Don't allow to run baremetal actions without flags

With this change we will be sure that no commands against bmh
hosts will be applied without selector flags specified, now if you
want to target all hosts in inventory you must specify --all flag

Relates-To: #364
Related-To: #364

Closes: #364
Change-Id: I0d615ea226528162e07acc96fa61b26e031145aa

cmd/baremetal/baremetal.go

@@ -15,6 +15,7 @@
 package baremetal
 
 import (
+	"fmt"
 	"time"
 
 	"github.com/spf13/cobra"
@@ -40,6 +41,29 @@ const (
 
 	flagTimeout            = "timeout"
 	flagTimeoutDescription = "timeout on baremetal action"
+
+	flagAll            = "all"
+	flagAllDescription = "specify this to target all hosts in the inventory"
+)
+
+var (
+	selectorsDescription = fmt.Sprintf(`The command will target baremetal hosts from airship inventory kustomize root
+based on the --%s, --%s and --%s flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory`, flagName, flagNamespace, flagLabel)
+
+	bmhActionExampleTempalte = `
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal %[1]s --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal %[1]s --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal %[1]s --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal %[1]s --labels "foo=bar"
+`
 )
 
 // NewBaremetalCommand creates a new command for interacting with baremetal using airshipctl.
@@ -67,3 +91,7 @@ func initFlags(options *inventory.CommandOptions, cmd *cobra.Command) {
 	flags.StringVarP(&options.Namespace, flagNamespace, flagNamespaceSort, "", flagNamespaceDescription)
 	flags.DurationVar(&options.Timeout, flagTimeout, 10*time.Minute, flagTimeoutDescription)
 }
+
+func initAllFlag(options *inventory.CommandOptions, cmd *cobra.Command) {
+	cmd.Flags().BoolVar(&options.All, flagAll, false, flagAllDescription)
+}

cmd/baremetal/ejectmedia.go

@@ -15,6 +15,8 @@
 package baremetal
 
 import (
+	"fmt"
+
 	"github.com/spf13/cobra"
 
 	"opendev.org/airship/airshipctl/pkg/config"
@@ -22,11 +24,24 @@ import (
 	"opendev.org/airship/airshipctl/pkg/inventory/ifc"
 )
 
+var (
+	ejectMediaCommand = "ejectmedia"
+
+	ejectMediaLong = fmt.Sprintf(`
+Eject media attached to a baremetal hosts
+%s
+`, selectorsDescription)
+
+	ejectMediaExample = fmt.Sprintf(bmhActionExampleTempalte, ejectMediaCommand)
+)
+
 // NewEjectMediaCommand provides a command to eject media attached to a baremetal host.
 func NewEjectMediaCommand(cfgFactory config.Factory, options *inventory.CommandOptions) *cobra.Command {
 	cmd := &cobra.Command{
-		Use:   "ejectmedia",
-		Short: "Eject media attached to a baremetal host",
+		Use:     ejectMediaCommand,
+		Short:   "Eject media attached to a baremetal hosts",
+		Long:    ejectMediaLong[1:],
+		Example: ejectMediaExample[1:],
 		Args:    cobra.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return options.BMHAction(ifc.BaremetalOperationEjectVirtualMedia)
@@ -34,6 +49,7 @@ func NewEjectMediaCommand(cfgFactory config.Factory, options *inventory.CommandO
 	}
 
 	initFlags(options, cmd)
+	initAllFlag(options, cmd)
 
 	return cmd
 }

cmd/baremetal/poweroff.go

@@ -15,6 +15,8 @@
 package baremetal
 
 import (
+	"fmt"
+
 	"github.com/spf13/cobra"
 
 	"opendev.org/airship/airshipctl/pkg/config"
@@ -22,11 +24,24 @@ import (
 	"opendev.org/airship/airshipctl/pkg/inventory/ifc"
 )
 
