资源编排如何创建多台ECS实例?

本文为您介绍如何通过资源编排服务（ROS）创建多台ECS实例。

前提条件 创建ECS实例前，首先需要创建虚拟专有网络（VPC）和交换机（VSwitch）并加入安全组（SecurityGroup）。本文为您介绍如何通过创建ROS模板生成上述资源，再通过ROS控制台创建资源栈，详情请参见创建资源栈。

创建多台ECS实例的注意事项，请参见ALIYUN::ECS::InstanceGroup。

创建多台ECS实例 JSON格式

{ "ROSTemplateFormatVersion": "2015-09-01", "Description": "创建多台ECS实例", "Metadata": { "ALIYUN::ROS::Interface": { "ParameterGroups": [ { "Parameters": [ "ImageId", "InstanceType", "LoginPassword", "ECSAmount", "DiskSize", "DiskCategory", "SystemDiskSize", "SystemDiskCategory" ], "Label": { "default": "ECS" } } ], "TemplateTags": [ "ECS" ] } }, "Parameters": { "SystemDiskSize": { "Type": "Number", "Description": "系统盘大小，40-500，单位：GB", "Label": "系统盘", "Default": 40 }, "PublicIP": { "Type": "Boolean", "Description": "是否分配公网IP", "Label": "分配公网IP", "Default": true }, "ECSAmount": { "Type": "Number", "Label": "ECS实例数量", "Description": "取值范围：1-100", "Default": 3, "MaxValue": 100, "MinValue": 1 }, "ImageId": { "Type": "String", "Description": "镜像ID，表示要启动一个ECS实例的镜像资源", "Label": "ECS镜像ID", "Default": "centos_7" }, "DiskSize": { "Type": "String", "Description": "数据盘大小，单位：GB", "Label": "数据盘", "Default": "20" }, "DiskCategory": { "Type": "String", "Description": "数据盘类型", "AllowedValues": [ "cloud_efficiency", "cloud_ssd" ], "Label": "数据盘类型", "Default": "cloud_ssd" }, "InstanceType": { "Type": "String", "Description": "ECS实例类型", "AllowedValues": [ "ecs.g5.large", "ecs.c5.large", "ecs.g5.xlarge", "ecs.c5.xlarge" ], "Label": "ECS实例类型", "Default": "ecs.c5.large" }, "SystemDiskCategory": { "Type": "String", "Description": "系统盘类型", "AllowedValues": [ "cloud_efficiency", "cloud_ssd" ], "Label": "系统盘类型", "Default": "cloud_ssd" }, "LoginPassword": { "NoEcho": true, "Type": "String", "Description": "ECS登录密码", "AllowedPattern": "[a-zA-Z0-9-\(\)\`\~\!@\#\$%\^&\-+=\|\{\}\[\]\:\;\‘\,\.\?\/]", "Label": "ECS登录密码", "MinLength": 8, "MaxLength": 30 } }, "Resources": { "VSwitch": { "Type": "ALIYUN::ECS::VSwitch", "Properties": { "VpcId": { "Ref": "VPC" }, "ZoneId": { "Fn::Select": [ "1", { "Fn::GetAZs": { "Ref": "ALIYUN::Region" } } ] }, "CidrBlock": "192.168.0.0/24", "VSwitchName": "MyVsw" } }, "SG": { "Type": "ALIYUN::ECS::SecurityGroup", "Properties": { "VpcId": { "Ref": "VPC" }, "SecurityGroupName": "MySG", "SecurityGroupIngress": [ { "PortRange": "-1/-1", "Priority": 1, "SourceCidrIp": "0.0.0.0/0", "IpProtocol": "all", "NicType": "internet" } ], "SecurityGroupEgress": [ { "PortRange": "-1/-1", "Priority": 1, "IpProtocol": "all", "DestCidrIp": "0.0.0.0/0", "NicType": "intranet" } ] } }, "ECS": { "Type": "ALIYUN::ECS::InstanceGroup", "Properties": { "IoOptimized": "optimized", "DiskMappings": [ { "Category": { "Ref": "DiskCategory" }, "Size": { "Ref": "DiskSize" } } ], "SystemDiskSize": { "Ref": "SystemDiskSize" }, "SecurityGroupId": { "Ref": "SG" }, "VSwitchId": { "Ref": "VSwitch" }, "MaxAmount": { "Ref": "ECSAmount" }, "SystemDiskCategory": { "Ref": "SystemDiskCategory" }, "VpcId": { "Ref": "VPC" }, "MinAmount": { "Ref": "ECSAmount" }, "ImageId": { "Ref": "ImageId" }, "AllocatePublicIP": { "Ref": "PublicIP" }, "InstanceType": { "Ref": "InstanceType" }, "Password": { "Ref": "LoginPassword" } } }, "VPC": { "Type": "ALIYUN::ECS::VPC", "Properties": { "CidrBlock": "192.168.0.0/16", "VpcName": "MyVPC" } } }, "Outputs": { "ECS实例ID": { "Value": { "Fn::GetAtt": [ "ECS", "InstanceIds" ] } }, "公网IP": { "Value": { "Fn::GetAtt": [ "ECS", "PublicIps" ] } } } } YAML格式

