AWSServiceRoleForNeptuneGraphPolicy  Amazon managed policy

The AWSServiceRoleForNeptuneGraphPolicy managed policy below gives graphs access to CloudWatch to publish operational and usage metrics and logs. See nan-service-linked-roles.

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "GraphMetrics",
      "Effect": "Allow",
      "Action": [
        "cloudwatch:PutMetricData"
      ],
      "Resource": "*",
      "Condition": {
        "StringEquals": {
          "cloudwatch:namespace": [
            "AWS/Neptune",
            "AWS/Usage"
          ]
        }
      }
    },
    {
      "Sid": "GraphLogGroup",
      "Effect": "Allow",
      "Action": [
        "logs:CreateLogGroup"
      ],
      "Resource": [
        "arn:aws:logs:*:*:log-group:/aws/neptune/*"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      }
    },
    {
      "Sid": "GraphLogEvents",
      "Effect": "Allow",
      "Action": [
        "logs:CreateLogStream",
        "logs:PutLogEvents",
        "logs:DescribeLogStreams"
      ],
      "Resource": [
        "arn:aws:logs:*:*:log-group:/aws/neptune/*:log-stream:*"
      ],
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      }
    }
  ]
}