Updated generator plugins to reflect generator changes

internal/generator/plugins/warewulf/warewulf.go

@@ -1,12 +1,12 @@
 package main
 
 import (
-	"bytes"
 	"fmt"
+	"maps"
 
 	configurator "github.com/OpenCHAMI/configurator/internal"
-	"github.com/nikolalohinski/gonja/v2"
-	"github.com/nikolalohinski/gonja/v2/exec"
+	"github.com/OpenCHAMI/configurator/internal/generator"
+	"github.com/OpenCHAMI/configurator/internal/util"
 )
 
 type Warewulf struct{}
@@ -19,26 +19,53 @@ func (g *Warewulf) GetGroups() []string {
 	return []string{"warewulf"}
 }
 
-func (g *Warewulf) Generate(config *configurator.Config, template string) ([]byte, error) {
+func (g *Warewulf) Generate(config *configurator.Config, opts ...util.Option) (generator.Files, error) {
 	var (
-		path = config.TemplatePaths[template]
+		params    = generator.GetParams(opts...)
+		client    = generator.GetClient(params)
+		targetKey = params["target"].(string)
+		target    = config.Targets[targetKey]
+		outputs   = make(generator.Files, len(target.FilePaths)+len(target.Templates))
 	)
 
-	t, err := gonja.FromFile(path)
-	if err != nil {
-		return nil, fmt.Errorf("failed to read template from file: %v", err)
+	// check if our client is included and is valid
+	if client == nil {
+		return nil, fmt.Errorf("invalid client (client is nil)")
 	}
-	output := "# ========== GENERATED BY OCHAMI CONFIGURATOR ==========\n"
 
-	output += "# ======================================================"
-	data := exec.NewContext(map[string]any{
-		"hosts": output,
-	})
-	b := bytes.Buffer{}
-	if err = t.Execute(&b, data); err != nil {
-		return nil, fmt.Errorf("failed to execute: %v", err)
+	// fetch redfish endpoints and handle errors
+	eps, err := client.FetchRedfishEndpoints(opts...)
+	if err != nil {
+		return nil, fmt.Errorf("failed to fetch redfish endpoints: %v", err)
 	}
-	return nil, nil
+	if len(eps) <= 0 {
+		return nil, fmt.Errorf("no redfish endpoints found")
+	}
+
+	// load files and templates and copy to outputs
+	files, err := generator.LoadFiles(target.FilePaths...)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load files: %v", err)
+	}
+	templates, err := generator.ApplyTemplates(generator.Mappings{}, target.Templates...)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load templates: %v", err)
+	}
+
+	maps.Copy(outputs, files)
+	maps.Copy(outputs, templates)
+
+	// print message if verbose param is found
+	if verbose, ok := params["verbose"].(bool); ok {
+		if verbose {
+			fmt.Printf("templates and files loaded: \n")
+			for path, _ := range outputs {
+				fmt.Printf("\t%s", path)
+			}
+		}
+	}
+
+	return outputs, err
 }
 
 var Generator Warewulf