// CreateVolume creates a GCE PD.
// Returns: volumeID, volumeSizeGB, labels, error
func (gceutil *GCEDiskUtil) CreateVolume(c *gcePersistentDiskProvisioner) (string, int, map[string]string, error) {
cloud, err := getCloudProvider(c.gcePersistentDisk.plugin.host.GetCloudProvider())
if err != nil {
return "", 0, nil, err
}
name := volume.GenerateVolumeName(c.options.ClusterName, c.options.PVName, 63) // GCE PD name can have up to 63 characters
capacity := c.options.PVC.Spec.Resources.Requests[api.ResourceName(api.ResourceStorage)]
requestBytes := capacity.Value()
// GCE works with gigabytes, convert to GiB with rounding up
requestGB := volume.RoundUpSize(requestBytes, 1024*1024*1024)
// Apply Parameters (case-insensitive). We leave validation of
// the values to the cloud provider.
diskType := ""
zone := ""
for k, v := range c.options.Parameters {
switch strings.ToLower(k) {
case "type":
diskType = v
case "zone":
zone = v
default:
return "", 0, nil, fmt.Errorf("invalid option %q for volume plugin %s", k, c.plugin.GetPluginName())
}
}
// TODO: implement PVC.Selector parsing
if c.options.PVC.Spec.Selector != nil {
return "", 0, nil, fmt.Errorf("claim.Spec.Selector is not supported for dynamic provisioning on GCE")
}
if zone == "" {
// No zone specified, choose one randomly in the same region as the
// node is running.
zones, err := cloud.GetAllZones()
if err != nil {
glog.V(2).Infof("error getting zone information from GCE: %v", err)
return "", 0, nil, err
}
zone = volume.ChooseZoneForVolume(zones, c.options.PVC.Name)
}
err = cloud.CreateDisk(name, diskType, zone, int64(requestGB), *c.options.CloudTags)
if err != nil {
glog.V(2).Infof("Error creating GCE PD volume: %v", err)
return "", 0, nil, err
}
glog.V(2).Infof("Successfully created GCE PD volume %s", name)
labels, err := cloud.GetAutoLabelsForPD(name, zone)
if err != nil {
// We don't really want to leak the volume here...
glog.Errorf("error getting labels for volume %q: %v", name, err)
}
return name, int(requestGB), labels, nil
}
// CreateVolume creates a GCE PD.
// Returns: volumeID, volumeSizeGB, labels, error
func (gceutil *GCEDiskUtil) CreateVolume(c *gcePersistentDiskProvisioner) (string, int, map[string]string, error) {
cloud, err := getCloudProvider(c.gcePersistentDisk.plugin.host.GetCloudProvider())
if err != nil {
return "", 0, nil, err
}
name := volume.GenerateVolumeName(c.options.ClusterName, c.options.PVName, 63) // GCE PD name can have up to 63 characters
requestBytes := c.options.Capacity.Value()
// GCE works with gigabytes, convert to GiB with rounding up
requestGB := volume.RoundUpSize(requestBytes, 1024*1024*1024)
// The disk will be created in the zone in which this code is currently running
// TODO: We should support auto-provisioning volumes in multiple/specified zones
zones, err := cloud.GetAllZones()
if err != nil {
glog.V(2).Infof("error getting zone information from GCE: %v", err)
return "", 0, nil, err
}
zone := volume.ChooseZoneForVolume(zones, c.options.PVCName)
err = cloud.CreateDisk(name, zone, int64(requestGB), *c.options.CloudTags)
if err != nil {
glog.V(2).Infof("Error creating GCE PD volume: %v", err)
return "", 0, nil, err
}
glog.V(2).Infof("Successfully created GCE PD volume %s", name)
labels, err := cloud.GetAutoLabelsForPD(name, zone)
if err != nil {
// We don't really want to leak the volume here...
glog.Errorf("error getting labels for volume %q: %v", name, err)
}
return name, int(requestGB), labels, nil
}