127 lines
5.0 KiB
Bash
Executable File
127 lines
5.0 KiB
Bash
Executable File
#!/bin/bash
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set -eu
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PACKAGE_ROOT=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
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APP_ROOT="${TRIM_APPDEST:-$PACKAGE_ROOT/app}"
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DATA_ROOT="${TRIM_PKGVAR:-$PACKAGE_ROOT/var}"
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VERSION_FILE="$APP_ROOT/runtime/VERSION"
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WHEEL_ROOT="$APP_ROOT/runtime/wheels"
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CORE_REQUIREMENTS="$APP_ROOT/runtime/runtime-core.txt"
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RUNTIME_ROOT="$DATA_ROOT/runtime"
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fail() {
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printf '%s\n' "$1" >&2
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exit 1
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}
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[ -f "$VERSION_FILE" ] || fail "ImageFind 运行环境初始化失败：安装包缺少版本信息。"
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[ -d "$WHEEL_ROOT" ] || fail "ImageFind 运行环境初始化失败：安装包缺少核心 wheelhouse。"
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[ -f "$CORE_REQUIREMENTS" ] || fail "ImageFind 运行环境初始化失败：安装包缺少核心依赖锁文件。"
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VERSION=$(sed -n '1p' "$VERSION_FILE")
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case "$VERSION" in
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''|*[!0-9.]* ) fail "ImageFind 运行环境初始化失败：版本信息无效。" ;;
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esac
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PACKAGE_ID=$(sed -n '2p' "$VERSION_FILE")
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case "$PACKAGE_ID" in
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''|*[!0-9a-f]* ) fail "ImageFind 运行环境初始化失败：安装包指纹无效。" ;;
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esac
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[ "${#PACKAGE_ID}" -eq 64 ] || fail "ImageFind 运行环境初始化失败：安装包指纹长度无效。"
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if [ -n "${IMAGEFIND_PYTHON_PATH:-}" ]; then
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SYSTEM_PYTHON="$IMAGEFIND_PYTHON_PATH"
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else
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SYSTEM_PYTHON="/var/apps/python312/target/bin/python3"
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fi
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[ -x "$SYSTEM_PYTHON" ] || fail "ImageFind 需要 fnOS Python 3.12 依赖，请先确认 python312 已安装。"
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PYTHON_VERSION=$($SYSTEM_PYTHON -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")' 2>/dev/null) \
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|| fail "ImageFind 无法运行 fnOS Python 3.12。"
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[ "$PYTHON_VERSION" = "3.12" ] || fail "ImageFind 需要 Python 3.12，当前为 $PYTHON_VERSION。"
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mkdir -p "$RUNTIME_ROOT"
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TARGET="$RUNTIME_ROOT/core-$VERSION"
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STAGE="$RUNTIME_ROOT/.core-$VERSION.tmp.$$"
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CURRENT="$RUNTIME_ROOT/current"
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runtime_valid() {
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[ -x "$1/bin/python" ] || return 1
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[ -f "$1/.imagefind-package-id" ] || return 1
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[ "$(sed -n '1p' "$1/.imagefind-package-id")" = "$PACKAGE_ID" ] || return 1
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RUNTIME_VERSION=$(
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IMAGEFIND_DATA_DIR="$DATA_ROOT/data" "$1/bin/python" -c \
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'import imagefind; print(imagefind.__version__)' 2>"$RUNTIME_ROOT/version-check.err"
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) || return 1
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[ "$RUNTIME_VERSION" = "$VERSION" ]
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}
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if ! runtime_valid "$TARGET"; then
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rm -rf "$STAGE"
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"$SYSTEM_PYTHON" -m venv "$STAGE" \
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|| { rm -rf "$STAGE"; fail "ImageFind 无法创建 Python 3.12 核心运行环境。"; }
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APP_WHEEL=""
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for candidate in "$APP_ROOT"/runtime/imagefind-*.whl; do
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if [ -f "$candidate" ]; then
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APP_WHEEL="$candidate"
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break
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fi
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done
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[ -n "$APP_WHEEL" ] \
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|| { rm -rf "$STAGE"; fail "ImageFind 运行环境初始化失败：安装包缺少应用 wheel。"; }
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if ! "$STAGE/bin/python" -m pip install \
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--disable-pip-version-check --no-input --no-index \
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--find-links "$WHEEL_ROOT" --requirement "$CORE_REQUIREMENTS" "$APP_WHEEL"; then
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rm -rf "$STAGE"
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fail "ImageFind 核心运行环境离线安装失败，请重新安装应用。"
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fi
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printf '%s\n' "$PACKAGE_ID" >"$STAGE/.imagefind-package-id"
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runtime_valid "$STAGE" \
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|| {
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if [ -s "$RUNTIME_ROOT/version-check.err" ]; then
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cat "$RUNTIME_ROOT/version-check.err" >&2 || true
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fi
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rm -rf "$STAGE"
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fail "ImageFind 核心运行环境校验失败。"
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}
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if [ -e "$TARGET" ]; then
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BACKUP="$RUNTIME_ROOT/core-$VERSION.invalid.$(date +%s)"
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mv "$TARGET" "$BACKUP"
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fi
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mv "$STAGE" "$TARGET"
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fi
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LINK="$RUNTIME_ROOT/.current.$$"
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rm -f "$LINK"
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ln -s "$TARGET" "$LINK"
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if [ -d "$CURRENT" ] && [ ! -L "$CURRENT" ]; then
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mv "$CURRENT" "$RUNTIME_ROOT/current.previous.$(date +%s)"
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fi
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# mv follows a destination symlink that points at a directory and would place
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# LINK *inside* the old runtime. Replace the directory entry itself so an
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# upgrade atomically switches current even when it is a valid or dangling
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# symlink left by an earlier release.
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if ! "$SYSTEM_PYTHON" -c \
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'import os,sys; os.replace(sys.argv[1], sys.argv[2])' \
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"$LINK" "$CURRENT"; then
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rm -f "$LINK"
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fail "ImageFind 核心运行环境切换失败：无法原子更新 current。"
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fi
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if ! runtime_valid "$CURRENT"; then
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if [ -L "$CURRENT" ]; then
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CURRENT_LINK=$(readlink "$CURRENT" 2>/dev/null || printf '%s' '无法读取')
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elif [ -e "$CURRENT" ]; then
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CURRENT_LINK='不是符号链接'
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else
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CURRENT_LINK='不存在'
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fi
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if [ -x "$CURRENT/bin/python" ]; then
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ACTUAL_VERSION=$(
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IMAGEFIND_DATA_DIR="$DATA_ROOT/data" "$CURRENT/bin/python" -c \
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'import imagefind; print(imagefind.__version__)' 2>"$RUNTIME_ROOT/version-check.err" \
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|| printf '%s' '无法读取'
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)
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else
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ACTUAL_VERSION='Python 不可执行'
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fi
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fail "ImageFind 核心运行环境切换失败：期望版本 $VERSION，current=$CURRENT_LINK，实际版本=$ACTUAL_VERSION。"
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fi
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