+var (
+	powerOffCommand = "poweroff"
+
+	powerOffLong = fmt.Sprintf(`
+Power off baremetal hosts
+%s
+`, selectorsDescription)
+
+	powerOffExample = fmt.Sprintf(bmhActionExampleTempalte, powerOffCommand)
+)
+
 // NewPowerOffCommand provides a command to shutdown a remote host.
 func NewPowerOffCommand(cfgFactory config.Factory, options *inventory.CommandOptions) *cobra.Command {
 	cmd := &cobra.Command{
-		Use:   "poweroff",
-		Short: "Shutdown a baremetal host",
+		Use:     powerOffCommand,
+		Short:   "Shutdown a baremetal hosts",
+		Long:    powerOffLong[1:],
+		Example: powerOffExample[1:],
 		Args:    cobra.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return options.BMHAction(ifc.BaremetalOperationPowerOff)
@@ -34,6 +49,7 @@ func NewPowerOffCommand(cfgFactory config.Factory, options *inventory.CommandOpt
 	}
 
 	initFlags(options, cmd)
+	initAllFlag(options, cmd)
 
 	return cmd
 }

cmd/baremetal/poweron.go

@@ -15,6 +15,8 @@ Licensed under the Apache License, Version 2.0 (the "License");
 package baremetal
 
 import (
+	"fmt"
+
 	"github.com/spf13/cobra"
 
 	"opendev.org/airship/airshipctl/pkg/config"
@@ -22,11 +24,24 @@ import (
 	"opendev.org/airship/airshipctl/pkg/inventory/ifc"
 )
 
+var (
+	powerOnCommand = "poweron"
+
+	powerOnLong = fmt.Sprintf(`
+Power on baremetal hosts
+%s
+`, selectorsDescription)
+
+	powerOnExample = fmt.Sprintf(bmhActionExampleTempalte, powerOnCommand)
+)
+
 // NewPowerOnCommand provides a command with the capability to power on baremetal hosts.
 func NewPowerOnCommand(cfgFactory config.Factory, options *inventory.CommandOptions) *cobra.Command {
 	cmd := &cobra.Command{
-		Use:   "poweron",
-		Short: "Power on a host",
+		Use:     powerOnCommand,
+		Short:   "Power on a hosts",
+		Long:    powerOnLong[1:],
+		Example: powerOnExample[1:],
 		Args:    cobra.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return options.BMHAction(ifc.BaremetalOperationPowerOn)
@@ -34,6 +49,7 @@ func NewPowerOnCommand(cfgFactory config.Factory, options *inventory.CommandOpti
 	}
 
 	initFlags(options, cmd)
+	initAllFlag(options, cmd)
 
 	return cmd
 }

cmd/baremetal/reboot.go

@@ -15,6 +15,8 @@ Licensed under the Apache License, Version 2.0 (the "License");
 package baremetal
 
 import (
+	"fmt"
+
 	"github.com/spf13/cobra"
 
 	"opendev.org/airship/airshipctl/pkg/config"
@@ -22,11 +24,24 @@ import (
 	"opendev.org/airship/airshipctl/pkg/inventory/ifc"
 )
 
+var (
+	rebootCommand = "reboot"
+
+	rebootLong = fmt.Sprintf(`
+Reboot baremetal hosts
+%s
+`, selectorsDescription)
+
+	rebootExample = fmt.Sprintf(bmhActionExampleTempalte, rebootCommand)
+)
+
 // NewRebootCommand provides a command with the capability to reboot baremetal hosts.
 func NewRebootCommand(cfgFactory config.Factory, options *inventory.CommandOptions) *cobra.Command {
 	cmd := &cobra.Command{
-		Use:   "reboot",
-		Short: "Reboot a host",
+		Use:     rebootCommand,
+		Long:    rebootLong[1:],
+		Short:   "Reboot a hosts",
+		Example: rebootExample[1:],
 		Args:    cobra.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return options.BMHAction(ifc.BaremetalOperationReboot)
@@ -34,6 +49,7 @@ func NewRebootCommand(cfgFactory config.Factory, options *inventory.CommandOptio
 	}
 
 	initFlags(options, cmd)
+	initAllFlag(options, cmd)
 
 	return cmd
 }

cmd/baremetal/testdata/TestBaremetalGoldenOutput/baremetal-ejectmedia-with-help.golden

@@ -1,9 +1,27 @@
-Eject media attached to a baremetal host
+Eject media attached to a baremetal hosts
+The command will target baremetal hosts from airship inventory kustomize root
+based on the --name, --namespace and --labels flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory
 
 Usage:
   ejectmedia [flags]
 
