a27d3fb313
- docs/secureboot.md: MOK workflow (generate, build, enroll). - docs/building.md: image + install quickstart, new outputs, ARCLINE_SIGN. - docs/observability.md: vendor .debs are now the primary packaging path. - docs/editions.md: cloud ships a qcow2; qemu test command. - docs/architecture.md: full pipeline table incl. deploy/install; the four follow-up items are now implemented; new "on the horizon" list. - README: updated feature list, quickstart, and status.
116 lines
4.2 KiB
Markdown
116 lines
4.2 KiB
Markdown
# Building Arcline OS
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## Prerequisites
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A Debian-family host (or container) with root/sudo:
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```
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debootstrap # rootfs bootstrap
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squashfs-tools # ISO rootfs compression
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grub2-common # grub-mkrescue (hybrid ISO)
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xorriso cpio # ISO assembly
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bash make curl git # build orchestration
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go (≥ 1.21) # only needed for `make toolchain`
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```
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Check or install them:
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```
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scripts/check-host-deps.sh # report what's missing
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scripts/check-host-deps.sh --install # apt-get install the missing bits
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```
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## Quickstart
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```
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make check # validate the tree (fast, offline, safe)
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make rootfs-server # build just the server rootfs
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make iso-server # build a bootable server ISO
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make iso # build all three editions
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make image-cloud # build the cloud edition as a qcow2 disk image
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make toolchain # build the 11 Go tools into .deb
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make vendor # build Grafana/Loki/Promtail .debs
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make test # run smoke tests against built rootfs(es)
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```
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## Outputs
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Everything lands under `build/`:
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| Path | Contents |
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|------|----------|
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| `build/rootfs/<edition>/` | extracted rootfs (from `make rootfs-*`) |
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| `build/artifacts/arcline-<edition>-<version>-<arch>.tar.xz` | archived rootfs |
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| `build/artifacts/arcline-<edition>-<version>-<arch>.iso` | bootable live ISO |
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| `build/artifacts/arcline-<edition>-<version>-<arch>.qcow2` | bootable disk image |
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| `build/debs/*.deb` | Arcline toolchain + vendor packages |
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Each artifact ships with a `.sha256` checksum file.
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## Disk images & installing
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- `make image-<edition>` builds a bootable **qcow2** disk image (the cloud
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edition's primary output; also handy for VM-testing server/workstation).
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Options: `--format raw`, `--size 4G`, `--boot efi`.
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- `scripts/install.sh /dev/sdX --edition server` installs a built rootfs onto
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a real disk (asks for explicit confirmation, then partitions, lays out
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btrfs subvolumes, installs GRUB, and writes a real fstab). Both reuse the
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shared `scripts/deploy-disk.sh`.
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## Secure boot
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Optional, MOK-based. See [secureboot](secureboot.md):
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```bash
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scripts/secureboot/gen-keys.sh
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ARCLINE_SIGN=1 make iso-server
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```
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## Reproducibility knobs
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Set these as environment variables or edit `versions.mk`:
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| Variable | Meaning | Default |
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|----------|---------|---------|
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| `VERSION` | release version string | `0.1.0` |
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| `DEBIAN_SUITE` | Debian base | `bookworm` |
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| `ARCH` | target architecture | `amd64` |
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| `DEBIAN_MIRROR` | mirror for the base | `http://deb.debian.org/debian` |
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| `ARCLINE_LIVE` | install live-boot into rootfs | unset (set by ISO build) |
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| `ARCLINE_LOCK_ROOT` | lock root account (`passwd -l root`) | `0` |
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| `ARCLINE_EXTRA_REPOS` | fetch grafana/loki upstream repos | `0` |
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| `ARCLINE_TOOLCHAIN` | toolchain in image builds | `auto` |
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| `ARCLINE_SIGN` | sign boot chain with the MOK (secure boot) | `0` |
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## Building without the Arcline toolchain
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The 11 Go tools (see `docs/toolchain.md`) are **optional** in an image — a
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normal `make iso-server` with no `.deb`s in `build/debs/` already produces a
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minimal, toolchain-free image. This is controlled by `ARCLINE_TOOLCHAIN`:
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| Mode | Behaviour |
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|------|-----------|
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| `auto` (default) | install the tools if `build/debs/*.deb` exist, otherwise build without them (with a warning) |
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| `skip` | never install the tools, even if debs are present |
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| `require` | **fail** the build if no toolchain debs are available |
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Examples:
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```bash
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make iso-server # auto: tools in if you ran `make toolchain`
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make iso-server-minimal # skip: guaranteed toolchain-free image
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ARCLINE_TOOLCHAIN=skip make iso-server
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ARCLINE_TOOLCHAIN=require make iso-server # release builds must ship the tools
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```
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Everything else — hardened base, firewall, btrfs, observability
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(Prometheus/node_exporter are Debian-main packages), zero-telemetry — is
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independent of the toolchain and always included.
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## Notes on the ISO
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The ISO boots a **live** system (via `live-boot`): the rootfs is compressed to
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a squashfs and mounted on boot, so you can try an edition before installing it
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to disk. The same rootfs can be installed with the btrfs layout via
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`btrfs/init.sh` (the installer is follow-up work — see `docs/architecture.md`).
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