cli: add `acl token list` command, documentation

docs: fix some incorrect acl policy docs (typos, copy-paste errors)

command/acl_token_list.go

+package command
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/hashicorp/nomad/api"
+	"github.com/posener/complete"
+)
+
+type ACLTokenListCommand struct {
+	Meta
+}
+
+func (c *ACLTokenListCommand) Help() string {
+	helpText := `
+Usage: nomad acl token list
+
+  List is used to list existing ACL tokens.
+
+General Options:
+
+  ` + generalOptionsUsage() + `
+
+List Options:
+
+  -json
+    Output the ACL tokens in a JSON format.
+
+  -t
+    Format and display the ACL tokens using a Go template.
+`
+
+	return strings.TrimSpace(helpText)
+}
+
+func (c *ACLTokenListCommand) AutocompleteFlags() complete.Flags {
+	return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
+		complete.Flags{
+			"-json": complete.PredictNothing,
+			"-t":    complete.PredictAnything,
+		})
+}
+
+func (c *ACLTokenListCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}
+
+func (c *ACLTokenListCommand) Synopsis() string {
+	return "List ACL tokens"
+}
+
+func (c *ACLTokenListCommand) Name() string { return "acl token list" }
+
+func (c *ACLTokenListCommand) Run(args []string) int {
+	var json bool
+	var tmpl string
+
+	flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
+	flags.Usage = func() { c.Ui.Output(c.Help()) }
+	flags.BoolVar(&json, "json", false, "")
+	flags.StringVar(&tmpl, "t", "", "")
+
+	if err := flags.Parse(args); err != nil {
+		return 1
+	}
+
+	// Check that we got no arguments
+	args = flags.Args()
+	if l := len(args); l != 0 {
+		c.Ui.Error("This command takes no arguments")
+		c.Ui.Error(commandErrorText(c))
+		return 1
+	}
+
+	// Get the HTTP client
+	client, err := c.Meta.Client()
+	if err != nil {
+		c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
+		return 1
+	}
+
+	// Fetch info on the policy
+	tokens, _, err := client.ACLTokens().List(nil)
+	if err != nil {
+		c.Ui.Error(fmt.Sprintf("Error listing ACL tokens: %s", err))
+		return 1
+	}
+
+	if json || len(tmpl) > 0 {
+		out, err := Format(json, tmpl, tokens)
+		if err != nil {
+			c.Ui.Error(err.Error())
+			return 1
+		}
+
+		c.Ui.Output(out)
+		return 0
+	}
+
+	c.Ui.Output(formatTokens(tokens))
+	return 0
+}
+
+func formatTokens(tokens []*api.ACLTokenListStub) string {
+	if len(tokens) == 0 {
+		return "No tokens found"
+	}
+
+	output := make([]string, 0, len(tokens)+1)
+	output = append(output, fmt.Sprintf("Name|Type|Global|Accessor ID"))
+	for _, p := range tokens {
+		output = append(output, fmt.Sprintf("%s|%s|%t|%s", p.Name, p.Type, p.Global, p.AccessorID))
+	}
+
+	return formatList(output)
+}

command/acl_token_list_test.go

+package command
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/hashicorp/nomad/acl"
+	"github.com/hashicorp/nomad/command/agent"
+	"github.com/hashicorp/nomad/nomad/mock"
+	"github.com/hashicorp/nomad/nomad/structs"
+	"github.com/mitchellh/cli"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestACLTokenListCommand(t *testing.T) {
+	assert := assert.New(t)
+	t.Parallel()
+	config := func(c *agent.Config) {
+		c.ACL.Enabled = true
+	}
+
+	srv, _, url := testServer(t, true, config)
+	state := srv.Agent.Server().State()
+	defer srv.Shutdown()
+
+	// Bootstrap an initial ACL token
+	token := srv.RootToken
+	assert.NotNil(token, "failed to bootstrap ACL token")
+
+	// Create a valid token
+	mockToken := mock.ACLToken()
+	mockToken.Policies = []string{acl.PolicyWrite}
+	mockToken.SetHash()
+	assert.Nil(state.UpsertACLTokens(1000, []*structs.ACLToken{mockToken}))
+
+	ui := new(cli.MockUi)
+	cmd := &ACLTokenListCommand{Meta: Meta{Ui: ui, flagAddress: url}}
+
+	// Attempt to list tokens without a valid management token
+	invalidToken := mock.ACLToken()
+	code := cmd.Run([]string{"-address=" + url, "-token=" + invalidToken.SecretID})
+	assert.Equal(1, code)
+
+	// Apply a token with a valid management token
+	code = cmd.Run([]string{"-address=" + url, "-token=" + token.SecretID})
+	assert.Equal(0, code)
+
+	// Check the output
+	out := ui.OutputWriter.String()
+	if !strings.Contains(out, mockToken.Name) {
+		t.Fatalf("bad: %v", out)
+	}
+
+	// List json
+	if code := cmd.Run([]string{"-address=" + url, "-token=" + token.SecretID, "-json"}); code != 0 {
+		t.Fatalf("expected exit 0, got: %d; %v", code, ui.ErrorWriter.String())
+	}
+	out = ui.OutputWriter.String()
+	if !strings.Contains(out, "CreateIndex") {
+		t.Fatalf("expected json output, got: %s", out)
+	}
+	ui.OutputWriter.Reset()
+}

