rebased for the use without NodeInfo

make fanout configureable via commanline

Signed-off-by: Christian Goll <cgoll@suse.com>

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

@@ -17,46 +17,47 @@ func CobraRunE(vars *variables) func(cmd *cobra.Command, args []string) (err err
 
 		var returnErr error = nil
 
-	nodeDB, err := node.New()
-	if err != nil {
-		return fmt.Errorf("could not open node configuration: %s", err)
-	}
+		nodeDB, err := node.New()
+		if err != nil {
+			return fmt.Errorf("could not open node configuration: %s", err)
+		}
 
-	nodes, err := nodeDB.FindAllNodes()
-	if err != nil {
-		return fmt.Errorf("could not get node list: %s", err)
-	}
+		nodes, err := nodeDB.FindAllNodes()
+		if err != nil {
+			return fmt.Errorf("could not get node list: %s", err)
+		}
 
 		if len(args) > 0 {
-			nodes = node.FilterByName(nodes, hostlist.Expand(args))
+			nodes = node.FilterNodeListByName(nodes, hostlist.Expand(args))
 		} else {
 			//nolint:errcheck
 			cmd.Usage()
 			os.Exit(1)
 		}
 
-	if len(nodes) == 0 {
-		return fmt.Errorf("no nodes found")
-	}
+		if len(nodes) == 0 {
+			return fmt.Errorf("no nodes found")
+		}
 
-		batchpool := batch.New(50)
+		batchpool := batch.New(vars.Fanout)
 		jobcount := len(nodes)
 		results := make(chan power.IPMI, jobcount)
 
-	for _, node := range nodes {
+		for _, node := range nodes {
 
-		if node.Ipmi.Ipaddr.IsUnspecified() {
-			wwlog.Error("%s: No IPMI IP address", node.Id())
-			continue
-		}
-		var conf node.NodeConf
-		conf.GetFrom(n)
-		ipmiCmd := power.IPMI{IpmiConf: *conf.Ipmi}
-		batchpool.Submit(func() {
-			//nolint:errcheck
-			ipmiCmd.PowerOn()
-			results <- ipmiCmd
-		})
+			if node.Ipmi.Ipaddr.IsUnspecified() {
+				wwlog.Error("%s: No IPMI IP address", node.Id())
+				continue
+			}
+			ipmiCmd := power.IPMI{
+				IpmiConf: *node.Ipmi,
+				ShowOnly: vars.Showcmd,
+			}
+			batchpool.Submit(func() {
+				//nolint:errcheck
+				ipmiCmd.PowerOn()
+				results <- ipmiCmd
+			})
 
 		}