Convert event command to use base.Command

command/base/command.go

@@ -58,6 +58,10 @@ func (c *Command) HTTPClient() (*api.Client, error) {
 	return api.NewClient(config)
 }
 
+func (c *Command) HTTPDatacenter() string {
+	return c.datacenter.String()
+}
+
 // httpFlagsClient is the list of flags that apply to HTTP connections.
 func (c *Command) httpFlagsClient(f *flag.FlagSet) *flag.FlagSet {
 	if f == nil {
@@ -198,6 +202,10 @@ func printTitle(w io.Writer, s string) {
 func printFlag(w io.Writer, f *flag.Flag) {
 	example, _ := flag.UnquoteUsage(f)
 	if example != "" {
+		// Change 'value' to 'string' for consistency
+		if example == "value" {
+			example = "string"
+		}
 		fmt.Fprintf(w, "  -%s=<%s>\n", f.Name, example)
 	} else {
 		fmt.Fprintf(w, "  -%s\n", f.Name)

command/event.go

@@ -1,19 +1,18 @@
 package command
 
 import (
-	"flag"
 	"fmt"
 	"regexp"
 	"strings"
 
 	consulapi "github.com/hashicorp/consul/api"
-	"github.com/mitchellh/cli"
+	"github.com/hashicorp/consul/command/base"
 )
 
 // EventCommand is a Command implementation that is used to
 // fire new events
 type EventCommand struct {
-	Ui cli.Ui
+	base.Command
 }
 
 func (c *EventCommand) Help() string {
@@ -24,33 +23,25 @@ Usage: consul event [options] [payload]
   a name, but a payload is optional. Events support filtering using
   regular expressions on node name, service, and tag definitions.
 
-Options:
+` + c.Command.Help()
 
-  -http-addr=127.0.0.1:8500  HTTP address of the Consul agent.
-  -datacenter=""             Datacenter to dispatch in. Defaults to that of agent.
-  -name=""                   Name of the event.
-  -node=""                   Regular expression to filter on node names
-  -service=""                Regular expression to filter on service instances
-  -tag=""                    Regular expression to filter on service tags. Must be used
-                             with -service.
-  -token=""                  ACL token to use during requests. Defaults to that
-                             of the agent.
-`
 	return strings.TrimSpace(helpText)
 }
 
 func (c *EventCommand) Run(args []string) int {
-	var datacenter, name, node, service, tag, token string
-	cmdFlags := flag.NewFlagSet("event", flag.ContinueOnError)
-	cmdFlags.Usage = func() { c.Ui.Output(c.Help()) }
-	cmdFlags.StringVar(&datacenter, "datacenter", "", "")
-	cmdFlags.StringVar(&name, "name", "", "")
-	cmdFlags.StringVar(&node, "node", "", "")
-	cmdFlags.StringVar(&service, "service", "", "")
-	cmdFlags.StringVar(&tag, "tag", "", "")
-	cmdFlags.StringVar(&token, "token", "", "")
-	httpAddr := HTTPAddrFlag(cmdFlags)
-	if err := cmdFlags.Parse(args); err != nil {
+	var name, node, service, tag string
+
+	f := c.Command.NewFlagSet(c)
+	f.StringVar(&name, "name", "",
+		"Name of the event.")
+	f.StringVar(&node, "node", "",
+		"Regular expression to filter on node names.")
+	f.StringVar(&service, "service", "",
+		"Regular expression to filter on service instances")
+	f.StringVar(&tag, "tag", "",
+		"Regular expression to filter on service tags. Must be used with -service.")
+
+	if err := c.Command.Parse(args); err != nil {
 		return 1
 	}
 
@@ -88,7 +79,7 @@ func (c *EventCommand) Run(args []string) int {
 
 	// Check for a payload
 	var payload []byte
-	args = cmdFlags.Args()
+	args = f.Args()
 	switch len(args) {
 	case 0:
 	case 1:
@@ -101,7 +92,7 @@ func (c *EventCommand) Run(args []string) int {
 	}
 
