mirror of https://github.com/docker/docs.git
50 lines
842 B
Go
50 lines
842 B
Go
package commands
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import (
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"errors"
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"fmt"
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"github.com/docker/machine/libmachine/host"
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"github.com/docker/machine/libmachine/persist"
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)
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var (
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errTooManyArguments = errors.New("Error: Too many arguments given")
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)
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func cmdActive(c CommandLine) error {
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if len(c.Args()) > 0 {
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return errTooManyArguments
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}
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store := getStore(c)
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host, err := getActiveHost(store)
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if err != nil {
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return fmt.Errorf("Error getting active host: %s", err)
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}
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if host != nil {
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fmt.Println(host.Name)
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}
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return nil
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}
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func getActiveHost(store persist.Store) (*host.Host, error) {
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hosts, err := listHosts(store)
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if err != nil {
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return nil, err
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}
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hostListItems := getHostListItems(hosts)
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for _, item := range hostListItems {
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if item.Active {
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return loadHost(store, item.Name)
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}
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}
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return nil, errors.New("Active host not found")
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}
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