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fix azure disk attach failure for disk size bigger than 4TB

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test: add debugging info

fix test failure

remove debugging info

add condition
This commit is contained in:
andyzhangx 2020-10-10 06:51:02 +00:00
parent fb3e2c42ef
commit daa4d76643
2 changed files with 26 additions and 7 deletions
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20
staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_common.go
View File

@ -44,6 +44,9 @@ const (
maxStorageAccounts = 100 // max # is 200 (250 with special request). this allows 100 for everything else including stand alone disks
maxDisksPerStorageAccounts = 60
storageAccountUtilizationBeforeGrowing = 0.5
// Disk Caching is not supported for disks 4 TiB and larger
// https://docs.microsoft.com/en-us/azure/virtual-machines/premium-storage-performance#disk-caching
diskCachingLimit = 4096 // GiB
maxLUN = 64 // max number of LUNs per VM
errLeaseFailed = "AcquireDiskLeaseFailed"
@ -156,10 +159,21 @@ func (c *controllerCommon) AttachDisk(isManagedDisk bool, diskName, diskURI stri
return -1, danglingErr
}
if disk.DiskProperties != nil && disk.DiskProperties.Encryption != nil &&
disk.DiskProperties.Encryption.DiskEncryptionSetID != nil {
diskEncryptionSetID = *disk.DiskProperties.Encryption.DiskEncryptionSetID
if disk.DiskProperties != nil {
if disk.DiskProperties.DiskSizeGB != nil && *disk.DiskProperties.DiskSizeGB >= diskCachingLimit && cachingMode != compute.CachingTypesNone {
// Disk Caching is not supported for disks 4 TiB and larger
// https://docs.microsoft.com/en-us/azure/virtual-machines/premium-storage-performance#disk-caching
cachingMode = compute.CachingTypesNone
klog.Warningf("size of disk(%s) is %dGB which is bigger than limit(%dGB), set cacheMode as None",
diskURI, *disk.DiskProperties.DiskSizeGB, diskCachingLimit)
}
if disk.DiskProperties.Encryption != nil &&
disk.DiskProperties.Encryption.DiskEncryptionSetID != nil {
diskEncryptionSetID = *disk.DiskProperties.Encryption.DiskEncryptionSetID
}
}
if v, ok := disk.Tags[WriteAcceleratorEnabled]; ok {
if v != nil && strings.EqualFold(*v, "true") {
writeAcceleratorEnabled = true

13
staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_common_test.go
View File

@ -77,10 +77,15 @@ func TestCommonAttachDisk(t *testing.T) {
expectedErr: true,
},
{
desc: "correct LUN and no error shall be returned if everything is good",
vmList: map[string]string{"vm1": "PowerState/Running"},
nodeName: "vm1",
existedDisk: compute.Disk{Name: to.StringPtr("disk-name"), DiskProperties: &compute.DiskProperties{Encryption: &compute.Encryption{DiskEncryptionSetID: &diskEncryptionSetID, Type: compute.EncryptionAtRestWithCustomerKey}}, Tags: testTags},
desc: "correct LUN and no error shall be returned if everything is good",
vmList: map[string]string{"vm1": "PowerState/Running"},
nodeName: "vm1",
existedDisk: compute.Disk{Name: to.StringPtr("disk-name"),
DiskProperties: &compute.DiskProperties{
Encryption: &compute.Encryption{DiskEncryptionSetID: &diskEncryptionSetID, Type: compute.EncryptionAtRestWithCustomerKey},
DiskSizeGB: to.Int32Ptr(4096),
},
Tags: testTags},
expectedLun: 1,
expectedErr: false,
},