func (plugin *cinderPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
plugin.volumeLocks = keymutex.NewKeyMutex()
return nil
}
"k8s.io/kubernetes/pkg/util/sets"
"k8s.io/kubernetes/pkg/volume"
)
const (
diskPartitionSuffix = ""
diskXVDPath = "/dev/xvd"
diskXVDPattern = "/dev/xvd*"
maxChecks = 60
maxRetries = 10
checkSleepDuration = time.Second
errorSleepDuration = 5 * time.Second
)
// Singleton key mutex for keeping attach/detach operations for the same PD atomic
var attachDetachMutex = keymutex.NewKeyMutex()
type AWSDiskUtil struct{}
// Attaches a disk to the current kubelet.
// Mounts the disk to it's global path.
func (diskUtil *AWSDiskUtil) AttachAndMountDisk(b *awsElasticBlockStoreBuilder, globalPDPath string) error {
glog.V(5).Infof("AttachAndMountDisk(...) called for PD %q. Will block for existing operations, if any. (globalPDPath=%q)\r\n", b.volumeID, globalPDPath)
// Block execution until any pending detach operations for this PD have completed
attachDetachMutex.LockKey(b.volumeID)
defer attachDetachMutex.UnlockKey(b.volumeID)
glog.V(5).Infof("AttachAndMountDisk(...) called for PD %q. Awake and ready to execute. (globalPDPath=%q)\r\n", b.volumeID, globalPDPath)
xvdBefore, err := filepath.Glob(diskXVDPattern)
type azureDiskAttacher struct {
host volume.VolumeHost
azureProvider azureCloudProvider
}
var _ volume.Attacher = &azureDiskAttacher{}
var _ volume.AttachableVolumePlugin = &azureDataDiskPlugin{}
const (
checkSleepDuration = time.Second
)
// acquire lock to get an lun number
var getLunMutex = keymutex.NewKeyMutex()
// NewAttacher initializes an Attacher
func (plugin *azureDataDiskPlugin) NewAttacher() (volume.Attacher, error) {
azure, err := getAzureCloudProvider(plugin.host.GetCloudProvider())
if err != nil {
glog.V(4).Infof("failed to get azure provider")
return nil, err
}
return &azureDiskAttacher{
host: plugin.host,
azureProvider: azure,
}, nil
}
func (plugin *azureDataDiskPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
plugin.volumeLocks = keymutex.NewKeyMutex()
return nil
}