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create_volume.go
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create_volume.go
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/*******************************************************************************
* IBM Confidential
* OCO Source Materials
* IBM Cloud Container Service, 5737-D43
* (C) Copyright IBM Corp. 2018, 2019 All Rights Reserved.
* The source code for this program is not published or otherwise divested of
* its trade secrets, irrespective of what has been deposited with
* the U.S. Copyright Office.
******************************************************************************/
package provider
import (
"github.com/IBM/ibmcloud-storage-volume-lib/lib/provider"
userError "github.com/IBM/ibmcloud-storage-volume-lib/volume-providers/vpc/messages"
"github.com/IBM/ibmcloud-storage-volume-lib/volume-providers/vpc/vpcclient/models"
"go.uber.org/zap"
)
const (
customProfile = "custom"
minSize = 10
)
// CreateVolume Get the volume by using ID
func (vpcs *VPCSession) CreateVolume(volumeRequest provider.Volume) (volumeResponse *provider.Volume, err error) {
vpcs.Logger.Debug("Entry of CreateVolume method...")
defer vpcs.Logger.Debug("Exit from CreateVolume method...")
vpcs.Logger.Info("Basic validation for CreateVolume request... ", zap.Reflect("RequestedVolumeDetails", volumeRequest))
resourceGroup, iops, err := validateVolumeRequest(volumeRequest)
if err != nil {
return nil, err
}
vpcs.Logger.Info("Successfully validated inputs for CreateVolume request... ")
// Build the template to send to backend
volumeTemplate := &models.Volume{
Name: *volumeRequest.Name,
Capacity: int64(*volumeRequest.Capacity),
Iops: iops,
Tags: volumeRequest.VPCVolume.Tags,
ResourceGroup: &resourceGroup,
Generation: models.GenerationType(volumeRequest.Generation),
Profile: &models.Profile{
Name: volumeRequest.VPCVolume.Profile.Name,
},
Zone: &models.Zone{
Name: volumeRequest.Az,
},
}
var encryptionKeyCRN string
if volumeRequest.VPCVolume.VolumeEncryptionKey != nil && len(volumeRequest.VPCVolume.VolumeEncryptionKey.CRN) > 0 {
encryptionKeyCRN = volumeRequest.VPCVolume.VolumeEncryptionKey.CRN
volumeTemplate.VolumeEncryptionKey = &models.VolumeEncryptionKey{CRN: encryptionKeyCRN}
}
vpcs.Logger.Info("Calling VPC provider for volume creation...")
var volume *models.Volume
err = retry(vpcs.Logger, func() error {
volume, err = vpcs.Apiclient.VolumeService().CreateVolume(volumeTemplate, vpcs.Logger)
return err
})
if err != nil {
vpcs.Logger.Debug("Failed to create volume from VPC provider", zap.Reflect("BackendError", err))
return nil, userError.GetUserError("FailedToPlaceOrder", err)
}
vpcs.Logger.Info("Successfully created volume from VPC provider...", zap.Reflect("VolumeDetails", volume))
vpcs.Logger.Info("Waiting for volume to be in valid (available) state", zap.Reflect("VolumeDetails", volume))
err = WaitForValidVolumeState(vpcs, volume.ID)
if err != nil {
return nil, userError.GetUserError("VolumeNotInValidState", err, volume.ID)
}
vpcs.Logger.Info("Volume got valid (available) state", zap.Reflect("VolumeDetails", volume))
// Converting volume to lib volume type
volumeResponse = FromProviderToLibVolume(volume, vpcs.Logger)
return volumeResponse, err
}
// validateVolumeRequest validating volume request
func validateVolumeRequest(volumeRequest provider.Volume) (models.ResourceGroup, int64, error) {
resourceGroup := models.ResourceGroup{}
var iops int64
iops = 0
// Volume name should not be empty
if volumeRequest.Name == nil {
return resourceGroup, iops, userError.GetUserError("InvalidVolumeName", nil, nil)
} else if len(*volumeRequest.Name) == 0 {
return resourceGroup, iops, userError.GetUserError("InvalidVolumeName", nil, *volumeRequest.Name)
}
// Capacity should not be empty
if volumeRequest.Capacity == nil {
return resourceGroup, iops, userError.GetUserError("VolumeCapacityInvalid", nil, nil)
} else if *volumeRequest.Capacity < minSize {
return resourceGroup, iops, userError.GetUserError("VolumeCapacityInvalid", nil, *volumeRequest.Capacity)
}
// Read user provided error, no harm to pass the 0 values to RIaaS in case of tiered profiles
if volumeRequest.Iops != nil {
iops = ToInt64(*volumeRequest.Iops)
}
if volumeRequest.VPCVolume.Profile.Name != customProfile && iops > 0 {
return resourceGroup, iops, userError.GetUserError("VolumeProfileIopsInvalid", nil)
}
// validate and add resource group ID or Name whichever is provided by user
if volumeRequest.VPCVolume.ResourceGroup == nil {
return resourceGroup, iops, userError.GetUserError("EmptyResourceGroup", nil)
}
// validate and add resource group ID or Name whichever is provided by user
if len(volumeRequest.VPCVolume.ResourceGroup.ID) == 0 && len(volumeRequest.VPCVolume.ResourceGroup.Name) == 0 {
return resourceGroup, iops, userError.GetUserError("EmptyResourceGroupIDandName", nil)
}
if len(volumeRequest.VPCVolume.ResourceGroup.ID) > 0 {
resourceGroup.ID = volumeRequest.VPCVolume.ResourceGroup.ID
}
if len(volumeRequest.VPCVolume.ResourceGroup.Name) > 0 {
// get the resource group ID from resource group name as Name is not supported by RIaaS
resourceGroup.Name = volumeRequest.VPCVolume.ResourceGroup.Name
}
return resourceGroup, iops, nil
}