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

**Description**: Permissions required by Keyspaces for cross-region data replication

`KeyspacesReplicationServiceRolePolicy` 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="KeyspacesReplicationServiceRolePolicy-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="KeyspacesReplicationServiceRolePolicy-details"></a>
+ **Type**: Service-linked role policy 
+ **Creation time**: May 02, 2023, 16:15 UTC 
+ **Edited time:** November 15, 2024, 20:55 UTC
+ **ARN**: `arn:aws:iam::aws:policy/aws-service-role/KeyspacesReplicationServiceRolePolicy`

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

**Policy version:** v2 (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="KeyspacesReplicationServiceRolePolicy-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Sid" : "KeyspacesActionsNeededForSteadyStateReplication",
      "Effect" : "Allow",
      "Action" : [
        "cassandra:Select",
        "cassandra:Modify",
        "cassandra:Alter",
        "cassandra:ModifyMultiRegionResource",
        "cassandra:SelectMultiRegionResource",
        "cassandra:AlterMultiRegionResource",
        "application-autoscaling:RegisterScalableTarget",
        "application-autoscaling:DeregisterScalableTarget",
        "application-autoscaling:DescribeScalableTargets",
        "application-autoscaling:DescribeScalingPolicies",
        "application-autoscaling:PutScalingPolicy"
      ],
      "Resource" : "*"
    },
    {
      "Sid" : "CWDeleteAlarmPolicy",
      "Effect" : "Allow",
      "Action" : [
        "cloudwatch:DeleteAlarms"
      ],
      "Resource" : "arn:aws:cloudwatch:*:*:alarm:TargetTracking-*"
    },
    {
      "Sid" : "CWDescribeAlarmPolicy",
      "Effect" : "Allow",
      "Action" : [
        "cloudwatch:DescribeAlarms"
      ],
      "Resource" : "arn:aws:cloudwatch:*:*:alarm:*"
    },
    {
      "Sid" : "CWPutMetricAlarmPolicy",
      "Effect" : "Allow",
      "Action" : [
        "cloudwatch:PutMetricAlarm"
      ],
      "Resource" : "arn:aws:cloudwatch:*:*:alarm:TargetTracking-*",
      "Condition" : {
        "ForAllValues:StringLike" : {
          "cloudwatch:AlarmActions" : [
            "arn:aws:autoscaling:*:*:scalingPolicy:*:resource/cassandra/keyspace/*/table/*:policyName/*:createdBy/*"
          ]
        }
      }
    }
  ]
}
```

## Learn more
<a name="KeyspacesReplicationServiceRolePolicy-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)