docs(curriculum): define the ROOT_ program architecture
13 courses (ROOT 01-12 + Capstone) under the existing single root-kubernetes-foundations program — root_ is one continuous ladder a student enrolls in once, not thirteen separate purchases. Honest READY/PARTIAL/PLANNED states grounded in the actual inventory: no course reaches READY yet, 5 are fully PLANNED (no Linux/Git/Docker/DevOps scenario content exists anywhere in this repo), 7 are PARTIAL (real labs, no lessons yet). Documents the prerequisite graph and why it deviates from a strictly linear 01->12 chain where the existing content doesn't actually support one. Co-Authored-By: Claude Sonnet 5 <[email protected]>
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Claude Sonnet 5
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# ROOT_ Program Architecture
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Phase 6A §2 — the canonical course architecture for `root_` (Linux → systems → containers →
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Kubernetes → DevOps/platform engineering, ages ~15-18+/college/adult per the youth ladder — see
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`docs/PHASE6A_ROOT_COURSE_FOUNDATION.md` §1). This document is the design; the actual seed data
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lives in `platform/api/migrations/022_course_content.sql`, generated to match this exactly.
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All 13 rows below are `courses` under the ONE existing program, `root-kubernetes-foundations`
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(`programs` table, unchanged — see §"why one program, not thirteen" below). Every status claim
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here is grounded in `docs/ROOT_CURRICULUM_INVENTORY.md`, not aspirational.
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## Course sequence
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| # | Course | Status | Why |
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|---|---|---|---|
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| 1 | Computing & Linux Foundations | **PLANNED** | No lab content exists in this repository — every scenario is Kubernetes/CKS. |
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| 2 | Linux Administration & Networking | **PLANNED** | Same — no Linux-admin scenario content exists. |
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| 3 | Git & Collaborative Development | **PLANNED** | No Git scenario content exists. |
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| 4 | Containers & Docker | **PLANNED** | No Docker-specific scenario content exists (the Lab itself runs k3s, but no student-facing "learn Docker" scenarios exist). |
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| 5 | Kubernetes Foundations | **PARTIAL** | Real content: the existing "Foundation" stage's 20 scenarios, wrapped as one module (`root-05-m01-pods-and-kubectl-basics`). No teaching lesson content authored yet — bare labs only. |
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| 6 | Kubernetes Application Workloads | **PARTIAL** | The existing "Workloads" stage's 8 scenarios, one module. Bare labs only. |
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| 7 | Kubernetes Networking & Configuration | **PARTIAL** | The existing "Networking" (2) and "Configuration" (5) stages, two modules. Bare labs only. |
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| 8 | Kubernetes Storage & Scheduling | **PLANNED** | Real scenario content exists (PV/PVC, StorageClass, taints/tolerations, PDB — see inventory §5) but is not yet wired into a module. Deliberately left PLANNED rather than fabricating a module shell with no honest content behind it — Phase 6B. |
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| 9 | Kubernetes Security | **PLANNED** | A substantial 22-scenario CKS-style bank exists (RBAC, PSA, network policy, supply chain, runtime hardening) but is not yet wired into a module — Phase 6B. |
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| 10 | Kubernetes Troubleshooting & Observability | **PARTIAL** | Contains the Phase 6A gold-standard module (READY) plus the existing "Troubleshooting" stage's remaining 5 scenarios as a second, bare-lab module. |
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| 11 | DevOps & Platform Engineering Foundations | **PLANNED** | No CI/CD/IaC/GitOps scenario content exists anywhere in this repository. |
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| 12 | RootNode Real Ops | **PARTIAL** | The existing "RootNode: Real Ops" stage's 4 scenarios (3 RootNode-authored + 1 generic), one module. Bare labs, no teaching content — the gold module already gives one of these four (`rootnode-probe-port-mismatch`) a full teaching treatment elsewhere; this module exercises it again alongside the other three, deliberately (see module notes below). |
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| 13 | ROOT Capstone — Operate and Recover a Production-Like Environment | **PARTIAL** | The existing, fully working `rootnode-capstone` assessment (90 min, mixed required/random pool). No capstone orientation/briefing lesson authored yet. |
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No course is marked READY at the course level in Phase 6A — that's honest: a course only earns
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READY once every module in it has real teaching content, and Phase 6A deliberately built exactly
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one complete module (the gold standard) as the authoring template, not a finished curriculum.
