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values.go
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/
values.go
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package template
import (
"os"
"github.com/ghodss/yaml"
"github.com/imdario/mergo"
)
// Values are passed to templates while rendering.
type Values map[string]interface{}
// Merge merges other on top of v. Non-zero fields in other will override the
// same fields in v.
func (v Values) Merge(other Values) error {
return mergo.Merge(&v, other, mergo.WithOverride)
}
// MergeValues merges values on top of each other from left to right. Returns a
// new Values map.
func MergeValues(values ...Values) (Values, error) {
vals := Values{}
for _, other := range values {
err := vals.Merge(other)
if err != nil {
return nil, err
}
}
return vals, nil
}
// LoadValues loads values from a file.
func LoadValues(path string) (Values, error) {
var values Values
buf, err := os.ReadFile(path)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(buf, &values)
if err != nil {
return nil, err
}
return values, nil
}