github.com/endocode/docker@v1.4.2-0.20160113120958-46eb4700391e/volume/drivers/adapter.go (about)

     1  package volumedrivers
     2  
     3  import "github.com/docker/docker/volume"
     4  
     5  type volumeDriverAdapter struct {
     6  	name  string
     7  	proxy *volumeDriverProxy
     8  }
     9  
    10  func (a *volumeDriverAdapter) Name() string {
    11  	return a.name
    12  }
    13  
    14  func (a *volumeDriverAdapter) Create(name string, opts map[string]string) (volume.Volume, error) {
    15  	err := a.proxy.Create(name, opts)
    16  	if err != nil {
    17  		return nil, err
    18  	}
    19  	return &volumeAdapter{
    20  		proxy:      a.proxy,
    21  		name:       name,
    22  		driverName: a.name}, nil
    23  }
    24  
    25  func (a *volumeDriverAdapter) Remove(v volume.Volume) error {
    26  	return a.proxy.Remove(v.Name())
    27  }
    28  
    29  func (a *volumeDriverAdapter) List() ([]volume.Volume, error) {
    30  	ls, err := a.proxy.List()
    31  	if err != nil {
    32  		return nil, err
    33  	}
    34  
    35  	var out []volume.Volume
    36  	for _, vp := range ls {
    37  		out = append(out, &volumeAdapter{
    38  			proxy:      a.proxy,
    39  			name:       vp.Name,
    40  			driverName: a.name,
    41  			eMount:     vp.Mountpoint,
    42  		})
    43  	}
    44  	return out, nil
    45  }
    46  
    47  func (a *volumeDriverAdapter) Get(name string) (volume.Volume, error) {
    48  	v, err := a.proxy.Get(name)
    49  	if err != nil {
    50  		return nil, err
    51  	}
    52  
    53  	return &volumeAdapter{
    54  		proxy:      a.proxy,
    55  		name:       v.Name,
    56  		driverName: a.Name(),
    57  		eMount:     v.Mountpoint,
    58  	}, nil
    59  }
    60  
    61  type volumeAdapter struct {
    62  	proxy      *volumeDriverProxy
    63  	name       string
    64  	driverName string
    65  	eMount     string // ephemeral host volume path
    66  }
    67  
    68  type proxyVolume struct {
    69  	Name       string
    70  	Mountpoint string
    71  }
    72  
    73  func (a *volumeAdapter) Name() string {
    74  	return a.name
    75  }
    76  
    77  func (a *volumeAdapter) DriverName() string {
    78  	return a.driverName
    79  }
    80  
    81  func (a *volumeAdapter) Path() string {
    82  	if len(a.eMount) > 0 {
    83  		return a.eMount
    84  	}
    85  	m, _ := a.proxy.Path(a.name)
    86  	return m
    87  }
    88  
    89  func (a *volumeAdapter) Mount() (string, error) {
    90  	var err error
    91  	a.eMount, err = a.proxy.Mount(a.name)
    92  	return a.eMount, err
    93  }
    94  
    95  func (a *volumeAdapter) Unmount() error {
    96  	return a.proxy.Unmount(a.name)
    97  }