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ci: take the server from the aistor download path, which still serves - #267

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harshavardhana merged 2 commits into
minio:mainfrom
harshavardhana:ci/minio-download-aistor-path
Sep 14, 2026
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harshavardhana merged 2 commits into
minio:mainfrom
harshavardhana:ci/minio-download-aistor-path

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@harshavardhana

@harshavardhana harshavardhana commented Sep 14, 2026 •

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What

Five jobs — Alpine, both Windows, both macOS — fail on one cause, and it is not any change in the tree. The legacy community download path has been withdrawn:

410  https://dl.min.io/server/minio/release/windows-amd64/minio.exe
410  https://dl.min.io/server/minio/release/linux-amd64/minio
410  .../server/minio/release/darwin-arm64/archive/minio.RELEASE.2025-09-06T17-38-46Z

That last one is what the minio/stable/minio brew formula resolves to, so macOS fails inside brew install. Alpine fails on its pinned RELEASE.2025-09-07T16-13-09Z. Windows fails on the unversioned .exe.

The Ubuntu jobs pass throughout, because they already pull from the aistor path — which is serving fine:

200  https://dl.min.io/aistor/minio/release/linux-amd64/minio
200  https://dl.min.io/aistor/minio/release/darwin-arm64/minio
200  https://dl.min.io/aistor/minio/release/windows-amd64/minio.exe

How

The other three jobs now fetch from the same place Ubuntu does.

  • macOS stops taking the server from brew (the formula pins a withdrawn release) and downloads it directly. It uses curl, not wget: a macOS runner has no wget unless something installs one, and nothing here did — brew was only being asked for pkg-config cmake minio.
  • Windows is a one-word URL change.
  • Alpine drops the pinned release. A pin is precisely what expires into a 410.

MINIO_LICENSE is exported in the three start steps that lacked it. The Ubuntu start step already does this for the same binary, so it is what the aistor build expects.

Integrity

Alpine keeps verifying its download. The published .sha256sum names the release archive rather than minio, so sha256sum -c cannot consume it as-is against a file called minio; the digest is compared directly instead:

echo "$(cut -d' ' -f1 minio.sha256sum)  minio" | sha256sum -c -

Checked

  • All three aistor URLs return 200; all the server/... ones return 410.
  • The linux-amd64 binary is statically linked, so it still runs under Alpine's musl, as the previous one did.
  • macOS runners are arm64 (the failing brew log resolves darwin-arm64 under /opt/homebrew), so darwin-arm64 is the right artifact.
  • The workflow still parses as YAML.

🤖 Generated with Claude Code

Summary by CodeRabbit

  • Chores
    • Updated automated build and validation workflows to use MinIO AIStor builds across macOS, Windows, and Alpine environments.
    • Added license configuration for AIStor-based builds.
    • Improved Alpine setup with checksum verification and required data-directory initialization.

Alpine, both Windows jobs and both macOS jobs fail on the same thing: the
legacy community download path is gone. `dl.min.io/server/minio/release/...`
answers 410 for the Windows binary, for the pinned Alpine release, and for
the darwin-arm64 archive that `minio/stable/minio` resolves to, so three
different install steps and one brew formula all fail to fetch a server.

The Ubuntu jobs pass because they already pull from
`dl.min.io/aistor/minio/release/...`, which serves 200 for linux, darwin-arm64
and windows-amd64 alike. The rest now do the same. macOS stops taking the
server from brew, since that formula pins a withdrawn release, and fetches
with curl rather than wget — a macOS runner has no wget unless something
installs one.

That binary wants a license, as the Ubuntu job's start step already shows, so
the other three export MINIO_LICENSE the same way.

Alpine keeps verifying what it downloaded. The published sum names the release
archive rather than `minio`, so the digest is compared directly instead of
handing the file to `sha256sum -c` whole. Dropping the pinned release is the
point: a pin is what expires into a 410.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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coderabbitai Bot commented Sep 14, 2026 •

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📒 Files selected for processing (2)
  • .github/minio-release.env
  • .github/workflows/ci.yml
📝 Walkthrough

Walkthrough

The CI workflow now uses AIStor MinIO builds on macOS, Windows, and Alpine. macOS, Windows, and Alpine configure MINIO_LICENSE. Alpine also verifies the downloaded binary checksum and creates /data.

Changes

AIStor MinIO CI setup

Layer / File(s) Summary
Platform-specific MinIO setup
.github/workflows/ci.yml
macOS and Windows download AIStor MinIO builds. All three platforms load aistor-free-license.jwt. Alpine downloads the latest Linux build, verifies its checksum, and creates /data.

Priority: ➖ Normal

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix

Suggested reviewers: jiuker

Merge Risk: 🟡 Moderate · up to 629dd

CI can execute a changed upstream MinIO artifact without a repository-trusted identity check. Pin and verify each platform artifact before merging.

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly describes the main change: updating CI to use the serving Aistor download path for MinIO. It is concise and specific.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.

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A rabbit checks the MinIO trail
With licensed hops through every rail
The Alpine sum is matched just right
macOS and Windows start bright
CI bounces cleanly through the night

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Actionable comments posted: 1

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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
In @.github/workflows/ci.yml:
- Line 132: Update the CI MinIO download steps for macOS, Windows, and Alpine to
use immutable, version-pinned release artifacts instead of mutable release URLs.
Verify each downloaded platform binary against a repository-trusted checksum or
vendor signature, including Alpine, before execution.

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📒 Files selected for processing (1)
  • .github/workflows/ci.yml

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Comment thread .github/workflows/ci.yml Outdated
Moving off the withdrawn download path took two integrity properties with it.
macOS had been installing through the brew formula, which carries a sha256 in
the tap -- a check from a different origin than the binary -- and a direct
download dropped it. Alpine had pinned a release, an artifact whose bytes
cannot change underneath it, and a mutable URL gave that up. Windows never
checked anything.

Nor was the pin what expired: the whole `server/` path went, not one release.
The aistor path publishes the same immutable archives, for every platform CI
builds on, so all four downloads now name a release rather than "latest".

Verification reads the digest from `.github/minio-release.env` instead of
fetching it beside the binary. A checksum served by the origin that serves the
download attests to nothing about that origin; one committed here is something
an attacker would have to change in a reviewed diff. Bumping means editing
that file, where the digests moving is the visible part.

Windows names its artifact minio.exe.RELEASE.<ts>, and macOS has shasum
rather than sha256sum.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
@harshavardhana

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Review feedback addressed

One finding, applied in 08f2ab2.

Downloading CI's server without an integrity check (CWE-494) — valid, and two thirds of it was introduced by this PR. Moving off the withdrawn path dropped the sha256 the brew formula gave macOS, and replaced Alpine's pinned release with a mutable URL. Windows never had a check at all.

All four downloads now name an immutable release archive instead of "latest", and verify against a digest committed in .github/minio-release.env rather than one fetched beside the binary — a checksum from the origin that serves the download cannot attest to that origin.

Files changed: .github/workflows/ci.yml, .github/minio-release.env (new)

Checked: all four recorded digests match the published sums, and the pinned linux-amd64 artifact downloads and verifies end to end. The workflow still parses.

Deferred: none.

Note the PR now does two things — the repair that makes CI green, and the hardening above. Happy to split the second commit into its own PR if you would rather land the repair alone.

@harshavardhana
harshavardhana merged commit fbf7268 into minio:main Sep 14, 2026
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@harshavardhana
harshavardhana deleted the ci/minio-download-aistor-path branch September 14, 2026 22:50
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