initial checkin of node IPMI power control

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

@@ -0,0 +1,58 @@
+package poweron
+
+import (
+	"github.com/hpcng/warewulf/internal/pkg/assets"
+	"github.com/hpcng/warewulf/internal/pkg/power"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
+	"os"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+
+	var returnErr error = nil
+
+	var nodeList []assets.NodeInfo
+
+	if len(args) >= 1 {
+		//nodeList, _ = assets.SearchByName(args[0])
+		nodeList, _ = assets.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))
+	}
+
+	for _, node := range nodeList {
+
+		if node.IpmiIpaddr == "" {
+			wwlog.Printf(wwlog.ERROR, "%s: No IPMI IP address\n", node.HostName)
+			continue
+		}
+
+		ipmiCmd := power.IPMI{
+			HostName: node.IpmiIpaddr,
+			User:     "ADMIN",
+			Password: "ADMIN",
+			AuthType: "MD5",
+		}
+
+		out, err := ipmiCmd.PowerOn()
+
+		if err != nil {
+			wwlog.Printf(wwlog.ERROR, "%s: %s\n", node.HostName, out)
+			returnErr = err
+			continue
+		}
+
+		wwlog.Printf(wwlog.INFO, "%s: %s\n", node.HostName, out)
+	}
+
+	return returnErr
+}

internal/app/wwctl/node/poweron/root.go

@@ -0,0 +1,19 @@
+package poweron
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var (
+	powerCmd = &cobra.Command{
+		Use:   "poweron",
+		Short: "power on node(s)",
+		Long:  "turn power on for one or more nodes",
+		RunE:  CobraRunE,
+	}
+)
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return powerCmd
+}