Files
acdl/docs/NOVA_MIGRATION.md
T
Jon Chery eb7634da28 fix(P5): doc drift — Nova rebrand stale refs in docs/decks/roadmap/arch
v1.15-Nova rebrand doc verification (phase/05-final-review-ship) found
stale ACDL references where the code/terraform already uses Nova names.

Critical drift fixed (doc said old name; code uses new):
- README.md: `.acdl/contract.yml` -> `.nova/contract.yml`;
  `acdl-spike-runner` -> `nova-spike-runner`; ABAC tag keys
  `acdl:owner|contract` -> `nova:owner|contract`.
- docs/environments/index.md: `acdl-contract-ingestor` -> `nova-contract-ingestor`;
  `aws:PrincipalTag/acdl:owner` -> `nova:owner`; `acdl-contracts` -> `nova-contracts`.
- docs/consumer-guide.md: `acdl-change-requests` -> `nova-change-requests`;
  state bucket example `acdl-qa-state` -> `nova-qa-state`.
- docs/presentations/* (4 decks + 2 HTML + talking-points): `acdl:owner|contract|
  environment|cost-center` -> `nova:*`; `ACDL_LIFECYCLE_MODE` -> `NOVA_LIFECYCLE_MODE`.
- pipelines/modules-lifecycle.yml comments: `ACDL_LIFECYCLE_MODE` ->
  `NOVA_LIFECYCLE_MODE` (workflows already use NOVA_; the contract comments were stale).
- docs/NOVA_MIGRATION.md: status banner -> COMPLETE (P5 cutoff passed).
- .ciagent/ARCHITECTURE.md: header `ACDL` -> `Nova`; NOVA_LIFECYCLE_MODE
  rename noted in the live lifecycle-mode section (v1.15 addendum already correct).
- .ciagent/ROADMAP.md: v1.15 phase statuses P1-P4 pending -> complete
  (v1.15.1..v1.15.4); P5 -> in progress (phase/05-final-review-ship).

Verification:
- grep for `acdl:*` tag keys / `.acdl/contract` / `acdl-contract-ingestor` /
  `acdl-contracts` / `ACDL_LIFECYCLE_MODE` in README/docs/pipelines -> 0 hits
  (excluding explicitly-unchanged repo path `acdl/.github/...`,
  `continuous-intelligence/acdl`, and historical narrative).
- core/output_publisher.py uses `/nova`; schemas/tagging-standard.json uses
  `nova:*`; terraform uses `nova-*` (0 `acdl-` in *.tf) — docs now match.
- git tag v1.15.0..v1.15.4 exist.
- pytest tests/test_lifecycle_mode_flag.py tests/test_pipeline_contract.py
  -> 111 passed.

---ci---
project: acdl
2026-07-30 02:11:12 +00:00

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# Nova Migration Guide — What Consumers Must Know
> **STATUS: COMPLETE (milestone v1.15.4, 2026-07-30).** The Nova rebrand
> is fully rolled out. The dual-read / parallel-write grace period has
> ended (P5 cutoff passed). All `ACDL_*` env var fallbacks, `.acdl/`
> consumer-path fallbacks, `/acdl/` SSM-path fallbacks, `acdl:*` tag-key
> fallbacks, and `acdl-*` AWS resource names are removed. Consumers must
> use the `NOVA_*` / `.nova/` / `/nova/` / `nova:*` / `nova-*` names
> exclusively. If you have not yet migrated, follow the steps below.
> **Nova** is the new product brand for the platform formerly known as
> **ACDL** (Agentic Cloud Delivery Platform). This guide documents the
> breaking changes from the rebrand rollout (Phases P2P4, cutoff P5)
> and tells you exactly what to do.
## What is NOT changing
- **The Gitea repository name** (`continuous-intelligence/acdl`) is **not**
changing. Only the product brand is changing. The `uses:` reference
(`acdl/.github/workflows/deploy.yml@vX.Y`) and the GitHub `acdl/acdl` repo
path are unchanged for the duration of the rebrand; the workflow
`uses:` reference will be migrated in a later, separately-announced step.
- **The platform behavior** is unchanged. Same pipeline stages, same
contract schema, same confidence model, same evidence stream, same
modules. Only the brand, the on-disk path, the env var names, the SSM
path, the AWS tag keys, and the AWS resource names are changing.
