myasnikovdaniil f0e0cec64c ci: harden GitHub Actions workflows for OpenSSF Scorecard (pin, permissions, zizmor gate) (#3223)
## What this PR does

Restores the two OpenSSF Scorecard checks that dropped the aggregate
score below our target, and adds a durable gate so they cannot silently
regress again.

**Root cause.** 15 of 17 workflows already declare a read-only top-level
token and pin their actions by SHA. Two did not — `build-main.yaml` and
`ui-test.yaml` (the latter added by the in-tree console move) — and that
was enough to zero out two checks:

- **Token-Permissions** is scored on the weakest workflow, so a single
workflow with an undeclared (default-write) top-level token drops the
whole check to `0`.
- **Pinned-Dependencies** counted the six tag-pinned action refs as
unpinned.

**Fixes**

- `build-main.yaml`, `ui-test.yaml`: add a top-level read-only
`permissions` block (job-level `packages: write` kept where the build
cache needs it) and pin every action to the SHA already used elsewhere
in the tree.
- `.github/zizmor.yml` + `.github/workflows/zizmor.yml` +
`.pre-commit-config.yaml`: add [zizmor](https://docs.zizmor.sh/) as a
gate. It runs on the PR diff (pre-commit) and tree-wide on every
workflow-touching PR, failing on any reintroduced unpinned action or
missing/overly-broad permissions block. Scope is intentionally limited
to the two Scorecard-relevant audits (`unpinned-uses`,
`excessive-permissions`), which are clean tree-wide as of this PR; the
remaining audits carry pre-existing debt and are disabled with a
documented TODO to burn them down and re-enable one at a time.
- `scorecard.yml`: wire an optional `SCORECARD_TOKEN` secret. The
default `GITHUB_TOKEN` cannot read branch-protection settings, so the
Branch-Protection check is currently scored on partial data. The token
is a no-op until the secret is added by a maintainer.
- `internal/fluxshardoperator/config_fuzz_test.go`: native Go fuzz
targets for the shard config parsers (round-trip and range invariants,
not just no-panic), giving the Scorecard Fuzzing check a real signal on
a hot-path parser.

**Verification**

- `zizmor --offline .github/workflows/` → *No findings to report* (gate
green).
- `go test ./internal/fluxshardoperator/ -run '^Fuzz'` passes; a 15s
live fuzz of `FuzzParsePinnedTenants` ran 10.5k execs with no crashers.

Follow-ups (tracked separately, not in this PR): merge Renovate's
digest-pinning PRs to lift Pinned-Dependencies further, tighten branch
protection on `main` and release branches, upgrade the OpenSSF Best
Practices badge, and sign releases.

### Release note

```release-note
ci: pin GitHub Actions by SHA and scope workflow token permissions to restore the OpenSSF Scorecard Token-Permissions and Pinned-Dependencies checks, and add a zizmor gate (pre-commit + PR workflow) that blocks future regressions
```


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Added automated security scanning for workflow changes via a dedicated
CI workflow, along with a matching pre-commit hook.
* **Bug Fixes**
* Hardened CI workflows with workflow-level read-only token permissions
and pinned GitHub Action versions for more reliable execution.
* Improved OpenSSF Scorecard configuration to better handle
branch-protection checks when a token secret is available.
* **Tests**
* Added Go fuzz tests to ensure shard parsing/formatting remains
non-panicking and preserves round-trip/contract behavior.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-07-08 09:35:36 +05:00
2025-10-08 09:43:34 +05:00
2025-04-01 18:48:14 +02:00
2024-02-08 12:04:32 +01:00

Cozystack Cozystack

Open Source Apache-2.0 License Support Active GitHub Release GitHub Commit OpenSSF Best Practices

Cozystack

Cozystack is a free platform and framework for building clouds.

Cozystack is a CNCF Sandbox Level Project that was originally built and sponsored by Ænix.

With Cozystack, you can transform a bunch of servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Database-as-a-Service, virtual machines, load balancers, HTTP caching services, and other services with ease.

Use Cozystack to build your own cloud or provide a cost-effective development environment.

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