commands: move operator raft list-peers command to separate pkg

command/commands.go

@@ -29,6 +29,7 @@ import (
 	"github.com/hashicorp/consul/command/monitor"
 	"github.com/hashicorp/consul/command/oper"
 	"github.com/hashicorp/consul/command/operraft"
+	"github.com/hashicorp/consul/command/operraftlist"
 	"github.com/hashicorp/consul/command/validate"
 	"github.com/hashicorp/consul/version"
 	"github.com/mitchellh/cli"
@@ -179,12 +180,7 @@ func init() {
 		},
 
 		"operator raft list-peers": func() (cli.Command, error) {
-			return &OperatorRaftListCommand{
-				BaseCommand: BaseCommand{
-					Flags: FlagSetHTTP,
-					UI:    ui,
-				},
-			}, nil
+			return operraftlist.New(ui), nil
 		},
 
 		"operator raft remove-peer": func() (cli.Command, error) {

command/operator_raft_list_test.go

@@ -1,45 +0,0 @@
-package command
-
-import (
-	"fmt"
-	"strings"
-	"testing"
-
-	"github.com/hashicorp/consul/agent"
-	"github.com/mitchellh/cli"
-)
-
-func TestOperator_Raft_ListPeers_Implements(t *testing.T) {
-	t.Parallel()
-	var _ cli.Command = &OperatorRaftListCommand{}
-}
-
-func TestOperator_Raft_ListPeers(t *testing.T) {
-	t.Parallel()
-	a := agent.NewTestAgent(t.Name(), ``)
-	defer a.Shutdown()
-
-	expected := fmt.Sprintf("%s  %s  127.0.0.1:%d  leader  true   3",
-		a.Config.NodeName, a.Config.NodeID, a.Config.ServerPort)
-
-	// Test the list-peers subcommand directly
-	{
-		ui := cli.NewMockUi()
-		c := OperatorRaftListCommand{
-			BaseCommand: BaseCommand{
-				UI:    ui,
-				Flags: FlagSetHTTP,
-			},
-		}
-		args := []string{"-http-addr=" + a.HTTPAddr()}
-
-		code := c.Run(args)
-		if code != 0 {
-			t.Fatalf("bad: %d. %#v", code, ui.ErrorWriter.String())
-		}
-		output := strings.TrimSpace(ui.OutputWriter.String())
-		if !strings.Contains(output, expected) {
-			t.Fatalf("bad: %q, %q", output, expected)
-		}
-	}
-}

command/operraftlist/operator_raft_list.go

@@ -1,34 +1,46 @@
-package command
+package operraftlist
 
 import (
 	"flag"
 	"fmt"
 
 	"github.com/hashicorp/consul/api"
+	"github.com/hashicorp/consul/command/flags"
+	"github.com/mitchellh/cli"
 	"github.com/ryanuber/columnize"
 )
 
-type OperatorRaftListCommand struct {
-	BaseCommand
+func New(ui cli.Ui) *cmd {
+	c := &cmd{UI: ui}
+	c.init()
+	return c
 }
 
-func (c *OperatorRaftListCommand) Help() string {
-	c.InitFlagSet()
-	return c.HelpCommand(`
-Usage: consul operator raft list-peers [options]
-
-Displays the current Raft peer configuration.
-
-`)
+type cmd struct {
+	UI    cli.Ui
+	flags *flag.FlagSet
+	http  *flags.HTTPFlags
+	usage string
 }
 
-func (c *OperatorRaftListCommand) Synopsis() string {
+func (c *cmd) init() {
+	c.flags = flag.NewFlagSet("", flag.ContinueOnError)
+	c.http = &flags.HTTPFlags{}
+	flags.Merge(c.flags, c.http.ClientFlags())
+	flags.Merge(c.flags, c.http.ServerFlags())
+	c.usage = flags.Usage(usage, c.flags, c.http.ClientFlags(), c.http.ServerFlags())
+}
+
+func (c *cmd) Synopsis() string {
 	return "Display the current Raft peer configuration"
 }
 
-func (c *OperatorRaftListCommand) Run(args []string) int {
-	c.InitFlagSet()
-	if err := c.FlagSet.Parse(args); err != nil {
+func (c *cmd) Help() string {
+	return c.usage
+}
+
+func (c *cmd) Run(args []string) int {
+	if err := c.flags.Parse(args); err != nil {
 		if err == flag.ErrHelp {
 			return 0
 		}
@@ -37,14 +49,14 @@ func (c *OperatorRaftListCommand) Run(args []string) int {
 	}
 
 	// Set up a client.
-	client, err := c.HTTPClient()
+	client, err := c.http.APIClient()
 	if err != nil {
 		c.UI.Error(fmt.Sprintf("Error initializing client: %s", err))
 		return 1
 	}
 
 	// Fetch the current configuration.
-	result, err := raftListPeers(client, c.HTTPStale())
+	result, err := raftListPeers(client, c.http.Stale())
 	if err != nil {
 		c.UI.Error(fmt.Sprintf("Error getting peers: %v", err))
 		return 1
@@ -55,7 +67,6 @@ func (c *OperatorRaftListCommand) Run(args []string) int {
 }
 
 func raftListPeers(client *api.Client, stale bool) (string, error) {
-
 	q := &api.QueryOptions{
 		AllowStale: stale,
 	}
@@ -82,3 +93,7 @@ func raftListPeers(client *api.Client, stale bool) (string, error) {
 
 	return columnize.SimpleFormat(result), nil
 }
+
+const usage = `Usage: consul operator raft list-peers [options]
+
+Displays the current Raft peer configuration.`

command/operraftlist/operator_raft_list_test.go

@@ -0,0 +1,40 @@
+package operraftlist
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"github.com/hashicorp/consul/agent"
+	"github.com/mitchellh/cli"
+)
+
+func TestOperatorRaftListPeersCommand_noTabs(t *testing.T) {
+	t.Parallel()
+	if strings.ContainsRune(New(cli.NewMockUi()).Help(), '\t') {
+		t.Fatal("usage has tabs")
+	}
+}
+
+func TestOperatorRaftListPeersCommandRun(t *testing.T) {
+	t.Parallel()
+	a := agent.NewTestAgent(t.Name(), ``)
+	defer a.Shutdown()
+
+	expected := fmt.Sprintf("%s  %s  127.0.0.1:%d  leader  true   3",
+		a.Config.NodeName, a.Config.NodeID, a.Config.ServerPort)
+
+	// Test the list-peers subcommand directly
+	ui := cli.NewMockUi()
+	c := New(ui)
+	args := []string{"-http-addr=" + a.HTTPAddr()}
+
+	code := c.Run(args)
+	if code != 0 {
+		t.Fatalf("bad: %d. %#v", code, ui.ErrorWriter.String())
+	}
+	output := strings.TrimSpace(ui.OutputWriter.String())
+	if !strings.Contains(output, expected) {
+		t.Fatalf("bad: %q, %q", output, expected)
+	}
+}