Rewrote generators to use plugin system with default plugins

internal/generator/plugins/conman/conman.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+
+	configurator "github.com/OpenCHAMI/configurator/internal"
+	"github.com/OpenCHAMI/configurator/internal/generator"
+	"github.com/OpenCHAMI/configurator/internal/util"
+	"github.com/nikolalohinski/gonja/v2"
+	"github.com/nikolalohinski/gonja/v2/exec"
+)
+
+type Conman struct{}
+
+func (g *Conman) GetName() string {
+	return "conman"
+}
+
+func (g *Conman) GetGroups() []string {
+	return []string{"conman"}
+}
+
+func (g *Conman) Generate(config *configurator.Config, opts ...util.Option) ([]byte, error) {
+	params := generator.GetParams(opts...)
+	var (
+		template = params["template"].(string)
+		path     = config.TemplatePaths[template]
+	)
+	data := exec.NewContext(map[string]any{})
+
+	t, err := gonja.FromFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read template from file: %v", err)
+	}
+	output := "# ========== GENERATED BY OCHAMI CONFIGURATOR ==========\n"
+	output += "# ======================================================"
+	b := bytes.Buffer{}
+	if err = t.Execute(&b, data); err != nil {
+		return nil, fmt.Errorf("failed to execute: %v", err)
+	}
+
+	return b.Bytes(), nil
+}
+
+var Generator Conman