97 lines
2.3 KiB
Bash
97 lines
2.3 KiB
Bash
|
#!/usr/bin/env bash
|
||
|
|
# Build stock Ubuntu Core 26 amd64 image from Canonical's signed model assertion.
|
||
|
|
set -euo pipefail
|
||
|
|
|
||
|
|
UC_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
|
||
|
|
|
||
|
|
MODEL="${UC_ROOT}/models/ubuntu-core-26-amd64.model"
|
||
|
|
WORKDIR="${UC_ROOT}/work/ubuntu-image-snap"
|
||
|
|
OUTPUT_DIR="${UC_ROOT}/artifacts/images"
|
||
|
|
LOG_DIR="${UC_ROOT}/artifacts/logs"
|
||
|
|
|
||
|
|
usage() {
|
||
|
|
cat <<'EOF'
|
||
|
|
Usage: build-stock-image.sh [OPTIONS]
|
||
|
|
|
||
|
|
Build a stock ubuntu-core-26-amd64 disk image with ubuntu-image snap.
|
||
|
|
|
||
|
|
Options:
|
||
|
|
--fresh-workdir Remove work/ubuntu-image-snap before building (full re-download)
|
||
|
|
--resume Pass --resume to ubuntu-image (continue partial build)
|
||
|
|
-h, --help Show this help
|
||
|
|
|
||
|
|
Outputs:
|
||
|
|
artifacts/images/pc.img
|
||
|
|
artifacts/images/pc.img.seed.manifest
|
||
|
|
artifacts/logs/build-<timestamp>.log
|
||
|
|
|
||
|
|
Host prerequisites:
|
||
|
|
snap install ubuntu-image --classic
|
||
|
|
scripts/fetch-model.sh (download signed model if missing)
|
||
|
|
EOF
|
||
|
|
}
|
||
|
|
|
||
|
|
fresh_workdir=false
|
||
|
|
resume=false
|
||
|
|
|
||
|
|
while [[ $# -gt 0 ]]; do
|
||
|
|
case "$1" in
|
||
|
|
--fresh-workdir) fresh_workdir=true; shift ;;
|
||
|
|
--resume) resume=true; shift ;;
|
||
|
|
-h|--help) usage; exit 0 ;;
|
||
|
|
*) echo "Unknown option: $1" >&2; usage >&2; exit 1 ;;
|
||
|
|
esac
|
||
|
|
done
|
||
|
|
|
||
|
|
if [[ ! -f "$MODEL" ]]; then
|
||
|
|
echo "Missing model assertion: $MODEL" >&2
|
||
|
|
echo "Run: scripts/fetch-model.sh" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
if ! command -v ubuntu-image >/dev/null 2>&1; then
|
||
|
|
echo "ubuntu-image not found. Install with: sudo snap install ubuntu-image --classic" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
mkdir -p "$OUTPUT_DIR" "$LOG_DIR"
|
||
|
|
|
||
|
|
if [[ "$fresh_workdir" == true ]] || [[ "$resume" == false ]]; then
|
||
|
|
if [[ -d "$WORKDIR" ]]; then
|
||
|
|
echo "Removing workdir: $WORKDIR"
|
||
|
|
rm -rf "$WORKDIR"
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
mkdir -p "$WORKDIR"
|
||
|
|
|
||
|
|
timestamp="$(date +%Y%m%d-%H%M%S)"
|
||
|
|
log_file="${LOG_DIR}/build-${timestamp}.log"
|
||
|
|
|
||
|
|
cmd=(ubuntu-image snap
|
||
|
|
--workdir "$WORKDIR"
|
||
|
|
--output-dir "$OUTPUT_DIR"
|
||
|
|
--image-size 4G
|
||
|
|
"$MODEL")
|
||
|
|
|
||
|
|
if [[ "$resume" == true ]]; then
|
||
|
|
cmd+=(--resume)
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo "Model: $MODEL"
|
||
|
|
echo "Workdir: $WORKDIR"
|
||
|
|
echo "Output dir: $OUTPUT_DIR"
|
||
|
|
echo "Log: $log_file"
|
||
|
|
echo "Running: ${cmd[*]}"
|
||
|
|
|
||
|
|
"${cmd[@]}" 2>&1 | tee "$log_file"
|
||
|
|
|
||
|
|
img="${OUTPUT_DIR}/pc.img"
|
||
|
|
if [[ ! -f "$img" ]]; then
|
||
|
|
echo "Build finished but $img not found" >&2
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo ""
|
||
|
|
echo "Done. Image: $img"
|
||
|
|
ls -lh "$img" "${img}.seed.manifest" 2>/dev/null || ls -lh "$img"
|