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acdl/modules/l1/iam-role/README.md
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Jon Chery 553caf8f1d docs(P21): rewrite README + normalize modules terminology (REQ-52,55,56,57,58,59,60)
---ci---
project: acdl
phase: 21
milestone: v1.6
status: execute
---/ci---

README.md rewrite:
- Remove all .ciagent/ references (links + repository-layout row).
- Remove .gitea/workflows/ row from repository layout.
- Restate repository roles: consumer repo = app code + 1+ contracts +
  CI definitions (thin .github/workflows/*.yml uses:-ing the central
  workflow); platform repo owns modules/adapters/core/schemas/pipelines/
  scripts/workflows.
- Replace Status section with Features list (consumer + platform-engineer
  referenceable) + Roadmap (planned only, no version changelog, no
  internal CIAgent status). Includes the composition-redesign roadmap
  entry (dynamic module creation from a contract).
- Fix the mermaid flowchart: all node text visible (short multi-line
  labels via <br/>), add a security-checks stage before policy checks,
  do not name specific tools (security checks/policy checks/infrastructure
  plan via adapter), add infrastructure-apply stage (dev only, after
  evidence event).
- Remove the environments table (dev/qa/prod/dr) completely; point to
  docs/environments/ for platform-managed environments.
- Credentials section: remove go-gitea/gitea#36988 blocked mention +
  waivers D-039/D-047 language. State OIDC+ABAC default; alternative is a
  static AWS key (GitHub Secrets for platform-runner runs, .env.secrets
  locally) with daily rotation (platform-managed) or out-of-band rotation
  (consumer-managed for local .env.secrets).
- forge -> platform runners / platform-managed throughout.
- Links point to docs/ Pages paths, not .ciagent/.

modules/ terminology:
- modules/README.md: L1 primitives -> primitives, L2 compositions ->
  modules, composition -> pattern (prose); add roadmap note for the
  composition redesign.
- README-TEMPLATE.md: L1 primitive -> primitive.
- All 7 L1 READMEs: L1 primitive -> primitive.
- L2 static-asset + microservice READMEs: L2 composition -> module
  pattern, composition -> pattern, L1 -> primitive; bump stale @v1 ->
  @v1.4 in usage examples; fix CONSUMER_GUIDE.md -> consumer-guide.md
  link.

Verification: grep sweeps for .ciagent/.gitea/forge/go-gitea/waiver/
D-039/D-047/acdl_platform in docs/ README.md modules/ contracts/ all
return 0 hits. Tests: 166 pass. run_ci.sh green.
2026-07-22 18:26:00 +00:00

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Markdown

# iam-role — IAM role
> **Module kind:** primitive | **Version:** 1.0.0
A single IAM role with an assume-role policy and optional managed
policy attachments. Used as the ECS task execution role.
## Resources
| Resource | Type | Purpose |
|----------|------|---------|
| role | `aws_iam_role` | The IAM role with assume-role policy |
## Inputs
| Name | Type | Required | Default | Description |
|------|------|----------|---------|-------------|
| `role_name` | string | yes | — | The IAM role name |
| `assume_role_policy` | string | yes | — | Assume-role policy document (JSON string) |
| `managed_policies` | string | no | — | Comma-separated list of managed policy ARNs to attach |
| `region` | string | yes | — | AWS region the role is created in |
## Outputs
| Name | Type | Description |
|------|------|-------------|
| `role_arn` | arn | The IAM role ARN |
| `role_id` | string | The IAM role id |
## Usage
```json
{
"id": "roles",
"type": "aws:iam:role",
"module": "iam-role@1.0.0",
"inputs": {
"role_name": "acdl-microservice-exec",
"assume_role_policy": "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"Service\":\"ecs-tasks.amazonaws.com\"},\"Action\":\"sts:AssumeRole\"}]}",
"managed_policies": "arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy",
"region": "us-east-1"
}
}
```
The `assume_role_policy` is a JSON string — the adapter jsonencodes it
into the Terraform `assume_role_policy` argument. The
`managed_policies` input is a comma-separated list of ARNs, emitted as
`managed_policy_arns = [...]`.
## Compliance extension points
- **Permissions boundary** — add `permissions_boundary` to enforce least-privilege guardrails (SOC2 CC6.1, SOX ITGC, DORA ICT access control).
- **Inline policy** — add `aws_iam_role_policy` for fine-grained least-privilege instead of broad managed policies (SOC2 CC6.1, HIPAA §164.308(a)(4)).
- **MFA conditions** — add `condition` blocks requiring MFA for assume-role (SOC2 CC6.1, HIPAA §164.312(d)).
- **Source IP / region conditions** — add `aws:SourceIp` / `aws:RequestedRegion` conditions for data residency enforcement (GDPR Art.44-49, DORA ICT third-party risk).
- **Access Analyzer** — add `aws_accessanalyzer_analyzer` to verify least-privilege (SOC2 CC6.1, GDPR Art.32).
- **Role separation** — add a separate task role vs. execution role (SOC2 CC6.3 segregation of duties).
## Versioning
`1.0.0` — interface MAJOR, behavior MINOR, lifecycle PATCH. MAJOR bumps
require a new registry entry (immutable publication); old entries enter
a 12-month deprecation window.