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# AmazonElasticMapReduceforEC2Role
<a name="AmazonElasticMapReduceforEC2Role"></a>

**描述**：适用于 EC2 的 Amazon Elastic 服务角色 MapReduce 的默认策略。

`AmazonElasticMapReduceforEC2Role` 是一项 [AWS 托管式策略](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_managed-vs-inline.html#aws-managed-policies)。

## 使用此策略
<a name="AmazonElasticMapReduceforEC2Role-how-to-use"></a>

您可以将 `AmazonElasticMapReduceforEC2Role` 附加到您的用户、组和角色。

## 策略详细信息
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+ **类型**：服务角色策略 
+ **创建时间**：2015 年 2 月 6 日 18:41 UTC 
+ **编辑时间：**2017 年 8 月 11 日 23:57 UTC
+ **ARN**: `arn:aws:iam::aws:policy/service-role/AmazonElasticMapReduceforEC2Role`

## 策略版本
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**策略版本：**v3（默认）

此策略的默认版本是定义策略权限的版本。当使用该策略的用户或角色请求访问 AWS 资源时， AWS 会检查策略的默认版本以确定是否允许该请求。

## JSON 策略文档
<a name="AmazonElasticMapReduceforEC2Role-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Effect" : "Allow",
      "Resource" : "*",
      "Action" : [
        "cloudwatch:*",
        "dynamodb:*",
        "ec2:Describe*",
        "elasticmapreduce:Describe*",
        "elasticmapreduce:ListBootstrapActions",
        "elasticmapreduce:ListClusters",
        "elasticmapreduce:ListInstanceGroups",
        "elasticmapreduce:ListInstances",
        "elasticmapreduce:ListSteps",
        "kinesis:CreateStream",
        "kinesis:DeleteStream",
        "kinesis:DescribeStream",
        "kinesis:GetRecords",
        "kinesis:GetShardIterator",
        "kinesis:MergeShards",
        "kinesis:PutRecord",
        "kinesis:SplitShard",
        "rds:Describe*",
        "s3:*",
        "sdb:*",
        "sns:*",
        "sqs:*",
        "glue:CreateDatabase",
        "glue:UpdateDatabase",
        "glue:DeleteDatabase",
        "glue:GetDatabase",
        "glue:GetDatabases",
        "glue:CreateTable",
        "glue:UpdateTable",
        "glue:DeleteTable",
        "glue:GetTable",
        "glue:GetTables",
        "glue:GetTableVersions",
        "glue:CreatePartition",
        "glue:BatchCreatePartition",
        "glue:UpdatePartition",
        "glue:DeletePartition",
        "glue:BatchDeletePartition",
        "glue:GetPartition",
        "glue:GetPartitions",
        "glue:BatchGetPartition",
        "glue:CreateUserDefinedFunction",
        "glue:UpdateUserDefinedFunction",
        "glue:DeleteUserDefinedFunction",
        "glue:GetUserDefinedFunction",
        "glue:GetUserDefinedFunctions"
      ]
    }
  ]
}
```

## 了解详情
<a name="AmazonElasticMapReduceforEC2Role-learn-more"></a>
+ [在 IAM 身份中心使用 AWS 托管策略创建权限集](https://docs.aws.amazon.com/singlesignon/latest/userguide/howtocreatepermissionset.html) 
+ [添加和删除 IAM 身份权限](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_manage-attach-detach.html) 
+ [了解 IAM policy 版本控制](https://docs.aws.amazon.com//IAM/latest/UserGuide/access_policies_managed-versioning.html)
+ [开始使用 AWS 托管策略，转向最低权限权限](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html#bp-use-aws-defined-policies)