add machine power cycle command (#97)

cmd/machine.go

@@ -162,13 +162,23 @@ Power on will therefore not work if the machine is in the powering off phase.`,
 	machinePowerResetCmd = &cobra.Command{
 		Use:   "reset <machine ID>",
 		Short: "power reset a machine",
-		Long:  "reset the machine power. This will ensure a power cycle.",
+		Long:  "(hard) reset the machine power.",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return machinePowerReset(driver, args)
 		},
 		PreRun: bindPFlags,
 	}
 
+	machinePowerCycleCmd = &cobra.Command{
+		Use:   "cycle <machine ID>",
+		Short: "power cycle a machine",
+		Long:  "(soft) cycle the machine power.",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return machinePowerCycle(driver, args)
+		},
+		PreRun: bindPFlags,
+	}
+
 	machineUpdateCmd = &cobra.Command{
 		Use:     "update",
 		Aliases: []string{"firmware-update"},
@@ -431,6 +441,7 @@ func init() {
 	machinePowerCmd.AddCommand(machinePowerOnCmd)
 	machinePowerCmd.AddCommand(machinePowerOffCmd)
 	machinePowerCmd.AddCommand(machinePowerResetCmd)
+	machinePowerCmd.AddCommand(machinePowerCycleCmd)
 	machinePowerCmd.AddCommand(machineBootBiosCmd)
 	machinePowerCmd.AddCommand(machineBootDiskCmd)
 	machinePowerCmd.AddCommand(machineBootPxeCmd)
@@ -804,6 +815,19 @@ func machinePowerReset(driver *metalgo.Driver, args []string) error {
 	return printer.Print(resp.Machine)
 }
 
+func machinePowerCycle(driver *metalgo.Driver, args []string) error {
+	machineID, err := getMachineID(args)
+	if err != nil {
+		return err
+	}
+
+	resp, err := driver.MachinePowerCycle(machineID)
+	if err != nil {
+		return err
+	}
+	return printer.Print(resp.Machine)
+}
+
 func machineUpdateBios(driver *metalgo.Driver, args []string) error {
 	m, vendor, board, err := firmwareData(args)
 	if err != nil {

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/dustin/go-humanize v1.0.0
 	github.com/fatih/color v1.12.0
 	github.com/metal-stack/masterdata-api v0.8.7
-	github.com/metal-stack/metal-go v0.15.1
+	github.com/metal-stack/metal-go v0.15.2
 	github.com/metal-stack/metal-lib v0.8.0
 	github.com/metal-stack/updater v1.1.3
 	github.com/metal-stack/v v1.0.3