{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "RunInstance",
      "Effect": "Allow",
      "Action": "ec2:RunInstances",
      "Resource": "*",
      "Condition": {
        "StringLikeIfExists": {
          "ec2:InstanceType": [
            "t1.*",
            "t2.*",
            "m3.*"
          ]}}
    },
    {
      "Sid": "DescribeActions",
      "Effect": "Allow",
      "Action": [
        "ec2:DescribeImages",
        "ec2:DescribeInstances",
        "ec2:DescribeVpcs",
        "ec2:DescribeKeyPairs",
        "ec2:DescribeSubnets",
        "ec2:DescribeSecurityGroups"
      ],
      "Resource": "*"
    }]
}