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get_volume.go
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get_volume.go
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/**
* Copyright 2020 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Package provider ...
package provider
import (
"github.com/IBM/ibmcloud-volume-interface/lib/provider"
userError "github.com/IBM/ibmcloud-volume-vpc/common/messages"
"github.com/IBM/ibmcloud-volume-vpc/common/vpcclient/models"
"go.uber.org/zap"
)
// GetVolume gets the volume by using ID
func (vpcs *VPCSession) GetVolume(id string) (respVolume *provider.Volume, err error) {
vpcs.Logger.Debug("Entry of GetVolume method...")
defer vpcs.Logger.Debug("Exit from GetVolume method...")
vpcs.Logger.Info("Basic validation for volume ID...", zap.Reflect("VolumeID", id))
// validating volume ID
err = validateVolumeID(id)
if err != nil {
return nil, err
}
vpcs.Logger.Info("Getting volume details from VPC provider...", zap.Reflect("VolumeID", id))
var volume *models.Volume
err = retry(vpcs.Logger, func() error {
volume, err = vpcs.Apiclient.VolumeService().GetVolume(id, vpcs.Logger)
return err
})
if err != nil {
return nil, userError.GetUserError("StorageFindFailedWithVolumeId", err, id)
}
vpcs.Logger.Info("Successfully retrieved volume details from VPC backend", zap.Reflect("VolumeDetails", volume))
// Converting volume to lib volume type
respVolume = FromProviderToLibVolume(volume, vpcs.Logger)
return respVolume, err
}
// GetVolumeByName ...
func (vpcs *VPCSession) GetVolumeByName(name string) (respVolume *provider.Volume, err error) {
vpcs.Logger.Debug("Entry of GetVolumeByName method...")
defer vpcs.Logger.Debug("Exit from GetVolumeByName method...")
vpcs.Logger.Info("Basic validation for volume Name...", zap.Reflect("VolumeName", name))
if len(name) <= 0 {
err = userError.GetUserError("InvalidVolumeName", nil, name)
return
}
vpcs.Logger.Info("Getting volume details from VPC provider...", zap.Reflect("VolumeName", name))
var volume *models.Volume
err = retry(vpcs.Logger, func() error {
volume, err = vpcs.Apiclient.VolumeService().GetVolumeByName(name, vpcs.Logger)
return err
})
if err != nil {
return nil, userError.GetUserError("StorageFindFailedWithVolumeName", err, name)
}
vpcs.Logger.Info("Successfully retrieved volume details from VPC backend", zap.Reflect("VolumeDetails", volume))
// Converting volume to lib volume type
respVolume = FromProviderToLibVolume(volume, vpcs.Logger)
return respVolume, err
}
// validateVolumeID validating basic volume ID
func validateVolumeID(volumeID string) (err error) {
if IsValidVolumeIDFormat(volumeID) {
return nil
}
err = userError.GetUserError("InvalidVolumeID", nil, volumeID)
return
}