import nodes from file

internal/app/wwctl/node/imprt/main.go

@@ -0,0 +1,46 @@
+package imprt
+
+import (
+	"fmt"
+	"io"
+	"os"
+
+	apinode "github.com/hpcng/warewulf/internal/pkg/api/node"
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	apiutil "github.com/hpcng/warewulf/internal/pkg/api/util"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v2"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+	file, err := os.Open(args[0])
+	if err != nil {
+		wwlog.Error("Could not open file:%s \n", err)
+		os.Exit(1)
+	}
+	defer file.Close()
+
+	importMap := make(map[string]*node.NodeConf)
+	buffer, err := io.ReadAll(file)
+	if err != nil {
+		wwlog.Error("Could not read:%s\n", err)
+		os.Exit(1)
+	}
+	err = yaml.Unmarshal(buffer, importMap)
+	if err == nil {
+		yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Are you sure you want to modify %d nodes", len(importMap)))
+		if yes {
+			err = apinode.NodeAddFromYaml(&wwapiv1.NodeYaml{NodeConfMapYaml: string(buffer)})
+			if err != nil {
+				wwlog.Error("Got following problem when writing back yaml: %s", err)
+				os.Exit(1)
+			}
+		}
+	} else {
+		wwlog.Error("Could not parse import file")
+	}
+
+	return nil
+}