forked from tfgrid/zosbuilder
Jan De Landtsheer
afd4f4c6f9
Summary
- Implemented plain S3-only flist workflow (no web endpoint). rfs pack uploads blobs using write creds; flist route.url is patched to embed read-only S3 credentials so rfs mount reads directly from S3.
Changes
1) New RFS tooling (scripts/rfs/)
- common.sh:
- Compute FULL_KERNEL_VERSION from configs (no uname).
- Load S3 config and construct pack store URI.
- Build read-only S3 route URL and patch flist (sqlite).
- Helpers to locate modules/firmware trees and rfs binary.
- pack-modules.sh:
- Pack /lib/modules/<FULL_KERNEL_VERSION> to dist/flists/modules-<FULL_KERNEL_VERSION>.fl
- Patch flist route to s3://READ:READ@host:port/ROUTE_PATH?region=ROUTE_REGION (default /blobs, garage).
- Optional upload of .fl using MinIO client (mcli/mc).
- pack-firmware.sh:
- Source firmware from $PROJECT_ROOT/firmware (fallback to initramfs/lib/firmware).
- Pack to dist/flists/firmware-<TAG_OR_DATE>.fl (FIRMWARE_TAG or YYYYMMDD).
- Patch flist route to read-only S3; optional .fl upload via mcli/mc.
- verify-flist.sh:
- rfs flist inspect/tree; optional mount test (best effort).
- patch-stores.sh:
- Helper to patch stores (kept though not used by default).
2) Dev-container (Dockerfile)
- Added sqlite and MinIO client package for manifest patching/upload (expect mcli binary at runtime; scripts support both mcli/mc).
- Retains rustup and musl target for building rfs/zinit/mycelium.
3) Config and examples
- config/rfs.conf.example:
- S3_ENDPOINT/S3_REGION/S3_BUCKET/S3_PREFIX
- S3_ACCESS_KEY/S3_SECRET_KEY (write)
- READ_ACCESS_KEY/READ_SECRET_KEY (read-only)
- ROUTE_ENDPOINT (defaults to S3_ENDPOINT), ROUTE_PATH=/blobs, ROUTE_REGION=garage
- MANIFESTS_SUBPATH, UPLOAD_MANIFESTS (mcli upload optional)
- config/rfs.conf updated by user with real values (not committed here; example included).
- config/modules.conf minor tweak (staged).
4) Zinit mount scripts (config/zinit/init/)
- firmware.sh:
- Mounts firmware-latest.fl over /usr/lib/firmware using rfs mount (env override FIRMWARE_FLIST supported).
- modules.sh:
- Mounts modules-$(uname -r).fl over /lib/modules/$(uname -r) (env override MODULES_FLIST supported).
- Both skip if target already mounted and respect RFS_BIN env.
5) Documentation
- docs/rfs-flists.md:
- End-to-end flow, S3-only route URL patching, mcli upload notes.
- docs/review-rfs-integration.md:
- Integration points, build flow, and post-build standalone usage.
- docs/depmod-behavior.md:
- depmod reads .modinfo; recommend prebuilt modules.*(.bin); use depmod -A only on mismatch.
6) Utility
- scripts/functionlist.md synced with current functions.
Behavioral details
- Pack (write):
s3://S3_ACCESS_KEY:S3_SECRET_KEY@HOST:PORT/S3_BUCKET/S3_PREFIX?region=REGION
- Flist route (read, post-patch):
s3://READ_ACCESS_KEY:READ_SECRET_KEY@HOST:PORT/ROUTE_PATH?region=ROUTE_REGION
Defaults: ROUTE_PATH=/blobs, ROUTE_REGION=garage; ROUTE_ENDPOINT derived from S3_ENDPOINT if not set.
Runtime mount examples
- Modules:
rfs mount -m dist/flists/modules-6.12.44-Zero-OS.fl /lib/modules/6.12.44-Zero-OS
- Firmware:
rfs mount -m dist/flists/firmware-YYYYMMDD.fl /usr/lib/firmware
Notes
- FUSE policy: If "allow_other" error occurs, enable user_allow_other in /etc/fuse.conf or run mounts as root.
- WEB_ENDPOINT rewrite is disabled by default (set WEB_ENDPOINT=""). Plain S3 route is embedded in flists.
- MinIO client binary in dev-container is mcli; scripts support mcli (preferred) and mc (fallback).
Files added/modified
- Added: scripts/rfs/{common.sh,pack-modules.sh,pack-firmware.sh,verify-flist.sh,patch-stores.sh}
- Added: config/zinit/init/{firmware.sh,modules.sh}
- Added: docs/{rfs-flists.md,review-rfs-integration.md,depmod-behavior.md}
- Added: config/rfs.conf.example
- Modified: Dockerfile, scripts/functionlist.md, config/modules.conf, config/zinit/sshd-setup.yaml, .gitignore
56 lines
1.1 KiB
Docker
56 lines
1.1 KiB
Docker
# Zero OS Alpine Initramfs Builder Container
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FROM alpine:3.22
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# Install build dependencies including rustup
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RUN apk add --no-cache \
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build-base \
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rustup \
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upx \
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git \
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wget \
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curl \
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tar \
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gzip \
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xz \
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cpio \
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binutils \
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linux-headers \
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musl-dev \
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musl-utils \
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pkgconfig \
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openssl-dev \
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perl \
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bash \
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findutils \
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grep \
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sed \
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coreutils \
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diffutils \
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flex \
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bison \
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bc \
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elfutils-dev \
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ncurses-dev \
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kmod \
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sqlite \
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minio-client \
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pahole
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# Setup rustup with stable and musl target
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RUN rustup-init -y && \
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source /root/.cargo/env && \
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rustup install stable && \
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rustup target add x86_64-unknown-linux-musl && \
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echo 'source /root/.cargo/env' >> /etc/profile
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# Create non-root user for builds matching host user
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RUN adduser -D -s /bin/bash builder
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# Set working directory with proper permissions
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WORKDIR /workspace
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RUN chown builder:builder /workspace
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# Set environment variables - rustup handles everything
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ENV PATH="/root/.cargo/bin:${PATH}"
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CMD ["/bin/bash"] |