{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "AllowReadOnlyAccessEC2Resource",
      "Effect": "Allow",
      "Action": [
        "ec2:DescribeVpcs",
        "ec2:DescribeVpcAttribute",
        "ec2:DescribeVpcEndpoints",
        "ec2:DescribeSubnets",
        "ec2:DescribeSecurityGroups",
        "ec2:DescribeInstances",
        "ec2:DescribeInternetGateways",
        "ec2:DescribeInstanceStatus",
        "ec2:DescribeNetworkAcls"
      ],
      "Resource": "*"
    },
    {
      "Sid": "AllowGetConsoleOutput",
      "Effect": "Allow",
      "Action": [
        "ec2:GetConsoleOutput"
      ],
      "Resource": "*",
      "Condition": {
        "StringEquals": {
          "aws:ResourceAccount": "${aws:PrincipalAccount}"
        }
      }
    },
    {
      "Sid": "AllowReadOnlyAccessSSMResource",
      "Effect": "Allow",
      "Action": [
        "ssm:DescribeAutomationStepExecutions",
        "ssm:DescribeInstanceInformation",
        "ssm:DescribeAutomationExecutions",
        "ssm:DescribeActivations",
        "ssm:GetAutomationExecution",
        "ssm:GetServiceSetting"
      ],
      "Resource": "*"
    },
    {
      "Sid": "AllowReadOnlyAccessIAMResource",
      "Effect": "Allow",
      "Action": [
        "iam:GetInstanceProfile",
        "iam:GetRole",
        "iam:SimulatePrincipalPolicy"
      ],
      "Resource": "*"
    },
    {
      "Sid": "AllowExecuteSSMAutomation",
      "Effect": "Allow",
      "Action": [
        "ssm:StartAutomationExecution"
      ],
      "Resource": [
        "arn:aws:ssm:*:*:document/AWS-*UnmanagedEC2*",
        "arn:aws:ssm:*:*:document/AWS-DiagnoseHybridActivationIssues",
        "arn:aws:ssm:*:*:automation-execution/*",
        "arn:aws:ssm:*:*:automation-definition/AWS-*UnmanagedEC2*:*",
        "arn:aws:ssm:*:*:automation-definition/AWS-DiagnoseHybridActivationIssues:*"
      ]
    },
    {
      "Sid": "AllowKMSOperations",
      "Effect": "Allow",
      "Action": [
        "kms:Decrypt",
        "kms:GenerateDataKey"
      ],
      "Resource": "arn:aws:kms:*:*:key/*",
      "Condition": {
        "StringEquals": {
          "aws:ResourceTag/SystemsManagerManaged": "true"
        },
        "ArnLike": {
          "kms:EncryptionContext:aws:s3:arn": "arn:aws:s3:::do-not-delete-ssm-diagnosis-*"
        },
        "StringLike": {
          "kms:ViaService": "s3.*.amazonaws.com"
        },
        "Bool": {
          "aws:ViaAWSService": "true"
        }
      }
    },
    {
      "Sid": "AllowPassRoleOnSelfToSsm",
      "Effect": "Allow",
      "Action": "iam:PassRole",
      "Resource": "arn:aws:iam::*:role/AWS-SSM-DiagnosisExecutionRole*",
      "Condition": {
        "StringEquals": {
          "iam:PassedToService": "ssm.amazonaws.com"
        }
      }
    }
  ]
}