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## Prerequisite chain
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```
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01 Linux Foundations → 02 Linux Admin/Networking → 03 Git → 04 Containers/Docker
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│
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▼
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05 Kubernetes Foundations
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│
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▼
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06 Application Workloads
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│ │
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┌─────────────────────┤ │
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▼ ▼ ▼
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07 Networking/Config 09 Security 10 Troubleshooting
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│ │ │
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▼ │ ▼
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08 Storage/Scheduling │ 11 DevOps/Platform
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▼
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12 RootNode Real Ops
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│
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▼
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CAPSTONE — Operate & Recover
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```
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01-04 have no prerequisite chain enforced against each other yet (all PLANNED, zero content —
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locking a PLANNED course behind another PLANNED course would just be decorative). 05 is the
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first course with a real prerequisite gate. See `docs/COURSE_CONTENT_MODEL.md`'s "prerequisite/
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locking rule" for why a PLANNED/content-free prerequisite never actually blocks anything.
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## Deviations from the spec's suggested sequence, and why
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The authorization's suggested sequence listed Security (09) after Storage/Scheduling (08) and
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before Troubleshooting (10). This document keeps that numbering for continuity, but the
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**prerequisite graph** branches 09 and 10 both directly off 06 (Application Workloads) rather
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than chaining 08→09→10 linearly — the existing content doesn't actually build 09 on top of 08's
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concepts (RBAC/PSA/network-policy security content is orthogonal to PV/PVC/scheduling content),
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so a straight linear chain would impose a false dependency. This is exactly the case the
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authorization's "if existing content suggests a better grouping, document the reasoning" line
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anticipated.
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## Real Ops and Capstone placement
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Real Ops (12) sits after Troubleshooting (10), matching the existing curriculum's own stage
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order (`rootnode-path.json`'s `real-ops` stage already comes after `troubleshooting`) — Real Ops
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scenarios assume the diagnostic skills Troubleshooting teaches. The Capstone sits after Real Ops
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alone, not after every course, because that's what the existing `rootnode-capstone` assessment
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definition's own `unlock_rule` already requires (all 6 content stages of `rootnode-path.json`
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complete — which necessarily includes 05-06-07-10-12's underlying scenarios, plus networking/
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configuration). 08, 09, and 11 are not currently gating the capstone, because their scenario
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content isn't part of `rootnode-path.json`'s stage list at all yet — see
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`docs/COURSE_CONTENT_MODEL.md` for how course-level completion is computed independently of that
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assessment-engine unlock_rule (the two systems currently agree by construction, not by a shared
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implementation).
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## Why one program, not thirteen
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`programs` (Phase 5B) models the commercial/academic unit a student enrolls in. root_ is
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described by this authorization as one continuous ladder — "Linux → systems → containers →
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Kubernetes → DevOps/platform engineering" — not thirteen separate purchases. Attaching all 13
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courses to the single existing `root-kubernetes-foundations` program means:
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- Zero changes to the `programs` table, enrollment model, or entitlement logic — an enrolled
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student automatically has structured access to the whole ladder as it's built out.
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- No renaming/redefinition of the existing program (which would risk a real, if cosmetic, break
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for anyone already enrolled) — see Phase 6A's explicit "do not redesign working systems"
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constraint.
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If a future phase needs `root_` split into separately-purchasable programs (e.g. "Kubernetes
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Foundations" sold standalone from "DevOps"), that's a `programs`-table decision to make
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deliberately later, informed by real pricing/business requirements — not something to guess at
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here.
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