chore: 可以实现应用补丁及回滚操作

scripts/patch_tools/patch_applier.sh

@@ -7,7 +7,9 @@ shopt -s nullglob extglob
 # 脚本目录
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 CONFIG_FILE="${SCRIPT_DIR}/patch_config.sh"
+LOG_FILE="/var/log/patch_system/apply_$(date +%Y%m%d_%H%M%S).log"
 LOCK_FILE="/tmp/patch_apply.lock"
+ROLLBACK_INFO_DIR="/var/lib/patch_system/rollback_info"
 
 # 颜色定义
 RED='\033[0;31m'
@@ -53,21 +55,25 @@ load_config() {
     
     # 设置默认值
     : ${LOG_LEVEL:="INFO"}
-    : ${LOG_FILE:="/tmp/patch_apply_$(date +%Y%m%d_%H%M%S).log"}
     : ${BACKUP_DIR:="/var/backups/patch"}
     : ${TEMP_DIR:="/tmp/patch_apply_$$"}
     : ${ROLLBACK_ENABLED:="true"}
+    : ${ROLLBACK_INFO_DIR:="/var/lib/patch_system/rollback_info"}    
     : ${VALIDATION_ENABLED:="true"}
     : ${NOTIFICATIONS_ENABLED:="true"}
     : ${ATOMIC_OPERATIONS:="true"}
-    : ${MAX_BACKUP_COUNT:=10}    
+    : ${MAX_BACKUP_COUNT:=10}   
+    : ${PATCH_STAGING_DIR:="/tmp/patch_staging"} 
 }
 
 setup_environment() {
     mkdir -p "$(dirname "$LOG_FILE")"
     mkdir -p "$BACKUP_DIR"
     mkdir -p "$TEMP_DIR"
+    mkdir -p "$ROLLBACK_INFO_DIR"
+    mkdir -p "$PATCH_STAGING_DIR"    
     
+    info "环境设置完成"
     info "日志文件: $LOG_FILE"
     info "备份目录: $BACKUP_DIR"
     info "临时目录: $TEMP_DIR"
@@ -127,7 +133,7 @@ trap cleanup EXIT INT TERM
 
 # 依赖检查
 check_dependencies() {
-    local deps=("tar" "gzip" "sha256sum" "cp" "mkdir" "find")
+    local deps=("tar" "gzip" "find" "stat" "sha256sum" "date" "mkdir" "cp" "jq")
     local missing=()
     
     for dep in "${deps[@]}"; do
@@ -639,6 +645,7 @@ create_rollback_point() {
     local patch_file="$1"
     local backup_file="$2"
     local extract_dir="$3"
+    local changes_file="$4"
     
     if [[ "$ROLLBACK_ENABLED" != "true" ]]; then
         info "回滚功能已禁用"
@@ -647,31 +654,94 @@ create_rollback_point() {
     
     info "🔄 创建回滚点..."
     
-    local rollback_info_file="$BACKUP_DIR/rollback_info.json"
-    local patch_name=$(basename "$patch_file")
+    local patch_name=$(basename "$patch_file" .tar.gz)
     local timestamp=$(date +%Y%m%d_%H%M%S)
+    local rollback_info_file="$ROLLBACK_INFO_DIR/${patch_name}_${timestamp}.json"
     
     # 读取清单信息
     local manifest_file="$extract_dir/MANIFEST.MF"
     local patch_info=""
     if [[ -f "$manifest_file" ]]; then
-        patch_info=$(grep -E "^(名称|版本|描述):" "$manifest_file" | head -3)
+        patch_info=$(grep -E "^(名称|版本|描述):" "$manifest_file" | head -3 | tr '\n' ';')
     fi
     
