Implement controller publish/transfer logic + node mount/unmount

pkg/csi/p5x.go

@@ -75,6 +75,76 @@ func (p5x *p5xApi) DeleteVolume(volume *p5xVolume) error {
 	return nil
 }
 
+func (p5x *p5xApi) TransferVolume(volume *p5xVolume, nodeName string) (*p5xVolume, error) {
+	klog.Info("p5x.TransferVolume: ", volume, " | to node: ", nodeName)
+	route := fmt.Sprintf("volumes/%s/transfer-to/%s", volume.Name, nodeName)
+	resBody, err := p5x.MakeRequest(http.MethodPost, route, []byte(`{}`))
+	if err != nil {
+		return nil, err
+	}
+
+	vol := &p5xVolume{}
+	err = json.Unmarshal(resBody, vol)
+	if err != nil {
+		return nil, err
+	}
+
+	klog.Info("p5x.TransferVolume: Successfully transferred volume:", volume.Name, vol)
+	return vol, nil
+}
+
+type MountVolumeRequest struct {
+	Mountpoint string            `json:"mountpoint"`
+	Options    map[string]string `json:"options"`
+}
+
+func (p5x *p5xApi) MountVolume(volume *p5xVolume, mountpoint string, options map[string]string) (*p5xVolume, error) {
+	klog.Info("p5x.MountVolume: ", volume, mountpoint, options)
+	req := &MountVolumeRequest{
+		Mountpoint: mountpoint,
+		Options:    options,
+	}
+
+	body, err := json.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	route := fmt.Sprintf("volumes/%s/mount", volume.Name)
+	resBody, err := p5x.MakeRequest(http.MethodPost, route, body)
+	if err != nil {
+		return nil, err
+	}
+
+	vol := &p5xVolume{}
+	err = json.Unmarshal(resBody, vol)
+	if err != nil {
+		return nil, err
+	}
+
+	klog.Info("p5x.MountVolume: Successfully mounted volume: ", volume.Name, mountpoint)
+	return vol, nil
+}
+
+func (p5x *p5xApi) UnmountVolume(volume *p5xVolume) (*p5xVolume, error) {
+	klog.Info("p5x.UnmountVolume: ", volume)
+
+	route := fmt.Sprintf("volumes/%s/unmount", volume.Name)
+	resBody, err := p5x.MakeRequest(http.MethodPost, route, []byte(`{}`))
+	if err != nil {
+		return nil, err
+	}
+
+	vol := &p5xVolume{}
+	err = json.Unmarshal(resBody, vol)
+	if err != nil {
+		return nil, err
+	}
+
+	klog.Info("p5x.UnmountVolume: Successfully unmounted volume: ", volume.Name)
+	return vol, nil
+}
+
 func (p5x *p5xApi) MakeRequest(method string, route string, body []byte) ([]byte, error) {
 	url := fmt.Sprintf("%s:%d/api/v1/%s", p5x.endpoint, p5x.port, route)
 	klog.Infof("p5x.MakeRequest: [%s] %s", method, url)