drone-yaml/yaml/param.go
2019-04-24 01:08:44 +02:00

59 lines
1.6 KiB
Go

// Copyright 2019 Drone IO, Inc.
//
// 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 yaml
type (
// Parameter represents an configuration parameter that
// can be defined as a literal or as a reference
// to a secret.
Parameter struct {
Value interface{} `json:"value,omitempty"`
Secret string `json:"from_secret,omitempty" yaml:"from_secret"`
}
// parameter is a tempoary type used to unmarshal
// parameters with references to secrets.
parameter struct {
Secret string `yaml:"from_secret"`
}
)
// UnmarshalYAML implements yaml unmarshalling.
func (p *Parameter) UnmarshalYAML(unmarshal func(interface{}) error) error {
d := new(parameter)
err := unmarshal(d)
if err == nil && d.Secret != "" {
p.Secret = d.Secret
return nil
}
var i interface{}
err = unmarshal(&i)
p.Value = i
return err
}
// MarshalYAML implements yaml marshalling.
func (p *Parameter) MarshalYAML() (interface{}, error) {
if p.Secret != "" {
m := map[string]interface{}{}
m["from_secret"] = p.Secret
return m, nil
}
if p.Value != "" {
return p.Value, nil
}
return nil, nil
}