IAM PolicyDocument would be a useful type to have

[crewjam]

https://github.com/crewjam/etcd-aws/blob/master/aws/iam.go

type PolicyDocument struct {
    Version   string `json:",omitempty"`
    Statement []Policy
}

type Policy struct {
    Sid            string              `json:",omitempty"`
    Effect         string              `json:",omitempty"`
    Principal      *Principal          `json:",omitempty"`
    Action         *cfn.StringListExpr `json:",omitempty"`
    Resource       *cfn.StringListExpr `json:",omitempty"`
    ConditionBlock interface{}         `json:",omitempty"`
}

type Principal struct {
    Service *cfn.StringListExpr `json:",omitempty"`
}

[crewjam]

duplicate of #4