UI Updates with a few minor fixups scattered here and there

internal/app/wwctl/power/on/power.go

@@ -0,0 +1,83 @@
+package poweron
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/hpcng/warewulf/internal/pkg/batch"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/power"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+	var returnErr error = nil
+	var nodeList []node.NodeInfo
+
+	n, 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.SearchByNameList(args)
+	} else {
+		wwlog.Printf(wwlog.ERROR, "No requested nodes\n")
+		os.Exit(255)
+	}
+
+	if len(nodeList) == 0 {
+		wwlog.Printf(wwlog.ERROR, "No nodes found matching: '%s'\n", args[0])
+		os.Exit(255)
+	} else {
+		wwlog.Printf(wwlog.VERBOSE, "Found %d matching nodes for power command\n", len(nodeList))
+	}
+
+	batchpool := batch.New(50)
+	jobcount := len(nodeList)
+	results := make(chan power.IPMI, jobcount)
+
+	for _, node := range nodeList {
+
+		if node.IpmiIpaddr.Get() == "" {
+			wwlog.Printf(wwlog.ERROR, "%s: No IPMI IP address\n", node.Id.Get())
+			continue
+		}
+
+		ipmiCmd := power.IPMI{
+			NodeName: node.Id.Get(),
+			HostName: node.IpmiIpaddr.Get(),
+			User:     node.IpmiUserName.Get(),
+			Password: node.IpmiPassword.Get(),
+			AuthType: "MD5",
+		}
+
+		batchpool.Submit(func() {
+			ipmiCmd.PowerOn()
+			results <- ipmiCmd
+		})
+
+	}
+
+	batchpool.Run()
+
+	close(results)
+
+	for result := range results {
+
+		out, err := result.Result()
+
+		if err != nil {
+			wwlog.Printf(wwlog.ERROR, "%s: %s\n", result.NodeName, out)
+			returnErr = err
+			continue
+		}
+
+		fmt.Printf("%s: %s\n", result.NodeName, out)
+
+	}
+
+	return returnErr
+}