github.com/koron/hk@v0.0.0-20150303213137-b8aeaa3ab34c/restart.go (about)

     1  package main
     2  
     3  import (
     4  	"log"
     5  	"os"
     6  	"strings"
     7  )
     8  
     9  var cmdRestart = &Command{
    10  	Run:      runRestart,
    11  	Usage:    "restart [<type or name>]",
    12  	NeedsApp: true,
    13  	Category: "dyno",
    14  	Short:    "restart dynos (or stop a dyno started with 'hk run')",
    15  	Long: `
    16  Restart all app dynos, all dynos of a specific type, or a single dyno. If used
    17  on a dyno started using 'hk run' this will effectively stop it.
    18  
    19  Examples:
    20  
    21      $ hk restart
    22      Restarted all dynos on myapp.
    23  
    24      $ hk restart web
    25      Restarted web dynos on myapp.
    26  
    27      $ hk restart web.1
    28      Restarted web.1 dyno on myapp.
    29  `,
    30  }
    31  
    32  func runRestart(cmd *Command, args []string) {
    33  	appname := mustApp()
    34  	if len(args) > 1 {
    35  		cmd.PrintUsage()
    36  		os.Exit(2)
    37  	}
    38  
    39  	target := "all"
    40  	if len(args) == 1 {
    41  		target = args[0]
    42  		must(client.DynoRestart(appname, target))
    43  	} else {
    44  		must(client.DynoRestartAll(appname))
    45  	}
    46  
    47  	switch {
    48  	case strings.Contains(target, "."):
    49  		log.Printf("Restarted %s dyno for %s.", target, appname)
    50  	default:
    51  		log.Printf("Restarted %s dynos for %s.", target, appname)
    52  	}
    53  }