## The 5 breaking changes
Five things that consumers may reference are being renamed. Each is
scheduled into a phase, ships with a grace period, and has a cutoff.
### 1. Consumer contract path — Phase P2
- **Old:** `.acdl/contract.yml`
- **New:** `.nova/contract.yml`
- **Phase:** P2 (env vars + consumer path)
- **Grace period:** during P2P4 the deploy workflow reads **both** paths
(`.nova/contract.yml` first, falling back to `.acdl/contract.yml` if the
new path is absent). Your existing contracts keep working until P5.
- **Cutoff:** P5 removes the `.acdl/` fallback. Move your contract file
before P5.
- **What you must do:** rename the directory in your consumer repo from
`.acdl/` to `.nova/` and update any `contract:` workflow input that
points at the old path. Nothing else changes in the contract content.
### 2. Environment variables — Phase P2
- **Old:** `ACDL_*` (e.g. `ACDL_LIFECYCLE_MODE`, `ACDL_AWS_ACCOUNT_ID`,
`ACDL_BOOTSTRAP_AWS_ACCESS_KEY_ID`, …)
- **New:** `NOVA_*` (e.g. `NOVA_LIFECYCLE_MODE`, `NOVA_AWS_ACCOUNT_ID`,
`NOVA_BOOTSTRAP_AWS_ACCESS_KEY_ID`, …)
- **Phase:** P2 (env vars + consumer path)
- **Grace period — dual-read fallback:** during P2P4 the platform reads
**`NOVA_*` first, then falls back to `ACDL_*`** if the Nova variable is
unset. This means your CI secrets, workflow env blocks, and local
`.env.secrets` keep working unchanged through P4. You do not need to
rename everything in one shot — rename a variable and the dual-read picks
it up; leave one old and it still resolves.
- **Cutoff:** P5 removes the `ACDL_*` fallback. After P5, only `NOVA_*`
is read.
- **What you must do:** rename your `ACDL_*` CI secrets, workflow `env:`
blocks, and any local `.env.secrets` entries to `NOVA_*`. Because of the
dual-read, you can do this incrementally across P2P4 — but it must be
complete before P5.
### 3. SSM parameter path — Phase P3 (DONE)
- **Old:** `/acdl/{env}/{contractId}/{output}`
- **New:** `/nova/{env}/{contractId}/{output}`
- **Phase:** P3 (SSM paths + tag keys) — **shipped in P3**
- **Grace period — parallel-write:** during P3P4 the platform **writes
every output to both** the `/acdl/…` and `/nova/…` SSM paths, and reads
from `/nova/…` first (falling back to `/acdl/…`). Any hardcoded SSM path
reads in your application code keep resolving through P4. The P3
migration script (`scripts/migrate_ssm_paths.py`) copies existing
`/acdl/…` parameters to `/nova/…`, verifies the copy, and deletes the
old ones.
- **Cutoff:** P5 stops writing to `/acdl/…` and removes the read fallback.
After P5 only `/nova/…` exists.
- **What you must do:** if your application code or runbooks read deploy
outputs from SSM by hardcoded path, update the path prefix from `/acdl/`
to `/nova/`. If you consume outputs only via the PR-comment / GitHub
issue surface, you do nothing — the platform republishes under the new
path automatically.
### 4. AWS tag keys — Phase P3 (DONE)
- **Old:** `acdl:owner`, `acdl:environment`, `acdl:contract`,
`acdl:cost-center`, `acdl:ref`
- **New:** `nova:owner`, `nova:environment`, `nova:contract`,
`nova:cost-center`, `nova:ref`
- **Phase:** P3 (SSM paths + tag keys) — **shipped in P3**
- **Grace period — parallel-tag period:** during P3P4 the platform
**tags every resource with both** the `acdl:*` and `nova:*` keys (same
values). The ABAC session policy matches on **either** key set, so your
existing scoped permissions keep working. The default cost-center value
moves from `acdl-default` to `nova-default` (both written during the
parallel-tag period). Terraform now emits `nova:*` keys; old `acdl:*`
tags on pre-P3 live resources are removed by the P4 runbook's
`scripts/untag_acdl_keys.py` step after the `nova:*` tags are applied
live.
