add auto init/unseal for vault

pkg/templates/utility.go

@@ -0,0 +1,54 @@
+package templates
+
+import (
+	"bytes"
+	"embed"
+	"kube-forge/pkg/config"
+	"kube-forge/pkg/resources"
+	"os"
+	"path/filepath"
+	"text/template"
+)
+
+func executeTemplateToString(template *template.Template, config *config.Config) string {
+	templateResult := &bytes.Buffer{}
+	err := template.Execute(templateResult, config)
+	if err != nil {
+		panic(err)
+	}
+	templateResultString := templateResult.String()
+	return templateResultString
+}
+
+func getTemplateFromEmbedFSFolder(embedFS embed.FS, templateFile string) *template.Template {
+	templateData, err := embedFS.ReadFile(templateFile)
+	if err != nil {
+		panic(err)
+	}
+	templateDataString := string(templateData)
+	template, err := template.New("tmpl").Funcs(funcMap()).Parse(templateDataString)
+	if err != nil {
+		panic(err)
+	}
+	return template
+}
+
+func applyTemplates(templates [][2]string) {
+	config := config.GetConfig()
+	for _, templateData := range templates {
+		var templateFile = templateData[0]
+		var outFile = filepath.Join(config.WorkDir, templateData[1])
+
+		tmpl := getTemplateFromEmbedFSFolder(resources.Templates, templateFile)
+
+		file, err := os.Create(outFile)
+		if err != nil {
+			panic(err)
+		}
+		defer file.Close()
+		err = tmpl.Execute(file, config)
+		if err != nil {
+			panic(err)
+		}
+	}
+}