proxmox VE宿主机备份脚本

#!/bin/bash

# Proxmox 远程自动备份脚本（简化版）
REMOTE_HOST="166.166.166.1"
REMOTE_PORT="22"
REMOTE_PATH="/data/websites/backups/proxmox-bak/"

LOCAL_TEMP="/tmp/proxmox-backup-$(date +%Y%m%d_%H%M%S).tar.gz"
LOG_FILE="/var/log/proxmox-remote-backup.log"
MAX_BACKUPS=10

# 备份内容
BACKUP_PATHS=(
    "/etc"
    "/var/spool/cron/crontabs" 
    "/root"
    "/usr/local/bin"
    "/opt"
)

# 日志函数
log() {
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
}

# 主备份流程
main() {
    log "开始 Proxmox 远程备份"
    
    # 创建备份包
    log "创建备份包..."
    if tar -czf "$LOCAL_TEMP" "${BACKUP_PATHS[@]}"; then
        local size=$(du -h "$LOCAL_TEMP" | cut -f1)
        log "备份包创建成功: $size"
    else
        log "备份包创建失败"
        exit 1
    fi
    
    # 上传到远程
    log "上传到远程服务器..."
    if rsync -av -e "ssh -p $REMOTE_PORT" "$LOCAL_TEMP" "root@$REMOTE_HOST:$REMOTE_PATH"; then
        log "备份上传成功: $(basename "$LOCAL_TEMP")"
    else
        log "备份上传失败"
        exit 1
    fi
    
    # 清理远程旧备份
    log "清理远程旧备份..."
    ssh -p $REMOTE_PORT root@$REMOTE_HOST \
        "ls -t '$REMOTE_PATH'proxmox-backup-*.tar.gz 2>/dev/null | tail -n +$(($MAX_BACKUPS + 1)) | xargs -r rm -f"
    
    # 清理本地临时文件
    rm -f "$LOCAL_TEMP"
    
    log "Proxmox 远程备份完成"
}

main

# 给脚本执行权限
chmod +x /usr/local/bin/proxmox-host-backup-remote.sh

# 测试简化版脚本
/usr/local/bin/proxmox-host-backup-remote.sh

# 查看日志
tail -f /var/log/proxmox-remote-backup.log

# 编辑cron任务
crontab -e

38 1 * * * /usr/local/bin/proxmox-host-backup-remote.sh