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template_executor.go
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/
template_executor.go
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package tools
import (
"github.com/Masterminds/sprig/v3"
log "github.com/sirupsen/logrus"
"html/template"
"io"
)
type TemplateExecutor interface {
ExecuteTemplate(w io.Writer, name string, data interface{}) error
}
type DebugTemplateExecutor struct {
Patterns []string
}
func (e DebugTemplateExecutor) ExecuteTemplate(w io.Writer, name string, data interface{}) error {
if len(e.Patterns) == 0 {
panic("Provide at least one pattern for the debug template executor.")
}
var t, err = template.New("base").Funcs(sprig.FuncMap()).ParseGlob(e.Patterns[0])
if err != nil {
log.Print("Failed to load pattern: '" + e.Patterns[0] + "'. Error: " + err.Error())
}
for i := 1; i < len(e.Patterns); i++ {
pattern := e.Patterns[i]
_, err := t.ParseGlob(pattern)
if err != nil {
log.Print("Failed to load pattern: '" + pattern + "'. Error: " + err.Error())
}
}
return t.ExecuteTemplate(w, name, data)
}
type ReleaseTemplateExecutor struct {
Template *template.Template
}
func (e ReleaseTemplateExecutor) ExecuteTemplate(w io.Writer, name string, data interface{}) error {
return e.Template.ExecuteTemplate(w, name, data)
}