ROSTemplateFormatVersion: '2015-09-01' Description: 创建多台ECS实例 Metadata: ALIYUN::ROS::Interface: ParameterGroups: - Parameters: - ImageId - InstanceType - LoginPassword - ECSAmount - DiskSize - DiskCategory - SystemDiskSize - SystemDiskCategory Label: default: ECS TemplateTags: - ECS Parameters: SystemDiskSize: Type: Number Description: 系统盘大小，40-500，单位：GB Label: 系统盘 Default: 40 PublicIP: Type: Boolean Description: 是否分配公网IP Label: 分配公网IP Default: true ECSAmount: Type: Number Label: ECS实例数量 Description: 取值范围：1-100 Default: 3 MaxValue: 100 MinValue: 1 ImageId: Type: String Description: 镜像ID，表示要启动一个ECS实例的镜像资源 Label: ECS镜像ID Default: centos_7 DiskSize: Type: String Description: 数据盘大小，单位：GB Label: 数据盘 Default: '20' DiskCategory: Type: String Description: 数据盘类型 AllowedValues: - cloud_efficiency - cloud_ssd Label: 数据盘类型 Default: cloud_ssd InstanceType: Type: String Description: ECS实例类型 AllowedValues: - ecs.g5.large - ecs.c5.large - ecs.g5.xlarge - ecs.c5.xlarge Label: ECS实例类型 Default: ecs.c5.large SystemDiskCategory: Type: String Description: 系统盘类型 AllowedValues: - cloud_efficiency - cloud_ssd Label: 系统盘类型 Default: cloud_ssd LoginPassword: NoEcho: true Type: String Description: ECS登录密码 AllowedPattern: "[a-zA-Z0-9-\(\)\`\~\!@\#\$%\^&\-+=\|\{\}\[\]\:\;\‘\,\.\?\/]" Label: ECS登录密码 MinLength: 8 MaxLength: 30 Resources: VSwitch: Type: ALIYUN::ECS::VSwitch Properties: VpcId: Ref: VPC ZoneId: Fn::Select: - '1' - Fn::GetAZs: Ref: ALIYUN::Region CidrBlock: 192.168.0.0/24 VSwitchName: MyVsw SG: Type: ALIYUN::ECS::SecurityGroup Properties: VpcId: Ref: VPC SecurityGroupName: MySG SecurityGroupIngress: - PortRange: "-1/-1" Priority: 1 SourceCidrIp: 0.0.0.0/0 IpProtocol: all NicType: internet SecurityGroupEgress: - PortRange: "-1/-1" Priority: 1 IpProtocol: all DestCidrIp: 0.0.0.0/0 NicType: intranet ECS: Type: ALIYUN::ECS::InstanceGroup Properties: IoOptimized: optimized DiskMappings: - Category: Ref: DiskCategory Size: Ref: DiskSize SystemDiskSize: Ref: SystemDiskSize SecurityGroupId: Ref: SG VSwitchId: Ref: VSwitch MaxAmount: Ref: ECSAmount SystemDiskCategory: Ref: SystemDiskCategory VpcId: Ref: VPC MinAmount: Ref: ECSAmount ImageId: Ref: ImageId AllocatePublicIP: Ref: PublicIP InstanceType: Ref: InstanceType Password: Ref: LoginPassword VPC: Type: ALIYUN::ECS::VPC Properties: CidrBlock: 192.168.0.0/16 VpcName: MyVPC Outputs: ECS实例ID: Value: Fn::GetAtt: - ECS - InstanceIds 公网IP: Value: Fn::GetAtt: - ECS - PublicIps 查看ECS实例镜像资源，请参见公共镜像概述。 查看ECS实例类型，请参见实例规格族。