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承虔
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Add AnalyticDB RAG solution for AI customer service
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‎solution/tech-solution/analyticdb-rag/main.tf

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provider "alicloud" {
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region = var.region
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}
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# 生成随机字符串
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resource "random_string" "random_string" {
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length = 8
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special = false
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upper = false
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numeric = true
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lower = true
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}
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# 获取当前区域信息
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data "alicloud_regions" "current_region_ds" {
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current = true
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}
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# 动态查询可用区
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data "alicloud_zones" "default" {
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available_disk_category = "cloud_essd"
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available_resource_creation = "VSwitch"
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available_instance_type = var.instance_type
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}
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# 动态查询镜像
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data "alicloud_images" "default" {
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name_regex = "^aliyun_3_x64_20G_alibase_.*"
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most_recent = true
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owners = "system"
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}
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# VPC
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resource "alicloud_vpc" "vpc" {
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cidr_block = "192.168.0.0/16"
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vpc_name = "vpc_${var.common_name}"
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}
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# VSwitch
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resource "alicloud_vswitch" "vswitch" {
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vpc_id = alicloud_vpc.vpc.id
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cidr_block = "192.168.0.0/24"
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zone_id = var.zone_id
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vswitch_name = "vsw_${var.common_name}"
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}
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# 安全组
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resource "alicloud_security_group" "security_group" {
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vpc_id = alicloud_vpc.vpc.id
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security_group_name = "${var.common_name}-sg"
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security_group_type = "normal"
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}
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# 安全组入站规则 - SSH端口
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# 注意：在VPC中，nic_type必须设置为"intranet"，但这不会阻止从公网访问
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# 只要ECS实例有公网IP并且cidr_ip允许相应访问即可
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resource "alicloud_security_group_rule" "allow_ssh" {
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type = "ingress"
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ip_protocol = "tcp"
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nic_type = "intranet"
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policy = "accept"
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port_range = "22/22"
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priority = 1
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security_group_id = alicloud_security_group.security_group.id
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cidr_ip = "0.0.0.0/0"
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}
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# 安全组入站规则 - 5000端口
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# 注意：在VPC中，nic_type必须设置为"intranet"，但这不会阻止从公网访问
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# 只要ECS实例有公网IP并且cidr_ip允许相应访问即可
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resource "alicloud_security_group_rule" "allow_app" {
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type = "ingress"
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ip_protocol = "tcp"
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nic_type = "intranet"
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policy = "accept"
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port_range = "5000/5000"
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priority = 1
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security_group_id = alicloud_security_group.security_group.id
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cidr_ip = "0.0.0.0/0"
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}
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# ECS实例
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resource "alicloud_instance" "ecs_instance" {
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instance_name = "${var.common_name}-ecs_adb"
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image_id = data.alicloud_images.default.images[0].id
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instance_type = var.instance_type
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system_disk_category = "cloud_essd"
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vswitch_id = alicloud_vswitch.vswitch.id
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security_groups = [alicloud_security_group.security_group.id]
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password = var.ecs_instance_password
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internet_max_bandwidth_out = 100
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}
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# AnalyticDB实例
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resource "alicloud_gpdb_instance" "analyticdb" {
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engine = "gpdb"
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engine_version = "6.0"
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instance_spec = "4C16G"
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zone_id = var.zone_id
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vswitch_id = alicloud_vswitch.vswitch.id
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seg_node_num = 2
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seg_storage_type = "cloud_essd"
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seg_disk_performance_level = "pl1"
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storage_size = 50
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vpc_id = alicloud_vpc.vpc.id
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ip_whitelist {
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security_ip_list = "192.168.0.0/24"
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}
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description = "${var.common_name}-adb"
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payment_type = "PayAsYouGo"
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db_instance_category = "Basic"
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db_instance_mode = "StorageElastic"
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}
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# ECS命令
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resource "alicloud_ecs_command" "run_command" {
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name = "adb-bailian-install"
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command_content = base64encode(<<EOF
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#!/bin/bash
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# script exit code:
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# 0 - success
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# 1 - unsupported system
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# 2 - network not available
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# 3 - failed to git clone
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# 4 - failed to init python environment
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# 5 - failed to init git
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# 6 - failed to run flask app
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# 环境变量配置
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cat << EOT >> ~/.bashrc
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export SOCKET_ENDPOINT=${alicloud_instance.ecs_instance.public_ip}:5000
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export APP_ID=${var.app_id}
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export DASHSCOPE_API_KEY=${var.bai_lian_api_key}
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EOT
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source ~/.bashrc
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# 检查是否已经配置过
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if [ ! -f .ros.provision ]; then
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echo "Name: 手动搭建AnalyticDB与百炼搭建智能问答系统" > .ros.provision
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fi
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name=$(grep "^Name:" .ros.provision | awk -F':' '{print $2}' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
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if [[ "$name" != "手动搭建AnalyticDB与百炼搭建智能问答系统" ]]; then
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echo "当前实例已使用过\"$name\"教程的一键配置，不能再使用本教程的一键配置"
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exit 1
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fi
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# Step1: Prepare Environment
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if ! grep -q "^Step1: Prepare Environment$" .ros.provision; then
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echo "#########################"
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echo "# Prepare Environment "
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echo "#########################"
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# 安装Python-3.9.7
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sudo yum update -y && \
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sudo yum groupinstall "Development Tools" -y && \
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sudo yum install openssl-devel bzip2-devel libffi-devel -y
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cd /usr/src && \
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sudo curl -O https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20240729/unpfxr/Python-3.9.0.tgz && \
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sudo tar xzf Python-3.9.0.tgz && \
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cd Python-3.9.0 && \
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sudo ./configure --enable-optimizations && \
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sudo make altinstall
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python3.9 --version && \
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python3.9 -m ensurepip && \
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python3.9 -m pip install --upgrade pip
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echo "Step1: Prepare Environment" >> .ros.provision
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else
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echo "#########################"
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echo "# Environment has been ready"
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echo "#########################"
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fi
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# Step2: Deployment service
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if ! grep -q "^Step2: Deployment service$" .ros.provision; then
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echo "#########################"
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echo "# Deployment service "
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echo "#########################"
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cd /root
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wget https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20240729/unpfxr/demo.zip
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sudo yum install -y unzip
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unzip demo.zip
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cd demo
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python3.9 -m venv $(pwd)/venv
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source $(pwd)/venv/bin/activate
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pip3 install -r requirements.txt
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# 解决Python包版本兼容性问题
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# 1. 卸载可能存在问题的包
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pip3 uninstall -y aiohttp flask-socketio python-socketio
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# 2. 安装已知兼容的特定版本
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pip3 install aiohttp==3.8.1 flask-socketio==5.3.0 python-socketio==5.6.0
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sed "s/socketio.run(app, debug=True, host='0.0.0.0')/socketio.run(app, debug=True, host='0.0.0.0', allow_unsafe_werkzeug=True)/" app-stream.py > temp_app_stream.py
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mv temp_app_stream.py app-stream.py
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rm -rf temp_app_stream.py
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nohup python3.9 app-stream.py > app-stream.log 2>&1 &
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echo "Step2: Deployment service" >> .ros.provision
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else
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echo "#########################"
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echo "# Service deployed"
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echo "#########################"
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fi
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echo "Deployment completed successfully!"
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EOF
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)
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working_dir = "/root"
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type = "RunShellScript"
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timeout = 7200
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}
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# 调用命令资源
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resource "alicloud_ecs_invocation" "invoke_script" {
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instance_id = [alicloud_instance.ecs_instance.id]
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command_id = alicloud_ecs_command.run_command.id
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timeouts {
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create = "120m"
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}
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}

