fix sync openstack hoststorages issue

pkg/util/openstack/host.go

@@ -16,6 +16,7 @@ package openstack
 
 import (
 	"fmt"
+	"strings"
 
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/pkg/utils"
@@ -108,7 +109,29 @@ func (host *SHost) GetIWires() ([]cloudprovider.ICloudWire, error) {
 }
 
 func (host *SHost) GetIStorages() ([]cloudprovider.ICloudStorage, error) {
-	return host.zone.GetIStorages()
+	istorages, err := host.zone.GetIStorages()
+	if err != nil {
+		return nil, err
+	}
+
+	schedulerPools, err := host.zone.getSchedulerStatsPool()
+	if err != nil {
+		return nil, err
+	}
+
+	result := []cloudprovider.ICloudStorage{}
+
+	for _, istorage := range istorages {
+		if storage := istorage.(*SStorage); len(storage.ExtraSpecs.VolumeBackendName) > 0 {
+			for _, pool := range schedulerPools {
+				if strings.HasPrefix(pool.Name, fmt.Sprintf("%s@%s", host.GetName(), storage.ExtraSpecs.VolumeBackendName)) {
+					result = append(result, istorage)
+					break
+				}
+			}
+		}
+	}
+	return result, nil
 }
 
 func (host *SHost) GetIStorageById(id string) (cloudprovider.ICloudStorage, error) {

pkg/util/openstack/zone.go

@@ -34,6 +34,14 @@ const (
 	HYPERVISORS_VERSION = "2.28"
 )
 
+type SCapabilities struct {
+}
+
+type SPool struct {
+	Name         string
+	Capabilities SCapabilities
+}
+
 type HostState struct {
 	Available bool
 	Active    bool
@@ -50,6 +58,8 @@ type SZone struct {
 
 	cachedHosts map[string][]string
 
+	schedulerPools []SPool
+
 	Hosts map[string]map[string]HostState
 }
 
@@ -90,6 +100,28 @@ func (zone *SZone) GetIWires() ([]cloudprovider.ICloudWire, error) {
 	return zone.iwires, nil
 }
 
+func (zone *SZone) fetchSchedulerStatsPool() error {
+	zone.schedulerPools = []SPool{}
+	for _, service := range []string{"volumev3", "volumev2", "volume"} {
+		_, resp, err := zone.region.List(service, "/scheduler-stats/get_pools", "", nil)
+		if err == nil {
+			if err := resp.Unmarshal(&zone.schedulerPools, "pools"); err != nil {
+				return err
+			}
+			return nil
+		}
+		log.Warningf("failed to get scheduler-stats pool by service %s error: %v, try another", service, err)
+	}
+	return fmt.Errorf("failed to find scheduler-stats pool by cinder service")
+}
+
+func (zone *SZone) getSchedulerStatsPool() ([]SPool, error) {
+	if len(zone.schedulerPools) == 0 {
+		return zone.schedulerPools, zone.fetchSchedulerStatsPool()
+	}
+	return zone.schedulerPools, nil
+}
+
 func (zone *SZone) getStorageByCategory(category string) (*SStorage, error) {
 	storages, err := zone.GetIStorages()
 	if err != nil {