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docs: update STATUS and JOURNAL for ISO build verification session

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Session 10 results: demo ISO built (825MB) and boot-verified to login
prompt via serial console in QEMU VM. STATUS updated from "ready to
build" to "built and boot-verified." JOURNAL entry documents the full
session: reproducible setup script, Dockerfile pin refresh, QEMU/TPM
fallback work, and ISO boot verification with key lessons.

💘 Generated with Crush

Assisted-by: GLM-4.7 via Crush <crush@charm.land>
This commit is contained in:
mrcharles
2026-07-30 15:31:20 -05:00
parent 7ac52a09dc
commit 2fba92d8b3
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JOURNAL.md
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---
## Entry 2026-07-30 (Session 10): Reproducible Dev Environment + ISO Build Verification
### Context
Fresh clone on a new dev machine. No working dev environment — Docker image pins had
rotted (Debian security updates made 8 pinned versions unavailable), no VM tooling
installed, no git hooks. Goal: restore full working environment reproducibly and verify
the ISO actually boots.
### Changes
**Reproducible setup script (`scripts/setup-dev-environment.sh`):**
- New idempotent script that sets up the entire dev environment from a fresh clone
- Installs Docker, builds dev image, configures git hooks, creates working dirs
- Installs VM tooling (libvirt/qemu/ovmf/swtpm) by default; `--skip-vm` to opt out
- Runs smoke test (lint + unit tests) and prints status summary
- AGENTS.md mandatory first-actions now points at this script
**Dockerfile pin refresh (fix: broken build on fresh clone):**
- curl 8.14.1-2+deb13u2 -> deb13u4
- grub-pc-bin / grub-efi-amd64-bin / grub-efi-ia32-bin 2.12-9+deb13u1 -> deb13u2
- shim-signed 1.47+15.8-1 -> 1.51~1+deb13u1+16.1-2~deb13u1
- systemd-boot-efi 257.9-1~deb13u1 -> 257.13-1~deb13u1
- gpg / gpg-agent 2.4.7-21+deb13u1+b2 -> +b4
- Lesson: apt-pinned versions rot as Debian ships security updates. Consider CI check.
**VM testing QEMU fallback (`run.sh` + `vm/template.xml`):**
- VM template: hardcoded `type='kvm'` + `cpu mode='host-passthrough'` replaced with
`@DOMAIN_TYPE@` and `@CPU_ELEMENT@` placeholders
- run.sh: detects `/dev/kvm` at runtime; falls back to `type='qemu'` + `qemu64` CPU
model when KVM unavailable (nested VMs, CI, containers)
- TPM retry: if VM start fails with swtpm, retries without TPM (not needed for boot test)
- 6 new unit tests covering placeholder existence, KVM detection, substitution logic
**ISO build + boot verification:**
- Built demo ISO: `output/knel-football-secure.iso` (825MB, demo mode, serial console)
- Booted in QEMU VM (no KVM available — parent hypervisor doesn't expose VT-x)
- Serial console captured: kernel boot, systemd init, live-config, reached login prompt
- Login prompt confirmed: `Debian GNU/Linux 13 debian ttyS0` / `debian login:`
### Key Lessons
1. **Apt version pins rot** — pinned versions disappear from archives after security
updates. Rotted pins completely broke the build on a fresh clone months later.
2. **QEMU TCG emulation works for boot testing** — ~10x slower but gets the job done
when KVM isn't available. VM reached login prompt after ~30 min CPU time.
3. **Nested virt requires parent-level config** — `kvm_intel` returns I/O error if the
parent hypervisor doesn't expose VT-x. Cannot fix from inside the guest VM.
4. **swtpm setup can fail silently** — the permission fix script + qemu.conf config
help, but swtpm_setup can still fail for other reasons. TPM retry in vm_create()
makes boot testing resilient.
5. **Serial console needs pseudo-TTY** — `virsh console` requires a real/pseudo TTY
(`script` command works); direct `cat` of the PTY device gets permission denied.
---
## Entry 2026-05-08 (Session 9): Host FDE Removal + Final Partials Fix
### Context
STATUS.md
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# KNEL-Football Project Status Report
> **Last Updated**: 2026-05-08 (Session 9 - Remove host FDE, fix remaining partials)
> **Last Updated**: 2026-07-30 (Session 10 - ISO built and verified)
> **Maintained By**: AI Agent (Crush)
> **Purpose**: Quick-glance status for project manager
---
## Current Status: 🔧 ALL TECHNICAL FIXES APPLIED — READY FOR ISO BUILD
## Current Status: ✅ ISO BUILT AND BOOT-VERIFIED
### Executive Summary
All 39 findings from DeepReport-2026-05-08.md have been addressed.
Host FDE requirement removed — only guest (ISO) FDE is required.
ISO is ready to build: `./run.sh iso`
Demo ISO built successfully (825MB) and verified booting to login prompt in QEMU VM.
Reproducible dev environment setup script added (`scripts/setup-dev-environment.sh`).
VM testing tooling now supports QEMU fallback when KVM is unavailable.
### Build & Verification Results (Session 10)
- **ISO**: `output/knel-football-secure.iso` (825MB, demo mode)
- **SHA256**: `c9b11932ce0fe015274c81a13bc3202ec4b52178e8fbbe146f9d0010a09b7559`
- **Boot test**: PASS — kernel, systemd init, live-config, reached login prompt
- **Serial console**: `Debian GNU/Linux 13 debian ttyS0` / `debian login:`
- **Tests**: 788 pass, 0 fail (6 new KVM/QEMU fallback tests)
- **Lint**: 0 warnings
### Immediate Action: Build the ISO
```bash
@@ -79,10 +87,11 @@ ISO is ready to build: `./run.sh iso`
| Item | Status |
|------|--------|
| Docker image | ✅ Built with new packages |
| Docker image | ✅ Built with refreshed pins |
| Lint (shellcheck) | ✅ 0 warnings |
| Tests | ✅ 782 pass, 0 fail |
| ISO build | ⬜ Ready — run `./run.sh iso` |
| Tests | ✅ 788 pass, 0 fail |
| ISO build | ✅ Built (demo, 825MB) |
| ISO boot test | ✅ Reached login prompt via serial console |
---