helmfile/tmpl/file.go

44 lines
1006 B
Go

package tmpl
import (
"bytes"
"github.com/roboll/helmfile/environment"
)
type templateFileRenderer struct {
ReadFile func(string) ([]byte, error)
Context *Context
Data TemplateData
}
type TemplateData struct {
// Environment is accessible as `.Environment` from any template executed by the renderer
Environment environment.Environment
}
type FileRenderer interface {
RenderTemplateFileToBuffer(file string) (*bytes.Buffer, error)
}
func NewFileRenderer(readFile func(filename string) ([]byte, error), basePath string, env environment.Environment) *templateFileRenderer {
return &templateFileRenderer{
ReadFile: readFile,
Context: &Context{
basePath: basePath,
readFile: readFile,
},
Data: TemplateData{
Environment: env,
},
}
}
func (r *templateFileRenderer) RenderTemplateFileToBuffer(file string) (*bytes.Buffer, error) {
content, err := r.ReadFile(file)
if err != nil {
return nil, err
}
return r.Context.RenderTemplateToBuffer(string(content), r.Data)
}