docs/commands/active.go

37 lines
665 B
Go

package commands
import (
"errors"
"fmt"
"github.com/docker/machine/libmachine"
"github.com/docker/machine/libmachine/persist"
)
var (
errTooManyArguments = errors.New("Error: Too many arguments given")
errNoActiveHost = errors.New("No active host found")
)
func cmdActive(c CommandLine, api libmachine.API) error {
if len(c.Args()) > 0 {
return errTooManyArguments
}
hosts, err := persist.LoadAllHosts(api)
if err != nil {
return fmt.Errorf("Error getting active host: %s", err)
}
items := getHostListItems(hosts)
for _, item := range items {
if item.Active {
fmt.Println(item.Name)
return nil
}
}
return errNoActiveHost
}