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add tech-solution real-time-log-analysis-with-selectdb
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‎solution/tech-solution/real-time-log-analysis-with-selectdb/README.md‎

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## Introduction
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<!-- DOCS_DESCRIPTION_CN -->
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本示例用于实现解决方案[SelectDB实现日志高效存储与实时分析](https://www.aliyun.com/solution/tech-solution/real-time-log-analysis-with-selectdb)，涉及专有网络（VPC）、交换机（VSwitch）、云服务器（ECS）、SelectDB数据库（SelectDB）等资源的部署。
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<!-- DOCS_DESCRIPTION_CN -->
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<!-- DOCS_DESCRIPTION_EN -->
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This example is used to implement solution [SelectDB enables efficient log storage and real-time analytics](https://www.aliyun.com/solution/tech-solution/real-time-log-analysis-with-selectdb), which involves the creation and deployment of resources such as Virtual Private Cloud (VPC), Virtual Switch (VSwitch), Elastic Compute Service (ECS), SelectDB Database (SelectDB).
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<!-- DOCS_DESCRIPTION_EN -->
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<!-- BEGIN_TF_DOCS -->
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## Providers
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| Name | Version |
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|------|---------|
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| <a name="provider_alicloud"></a> [alicloud](#provider\_alicloud) | n/a |
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| <a name="provider_random"></a> [random](#provider\_random) | n/a |
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## Modules
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No modules.
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## Resources
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| Name | Type |
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|------|------|
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| [alicloud_ecs_command.run_tpcc_alicloud_ecs_command](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/resources/ecs_command) | resource |
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| [alicloud_ecs_invocation.run_tpcc_alicloud_ecs_invocation](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/resources/ecs_invocation) | resource |
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| [alicloud_instance.ecs_instance](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/resources/instance) | resource |
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| [alicloud_security_group.sg_select](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/resources/security_group) | resource |
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| [alicloud_selectdb_db_instance.selectdb_instance](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/resources/selectdb_db_instance) | resource |
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| [alicloud_vpc.vpc_select](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/resources/vpc) | resource |
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| [alicloud_vswitch.vsw_select](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/resources/vswitch) | resource |
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| [random_id.suffix](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/id) | resource |
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| [alicloud_images.image_id](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/data-sources/images) | data source |
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| [alicloud_zones.default](https://registry.terraform.io/providers/aliyun/alicloud/latest/docs/data-sources/zones) | data source |
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## Inputs
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| Name | Description | Type | Default | Required |
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|------|-------------|------|---------|:--------:|
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| <a name="input_db_password"></a> [db\_password](#input\_db\_password) | SelectDB admin账号密码 | `string` | n/a | yes |
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| <a name="input_ecs_instance_password"></a> [ecs\_instance\_password](#input\_ecs\_instance\_password) | ECS服务器root账号密码 | `string` | n/a | yes |
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| <a name="input_instance_class"></a> [instance\_class](#input\_instance\_class) | SelectDB实例规格 | `string` | `"selectdb.4xlarge"` | no |
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| <a name="input_instance_type"></a> [instance\_type](#input\_instance\_type) | ECS实例类型，建议选择配备 16 vCPU 64 GiB 配置的实例 | `string` | `"ecs.g8i.4xlarge"` | no |
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| <a name="input_selectdb_engine_version"></a> [selectdb\_engine\_version](#input\_selectdb\_engine\_version) | SelectDB内核版本 | `string` | `"4.0.4"` | no |
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<!-- END_TF_DOCS -->

