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James Russo
62ddd29b74
* feat(cli): add hyperframes lambda policies role/user/validate
IAM bootstrap subcommand for the lambda CLI. Closes the "first run hits
'User is not authorized to perform iam:CreateRole'" gap that adopters
otherwise have to figure out by hand.
hyperframes lambda policies user
→ prints an inline-policy doc to attach to the IAM user that runs
the CLI
hyperframes lambda policies role --principal=cloudformation
→ prints { TrustRelationship, InlinePolicy } for a service role
cloudformation can assume
hyperframes lambda policies validate ./infra/policy.json
→ diffs a checked-in policy against the CLI's required action set,
expanding s3:* / s3:Get* / * wildcards, exits non-zero on missing
actions (wire it into CI to catch drift before deploys fail)
The required-actions list is derived from what the SAM template at
examples/aws-lambda/template.yaml needs to create plus what
renderToLambda/getRenderProgress call against S3 + Step Functions at
runtime. Sorted alphabetically per-service so diffs stay readable.
Resource is "*" by design — CloudFormation creates new function /
state-machine / bucket ARNs on every adopter's first deploy. The
generated policy is documented as a starting point; adopters with
stricter postures narrow Resource to the deployed ARNs after the
first successful run.
Tests: 10 unit tests covering the action set, doc shape, trust policy
service principal, and validate() against valid / missing / wildcard /
single-Statement / Deny-statement inputs.
* refactor(cli): /simplify pass on lambda policies
Adds a typed TrustPolicyDocument / TrustPolicyStatement pair so
buildRoleTrustPolicy can return a real type instead of unknown. The
trust-policy shape has a Principal field that the generic
PolicyStatement doesn't model, but it was previously punted via a
return unknown rather than a parallel type.
Test cleanup: drop the `as {...}` casts that the previous return-
unknown signature forced.
* fix(cli): address PR review on lambda policies
One blocker + four importants from Vai's review:
- REQUIRED_ACTIONS was missing `s3:ListAllMyBuckets` (called by
`sam deploy --resolve-s3` on first run to discover/create the
`aws-sam-cli-managed-default-*` artifact bucket) and
`cloudformation:ValidateTemplate` (CFN template validation
during change-set creation). Without these, a first-deploy
adopter with the generated policy hits AccessDenied on the
very call the PR was meant to unblock. Added both.
- `policies role --principal=lambda` was a footgun — it produced
a `lambda.amazonaws.com` trust paired with the full deploy
superset, i.e. a confusingly-overscoped Lambda execution role
no human should attach (the SAM template creates its own
scoped execution role automatically). Dropped `lambda` as a
principal option; `policies role` now always emits a
CloudFormation service-role doc.
- `validatePolicy` silently misreported NotAction/NotResource
statements (treating them as zero grants), producing false
negatives. Detect both shapes and surface them via a new
`warnings: string[]` field; NotAction statements are skipped
(rather than producing a false negative), NotResource is
treated as full action grant + a warning.
- Mid-string wildcards (`s3:Get*Object`, `?`) silently failed
the matcher. End-anchored wildcards still work; mid-string
patterns now warn so users know the validator can't expand
them.
- Dropped the dead `samArtifactBucket` action group (fully
subsumed by `s3Bucket` + `s3Object`).
- `validate --json` now wraps errors in a friendly envelope
(`{ ok: false, error: "..." }`) so CI consumers have one
parse shape regardless of failure mode.
- lambda.ts subcommand description and examples updated to
include `policies`.
Tests: 5 new negative-path tests cover NotAction warning,
NotResource warning, mid-string wildcard warning, missing file
(ENOENT), malformed JSON (SyntaxError), and absent Statement
field. All 21 policies tests pass.