+Examples:
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal ejectmedia --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal ejectmedia --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal ejectmedia --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal ejectmedia --labels "foo=bar"
+
+
 Flags:
+      --all                specify this to target all hosts in the inventory
   -h, --help               help for ejectmedia
   -l, --labels string      Label(s) to filter desired baremetal host documents
       --name string        Name to filter desired baremetal host document

cmd/baremetal/testdata/TestBaremetalGoldenOutput/baremetal-poweroff-with-help.golden

@@ -1,9 +1,27 @@
-Shutdown a baremetal host
+Power off baremetal hosts
+The command will target baremetal hosts from airship inventory kustomize root
+based on the --name, --namespace and --labels flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory
 
 Usage:
   poweroff [flags]
 
+Examples:
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal poweroff --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal poweroff --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal poweroff --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal poweroff --labels "foo=bar"
+
+
 Flags:
+      --all                specify this to target all hosts in the inventory
   -h, --help               help for poweroff
   -l, --labels string      Label(s) to filter desired baremetal host documents
       --name string        Name to filter desired baremetal host document

cmd/baremetal/testdata/TestBaremetalGoldenOutput/baremetal-poweron-with-help.golden

@@ -1,9 +1,27 @@
-Power on a host
+Power on baremetal hosts
+The command will target baremetal hosts from airship inventory kustomize root
+based on the --name, --namespace and --labels flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory
 
 Usage:
   poweron [flags]
 
+Examples:
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal poweron --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal poweron --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal poweron --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal poweron --labels "foo=bar"
+
+
 Flags:
+      --all                specify this to target all hosts in the inventory
   -h, --help               help for poweron
   -l, --labels string      Label(s) to filter desired baremetal host documents
       --name string        Name to filter desired baremetal host document

cmd/baremetal/testdata/TestBaremetalGoldenOutput/baremetal-reboot-with-help.golden

@@ -1,9 +1,27 @@
-Reboot a host
+Reboot baremetal hosts
+The command will target baremetal hosts from airship inventory kustomize root
+based on the --name, --namespace and --labels flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory
 
 Usage:
   reboot [flags]
 
+Examples:
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal reboot --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal reboot --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal reboot --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal reboot --labels "foo=bar"
+
+
 Flags:
+      --all                specify this to target all hosts in the inventory
   -h, --help               help for reboot
   -l, --labels string      Label(s) to filter desired baremetal host documents
       --name string        Name to filter desired baremetal host document

cmd/baremetal/testdata/TestBaremetalGoldenOutput/baremetal-with-help.golden

@@ -4,12 +4,12 @@ Usage:
   baremetal [command]
 
 Available Commands:
-  ejectmedia   Eject media attached to a baremetal host
+  ejectmedia   Eject media attached to a baremetal hosts
   help         Help about any command
-  poweroff     Shutdown a baremetal host
-  poweron      Power on a host
+  poweroff     Shutdown a baremetal hosts
+  poweron      Power on a hosts
   powerstatus  Retrieve the power status of a baremetal host
-  reboot       Reboot a host
+  reboot       Reboot a hosts
   remotedirect Bootstrap the ephemeral host
 
 Flags:

docs/source/cli/airshipctl_baremetal.md

@@ -22,10 +22,10 @@ Perform actions on baremetal hosts
 ### SEE ALSO
 
 * [airshipctl](airshipctl.md)	 - A unified entrypoint to various airship components
-* [airshipctl baremetal ejectmedia](airshipctl_baremetal_ejectmedia.md)	 - Eject media attached to a baremetal host
-* [airshipctl baremetal poweroff](airshipctl_baremetal_poweroff.md)	 - Shutdown a baremetal host
-* [airshipctl baremetal poweron](airshipctl_baremetal_poweron.md)	 - Power on a host
+* [airshipctl baremetal ejectmedia](airshipctl_baremetal_ejectmedia.md)	 - Eject media attached to a baremetal hosts
+* [airshipctl baremetal poweroff](airshipctl_baremetal_poweroff.md)	 - Shutdown a baremetal hosts
+* [airshipctl baremetal poweron](airshipctl_baremetal_poweron.md)	 - Power on a hosts
 * [airshipctl baremetal powerstatus](airshipctl_baremetal_powerstatus.md)	 - Retrieve the power status of a baremetal host
-* [airshipctl baremetal reboot](airshipctl_baremetal_reboot.md)	 - Reboot a host
+* [airshipctl baremetal reboot](airshipctl_baremetal_reboot.md)	 - Reboot a hosts
 * [airshipctl baremetal remotedirect](airshipctl_baremetal_remotedirect.md)	 - Bootstrap the ephemeral host
 

docs/source/cli/airshipctl_baremetal_ejectmedia.md

@@ -1,18 +1,40 @@
 ## airshipctl baremetal ejectmedia
 
-Eject media attached to a baremetal host
+Eject media attached to a baremetal hosts
 
