mirror of https://github.com/docker/docs.git
45 lines
811 B
Go
45 lines
811 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"
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"github.com/docker/machine/libmachine/persist"
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)
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var (
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errNoActiveHost = errors.New("No active host found")
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)
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func cmdActive(c CommandLine, api libmachine.API) error {
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if len(c.Args()) > 0 {
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return ErrTooManyArguments
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}
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hosts, hostsInError, err := persist.LoadAllHosts(api)
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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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items := getHostListItems(hosts, hostsInError)
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active, err := activeHost(items)
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if err != nil {
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return err
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}
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fmt.Println(active.Name)
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return nil
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}
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func activeHost(items []HostListItem) (HostListItem, error) {
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for _, item := range items {
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if item.ActiveHost || item.ActiveSwarm {
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return item, nil
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}
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}
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return HostListItem{}, errNoActiveHost
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}
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