-
Notifications
You must be signed in to change notification settings - Fork 9
/
expand_volume.go
79 lines (67 loc) · 2.72 KB
/
expand_volume.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/**
* Copyright 2021 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 (
"time"
"github.com/IBM/ibmcloud-volume-interface/lib/metrics"
"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"
)
// GiB ...
const (
GiB = 1024 * 1024 * 1024
)
// ExpandVolume Get the volume by using ID
func (vpcs *VPCSession) ExpandVolume(expandVolumeRequest provider.ExpandVolumeRequest) (size int64, err error) {
vpcs.Logger.Debug("Entry of ExpandVolume method...")
defer vpcs.Logger.Debug("Exit from ExpandVolume method...")
defer metrics.UpdateDurationFromStart(vpcs.Logger, "ExpandVolume", time.Now())
// Get volume details
existVolume, err := vpcs.GetVolume(expandVolumeRequest.VolumeID)
if err != nil {
return -1, err
}
// Return existing Capacity if its greater or equal to expandable size
if existVolume.Capacity != nil && int64(*existVolume.Capacity) >= expandVolumeRequest.Capacity {
return int64(*existVolume.Capacity), nil
}
vpcs.Logger.Info("Successfully validated inputs for ExpandVolume request... ")
newSize := roundUpSize(expandVolumeRequest.Capacity, GiB)
// Build the template to send to backend
volumeTemplate := &models.Volume{
Capacity: newSize,
}
vpcs.Logger.Info("Calling VPC provider for volume expand...")
var volume *models.Volume
err = retry(vpcs.Logger, func() error {
volume, err = vpcs.Apiclient.VolumeService().ExpandVolume(expandVolumeRequest.VolumeID, volumeTemplate, vpcs.Logger)
return err
})
if err != nil {
vpcs.Logger.Debug("Failed to expand volume from VPC provider", zap.Reflect("BackendError", err))
return -1, userError.GetUserError("FailedToExpandVolume", err, expandVolumeRequest.VolumeID)
}
vpcs.Logger.Info("Successfully accepted volume expansion request, now waiting for volume state equal to available")
err = WaitForValidVolumeState(vpcs, volume)
if err != nil {
return -1, userError.GetUserError("VolumeNotInValidState", err, volume.ID)
}
vpcs.Logger.Info("Volume got valid (available) state", zap.Reflect("VolumeDetails", volume))
return expandVolumeRequest.Capacity, nil
}