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

**Description**: Policy granting permissions to Application Auto Scaling to access Amazon Neptune and Amazon CloudWatch.

`AWSApplicationAutoscalingNeptuneClusterPolicy` is an [AWS managed policy](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_managed-vs-inline.html#aws-managed-policies).

## Using this policy
<a name="AWSApplicationAutoscalingNeptuneClusterPolicy-how-to-use"></a>

This policy is attached to a service-linked role that allows the service to perform actions on your behalf. You cannot attach this policy to your users, groups, or roles.

## Policy details
<a name="AWSApplicationAutoscalingNeptuneClusterPolicy-details"></a>
+ **Type**: Service-linked role policy 
+ **Creation time**: September 02, 2021, 21:14 UTC 
+ **Edited time:** September 02, 2021, 21:14 UTC
+ **ARN**: `arn:aws:iam::aws:policy/aws-service-role/AWSApplicationAutoscalingNeptuneClusterPolicy`

## Policy version
<a name="AWSApplicationAutoscalingNeptuneClusterPolicy-version"></a>

**Policy version:** v1 (default)

The policy's default version is the version that defines the permissions for the policy. When a user or role with the policy makes a request to access an AWS resource, AWS checks the default version of the policy to determine whether to allow the request. 

## JSON policy document
<a name="AWSApplicationAutoscalingNeptuneClusterPolicy-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Effect" : "Allow",
      "Action" : [
        "rds:ListTagsForResource",
        "rds:DescribeDBInstances",
        "rds:DescribeDBClusters",
        "rds:DescribeDBClusterParameters",
        "cloudwatch:DescribeAlarms"
      ],
      "Resource" : [
        "*"
      ]
    },
    {
      "Effect" : "Allow",
      "Action" : "rds:AddTagsToResource",
      "Resource" : [
        "arn:aws:rds:*:*:db:autoscaled-reader*"
      ],
      "Condition" : {
        "StringEquals" : {
          "rds:DatabaseEngine" : "neptune"
        }
      }
    },
    {
      "Effect" : "Allow",
      "Action" : "rds:CreateDBInstance",
      "Resource" : [
        "arn:aws:rds:*:*:db:autoscaled-reader*",
        "arn:aws:rds:*:*:cluster:*"
      ],
      "Condition" : {
        "StringEquals" : {
          "rds:DatabaseEngine" : "neptune"
        }
      }
    },
    {
      "Effect" : "Allow",
      "Action" : [
        "rds:DeleteDBInstance"
      ],
      "Resource" : [
        "arn:aws:rds:*:*:db:autoscaled-reader*"
      ]
    },
    {
      "Effect" : "Allow",
      "Action" : [
        "cloudwatch:PutMetricAlarm",
        "cloudwatch:DeleteAlarms"
      ],
      "Resource" : [
        "arn:aws:cloudwatch:*:*:alarm:TargetTracking*"
      ]
    }
  ]
}
```

## Learn more
<a name="AWSApplicationAutoscalingNeptuneClusterPolicy-learn-more"></a>
+ [Understand versioning for IAM policies](https://docs.aws.amazon.com//IAM/latest/UserGuide/access_policies_managed-versioning.html)
+ [Get started with AWS managed policies and move toward least-privilege permissions](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html#bp-use-aws-defined-policies)