 ### Synopsis
 
-Eject media attached to a baremetal host
+Eject media attached to a baremetal hosts
+The command will target baremetal hosts from airship inventory kustomize root
+based on the --name, --namespace and --labels flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory
+
 
 ```
 airshipctl baremetal ejectmedia [flags]
 ```
 
+### Examples
+
+```
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal ejectmedia --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal ejectmedia --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal ejectmedia --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal ejectmedia --labels "foo=bar"
+
+```
+
 ### Options
 
 ```
+      --all                specify this to target all hosts in the inventory
   -h, --help               help for ejectmedia
   -l, --labels string      Label(s) to filter desired baremetal host documents
       --name string        Name to filter desired baremetal host document

docs/source/cli/airshipctl_baremetal_poweroff.md

@@ -1,18 +1,40 @@
 ## airshipctl baremetal poweroff
 
-Shutdown a baremetal host
+Shutdown a baremetal hosts
 
 ### Synopsis
 
-Shutdown a baremetal host
+Power off baremetal hosts
+The command will target baremetal hosts from airship inventory kustomize root
+based on the --name, --namespace and --labels flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory
+
 
 ```
 airshipctl baremetal poweroff [flags]
 ```
 
+### Examples
+
+```
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal poweroff --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal poweroff --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal poweroff --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal poweroff --labels "foo=bar"
+
+```
+
 ### Options
 
 ```
+      --all                specify this to target all hosts in the inventory
   -h, --help               help for poweroff
   -l, --labels string      Label(s) to filter desired baremetal host documents
       --name string        Name to filter desired baremetal host document

docs/source/cli/airshipctl_baremetal_poweron.md

@@ -1,18 +1,40 @@
 ## airshipctl baremetal poweron
 
-Power on a host
+Power on a hosts
 
 ### Synopsis
 
-Power on a host
+Power on baremetal hosts
+The command will target baremetal hosts from airship inventory kustomize root
+based on the --name, --namespace and --labels flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory
+
 
 ```
 airshipctl baremetal poweron [flags]
 ```
 
+### Examples
+
+```
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal poweron --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal poweron --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal poweron --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal poweron --labels "foo=bar"
+
+```
+
 ### Options
 
 ```
+      --all                specify this to target all hosts in the inventory
   -h, --help               help for poweron
   -l, --labels string      Label(s) to filter desired baremetal host documents
       --name string        Name to filter desired baremetal host document

docs/source/cli/airshipctl_baremetal_reboot.md

@@ -1,18 +1,40 @@
 ## airshipctl baremetal reboot
 
-Reboot a host
+Reboot a hosts
 
 ### Synopsis
 
-Reboot a host
+Reboot baremetal hosts
+The command will target baremetal hosts from airship inventory kustomize root
+based on the --name, --namespace and --labels flags provided. If no flags are
+provided airshipctl will try to select all baremetal hosts in the inventory
+
 
 ```
 airshipctl baremetal reboot [flags]
 ```
 
+### Examples
+
+```
+Perform action against hosts with name rdm9r3s3 in all namespaces where the host is found
+# airshipctl baremetal reboot --name rdm9r3s3
+
+Perform action against hosts with name rdm9r3s3 in namespace metal3
+# airshipctl baremetal reboot --name rdm9r3s3 --namespace metal3
+
+Perform action against all hosts defined in inventory
+# airshipctl baremetal reboot --all
+
+Perform action against hosts with a label 'foo=bar'
+# airshipctl baremetal reboot --labels "foo=bar"
+
+```
+
 ### Options
 
