本文介绍AHAS服务关联角色AliyunServiceRoleForAHAS以及如何删除该角色。

背景信息

AHAS服务关联角色AliyunServiceRoleForAHAS是AHAS在某些情况下，为了完成自身的某个功能，需要获取其他云服务的访问权限而提供的RAM角色。更多关于服务关联角色的信息请参见服务关联角色。

应用场景

AHAS架构感知的资源拓扑、流量防护等功能需要访问负载均衡SLB（Server Load Balancer）、专有网络VPC（Virtual Private Cloud）、云服务器ECS（Elastic Compute Service）等云服务的资源时，可通过自动创建的AHAS服务关联角色AliyunServiceRoleForAHAS获取访问权限。

权限说明

AHAS服务关联角色AliyunServiceRoleForAHAS具备的云服务的访问权限如下所示，更多权限说明请参见权限策略管理。 

        {
            "Action": [
                "ecs:DescribeInstanceAutoRenewAttribute",
                "ecs:DescribeInstances",
                "ecs:DescribeInstanceStatus",
                "ecs:DescribeInstanceVncUrl",
                "ecs:DescribeSpotPriceHistory",
                "ecs:DescribeUserdata",
                "ecs:DescribeInstanceRamRole",
                "ecs:DescribeDisks",
                "ecs:DescribeSnapshots",
                "ecs:DescribeAutoSnapshotPolicy",
                "ecs:DescribeSnapshotLinks",
                "ecs:DescribeImages",
                "ecs:DescribeImageSharePermission",
                "ecs:DescribeClassicLinkInstances",
                "ecs:AuthorizeSecurityGroup",
                "ecs:DescribeSecurityGroupAttribute",
                "ecs:DescribeSecurityGroups",
                "ecs:ModifySecurityGroupAttribute",
                "ecs:AuthorizeSecurityGroupEgress",
                "ecs:ModifySecurityGroupRule",
                "ecs:DescribeSecurityGroupReferences",
                "ecs:ModifySecurityGroupPolicy",
                "ecs:RevokeSecurityGroup",
                "ecs:DescribeNetworkInterfaces",
                "ecs:DescribeTags",
                "ecs:DescribeRegions",
                "ecs:DescribeZones",
                "ecs:DescribeInstanceMonitorData",
                "ecs:DescribeEipMonitorData",
                "ecs:DescribeDiskMonitorData",
                "ecs:DescribeInstanceTypes",
                "ecs:DescribeInstanceTypeFamilies",
                "ecs:DescribeTasks",
                "ecs:DescribeTaskAttribute",
                "ecs:DescribeInstanceAttribute",
                "ecs:InvokeCommand",
                "ecs:CreateCommand",
                "ecs:StopInvocation",
                "ecs:DeleteCommand",
                "ecs:DescribeCommands",
                "ecs:DescribeInvocations",
                "ecs:DescribeInvocationResults",
                "ecs:ModifyCommand",
                "ecs:InstallCloudAssistant",
                "ecs:CreateNetworkInterfacePermission",
                "ecs:DeleteNetworkInterfacePermission",
                "ecs:CreateNetworkInterface",
                "ecs:CreateSecurityGroup",
                "ecs:DeleteSecurityGroup",
                "ecs:ModifyNetworkInterfaceAttribute",
                "ecs:ModifyInstanceAttribute",
                "ecs:DescribeNetworkInterfaces",
                "ecs:RebootInstances",
                "ecs:StopInstances",
                "ecs:StartInstances"
            ],
            "Resource": "*",
            "Effect": "Allow"
        }
      
        {
            "Action": [
                "slb:DescribeLoadBalancers",
                "slb:DescribeLoadBalancerAttribute",
                "slb:DescribeLoadBalancerHTTPListenerAttribute",
                "slb:DescribeLoadBalancerHTTPSListenerAttribute",
                "slb:DescribeLoadBalancerTCPListenerAttribute",
                "slb:DescribeLoadBalancerUDPListenerAttribute",
                "slb:DescribeHealthStatus",
                "slb:DescribeVServerGroups",
                "slb:DescribeVServerGroupAttribute",
                "slb:DescribeTags",
                "slb:DescribeRules"
            ],
            "Resource": "*",
            "Effect": "Allow"
        }
      
        {
            "Action": [
                "vpc:DescribeVSwitches",
                "vpc:DescribeVpcs",
                "vpc:DescribeNatGateways",
                "vpc:DescribeForwardTableEntries",
                "vpc:DescribeSnatTableEntries",
                "vpc:DescribeBandwidthPackages",
                "vpc:DescribeEipAddresses",
                "vpc:DescribeEipGatewayInfo",
                "vpc:DescribeEipMonitorData"
            ],
            "Resource": "*",
            "Effect": "Allow"
        },

删除AHAS服务关联角色

如果您需要删除AHAS服务关联角色AliyunServiceRoleForAHAS，请注意删除AliyunServiceRoleForAHAS后，会影响您AHAS数据的获取。删除AliyunServiceRoleForAHAS的操作步骤如下。

说明 如果当前账号下还存在ACK集群，则需先删除这些集群，才能删除AliyunServiceRoleForAHAS，否则提示删除失败。
  1. 登录RAM控制台，在左侧导航栏中单击身份管理 > 角色。
  2. 在角色页面的搜索框中，输入AliyunServiceRoleForAHAS，自动搜索到名称为AliyunServiceRoleForAHAS的RAM角色。
  3. 在右侧操作列，单击删除。
  4. 在删除角色对话框，单击确定。
    重要 删除服务关联角色后会影响您AHAS数据的获取，请谨慎删除！

常见问题

问：为什么我的RAM用户无法自动创建AHAS服务关联角色AliyunServiceRoleForAHAS？

答：您需要拥有指定的权限才能自动创建或删除AliyunServiceRoleForAHAS。因此，在RAM用户无法自动创建AliyunServiceRoleForAHAS时，您需为其添加以下权限策略。
{
    "Statement": [
        {
            "Action": [
                "ram:CreateServiceLinkedRole"
            ],
            "Resource": "acs:ram:*:主账号ID:role/*",
            "Effect": "Allow",
            "Condition": {
                "StringEquals": {
                    "ram:ServiceName": [
                        "ahas.aliyuncs.com"
                    ]
                }
            }
        }
    ],
    "Version": "1"
}
说明 请将主账号ID替换为您实际的阿里云账号（主账号）ID。