mirror of https://github.com/kubernetes/kops.git
94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
/*
|
|
Copyright 2017 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package cloudformation
|
|
|
|
import (
|
|
"encoding/json"
|
|
)
|
|
|
|
type Literal struct {
|
|
json interface{}
|
|
}
|
|
|
|
var _ json.Marshaler = &Literal{}
|
|
|
|
func (l *Literal) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(&l.json)
|
|
}
|
|
|
|
func (l *Literal) extractRef() string {
|
|
m, ok := l.json.(map[string]interface{})
|
|
if !ok {
|
|
return ""
|
|
}
|
|
ref := m["Ref"]
|
|
if ref == nil {
|
|
return ""
|
|
}
|
|
s, ok := ref.(string)
|
|
if !ok {
|
|
return ""
|
|
}
|
|
return s
|
|
}
|
|
|
|
func literalRef(s string) *Literal {
|
|
j := make(map[string]interface{})
|
|
j["Ref"] = s
|
|
return &Literal{json: j}
|
|
}
|
|
|
|
func Ref(resourceType, resourceName string) *Literal {
|
|
return literalRef(sanitizeCloudformationResourceName(resourceType + "::" + resourceName))
|
|
}
|
|
|
|
func GetAtt(resourceType, resourceName string, attribute string) *Literal {
|
|
path := []string{
|
|
sanitizeCloudformationResourceName(resourceType + "::" + resourceName),
|
|
attribute,
|
|
}
|
|
j := make(map[string]interface{})
|
|
j["Fn::GetAtt"] = path
|
|
return &Literal{json: j}
|
|
}
|
|
|
|
func LiteralString(v string) *Literal {
|
|
j := &v
|
|
return &Literal{json: j}
|
|
}
|
|
|
|
//
|
|
//func LiteralSelfLink(resourceType, resourceName string) *Literal {
|
|
// return LiteralProperty(resourceType, resourceName, "self_link")
|
|
//}
|
|
//
|
|
//
|
|
//func DefaultProperty(resourceType, resourceName string) *Literal {
|
|
// return LiteralProperty(resourceType, resourceName, "")
|
|
//}
|
|
//
|
|
//func LiteralProperty(resourceType, resourceName, prop string) *Literal {
|
|
// tfName := sanitizeCloudformationResourceName( resourceType + "::" + resourceName)
|
|
//
|
|
// expr := "${" + resourceType + "." + tfName + "." + prop + "}"
|
|
// return LiteralExpression(expr)
|
|
//}
|
|
//
|
|
//func LiteralFromStringValue(s string) *Literal {
|
|
// return &Literal{value: s}
|
|
//}
|