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This commits implements the Kubernetes volume plugin allowing pods to seamlessly access and use data stored on ScaleIO volumes.
110 lines
2.9 KiB
Go
110 lines
2.9 KiB
Go
package goscaleio
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"reflect"
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types "github.com/codedellemc/goscaleio/types/v1"
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)
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type Device struct {
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Device *types.Device
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client *Client
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}
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func NewDevice(client *Client) *Device {
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return &Device{
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Device: new(types.Device),
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client: client,
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}
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}
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func NewDeviceEx(client *Client, device *types.Device) *Device {
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return &Device{
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Device: device,
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client: client,
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}
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}
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func (storagePool *StoragePool) AttachDevice(path string, sdsID string) (string, error) {
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endpoint := storagePool.client.SIOEndpoint
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deviceParam := &types.DeviceParam{}
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deviceParam.Name = path
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deviceParam.DeviceCurrentPathname = path
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deviceParam.StoragePoolID = storagePool.StoragePool.ID
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deviceParam.SdsID = sdsID
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deviceParam.TestMode = "testAndActivate"
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jsonOutput, err := json.Marshal(&deviceParam)
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if err != nil {
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return "", fmt.Errorf("error marshaling: %s", err)
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}
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endpoint.Path = fmt.Sprintf("/api/types/Device/instances")
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req := storagePool.client.NewRequest(map[string]string{}, "POST", endpoint, bytes.NewBufferString(string(jsonOutput)))
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req.SetBasicAuth("", storagePool.client.Token)
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req.Header.Add("Accept", "application/json;version="+storagePool.client.configConnect.Version)
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req.Header.Add("Content-Type", "application/json;version="+storagePool.client.configConnect.Version)
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resp, err := storagePool.client.retryCheckResp(&storagePool.client.Http, req)
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if err != nil {
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return "", err
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}
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defer resp.Body.Close()
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bs, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return "", errors.New("error reading body")
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}
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var dev types.DeviceResp
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err = json.Unmarshal(bs, &dev)
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if err != nil {
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return "", err
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}
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return dev.ID, nil
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}
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func (storagePool *StoragePool) GetDevice() (devices []types.Device, err error) {
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endpoint := storagePool.client.SIOEndpoint
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endpoint.Path = fmt.Sprintf("/api/instances/StoragePool::%v/relationships/Device", storagePool.StoragePool.ID)
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req := storagePool.client.NewRequest(map[string]string{}, "GET", endpoint, nil)
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req.SetBasicAuth("", storagePool.client.Token)
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req.Header.Add("Accept", "application/json;version="+storagePool.client.configConnect.Version)
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resp, err := storagePool.client.retryCheckResp(&storagePool.client.Http, req)
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if err != nil {
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return []types.Device{}, fmt.Errorf("problem getting response: %v", err)
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}
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defer resp.Body.Close()
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if err = storagePool.client.decodeBody(resp, &devices); err != nil {
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return []types.Device{}, fmt.Errorf("error decoding instances response: %s", err)
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}
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return devices, nil
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}
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func (storagePool *StoragePool) FindDevice(field, value string) (device *types.Device, err error) {
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devices, err := storagePool.GetDevice()
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if err != nil {
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return &types.Device{}, nil
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}
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for _, device := range devices {
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valueOf := reflect.ValueOf(device)
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switch {
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case reflect.Indirect(valueOf).FieldByName(field).String() == value:
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return &device, nil
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}
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}
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return &types.Device{}, errors.New("Couldn't find DEV")
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}
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