+    # 统计变更类型
+    local added_count=$(grep -c "^ADDED" "$changes_file")
+    local modified_count=$(grep -c "^MODIFIED" "$changes_file")
+    local deleted_count=$(grep -c "^DELETED" "$changes_file")
+    
+    # 创建回滚信息JSON
     local rollback_info=$(cat << EOF
 {
     "patch_name": "$patch_name",
     "apply_time": "$(date -Iseconds)",
     "backup_path": "$backup_file",
     "rollback_dir": "$BACKUP_DIR/rollback_$timestamp",
-    "manifest_info": "$(echo "$patch_info" | tr '\n' ';')",
-    "status": "applied"
+    "manifest_info": "$patch_info",
+    "status": "applied",
+    "changes": {
+        "added": $added_count,
+        "modified": $modified_count,
+        "deleted": $deleted_count,
+        "total": $((added_count + modified_count + deleted_count))
+    },
+    "system_info": {
+        "hostname": "$(hostname)",
+        "user": "$(whoami)",
+        "working_directory": "$PWD"
+    }
 }
 EOF
 )
     
     echo "$rollback_info" > "$rollback_info_file"
     info "✅ 回滚点创建完成: $rollback_info_file"
+    
+    # 清理旧回滚点
+    cleanup_old_rollback_points
+}
+
+# 清理旧回滚点
+cleanup_old_rollback_points() {
+    local max_points="${1:-$MAX_BACKUP_COUNT}"
+    
+    info "🧹 清理旧回滚点 (保留最近 $max_points 个)"
+    
+    if [[ ! -d "$ROLLBACK_INFO_DIR" ]]; then
+        return 0
+    fi
+    
+    # 获取所有回滚点并按时间排序
+    local points=($(find "$ROLLBACK_INFO_DIR" -name "*.json" -type f -printf "%T@|%p\n" | sort -rn | cut -d'|' -f2))
+    local total_points=${#points[@]}
+    local points_to_remove=$((total_points - max_points))
+    
+    if [[ $points_to_remove -le 0 ]]; then
+        debug "无需清理，当前 $total_points 个回滚点"
+        return 0
+    fi
+    
+    info "清理 $points_to_remove 个旧回滚点"
+    
+    for ((i=max_points; i<total_points; i++)); do
+        local old_file="${points[$i]}"
+        if [[ -f "$old_file" ]]; then
+            # 获取备份文件路径
+            local backup_path=$(jq -r '.backup_path // ""' "$old_file")
+            
+            # 删除备份文件
+            if [[ -n "$backup_path" && -f "$backup_path" ]]; then
+                rm -f "$backup_path"
+                debug "删除备份文件: $(basename "$backup_path")"
+            fi
+            
+            # 删除回滚信息文件
+            rm -f "$old_file"
+            info "🗑️  清理回滚点: $(basename "$old_file")"
+        fi
+    done
+    
+    info "✅ 回滚点清理完成"
 }
 
 # 发送通知
@@ -806,7 +876,7 @@ apply_patch() {
         return 0
     fi
     
-    # 创建备份
+    # 创建备份文件（非干跑模式）
     local backup_file=""
     if [[ "$dry_run" != "true" ]]; then
         info ">>创建备份..."
@@ -834,7 +904,7 @@ apply_patch() {
         
         # 创建回滚点
         info ">>创建回滚点..."
-        create_rollback_point "$patch_file" "$backup_file" "$extract_dir"
+        create_rollback_point "$patch_file" "$backup_file" "$extract_dir" "$changes_file"
     fi
     
     send_notification "success" "$patch_file" "补丁应用成功"
@@ -854,6 +924,7 @@ usage() {
     -v, --verbose        详细输出
     -q, --quiet          安静模式
     -h, --help           显示此帮助
+    -V, --version        显示版本
 
 示例:
     $0 patch.tar.gz                    # 应用补丁
@@ -870,6 +941,13 @@ usage() {
 EOF
 }
 
+# 显示版本信息
+show_version() {
+    echo "patch_applier.sh v2.0.0"
+    echo "企业级补丁应用系统"
+    echo "支持原子性操作、完整验证、智能回滚点创建"
+}
+
 # 主函数
 main() {
     local patch_file=""
@@ -910,6 +988,10 @@ main() {
                 usage
                 exit 0
                 ;;
+            -V|--version)
+                show_version
+                exit 0
+                ;;                
             -*)
                 error "未知选项: $1"
                 usage