45 lines
957 B
Go
45 lines
957 B
Go
package templates
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import (
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"errors"
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"fmt"
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"github.com/evcc-io/evcc/util"
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"gopkg.in/yaml.v3"
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)
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// Instance is an actual instantiated template
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type Instance struct {
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Type string
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Other map[string]interface{} `yaml:",inline"`
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}
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// RenderInstance renders an actual configuration instance
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func RenderInstance(class Class, other map[string]interface{}) (*Instance, error) {
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var cc struct {
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Template string
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Other map[string]interface{} `mapstructure:",remain"`
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}
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if err := util.DecodeOther(other, &cc); err != nil {
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return nil, err
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}
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tmpl, err := ByName(class, cc.Template)
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if err != nil {
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return nil, err
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}
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b, _, err := tmpl.RenderResult(TemplateRenderModeInstance, other)
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if err != nil {
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return nil, err
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}
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fmt.Println(string(b))
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var instance Instance
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if err = yaml.Unmarshal(b, &instance); err == nil && instance.Type == "" {
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err = errors.New("empty instance type- check for missing usage")
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}
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return &instance, err
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}
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