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

**Description**: A service-linked role required for Amazon CodeGuru Reviewer to access resources on your behalf.

`AmazonCodeGuruReviewerServiceRolePolicy` 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="AmazonCodeGuruReviewerServiceRolePolicy-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="AmazonCodeGuruReviewerServiceRolePolicy-details"></a>
+ **Type**: Service-linked role policy 
+ **Creation time**: December 03, 2019, 05:31 UTC 
+ **Edited time:** November 27, 2020, 15:09 UTC
+ **ARN**: `arn:aws:iam::aws:policy/aws-service-role/AmazonCodeGuruReviewerServiceRolePolicy`

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

**Policy version:** v4 (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="AmazonCodeGuruReviewerServiceRolePolicy-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Sid" : "AccessCodeGuruReviewerEnabledRepositories",
      "Effect" : "Allow",
      "Action" : [
        "codecommit:GetRepository",
        "codecommit:GetBranch",
        "codecommit:DescribePullRequestEvents",
        "codecommit:GetCommentsForPullRequest",
        "codecommit:GetDifferences",
        "codecommit:GetPullRequest",
        "codecommit:ListPullRequests",
        "codecommit:PostCommentForPullRequest",
        "codecommit:GitPull",
        "codecommit:UntagResource"
      ],
      "Resource" : "*",
      "Condition" : {
        "StringLike" : {
          "aws:ResourceTag/codeguru-reviewer" : "enabled"
        }
      }
    },
    {
      "Sid" : "AccessCodeGuruReviewerEnabledConnections",
      "Effect" : "Allow",
      "Action" : [
        "codestar-connections:UseConnection"
      ],
      "Resource" : "*",
      "Condition" : {
        "ForAllValues:StringEquals" : {
          "codestar-connections:ProviderAction" : [
            "ListBranches",
            "GetBranch",
            "ListRepositories",
            "ListOwners",
            "ListPullRequests",
            "GetPullRequest",
            "ListPullRequestComments",
            "ListPullRequestCommits",
            "ListCommitFiles",
            "ListBranchCommits",
            "CreatePullRequestDiffComment",
            "GitPull"
          ]
        },
        "Null" : {
          "aws:ResourceTag/codeguru-reviewer" : "false"
        }
      }
    },
    {
      "Sid" : "CloudWatchEventsResourceCleanup",
      "Effect" : "Allow",
      "Action" : [
        "events:DeleteRule",
        "events:RemoveTargets"
      ],
      "Resource" : "*",
      "Condition" : {
        "StringEquals" : {
          "events:ManagedBy" : "codeguru-reviewer.amazonaws.com"
        }
      }
    },
    {
      "Sid" : "AllowGuruS3GetObject",
      "Effect" : "Allow",
      "Action" : [
        "s3:GetObject"
      ],
      "Resource" : [
        "arn:aws:s3:::codeguru-reviewer-*",
        "arn:aws:s3:::codeguru-reviewer-*/*"
      ]
    }
  ]
}
```

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