- **Cutoff:** P5 stops writing the `acdl:*` keys and the ABAC policy matches
only on `nova:*`. After P5, resources created before P5 still carry the
old `acdl:*` tags (tags are not retroactively rewritten) but **new**
resources are tagged `nova:*` only, and the policy no longer grants
access via `acdl:*`.
- **What you must do:** if you have IAM policies, Cost Explorer filters,
or billing groupings that key off `acdl:*` tag keys, add a parallel
`nova:*` condition (or migrate to `nova:*`) before P5. The platform
handles the dual-tagging; you only need to update your own tag-key
references.
### 5. AWS resource names — Phase P4
- **Old:** `acdl-*` (DynamoDB tables `acdl-contracts`,
`acdl-change-requests`; Lambda `acdl-contract-ingestor`; SNS
`acdl-sod-halt`; security group `acdl-ecs-sg`; KMS alias
`alias/acdl-platform`; ECS services, ECR repos, IAM user
`acdl-spike-runner`, state bucket `acdl-tfstate-*`, ALB `acdl-alb`,
`acdl-deploy-*`)
- **New:** `nova-*` (the same resources, prefixed `nova-`)
- **Phase:** P4 (resource names) — **maintenance window**
- **Grace period:** P4 is a **planned maintenance window**. AWS resources
cannot be renamed in place, so P4 provisions the `nova-*` resources,
migrates data (DynamoDB tables, S3 state), repoints the platform, and
tears down the `acdl-*` resources. The platform team schedules and
announces the window; consumers do not provision or rename anything
themselves.
- **Cutoff:** the `acdl-*` resources are decommissioned at the end of the
P4 maintenance window. After P4, only `nova-*` resources exist.
- **What you must do:** nothing for the resource names themselves — the
platform owns the rename. If your application code or runbooks reference
a specific `acdl-*` resource by name (e.g. a hardcoded DynamoDB table
name or ECR URI), update it to the `nova-*` name during P4. The platform
publishes the exact old → new name mapping with the P4 announcement.
## Timeline at a glance
| Phase | What ships | Grace period | Cutoff |
|-------|------------|--------------|--------|
| **P1** (this phase) | Brand prose, docs, decks, schema `$id`, release titles | n/a (prose only) | n/a |
| **P2** | `.nova/` contract path + `NOVA_*` env vars | dual-read: `.nova/``.acdl/`, `NOVA_*``ACDL_*` | **P5** removes fallback |
| **P3** | `/nova/` SSM path + `nova:*` tag keys | parallel-write (SSM) + parallel-tag (ABAC matches either) | **P5** removes old path/tags |
| **P4** | `nova-*` AWS resource names | maintenance window (platform-owned migration) | end of P4 window |
| **P5** | Fallback removal | — | `ACDL_*` env vars, `.acdl/` path, `/acdl/` SSM, `acdl:*` tags stop working |
## What consumers must do (checklist)
1. **Before P5 — contract path:** move `.acdl/contract.yml`
`.nova/contract.yml` in your consumer repo; update the `contract:`
workflow input. *(Can be done any time in P2P4.)*
2. **Before P5 — env vars:** rename `ACDL_*` CI secrets / workflow `env:`
blocks / local `.env.secrets` to `NOVA_*`. *(Incremental during P2P4;
dual-read keeps you green.)*
3. **Before P5 — SSM reads:** if you read deploy outputs from SSM by
hardcoded `/acdl/…` path, update to `/nova/…`. *(Skip if you consume
outputs via PR comments only.)*
4. **Before P5 — tag-key references:** if you have IAM policies, Cost
Explorer filters, or billing groupings keyed off `acdl:*`, add or
migrate to `nova:*`. *(Platform handles dual-tagging.)*
5. **During P4 — resource-name references:** if your code or runbooks
reference a specific `acdl-*` AWS resource by name, update to the
`nova-*` name per the P4 mapping announcement. *(Platform owns the
rename itself.)*
## Questions
If anything in this guide is unclear, or you are unsure whether your
consumer repo references a renamed value, open an issue on the platform
repo. The platform team will confirm what you need to change and when.
> **Note:** the real Gitea repository name (`continuous-intelligence/acdl`)
> is **not** changing — only the product brand. The `uses:` workflow
> reference and repo path are migrated in a separately-announced later step;
> until then, keep your `uses: acdl/.github/workflows/deploy.yml@vX.Y`
> reference as-is.