Add distro/ubuntuCore for UC26 snap and image builds.

Centralize salmanoff snapcraft, dangerous-model image scripts, and QEMU workflow so UC26 can be reproduced from the SMO repo without ubuntu-core-practice. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-25 23:01:52 -04:00
parent 44d12eeb9e
commit 038d59f972
17 changed files with 1295 additions and 0 deletions
@@ -0,0 +1,105 @@
+#!/usr/bin/env bash
+# Boot Ubuntu Core 26 amd64 image in QEMU (UEFI, user networking, SSH on localhost:8022).
+set -euo pipefail
+
+UC_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+
+IMG="${UC_ROOT}/artifacts/images-dev/pc.img"
+FIRMWARE_DIR="${UC_ROOT}/artifacts/firmware"
+
+OVMF_CODE="${OVMF_CODE:-/usr/share/OVMF/OVMF_CODE_4M.secboot.fd}"
+OVMF_VARS_TEMPLATE="${OVMF_VARS_TEMPLATE:-/usr/share/OVMF/OVMF_VARS_4M.ms.fd}"
+OVMF_VARS="${FIRMWARE_DIR}/OVMF_VARS_4M.ms.fd"
+
+RAM_MB="${RAM_MB:-2048}"
+SMP="${SMP:-2}"
+SSH_PORT="${SSH_PORT:-8022}"
+
+usage() {
+    cat <<'EOF'
+Usage: run-qemu.sh [OPTIONS]
+
+Boot a UC26 pc.img in QEMU.
+
+Options:
+  --img PATH        Disk image (default: artifacts/images-dev/pc.img)
+  --stock           Use stock image artifacts/images/pc.img (console-conf / Ubuntu SSO)
+  --ram MB          RAM in MiB (default: 2048)
+  --smp N           vCPU count (default: 2)
+  --ssh-port PORT   Host port forwarded to guest :22 (default: 8022)
+  --reset-uefi-vars Recopy writable OVMF vars from host template
+  -h, --help        Show this help
+
+Dev image (default): SSH after first boot without Ubuntu One:
+  ssh -i config/ssh/smo-dev smo@localhost -p 8022
+
+Stock image (--stock): complete console-conf in the serial console first.
+EOF
+}
+
+reset_vars=false
+
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --stock) IMG="${UC_ROOT}/artifacts/images/pc.img"; shift ;;
+        --img) IMG="$2"; shift 2 ;;
+        --ram) RAM_MB="$2"; shift 2 ;;
+        --smp) SMP="$2"; shift 2 ;;
+        --ssh-port) SSH_PORT="$2"; shift 2 ;;
+        --reset-uefi-vars) reset_vars=true; shift ;;
+        -h|--help) usage; exit 0 ;;
+        *) echo "Unknown option: $1" >&2; usage >&2; exit 1 ;;
+    esac
+done
+
+if [[ ! -f "$IMG" ]]; then
+    echo "Image not found: $IMG" >&2
+    echo "Build dev image:  scripts/build-dev-image.sh" >&2
+    echo "Or stock image:   scripts/build-stock-image.sh  (then run-qemu.sh --stock)" >&2
+    exit 1
+fi
+
+for f in "$OVMF_CODE" "$OVMF_VARS_TEMPLATE"; do
+    if [[ ! -f "$f" ]]; then
+        echo "Missing firmware file: $f" >&2
+        echo "Install with: sudo apt install ovmf qemu-kvm" >&2
+        exit 1
+    fi
+done
+
+if ! command -v qemu-system-x86_64 >/dev/null 2>&1; then
+    echo "qemu-system-x86_64 not found. Install with: sudo apt install qemu-kvm" >&2
+    exit 1
+fi
+
+mkdir -p "$FIRMWARE_DIR"
+
+if [[ "$reset_vars" == true || ! -f "$OVMF_VARS" ]]; then
+    cp "$OVMF_VARS_TEMPLATE" "$OVMF_VARS"
+    echo "UEFI vars: $OVMF_VARS (fresh copy from template)"
+fi
+
+kvm_args=()
+if [[ -r /dev/kvm ]]; then
+    kvm_args=(-enable-kvm -cpu host)
+else
+    echo "Warning: /dev/kvm not available; running without KVM" >&2
+    kvm_args=(-cpu max)
+fi
+
+echo "Image: $IMG"
+echo "RAM:   ${RAM_MB}M  SMP: $SMP  SSH: localhost:${SSH_PORT}"
+
+exec qemu-system-x86_64 \
+    "${kvm_args[@]}" \
+    -smp "$SMP" \
+    -m "$RAM_MB" \
+    -machine q35 \
+    -global ICH9-LPC.disable_s3=1 \
+    -netdev "user,id=net0,hostfwd=tcp::${SSH_PORT}-:22" \
+    -device virtio-net-pci,netdev=net0 \
+    -drive "file=${OVMF_CODE},if=pflash,format=raw,unit=0,readonly=on" \
+    -drive "file=${OVMF_VARS},if=pflash,format=raw,unit=1" \
+    -drive "file=${IMG},if=none,format=raw,id=disk1" \
+    -device virtio-blk-pci,drive=disk1,bootindex=1 \
+    -serial mon:stdio