErd bounded-origin capacity34445526108passed 1,600 requests and 3,200/3,200 checks with zero HTTP failures; aggregate/backend/frontend p95 were approximately 4.062/4.006/4.087 ms, all below the 20 ms controlled-loopback gate.Most importantly, the unchanged generic and pg-erd post-notification shutdown assertions pass on exact crates.io Pingora 0.9.0 while the admitted-work drain controls remain GREEN. This closes the downstream shutdown correctness acceptance for this consumer transition. It does not close the separate configured-worker/NUMA contention/performance half of #46.
Current documentation repair and exact-head GREEN
Review after terminal 0.9.0 execution found
docs/doctoring/PINGORA_SHUTDOWN_NOTIFY_TRACEABILITY.mdstill described #70 as compiled against the historical old pin and still waiting for the dependency bump. That was a valid code-current documentation defect. Ordinary descendantebdb2c4091aec206fb30174eee9c6c86160bb047changes only that focused traceability file, distinguishing historical old-pin RED from the exact 0.9.0 consumer GREEN and preserving the remaining performance/release boundaries. The4e24feb...→ebdb2c...comparison is one documentation-only commit with no production Rust, traffic fixture, manifest/lock, workflow, Admin Config, routing, retry, or authority-boundary change.Fresh normal exact-head workflows have now terminated GREEN on
ebdb2c.... CI34449722955passed all three jobs (load-contract,oci-runtime,test). Thetestjob passed exact checkout, formatting,cargo test --all-targets --locked --no-fail-fast, Clippy, warnings-denied rustdoc, owned-production coverage enforcement and resolved-lock verification. Supply Chain34449722945passed committed dependency audit, candidate builds, SPDX SBOM generation, both image scans and exact-source binding. PgErd bounded-origin capacity34449722938is GREEN; artifact10141281446, digestsha256:332d4d1b28eef301cc7d22b63d8a3fccfdf8bcd191f62b03067b145e868e625b, records 1,600 requests, 3,200/3,200 checks, zero HTTP failures, aggregate p954.1114611 ms, backend p954.08338245 ms/ 800, frontend p954.1665165 ms/ 800. This remains controlled-loopback evidence, not TLS/H2/WAN production-SLO credit.All returned inline review threads are resolved. Exact-current terminal technical review
5164644373found no additional actionable writer-safe source/test/documentation/DDD or authority-boundary defect. No independentAPPROVEDreview is claimed; the PR is Ready for independent review, not protected merge by owner assertion.Promotion boundary
Released 0.9.0 contains the maintainer-integrated shutdown successor. Upstream #844 is closed/completed with the public 0.9.0 release; mutable contributor #969 remains historical provenance rather than dependency authority. The shutdown correctness path is now
exact 0.9.0 registry manifest + Cargo-generated lock + corrected supply-chain contract + unchanged generic/pg-erd shutdown GREEN + exact-head CI/Supply Chain/runtime/load GREEN.The remaining #46 edge is configured-worker/NUMA contention profiling and later release/promotion evidence. Other promotion roots remain independent: #54/#889 derivative removal, #71/#447 monotonic whole-header lifetime, #72/#993 parser admission, H2→H1 Cookie normalization, zero-length chunk framing, and #56 independent approval/governance. No protected merge, immutable gateway release, canary/shadow, rollback, cutover or Nginx/OpenResty removal credit is claimed.