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

**描述**：提供对 Amazon DocumentDB（兼容 MongoDB）的只读访问权限。请注意，该策略还授予对 Amazon RDS 和 Amazon Neptune 资源的访问权限。

`AmazonDocDBReadOnlyAccess` 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="AmazonDocDBReadOnlyAccess-how-to-use"></a>

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

## 策略详细信息
<a name="AmazonDocDBReadOnlyAccess-details"></a>
+ **类型**： AWS 托管策略 
+ **创建时间**：2019 年 1 月 9 日 20:30 UTC 
+ **编辑时间：**2019 年 1 月 9 日 20:30 UTC
+ **ARN**: `arn:aws:iam::aws:policy/AmazonDocDBReadOnlyAccess`

## 策略版本
<a name="AmazonDocDBReadOnlyAccess-version"></a>

**策略版本：**v1（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="AmazonDocDBReadOnlyAccess-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Action" : [
        "rds:DescribeAccountAttributes",
        "rds:DescribeCertificates",
        "rds:DescribeDBClusterParameterGroups",
        "rds:DescribeDBClusterParameters",
        "rds:DescribeDBClusterSnapshotAttributes",
        "rds:DescribeDBClusterSnapshots",
        "rds:DescribeDBClusters",
        "rds:DescribeDBEngineVersions",
        "rds:DescribeDBInstances",
        "rds:DescribeDBLogFiles",
        "rds:DescribeDBParameterGroups",
        "rds:DescribeDBParameters",
        "rds:DescribeDBSubnetGroups",
        "rds:DescribeEventCategories",
        "rds:DescribeEventSubscriptions",
        "rds:DescribeEvents",
        "rds:DescribeOrderableDBInstanceOptions",
        "rds:DescribePendingMaintenanceActions",
        "rds:DownloadDBLogFilePortion",
        "rds:ListTagsForResource"
      ],
      "Effect" : "Allow",
      "Resource" : "*"
    },
    {
      "Action" : [
        "cloudwatch:GetMetricStatistics",
        "cloudwatch:ListMetrics"
      ],
      "Effect" : "Allow",
      "Resource" : "*"
    },
    {
      "Action" : [
        "ec2:DescribeAccountAttributes",
        "ec2:DescribeAvailabilityZones",
        "ec2:DescribeInternetGateways",
        "ec2:DescribeSecurityGroups",
        "ec2:DescribeSubnets",
        "ec2:DescribeVpcAttribute",
        "ec2:DescribeVpcs"
      ],
      "Effect" : "Allow",
      "Resource" : "*"
    },
    {
      "Action" : [
        "kms:ListKeys",
        "kms:ListRetirableGrants",
        "kms:ListAliases",
        "kms:ListKeyPolicies"
      ],
      "Effect" : "Allow",
      "Resource" : "*"
    },
    {
      "Action" : [
        "logs:DescribeLogStreams",
        "logs:GetLogEvents"
      ],
      "Effect" : "Allow",
      "Resource" : [
        "arn:aws:logs:*:*:log-group:/aws/rds/*:log-stream:*",
        "arn:aws:logs:*:*:log-group:/aws/docdb/*:log-stream:*"
      ]
    }
  ]
}
```

## 了解详情
<a name="AmazonDocDBReadOnlyAccess-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)