 ```
+      --all                specify this to target all hosts in the inventory
   -h, --help               help for reboot
   -l, --labels string      Label(s) to filter desired baremetal host documents
       --name string        Name to filter desired baremetal host document

pkg/inventory/command.go

@@ -26,6 +26,8 @@ import (
 
 // CommandOptions is used to store common variables from cmd flags for baremetal command group
 type CommandOptions struct {
+	All bool
+
 	Labels    string
 	Name      string
 	Namespace string
@@ -42,12 +44,34 @@ func NewOptions(i ifc.Inventory) *CommandOptions {
 	}
 }
 
+func (o *CommandOptions) validateBMHAction() error {
+	if o.Name == "" && o.Namespace == "" && o.Labels == "" && !o.All {
+		return ErrInvalidOptions{Message: `must provide atleast one of the following options: ` +
+			`'name', 'namespace', 'labels' or 'all'`}
+	} else if o.All && (o.Name != "" || o.Namespace != "" || o.Labels != "") {
+		return ErrInvalidOptions{Message: "option 'all' can not be combined with other host selector options"}
+	}
+	return nil
+}
+
+func (o *CommandOptions) validateSingleHostAction() error {
+	if o.Name == "" && o.Namespace == "" && o.Labels == "" {
+		return ErrInvalidOptions{Message: "No options are specified, must provide atleast 'name', 'namespace' or 'labels'"}
+	}
+	return nil
+}
+
 // BMHAction performs an action against BaremetalHost objects
 func (o *CommandOptions) BMHAction(op ifc.BaremetalOperation) error {
+	if err := o.validateBMHAction(); err != nil {
+		return err
+	}
+
 	bmhInventory, err := o.Inventory.BaremetalInventory()
 	if err != nil {
 		return err
 	}
+
 	ctx, cancel := context.WithTimeout(context.Background(), o.Timeout)
 	defer cancel()
 	return bmhInventory.RunOperation(
@@ -59,6 +83,9 @@ func (o *CommandOptions) BMHAction(op ifc.BaremetalOperation) error {
 
 // RemoteDirect perform RemoteDirect operation against single host
 func (o *CommandOptions) RemoteDirect() error {
+	if err := o.validateSingleHostAction(); err != nil {
+		return err
+	}
 	host, err := o.getHost()
 	if err != nil {
 		return err
@@ -70,6 +97,9 @@ func (o *CommandOptions) RemoteDirect() error {
 
 // PowerStatus get power status of the single host
 func (o *CommandOptions) PowerStatus(w io.Writer) error {
+	if err := o.validateSingleHostAction(); err != nil {
+		return err
+	}
 	host, err := o.getHost()
 	if err != nil {
 		return err

pkg/inventory/command_test.go

@@ -20,6 +20,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 
 	"opendev.org/airship/airshipctl/pkg/inventory"
 	"opendev.org/airship/airshipctl/pkg/inventory/ifc"
@@ -28,6 +29,8 @@ import (
 	"opendev.org/airship/airshipctl/testutil/redfishutils"
 )
 
+const testNode = "node-0"
+
 func TestCommandOptions(t *testing.T) {
 	t.Run("error BMHAction bmh inventory", func(t *testing.T) {
 		inv := &mockinventory.MockInventory{}
@@ -35,10 +38,31 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(nil, expectedErr)
 
 		co := inventory.NewOptions(inv)
+		co.All = true
 		actualErr := co.BMHAction(ifc.BaremetalOperationPowerOn)
 		assert.Equal(t, expectedErr, actualErr)
 	})
 
+	t.Run("error BMHAction invalid empty options", func(t *testing.T) {
+		inv := &mockinventory.MockInventory{}
+
+		co := inventory.NewOptions(inv)
+		err := co.BMHAction(ifc.BaremetalOperationPowerOn)
+		require.Error(t, err)
+		assert.Contains(t, err.Error(), (inventory.ErrInvalidOptions{}).Error())
+	})
+
+	t.Run("error BMHAction invalid both all and other selectors", func(t *testing.T) {
+		inv := &mockinventory.MockInventory{}
+
+		co := inventory.NewOptions(inv)
+		co.All = true
+		co.Labels = "foo=bar"
+		err := co.BMHAction(ifc.BaremetalOperationPowerOn)
+		require.Error(t, err)
+		assert.Contains(t, err.Error(), (inventory.ErrInvalidOptions{}).Error())
+	})
+
 	t.Run("success BMHAction", func(t *testing.T) {
 		bmhInv := &mockinventory.MockBMHInventory{}
 		bmhInv.On("RunOperation").Once().Return(nil)
@@ -47,6 +71,7 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(bmhInv, nil)
 
