Refactor backup config and Telegram notifications

clean_backups.sh

@@ -2,7 +2,7 @@
 # 清理 OBS 历史备份：按文件名前缀与日期，仅保留最近 N 天
 # - 从同目录 env.conf 加载配置；支持 --retain-days / --prefix 覆盖
 # - 删除匹配 backup_YYYYmmdd_HHMMSS.tar.gz[.gpg] 以及对应 .sha256
-# - 记录日志并发送 Telegram 摘要（Markdown）
+# - 记录日志并发送 Telegram 摘要
 # 退出码：0 成功；2 配置缺失/依赖缺失；6 清理失败
 
 set -Eeuo pipefail
@@ -21,64 +21,15 @@ log() {
   echo "$line" | tee -a "${LOG_FILE:-./backup.log}"
 }
 
-#############################
-# Telegram 通知（Markdown）
-#############################
-send_telegram() {
-  local status="${1-}"    # success | error
-  local reason="${2-}"    # 错误原因（可选）
-  local error_log="${3-}" # 详细错误日志（可选）
-
-  if [[ -z "${TG_BOT_TOKEN:-}" || -z "${TG_USER_ID:-}" ]]; then
-    log "INFO" "未配置Telegram通知，跳过发送"
-    return 0
-  fi
-
-  local api="https://api.telegram.org/bot${TG_BOT_TOKEN}/sendMessage"
-  local current_date; current_date="$(date +'%Y-%m-%d %H:%M:%S')"
-  local message
-
-  if [[ "$status" == "success" ]]; then
-    message="*清理完成通知*\n\n"
-    message+="主机：${LABEL}\n"
-    message+="时间：${current_date}\n"
-    message+="前缀：obs://${OBS_BUCKET}/${TARGET_PREFIX}\n"
-    message+="保留天数：${RETAIN_DAYS}\n"
-    message+="保留对象数：${#TO_KEEP[@]}\n"
-    message+="删除成功：${DEL_OK}\n"
-    message+="删除失败：${DEL_FAIL}"
-  else
-    message="*清理失败通知*\n\n${LABEL} 清理任务失败！"
-    if [[ -n "$reason" ]]; then
-      message+="\n原因：${reason}"
-    fi
-    if [[ -n "$error_log" ]]; then
-      message+="\n错误日志：\n\`\`\`${error_log}\`\`\`"
-    fi
-  fi
-
-  # 转换换行符 \n -> %0A
-  local encoded_message=${message//\\n/%0A}
-
-  local response
-  response="$(curl -sS -X POST "$api" \
-    -d "chat_id=${TG_USER_ID}" \
-    -d "parse_mode=Markdown" \
-    -d "disable_web_page_preview=true" \
-    -d "text=${encoded_message}" 2>&1 || true)"
-
-  if echo "$response" | grep -q '"ok":true'; then
-    log "INFO" "Telegram通知发送成功"
-  else
-    log "WARN" "Telegram通知发送失败: $response"
-  fi
-}
+# shellcheck disable=SC1091
+source "${SCRIPT_DIR}/lib/telegram.sh"
 
 on_error() {
   local exit_code=$?
+  local tail_log
   log "ERROR" "清理异常退出（exit=${exit_code})"
-  local tail_log; tail_log="$(tail -n 80 "${LOG_FILE:-./backup.log}" 2>/dev/null || true)"
-  send_telegram "error" "脚本异常退出（exit=${exit_code}）" "$tail_log"
+  tail_log="$(tail -n 80 "${LOG_FILE:-./backup.log}" 2>/dev/null || true)"
+  tg_clean_error "$LABEL" "$(date +'%Y-%m-%d %H:%M:%S')" "脚本异常退出（exit=${exit_code}）" "$tail_log"
   exit "$exit_code"
 }
 trap on_error ERR
@@ -102,7 +53,6 @@ source "$CONF_FILE"
 
 need_cmd obsutil
 
-# 严格按要求：配置文件位于 ~/.obsutilconfig
 OBSUTIL_CONFIG_PATH="${HOME}/.obsutilconfig"
 if [[ ! -f "$OBSUTIL_CONFIG_PATH" ]]; then
   log "ERROR" "未检测到 obsutil 配置文件：${OBSUTIL_CONFIG_PATH}"
@@ -110,7 +60,6 @@ if [[ ! -f "$OBSUTIL_CONFIG_PATH" ]]; then
   exit 2
 fi
 
-# 覆盖参数
 CLI_RETAIN=""
 CLI_PREFIX=""
 usage() {
@@ -134,15 +83,13 @@ if [[ -n "$CLI_PREFIX" ]]; then TARGET_PREFIX="${TARGET_PREFIX}${CLI_PREFIX%/}/"
 
 log "INFO" "开始清理：bucket=${OBS_BUCKET} prefix=${TARGET_PREFIX} 保留最近 ${RETAIN_DAYS} 天"
 
-# 计算截止日期（N 天前零点，格式 YYYYmmdd）
 CUTOFF_DATE="$(date -d "-${RETAIN_DAYS} days" +%Y%m%d)"
 
-# 列举对象
 LIST_OUT="$(mktemp)"
 if ! obsutil ls "obs://${OBS_BUCKET}/${TARGET_PREFIX}" >"$LIST_OUT" 2>/dev/null; then
   log "ERROR" "无法列举 obs://${OBS_BUCKET}/${TARGET_PREFIX}"
   rm -f "$LIST_OUT"
-  send_telegram "error" "无法列举 obs://${OBS_BUCKET}/${TARGET_PREFIX}" ""
+  tg_clean_error "$LABEL" "$(date +'%Y-%m-%d %H:%M:%S')" "无法列举 obs://${OBS_BUCKET}/${TARGET_PREFIX}" ""
   exit 6
 fi
 
@@ -167,7 +114,6 @@ for obj in "${OBJECTS[@]}"; do
   fi
 done
 
-# 去重
 if [[ "${#TO_DELETE[@]}" -gt 0 ]]; then
   mapfile -t TO_DELETE < <(printf '%s\n' "${TO_DELETE[@]}" | awk '!a[$0]++')
 fi
@@ -190,8 +136,7 @@ else
   done
 fi
 
-# 通知与退出码
-send_telegram "success"
+tg_clean_success "$LABEL" "$(date +'%Y-%m-%d %H:%M:%S')" "obs://${OBS_BUCKET}/${TARGET_PREFIX}" "${RETAIN_DAYS}" "${#TO_KEEP[@]}" "${DEL_OK}" "${DEL_FAIL}"
 if (( DEL_FAIL > 0 )); then
   exit 6
 fi