Files
kubernetes/pkg/cloudcfg/parse.go
2014-06-12 17:23:28 -07:00

42 lines
1.2 KiB
Go

package cloudcfg
import (
"encoding/json"
"fmt"
"reflect"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"gopkg.in/v1/yaml"
)
var storageToType = map[string]reflect.Type{
"pods": reflect.TypeOf(api.Pod{}),
"services": reflect.TypeOf(api.Service{}),
"replicationControllers": reflect.TypeOf(api.ReplicationController{}),
}
// Takes input 'data' as either json or yaml, checks that it parses as the
// appropriate object type, and returns json for sending to the API or an
// error.
func ToWireFormat(data []byte, storage string) ([]byte, error) {
prototypeType, found := storageToType[storage]
if !found {
return nil, fmt.Errorf("unknown storage type: %v", storage)
}
// Try parsing as json and yaml
parsed_json := reflect.New(prototypeType).Interface()
json_err := json.Unmarshal(data, parsed_json)
parsed_yaml := reflect.New(prototypeType).Interface()
yaml_err := yaml.Unmarshal(data, parsed_yaml)
if json_err != nil && yaml_err != nil {
return nil, fmt.Errorf("Could not parse input as json (error: %v) or yaml (error: %v", json_err, yaml_err)
}
if json_err != nil {
return json.Marshal(parsed_json)
}
return json.Marshal(parsed_yaml)
}