docs/cluster/volume.go

51 lines
999 B
Go

package cluster
import "github.com/samalba/dockerclient"
// Volume is exported
type Volume struct {
dockerclient.Volume
Engine *Engine
}
// Volumes represents an array of volumes
type Volumes []*Volume
// Get returns a volume using it's ID or Name
func (volumes Volumes) Get(name string) *Volume {
// Abort immediately if the name is empty.
if len(name) == 0 {
return nil
}
candidates := []*Volume{}
// Match name or engine/name.
for _, volume := range volumes {
if volume.Name == name || volume.Engine.ID+"/"+volume.Name == name || volume.Engine.Name+"/"+volume.Name == name {
candidates = append(candidates, volume)
}
}
// Return if we found a unique match.
if size := len(candidates); size == 1 {
return candidates[0]
} else if size > 1 {
return nil
}
// Match /name and return as soon as we find one.
for _, volume := range volumes {
if volume.Name == "/"+name {
return volume
}
}
if len(candidates) == 1 {
return candidates[0]
}
return nil
}