consul/commands.go

45 lines
953 B
Go

package main
import (
"github.com/hashicorp/consul/command"
"github.com/mitchellh/cli"
"os"
"os/signal"
)
// Commands is the mapping of all the available Serf commands.
var Commands map[string]cli.CommandFactory
func init() {
ui := &cli.BasicUi{Writer: os.Stdout}
Commands = map[string]cli.CommandFactory{
"version": func() (cli.Command, error) {
return &command.VersionCommand{
Revision: GitCommit,
Version: Version,
VersionPrerelease: VersionPrerelease,
Ui: ui,
}, nil
},
}
}
// makeShutdownCh returns a channel that can be used for shutdown
// notifications for commands. This channel will send a message for every
// interrupt received.
func makeShutdownCh() <-chan struct{} {
resultCh := make(chan struct{})
signalCh := make(chan os.Signal, 4)
signal.Notify(signalCh, os.Interrupt)
go func() {
for {
<-signalCh
resultCh <- struct{}{}
}
}()
return resultCh
}