drone-yaml/yaml/param.go

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// Copyright (c) 2019, Drone IO Inc.
// Copyright (c) 2021, Robert Kaussow <mail@thegeeklab.de>
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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"`
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Secret string `json:"from_secret,omitempty" yaml:"from_secret"`
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}
// parameter is a tempoary type used to unmarshal
// parameters with references to secrets.
parameter struct {
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Secret string `yaml:"from_secret"`
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}
)
// UnmarshalYAML implements yaml unmarshalling.
func (p *Parameter) UnmarshalYAML(unmarshal func(interface{}) error) error {
d := new(parameter)
err := unmarshal(d)
if err == nil && d.Secret != "" {
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p.Secret = d.Secret
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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
}