 	// Create and test the HTTP client
-	client, err := HTTPClient(*httpAddr)
+	client, err := c.Command.HTTPClient()
 	if err != nil {
 		c.Ui.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
 		return 1
@@ -121,13 +112,9 @@ func (c *EventCommand) Run(args []string) int {
 		ServiceFilter: service,
 		TagFilter:     tag,
 	}
-	opts := &consulapi.WriteOptions{
-		Datacenter: datacenter,
-		Token:      token,
-	}
 
 	// Fire the event
-	id, _, err := event.Fire(params, opts)
+	id, _, err := event.Fire(params, nil)
 	if err != nil {
 		c.Ui.Error(fmt.Sprintf("Error firing event: %s", err))
 		return 1

command/event_test.go

@@ -1,13 +1,14 @@
 package command
 
 import (
+	"github.com/hashicorp/consul/command/base"
 	"github.com/mitchellh/cli"
 	"strings"
 	"testing"
 )
 
 func TestEventCommand_implements(t *testing.T) {
-	var _ cli.Command = &WatchCommand{}
+	var _ cli.Command = &EventCommand{}
 }
 
 func TestEventCommandRun(t *testing.T) {
@@ -15,7 +16,12 @@ func TestEventCommandRun(t *testing.T) {
 	defer a1.Shutdown()
 
 	ui := new(cli.MockUi)
-	c := &EventCommand{Ui: ui}
+	c := &EventCommand{
+		Command: base.Command{
+			Ui:    ui,
+			Flags: base.FlagSetClientHTTP,
+		},
+	}
 	args := []string{"-http-addr=" + a1.httpAddr, "-name=cmd"}
 
 	code := c.Run(args)

commands.go

@@ -41,14 +41,20 @@ func init() {
 
 		"event": func() (cli.Command, error) {
 			return &command.EventCommand{
-				Ui: ui,
+				Command: base.Command{
+					Flags: base.FlagSetHTTP,
+					Ui:    ui,
+				},
 			}, nil
 		},
 
 		"exec": func() (cli.Command, error) {
 			return &command.ExecCommand{
 				ShutdownCh: makeShutdownCh(),
-				Ui:         ui,
+				Command: base.Command{
+					Flags: base.FlagSetHTTP,
+					Ui:    ui,
+				},
 			}, nil
 		},
 
@@ -61,6 +67,15 @@ func init() {
 			}, nil
 		},
 
+		"info": func() (cli.Command, error) {
+			return &command.InfoCommand{
+				Command: base.Command{
+					Ui:    ui,
+					Flags: base.FlagSetClientHTTP,
+				},
+			}, nil
+		},
+
 		"kv": func() (cli.Command, error) {
 			return &command.KVCommand{
 				Ui: ui,
@@ -156,12 +171,6 @@ func init() {
 			}, nil
 		},
 
-		"info": func() (cli.Command, error) {
-			return &command.InfoCommand{
-				Ui: ui,
-			}, nil
-		},
-
 		"reload": func() (cli.Command, error) {
 			return &command.ReloadCommand{
 				Ui: ui,

website/source/docs/commands/event.html.markdown.erb

@@ -39,13 +39,12 @@ Usage: `consul event [options] [payload]`
 The only required option is `-name` which specifies the event name. An optional
 payload can be provided as the final argument.
 
-The list of available flags are:
+#### API Options
 
-* `-http-addr` - Address to the HTTP server of the agent you want to contact
-  to send this command. If this isn't specified, the command will contact
-  `127.0.0.1:8500` which is the default HTTP address of a Consul agent.
+<%= partial "docs/commands/http_api_options_client" %>
+<%= partial "docs/commands/http_api_options_server" %>
 
-* `-datacenter` - Datacenter to query. Defaults to that of agent.
+#### Command Options
 
 * `-name` - The name of the event.
 
@@ -57,5 +56,3 @@ The list of available flags are:
   a matching tag. This must be used with `-service`. As an example, you may
   do `-service mysql -tag secondary`.
 
-* `-token` - The ACL token to use when firing the event. This token must have
-  write-level privileges for the event specified. Defaults to that of the agent.