 		co := inventory.NewOptions(inv)
+		co.All = true
 		actualErr := co.BMHAction(ifc.BaremetalOperationPowerOn)
 		assert.Equal(t, nil, actualErr)
 	})
@@ -60,6 +85,7 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(bmhInv, nil)
 
 		co := inventory.NewOptions(inv)
+		co.Name = testNode
 		buf := bytes.NewBuffer([]byte{})
 		actualErr := co.PowerStatus(buf)
 		assert.Equal(t, expectedErr, actualErr)
@@ -73,6 +99,7 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(nil, expectedErr)
 
 		co := inventory.NewOptions(inv)
+		co.Name = testNode
 		buf := bytes.NewBuffer([]byte{})
 		actualErr := co.PowerStatus(buf)
 		assert.Equal(t, expectedErr, actualErr)
@@ -91,6 +118,7 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(bmhInv, nil)
 
 		co := inventory.NewOptions(inv)
+		co.Name = testNode
 		buf := bytes.NewBuffer([]byte{})
 		actualErr := co.PowerStatus(buf)
 		assert.Equal(t, expectedErr, actualErr)
@@ -110,6 +138,7 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(bmhInv, nil)
 
 		co := inventory.NewOptions(inv)
+		co.Name = testNode
 		buf := bytes.NewBuffer([]byte{})
 		actualErr := co.PowerStatus(buf)
 		assert.Equal(t, nil, actualErr)
@@ -128,6 +157,7 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(bmhInv, nil)
 
 		co := inventory.NewOptions(inv)
+		co.Name = testNode
 		co.IsoURL = "http://some-url"
 		actualErr := co.RemoteDirect()
 		assert.Equal(t, nil, actualErr)
@@ -144,6 +174,7 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(bmhInv, nil)
 
 		co := inventory.NewOptions(inv)
+		co.Name = testNode
 		actualErr := co.RemoteDirect()
 		// Simply check if error is returned in isoURL is not specified
 		assert.Error(t, actualErr)
@@ -156,7 +187,29 @@ func TestCommandOptions(t *testing.T) {
 		inv.On("BaremetalInventory").Once().Return(nil, expectedErr)
 
 		co := inventory.NewOptions(inv)
+		co.Name = testNode
 		actualErr := co.RemoteDirect()
 		assert.Equal(t, expectedErr, actualErr)
 	})
+
+	t.Run("error RemoteDirect invalid options", func(t *testing.T) {
+		inv := &mockinventory.MockInventory{}
+
+		co := inventory.NewOptions(inv)
+		err := co.RemoteDirect()
+		require.Error(t, err)
+		assert.Contains(t, err.Error(), (inventory.ErrInvalidOptions{}).Error())
+	})
+
+	t.Run("error RemoteDirect invalid options", func(t *testing.T) {
+		inv := &mockinventory.MockInventory{}
+
+		co := inventory.NewOptions(inv)
+		buf := bytes.NewBuffer([]byte{})
+		err := co.PowerStatus(buf)
+
+		require.Error(t, err)
+		assert.Contains(t, err.Error(), (inventory.ErrInvalidOptions{}).Error())
+		assert.Len(t, buf.Bytes(), 0)
+	})
 }

pkg/inventory/errors.go

@@ -0,0 +1,26 @@
+/*
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+package inventory
+
+import "fmt"
+
+// ErrInvalidOptions is returned when incompetible flags are
+type ErrInvalidOptions struct {
+	Message string
+}
+
+func (e ErrInvalidOptions) Error() string {
+	return fmt.Sprintf("invalid options are supplied: %s", e.Message)
+}

pkg/inventory/testdata/hosts.yaml

@@ -4,10 +4,10 @@ kind: BareMetalHost
 metadata:
   labels:
     airshipit.org/ephemeral-node: "true"
-  name: master-0
+  name: node-0
 spec:
   online: true
   bootMACAddress: 00:3b:8b:0c:ec:8b
   bmc:
     address: redfish+http://nolocalhost:32201/redfish/v1/Systems/ephemeral
-    credentialsName: master-0-bmc-secret
+    credentialsName: node-0-bmc-secret