Optimized sorting methods across nodes and profiles

internal/app/wwctl/node/console/power.go

@@ -1,6 +1,7 @@
 package console
 
 import (
+	"fmt"
 	"os"
 
 	"github.com/hpcng/warewulf/internal/pkg/node"
@@ -11,27 +12,32 @@ import (
 
 func CobraRunE(cmd *cobra.Command, args []string) error {
 	var returnErr error = nil
-	var nodeList []node.NodeInfo
 
-	n, err := node.New()
+	nodeDB, err := node.New()
 	if err != nil {
 		wwlog.Printf(wwlog.ERROR, "Could not open node configuration: %s\n", err)
 		os.Exit(1)
 	}
 
-	if len(args) == 1 {
-		nodeList, _ = n.SearchByName(args[0])
+	nodes, err := nodeDB.FindAllNodes()
+	if err != nil {
+		wwlog.Printf(wwlog.ERROR, "Cloud not get nodeList: %s\n", err)
+		os.Exit(1)
+	}
+
+	if len(args) > 0 {
+		nodes = node.FilterByName(nodes, args)
 	} else {
-		wwlog.Printf(wwlog.ERROR, "Please specify a node\n")
-		os.Exit(255)
+		cmd.Usage()
+		os.Exit(1)
 	}
 
-	if len(nodeList) == 0 {
-		wwlog.Printf(wwlog.ERROR, "No nodes found matching: '%s'\n", args[0])
-		os.Exit(255)
+	if len(nodes) == 0 {
+		fmt.Printf("No nodes found\n")
+		os.Exit(1)
 	}
 
-	for _, node := range nodeList {
+	for _, node := range nodes {
 
 		if node.IpmiIpaddr.Get() == "" {
 			wwlog.Printf(wwlog.ERROR, "%s: No IPMI IP address\n", node.Id.Get())