‎solution/tech-solution/real-time-log-analysis-with-selectdb/main.tf‎

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# ------------------------------------------------------------------------------
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# 核心资源定义
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#
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# 本文件包含了模块的核心基础设施资源
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# 这里的代码负责根据输入变量来创建和配置所有云资源
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# ------------------------------------------------------------------------------
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# 配置阿里云提供商
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provider "alicloud" {
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region = "cn-hangzhou"
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}
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# 创建随机ID用于资源命名
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resource "random_id" "suffix" {
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byte_length = 8
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}
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# 定义本地变量common_name
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locals {
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common_name = "SelectDB-${random_id.suffix.id}"
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ecs_command = <<SHELL
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#!/bin/bash
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cd /root
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export ROS_DEPLOY=true
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wget https://help-static-aliyun-doc.aliyuncs.com/install-script/selectdb-observability/yc_log_demo_2.0.1.tar.gz
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tar -zxvf yc_log_demo_2.0.1.tar.gz
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cd /root/log_demo
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bash install.sh
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sudo chown -R root:root /root/log_demo
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SHELL
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}
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# 查询可用区
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data "alicloud_zones" "default" {
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available_disk_category = "cloud_essd"
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available_instance_type = var.instance_type
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}
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# 创建VPC
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resource "alicloud_vpc" "vpc_select" {
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cidr_block = "192.168.0.0/16"
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vpc_name = "${local.common_name}-vpc"
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}
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# 创建VSwitch
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resource "alicloud_vswitch" "vsw_select" {
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vpc_id = alicloud_vpc.vpc_select.id
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zone_id = data.alicloud_zones.default.ids[0]
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cidr_block = "192.168.0.0/24"
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vswitch_name = "${local.common_name}-vsw"
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}
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# 创建安全组
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resource "alicloud_security_group" "sg_select" {
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security_group_name = "${local.common_name}-sg"
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vpc_id = alicloud_vpc.vpc_select.id
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}
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# 获取阿里云官方镜像
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data "alicloud_images" "image_id" {
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name_regex = "^aliyun_3_9_x64_20G*"
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owners = "system" # 官方镜像
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most_recent = true # 获取最新版本
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}
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# 创建ECS实例
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resource "alicloud_instance" "ecs_instance" {
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vpc_id = alicloud_vpc.vpc_select.id
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vswitch_id = alicloud_vswitch.vsw_select.id
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security_groups = [alicloud_security_group.sg_select.id]
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image_id = data.alicloud_images.image_id.images[0].id
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instance_name = "${local.common_name}-ecs"
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instance_type = var.instance_type
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system_disk_category = "cloud_essd"
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system_disk_size = 100
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internet_max_bandwidth_out = 10
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password = var.ecs_instance_password
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}
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# 创建SelectDB实例
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resource "alicloud_selectdb_db_instance" "selectdb_instance" {
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vpc_id = alicloud_vpc.vpc_select.id
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zone_id = data.alicloud_zones.default.ids[0]
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vswitch_id = alicloud_vswitch.vsw_select.id
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db_instance_description = "${local.common_name}-selectdb"
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db_instance_class = var.instance_class
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cache_size = 100
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payment_type = "PayAsYouGo"
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engine_minor_version = var.selectdb_engine_version
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admin_pass = var.db_password
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desired_security_ip_lists {
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group_name = "default"
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security_ip_list = "192.168.0.0/16"
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}
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}
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# 创建ECS命令资源
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resource "alicloud_ecs_command" "run_tpcc_alicloud_ecs_command" {
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name = "commond_install"
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description = "commond_install_description"
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type = "RunShellScript"
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command_content = base64encode(local.ecs_command)
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timeout = 3600
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working_dir = "/root"
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}
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# 创建ECS命令调用资源
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resource "alicloud_ecs_invocation" "run_tpcc_alicloud_ecs_invocation" {
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instance_id = [alicloud_instance.ecs_instance.id]
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command_id = alicloud_ecs_command.run_tpcc_alicloud_ecs_command.id
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depends_on = [alicloud_selectdb_db_instance.selectdb_instance]
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timeouts {
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create = "60m"
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}
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}

‎solution/tech-solution/real-time-log-analysis-with-selectdb/output.tf‎

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# ------------------------------------------------------------------------------
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# 模块输出值
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#
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# 本文件定义了模块执行成功后返回给调用方的值
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# 这些输出可以被其他 Terraform 配置引用，或在 apply 命令结束后显示给用户
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# ------------------------------------------------------------------------------
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# 输出ECS登录用户
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output "ecs_account" {
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description = "ECS登录用户"
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value = "root"
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}
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# 输出ECS用户root密码
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output "ecs_login_password" {
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description = "ECS用户root密码"
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value = var.ecs_instance_password
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sensitive = true
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}
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# 输出SelectDB登录用户
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output "selectdb_account" {
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description = "SelectDB登录用户"
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value = "admin"
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}
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# 输出SelectDB用户admin密码
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output "selectdb_login_password" {
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description = "SelectDB用户admin密码"
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value = var.db_password
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sensitive = true
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}
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# 输出SelectDB VPC地址
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output "selectdb_vpc_connection_string" {
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description = "SelectDB VPC地址"
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value = alicloud_selectdb_db_instance.selectdb_instance.instance_net_infos[1].connection_string
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}

‎solution/tech-solution/real-time-log-analysis-with-selectdb/variable.tf‎

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# ------------------------------------------------------------------------------
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# 模块输入变量
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#
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# 本文件定义了该 Terraform 模块所有可配置的输入变量
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# 每个变量都包含了详细的说明，以帮助用户正确配置模块
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# ------------------------------------------------------------------------------
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# 指定ECS实例的规格型号
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variable "instance_type" {
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type = string
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default = "ecs.g8i.4xlarge"
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description = "ECS实例类型，建议选择配备 16 vCPU 64 GiB 配置的实例"
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}
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# ECS服务器root账号密码
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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 = "ECS服务器root账号密码"
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#default = ""
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validation {
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condition = can(regex("^[0-9A-Za-z_!@#$%^&*()_+\\-=\\+]+$", var.ecs_instance_password)) && length(var.ecs_instance_password) >= 8 && length(var.ecs_instance_password) <= 30
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error_message = "长度8-30，必须包含三项（大写字母、小写字母、数字、 !@#$%^&*()_+-=中的特殊符号）"
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}
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}
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# SelectDB实例规格
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variable "instance_class" {
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type = string
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default = "selectdb.4xlarge"
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description = "SelectDB实例规格"
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}
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# SelectDB内核版本
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variable "selectdb_engine_version" {
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type = string
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default = "4.0.4"
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description = "SelectDB内核版本"
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validation {
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condition = contains(["3.0.12", "4.0.4"], var.selectdb_engine_version)
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error_message = "无效的配置信息，请检查并重新输入"
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}
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}
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# SelectDB admin账号密码
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variable "db_password" {
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type = string
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sensitive = true
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description = "SelectDB admin账号密码"
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#default = ""
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validation {
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condition = can(regex("^[0-9A-Za-z_!@#$%^&*()_+\\-=\\+]+$", var.db_password)) && length(var.db_password) >= 8 && length(var.db_password) <= 30
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error_message = "长度8-30，必须包含三项（大写字母、小写字母、数字、 !@#$%^&*()_+-=中的特殊符号）"
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}
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}

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