command/commands.go

@@ -130,6 +130,11 @@ func Commands(metaPtr *Meta, agentUi cli.Ui) map[string]cli.CommandFactory {
 				Meta: meta,
 			}, nil
 		},
+		"acl token list": func() (cli.Command, error) {
+			return &ACLTokenListCommand{
+				Meta: meta,
+			}, nil
+		},
 		"acl token self": func() (cli.Command, error) {
 			return &ACLTokenSelfCommand{
 				Meta: meta,

website/source/docs/commands/acl/policy-list.html.md.erb

@@ -6,7 +6,7 @@ description: >
   The policy list command is used to list available ACL policies.
 ---
 
-# Command: acl policy info
+# Command: acl policy list
 
 The `acl policy list` command is used to list available ACL policies.
 
@@ -22,9 +22,9 @@ nomad acl policy list
 #
 ## List Options
 
-* `-json` : Output the namespaces in their JSON format.
+* `-json` : Output the policies in their JSON format.
 
-* `-t` : Format and display the namespaces using a Go template.
+* `-t` : Format and display the policies using a Go template.
 
 ## Examples
 
@@ -32,7 +32,7 @@ List all ACL policies:
 
 ```
 $ nomad acl policy list
-Name        Description
-default-ns  Write access to the default namespace
-node-read   Node read access
+Name      Description
+policy-1  The first policy
+policy-2  The second policy
 ```

website/source/docs/commands/acl/token-list.html.md.erb

+---
+layout: "docs"
+page_title: "Commands: acl token list"
+sidebar_current: "docs-commands-acl-token-list"
+description: >
+  The token list command is used to list existing ACL tokens.
+---
+
+# Command: acl token list
+
+The `acl token list` command is used to list existing ACL tokens.
+
+## Usage
+
+```
+nomad acl token list
+```
+
+## General Options
+
+<%= partial "docs/commands/_general_options" %>
+#
+## List Options
+
+* `-json` : Output the tokens in their JSON format.
+
+* `-t` : Format and display the tokens using a Go template.
+
+## Examples
+
+List all ACL tokens:
+
+```
+$ nomad acl token list
+Name             Type        Global  Accessor ID
+Bootstrap Token  management  true    32b61154-47f1-3694-1430-a5544bafcd3e
+<none>           client      false   fcf2bf84-a257-8f39-9d16-a954ed25b5be
+```

website/source/docs/commands/acl/token-self.html.md.erb

@@ -28,7 +28,7 @@ Fetch information about an existing ACL token:
 ```
 $ export NOMAD_TOKEN=d532c40a-30f1-695c-19e5-c35b882b0efd
 
-$ nomad acl tokenjself
+$ nomad acl token self
 Accessor ID  = d532c40a-30f1-695c-19e5-c35b882b0efd
 Secret ID    = 85310d07-9afa-ef53-0933-0c043cd673c7
 Name         = my token

website/source/layouts/docs.erb

@@ -100,6 +100,9 @@
               <li<%= sidebar_current("docs-commands-acl-token-info") %>>
                 <a href="/docs/commands/acl/token-info.html">token info</a>
               </li>
+              <li<%= sidebar_current("docs-commands-acl-token-list") %>>
+                <a href="/docs/commands/acl/token-list.html">token list</a>
+              </li>
               <li<%= sidebar_current("docs-commands-acl-token-self") %>>
                 <a href="/docs/commands/acl/token-self.html">token self</a>
               </li>