docs: add Secure Software Development Lifecycle policy - #3033
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Erik Osterman (Cloud Posse) (osterman) wants to merge 9 commits into
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📝 WalkthroughWalkthroughAdds ChangesSecure software development lifecycle
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🔵 Low · up to This documentation change may overstate runner isolation and contains conflicting statements about release attestations, creating a bounded risk of inaccurate security and compliance guidance. It is mergeable with explicit owner awareness and follow-up to correct these claims. Suggested labels: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation 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 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@docs/SSDLC.md`:
- Around line 100-106: Update the release-output list in Section 6 to
distinguish configured or intended outputs from artifacts currently unavailable
because sign-and-attest-release fails on linux/386 and linux/arm, including
signing, SBOM, provenance, and native-package outputs. Add this known release
failure to Section 12 using the document’s existing incident or limitation
format.
- Around line 98-99: Add the protected release environment declaration to the
sign-and-attest-release job so its release.published workflow is subject to the
documented main-only deployment-branch policy; otherwise revise the
documentation to match the actual gating behavior.
- Line 16: Revise the public-verifiability statement in SSDLC documentation to
limit repository evidence to controls demonstrable in the codebase. Update
Sections 5, 6, and 9 to distinguish repository-verifiable controls from
organization- or environment-level controls requiring administrator evidence,
including release policies, ruleset bypass lists, MFA/SSO settings, and the
RunsOn AWS account.
- Around line 114-115: Update the SSDLC checksum statement to remove the claim
that every fetch is verified against sum.golang.org; describe only verification
using committed go.sum hashes, unless the documented CI configuration explicitly
enforces GOSUMDB.
- Line 107: Update the release-binaries FIPS documentation to state that
releases use GOFIPS140=latest, which embeds DefaultGODEBUG=fips140=on, and
explicitly state that fips140=only is not used.
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Inline comments:
In `@docs/SSDLC.md`:
- Line 110: Update the retention statement in Section 12 around the
release-artifact and Rekor records to reflect that attestations are retained
only when successfully produced, or explicitly describe the retention as an
intended future state. Ensure the policy does not claim unavailable attestations
are currently retained.
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #3033 +/- ##
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- Coverage 83.63% 83.62% -0.01%
==========================================
Files 1941 1941
Lines 189744 189778 +34
==========================================
+ Hits 158685 158707 +22
- Misses 23138 23152 +14
+ Partials 7921 7919 -2
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Inline comments:
In `@docs/SSDLC.md`:
- Line 142: Update the runner-isolation statement near the description of
ephemeral GitHub-hosted and RunsOn runners to limit its claim to local runner
state; do not imply that caches, artifacts, or external services cannot carry
state between jobs.
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Andriy Knysh (aknysh)
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Documents the development, review, build, and release process for the Atmos CLI, with an explicit split between blocking and advisory gates and a mapping to NIST SP 800-218 (SSDF) practices. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
The `release` deployment environment is declared by shared-go-auto-release.yml's `environment` input, which defaults to 'release'; test.yml calls it without overriding, so it applies to the GoReleaser build stage. feature-release.yml passes 'feature-releases' explicitly, and the two environments hold different GitHub Apps. Moves the claim from the post-publication signing job (which declares no environment, and needs none — it signs keyless via OIDC with the ephemeral workflow token) to the build stage, narrows the branch policy to what is actually configured (main, version tags, release/**), and states the credential-separation property. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
- Scope the public-verifiability claim in Section 1. Repository-visible controls and organization/environment-level controls are now stated as separate classes; the latter require organization-settings evidence. - Mark Section 6's release outputs as configured, and record that they are not reaching published releases while sign-and-attest-release fails cross-compiling for linux/386 and linux/arm. Added to Section 12. - State the FIPS build settings precisely: GOFIPS140=latest embeds DefaultGODEBUG=fips140=on; fips140=only is not used. - Correct the checksum-database claim. go.sum verification is local on every build; sum.golang.org is consulted when a module version is not already pinned, not on every fetch. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
The linux/386 and linux/arm cross-compile failure blocks the release from being cut at all, so it cannot coexist with a release this document describes. It is a bug to fix before the next release, not a property of the lifecycle, and a policy document that names it goes stale the moment it is fixed. Removed the status note in Section 6 and the Section 12 limitation. The scope, FIPS, and checksum corrections from the previous commit stand. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
Validation (affected) failed with 7 errors: "Wrong amount of left-padding spaces (want multiple of 2)" on the sub-bullets under Section 6 item 6. .editorconfig sets indent_size = 2 for *.md, but a nested list under an ordered item needs 3 spaces to reach the content column, so the two rules cannot both be satisfied while the list is nested. Lifted the release-artifact list out of the ordered list to column 0 instead of re-indenting it. Nothing nests, both rules hold, and the content is unchanged. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
- Link security@cloudposse.com as a mailto:. - Link the published security policy URL. - Correct the runner description: CI runs on a hybrid of GitHub-hosted runners and self-hosted runners provisioned through RunsOn in a dedicated AWS automation account, not RunsOn alone. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
Egress monitoring runs in audit mode on GitHub-hosted jobs only. StepSecurity's free open-source tier does not extend to self-hosted runners, so the RunsOn half of the hybrid is outside that coverage. Stated with the reason attached: this is a vendor licensing boundary, not a configuration choice, which is the question an assessor asks next once they notice the hybrid described in Section 9. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
"No state carries between jobs" was wrong. Ephemeral runners prevent local runner state from surviving a job; they say nothing about the dependency cache or workflow artifacts, both of which deliberately cross jobs. Overstating this in a security policy would misdescribe the cache-poisoning surface. Section 9 now limits the claim to local runner state, names the two channels that do carry state, and states the control that applies to them: repository scoping plus GitHub's cache isolation, under which a pull-request branch cannot write to the base branch's cache. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
The previous wording named only the base-branch case and understated the property. A workflow can write only to its own branch's cache scope, so a pull request can poison neither the cache used by main nor the cache of any other pull request. Stated affirmatively. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
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what
docs/SSDLC.md, a written Secure Software Development Lifecycle policy for the Atmos CLI.main), the release process (release-drafter resolves the version and changelog from PR labels; GoReleaser builds in the protectedreleaseenvironment; a maintainer publishes the draft; a keyless signing and attestation pipeline runs on publication), branch and tag protection, third-party component handling, vulnerability management, and secrets controls.why
what reviewers should check closely
Accuracy matters more than completeness here — every claim in this file is something an external assessor can try to disprove.
informational: trueincodecov.yml, so it is stated as a target, not a gate.releaseenvironment's deployment-branch policy admitsmain, version tags, andrelease/**, and holds the release App private key and the GPG key — so a feature branch cannot obtain them even if the workflow file on that branch is edited. Step 4 states that the post-publication signing job holds no key material, which is why it needs no environment.go.sumverification (local, every build) from checksum-database verification (sum.golang.org, when a module version is not already pinned). An earlier draft claimed the checksum database is consulted on every fetch, which is wrong.references
.goreleaser.yml,.github/workflows/build.yml,.github/workflows/test.yml,codecov.yml,.github/CODEOWNERScloudposse/.github→.github/workflows/shared-go-auto-release.yml(theenvironmentinput defaulting torelease)docs/prd/native-goreleaser-release-pipeline.md🤖 Generated with Claude Code
https://claude.ai/code/session_01Uaxw8BszrDDBNmyFTcDrTx
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