enhance/ilm-forecast (#51)

cmd/ilm_forecast.go

@@ -39,11 +39,28 @@ func IlmForecast(conf *cfg.Config) *cli.Command {
 	}
 }
 
+const IlmForeCastListReference = `<duration> must be a string which consists one or more of these elements:
+d - days
+h - hours
+m - minutes
+s - seconds
+
+Examples:
+
+58d12h  - 58 days and 12 hours
+122h30m - 122 hours and 30 minutes
+
+Specs may be mixed:
+
+8h12d   - 12 days and 8 hours`
+
 func IlmForecastList(conf *cfg.Config) *cli.Command {
 	return &cli.Command{
-		Name:    "list",
-		Aliases: []string{"ls"},
-		Usage:   "list index rollover config",
+		Name:               "list",
+		Aliases:            []string{"ls"},
+		Usage:              "list index rollover config",
+		UsageText:          "list [options] [<filter>]",
+		CustomHelpTemplate: addReference(IlmForeCastListReference),
 
 		Flags: []cli.Flag{
 			&cli.StringFlag{
@@ -54,10 +71,22 @@ func IlmForecastList(conf *cfg.Config) *cli.Command {
 			},
 			&cli.StringFlag{
 				Name:        "within",
-				Usage:       "duration withing which to forecast",
+				Usage:       "<duration> withing which to forecast",
 				Destination: &conf.Ilm.Within,
 				Aliases:     []string{"w"},
 			},
+			&cli.StringFlag{
+				Name:        "min-age",
+				Usage:       "show only indices older than <duration>",
+				Destination: &conf.Ilm.MinAge,
+				Aliases:     []string{"m"},
+			},
+			&cli.BoolFlag{
+				Name:        "verbose",
+				Usage:       "show ilm policy as well",
+				Destination: &conf.Verbose,
+				Aliases:     []string{"v"},
+			},
 		},
 
 		Action: func(ctx context.Context, cmd *cli.Command) error {
@@ -66,7 +95,7 @@ func IlmForecastList(conf *cfg.Config) *cli.Command {
 				return errors.New("invalid from phase, allowed: hot, warm, cold, frozen")
 			}
 
-			return es.IlmForecastList(conf)
+			return es.IlmForecastList(conf, cmd.Args().Get(0))
 		},
 	}
 }