‎solution/tech-solution/analyticdb-rag/outputs.tf

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output "web_url" {
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description = "Web 访问地址"
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value = format("http://%s:5000/home", alicloud_instance.ecs_instance.public_ip)
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}
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output "ecs_login_address" {
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description = "ECS登录地址"
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value = format("https://ecs-workbench.aliyun.com/?from=EcsConsole&instanceType=ecs&regionId=%s&instanceId=%s",
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data.alicloud_regions.current_region_ds.regions[0].id,
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alicloud_instance.ecs_instance.id)
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}
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output "vpc_id" {
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description = "VPC ID"
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value = alicloud_vpc.vpc.id
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}
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output "vswitch_id" {
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description = "VSwitch ID"
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value = alicloud_vswitch.vswitch.id
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}
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output "security_group_id" {
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description = "安全组ID"
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value = alicloud_security_group.security_group.id
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}
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output "ecs_instance_id" {
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description = "ECS实例ID"
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value = alicloud_instance.ecs_instance.id
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}
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output "ecs_public_ip" {
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description = "ECS公网IP"
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value = alicloud_instance.ecs_instance.public_ip
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}
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output "analyticdb_instance_id" {
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description = "AnalyticDB实例ID"
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value = alicloud_gpdb_instance.analyticdb.id
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}
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output "analyticdb_connection_string" {
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description = "AnalyticDB连接字符串"
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value = alicloud_gpdb_instance.analyticdb.connection_string
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}
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output "region_id" {
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description = "部署区域ID"
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value = data.alicloud_regions.current_region_ds.regions[0].id
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}
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output "zone_id" {
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description = "部署可用区ID"
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value = var.zone_id
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}

‎solution/tech-solution/analyticdb-rag/variables.tf

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variable "region" {
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type = string
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default = "cn-hangzhou"
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description = "地域，例如：cn-hangzhou。所有地域及可用区请参见文档：https://help.aliyun.com/document_detail/40654.html#09f1dc16b0uke"
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}
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variable "zone_id" {
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type = string
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description = "可用区ID"
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}
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variable "bai_lian_api_key" {
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type = string
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description = "百炼 API-KEY，需开通百炼模型服务再获取 API-KEY，详情请参考：https://help.aliyun.com/zh/model-studio/developer-reference/get-api-key"
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}
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variable "app_id" {
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type = string
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description = "百炼应用的应用ID"
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}
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variable "instance_type" {
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type = string
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description = "ECS实例规格"
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default = "ecs.g6.large"
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}
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variable "ecs_instance_password" {
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type = string
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sensitive = true
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description = "服务器登录密码,长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ 中的特殊符号）"
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validation {
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condition = length(var.ecs_instance_password) >= 8 && length(var.ecs_instance_password) <= 30
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error_message = "密码长度必须在8-30位之间"
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}
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}
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variable "common_name" {
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type = string
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description = "资源名称前缀"
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default = "RAG"
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}

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