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Zhengchao An 3eeb459ece ci(s3-tests): pin upstream suite, add weekly full sweep and compat report (#4204 )

Reworks the S3 compatibility test harness for reproducibility and faster
feedback:

- Pin ceph/s3-tests to a fixed commit (S3TESTS_REV, fetch-by-SHA) so the
  449-test PR gate is reproducible; previously every run cloned upstream
  master, letting test renames or assertion changes break CI silently.
- PR gate (ci.yml s3-implemented-tests): MAXFAIL=0 + XDIST=4 so a single
  CI round reports every failure in parallel instead of stopping at the
  first one serially.
- Add TEST_SCOPE=all to run.sh to run the entire upstream suite, and
  report_compat.py to diff junit results against the classification
  lists (regressions, promotion candidates, unclassified tests).
- Rewrite e2e-s3tests.yml: delegate execution to run.sh (single source
  of truth; also fixes the broken config generation that left S3_PORT
  empty), add a weekly scheduled full sweep that fails only on whitelist
  regressions, and fix the multi-node topology to a real distributed
  cluster (endpoint-style RUSTFS_VOLUMES) instead of four independent
  single-node stores behind a load balancer.
- Docs: rewrite stale .github/s3tests/README.md (marker-era strategy),
  update scripts/s3-tests/README.md, fix dead build_testexpr.sh
  reference in S3_COMPAT_WORKFLOW.md, drop legacy non_standard_tests.txt.

All 747 classified test names verified present at the pinned revision;
13 upstream tests are currently unclassified and will surface in the
first full-sweep report.

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

2026-07-02 23:43:19 +08:00

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S3 Compatibility Tests Configuration

This directory contains the configuration template for running Ceph S3 compatibility tests against RustFS.

The test runner itself lives in scripts/s3-tests/ — see its README for how tests are selected, executed, and reported. This directory only holds the shared config template.

Configuration File

s3tests.conf is based on the official s3tests.conf.SAMPLE from the ceph/s3-tests repository. It is a template: scripts/s3-tests/run.sh renders it with envsubst before every run.

Required environment variables (all have defaults in run.sh):

Variable	Meaning
`S3_HOST`	RustFS endpoint host
`S3_PORT`	RustFS endpoint port
`S3_ACCESS_KEY` / `S3_SECRET_KEY`	main user credentials
`S3_ALT_ACCESS_KEY` / `S3_ALT_SECRET_KEY`	alt user credentials (must differ from main)

TLS is disabled (is_secure = False).

Test Selection Strategy

Tests are selected by exact pytest node ids from classification list files in scripts/s3-tests/ — not by pytest markers:

implemented_tests.txt — expected to pass; run as the per-PR gate (ci.yml, job s3-implemented-tests)
unimplemented_tests.txt — standard S3 features not yet implemented
excluded_tests.txt — intentionally excluded (vendor-specific behavior or product decisions)

The upstream s3-tests repository is pinned to a fixed commit (S3TESTS_REV in run.sh) so results are reproducible; bump it deliberately and reclassify the lists when upstream changes.

Where Tests Run

Per PR: .github/workflows/ci.yml job s3-implemented-tests runs the implemented whitelist against a single-node debug binary. Any failure blocks the PR.
Weekly + manual: .github/workflows/e2e-s3tests.yml runs the full upstream suite (TEST_SCOPE=all) against a Docker deployment (single node or a 4-node distributed cluster behind HAProxy). It fails only on regressions in the implemented whitelist and publishes a classification report (compat-report.md, also shown in the job summary) listing promotion candidates and unclassified tests.

Running Tests Locally

# Whitelist run against a locally built binary (the same thing the PR gate does)
./scripts/s3-tests/run.sh

# Full sweep, never stop on failures, 4 pytest workers
TEST_SCOPE=all MAXFAIL=0 XDIST=4 ./scripts/s3-tests/run.sh

# A specific test against an already-running server
DEPLOY_MODE=existing TESTEXPR="test_bucket_list_empty" ./scripts/s3-tests/run.sh

Results land in artifacts/s3tests-single/ (junit.xml, pytest.log, compat-report.md).

Adding New Feature Support

Follow scripts/s3-tests/S3_COMPAT_WORKFLOW.md. In short: fix the behavior, verify with TESTEXPR=..., then move the test from unimplemented_tests.txt to implemented_tests.txt so the PR gate locks it in.

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