构建 VPS → OP8P → WRT 三级联动数据备份自动化方案

#!/bin/bash

# --- 配置区 ---
RSYNC_BIN="/usr/bin/rsync"
VPS_HOST="vps"
WRT_HOST="wrt"
LOCAL_DOCKER_DIR="/home/ban/Docker"
TOKEN="${ding_token}"

# --- 函数定义：钉钉推送 ---
send_dingtalk() {
    local msg="[HA] $1"
    /usr/bin/curl -s "https://oapi.dingtalk.com/robot/send?access_token=${TOKEN}" \
        -H 'Content-Type: application/json' \
        -d "{\"msgtype\": \"text\",\"text\": {\"content\":\"$msg\"}}" > /dev/null
}

# --- 函数定义：错误处理 ---
error_exit() {
    local err_msg="备份失败: $1"
    echo -e "\033[31m[ERROR] $err_msg\033[0m" >&2
    send_dingtalk "$err_msg (时间: $(date '+%Y-%m-%d %H:%M:%S'))"
    exit 1
}

# --- 任务开始 ---
echo "--- 正在进行预检查 ---"
# 发送开始通知（可选）
# send_dingtalk "数据备份任务开始执行..."

# 1. 检查必要工具和目录
[ ! -x "$RSYNC_BIN" ] && error_exit "找不到 rsync"
[ ! -d "$LOCAL_DOCKER_DIR" ] && error_exit "本地目录 $LOCAL_DOCKER_DIR 不存在"

# 2. 检查网络连通性
for HOST in "$VPS_HOST" "$WRT_HOST"; do
    if ! /usr/bin/ssh -o ConnectTimeout=5 -o BatchMode=yes "$HOST" exit 2>/dev/null; then
        error_exit "无法连接主机: $HOST"
    fi
done

# --- 第一阶段：VPS -> OP8P ---
echo -e "\n>>> Phase 1: VPS -> OP8P"
$RSYNC_BIN -avz \
    --exclude 'blog' \
    --exclude '.*' \
    --exclude 'ttrss/postgres' \
    --exclude 'virt-sysprep-firstboot.log' \
    "$VPS_HOST":/root/ "$LOCAL_DOCKER_DIR/" || error_exit "VPS -> OP8P 同步出错"

# --- 第二阶段：OP8P -> WRT ---
echo -e "\n>>> Phase 2: OP8P -> WRT"

# 2-1. 同步 Docker 核心文件
$RSYNC_BIN -avz \
    --exclude 'photoprism/database' \
    --exclude 'photoprism/storage' \
    --exclude 'gitlab/config' \
    --exclude 'gitlab/logs' \
    --exclude 'gitlab/data' \
    --exclude 'homeassistant/config' \
    "$LOCAL_DOCKER_DIR/" "$WRT_HOST":/opt/Docker/ || error_exit "Docker 核心文件同步出错"

# 2-2. 独立同步 HA Backups
$RSYNC_BIN -avz "$LOCAL_DOCKER_DIR/homeassistant/config/backups/" "$WRT_HOST":/opt/Docker/homeassistant/config/backups/ || error_exit "HA Backups 同步出错"

# 2-3. 资料库循环同步
TASKS=(
    "/home/ban/Pictures/:/opt/Pictures/"
    "/home/ban/Documents/:/opt/Documents/"
    "/home/ban/Music/:/opt/Music/"
    "/home/ban/script/:/opt/script/"
)

for TASK in "${TASKS[@]}"; do
    SOURCE="${TASK%%:*}"
    DEST_PATH="${TASK##*:}"
    DEST="$WRT_HOST:$DEST_PATH"
    if [ -d "$SOURCE" ]; then
        $RSYNC_BIN -av "$SOURCE" "$DEST" || error_exit "资料同步出错: $SOURCE"
    fi
done

# --- 任务完成 ---
FINISH_TIME=$(date '+%Y-%m-%d %H:%M:%S')
echo -e "\n✅ 所有任务完成！"
send_dingtalk "数据备份成功完成。 (时间: $FINISH_TIME)"

ssh-copy-id vps
ssh-copy-id wrt