/
volume.go
160 lines (130 loc) · 4.6 KB
/
volume.go
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package vcd
import (
"fmt"
"net/http"
"net/url"
"strconv"
"github.com/go-logr/logr"
"github.com/vmware/cloud-provider-for-cloud-director/pkg/vcdsdk"
"github.com/vmware/go-vcloud-director/v2/types/v56"
)
func GetDiskRecordsOfClusterByDescription(vcdClient *vcdsdk.Client, clusterId string) ([]*types.DiskRecordType, error) {
filter := "description==" + url.QueryEscape(clusterId)
params := map[string]string{"type": "disk", "filter": filter, "filterEncoded": "true"}
page := 1
disks := make([]*types.DiskRecordType, 0)
for {
params["page"] = strconv.Itoa(page)
results, err := vcdClient.VCDClient.QueryWithNotEncodedParams(nil, params)
if err != nil {
return nil, fmt.Errorf("failed to list disk records by description. description[%s] page[%d] [%v]",
clusterId, page, err)
}
disks = append(disks, results.Results.DiskRecord...)
if !nextPageExists(results.Results.Link) {
break
}
page++
}
return disks, nil
}
func GetDiskByHref(vcdClient *vcdsdk.Client, diskHref string) (*types.Disk, error) {
disk := &types.Disk{}
_, err := vcdClient.VCDClient.Client.ExecuteRequestWithApiVersion(diskHref, http.MethodGet,
"", "error retrieving Disk: %#v", nil, disk, vcdClient.VCDClient.Client.APIVersion)
return disk, err
}
func DetachFromAllVms(vcdClient *vcdsdk.Client, vAppName string, disk *types.Disk, log logr.Logger) error {
vdcManager, err := vcdsdk.NewVDCManager(vcdClient, vcdClient.ClusterOrgName, vcdClient.ClusterOVDCName)
if err != nil {
return fmt.Errorf("unable to initialize vdcManager: [%v]", err)
}
vms, err := getAllAttachedVms(vcdClient, disk)
if err != nil {
return fmt.Errorf("unable to get attached VMs to disk:[%s] [%v]", disk.Name, err)
}
for _, vm := range vms {
log.Info(fmt.Sprintf("Detaching [%s] from [%s]", disk.Name, vm.Name))
err = detachDiskFromVM(vdcManager, vAppName, vm.Name, disk)
if err != nil {
return err
}
}
// when there is a VM attached to the disk, there is no remove link on disk object initially.
// After detaching VMs, we need to refresh disk links.
if len(vms) > 0 {
refreshed, err := GetDiskByHref(vcdClient, disk.HREF)
if err != nil {
return err
}
*disk = *refreshed
}
return nil
}
func DeleteDisk(vcdClient *vcdsdk.Client, disk *types.Disk) error {
var deleteDiskLink *types.Link
// Find the proper link for request
for _, diskLink := range disk.Link {
if diskLink.Rel == types.RelRemove {
deleteDiskLink = diskLink
break
}
}
if deleteDiskLink == nil {
return fmt.Errorf("could not find request URL for delete disk in disk Link")
}
// Return the task
task, err := vcdClient.VCDClient.Client.ExecuteTaskRequestWithApiVersion(deleteDiskLink.HREF, http.MethodDelete,
"", "error delete disk: %s", nil,
vcdClient.VCDClient.Client.APIVersion)
if err != nil {
return fmt.Errorf("failed to execute deletion task of disk [%s]: [%v]", disk.Name, err)
}
err = task.WaitTaskCompletion()
if err != nil {
return fmt.Errorf("failed to wait for deletion task of disk [%s]: [%v]", disk.Name, err)
}
return nil
}
// inspired from https://github.com/vmware/cloud-director-named-disk-csi-driver/blob/6e3b7b79efdced300b4bd65dcdc98b07658fbfe7/pkg/vcdcsiclient/disks.go#L293
func getAllAttachedVms(vcdClient *vcdsdk.Client, disk *types.Disk) ([]*types.Reference, error) {
var attachedVMLink *types.Link
// Find the proper link for request
for _, diskLink := range disk.Link {
if diskLink.Type == types.MimeVMs {
attachedVMLink = diskLink
break
}
}
if attachedVMLink == nil {
return []*types.Reference{}, nil
}
// Decode request
attachedVMs := types.Vms{}
_, err := vcdClient.VCDClient.Client.ExecuteRequestWithApiVersion(attachedVMLink.HREF, http.MethodGet,
attachedVMLink.Type, "error getting attached vms: %s", nil, &attachedVMs, vcdClient.VCDClient.Client.APIVersion)
return attachedVMs.VmReference, err
}
// inspired from https://github.com/vmware/cloud-director-named-disk-csi-driver/blob/6e3b7b79efdced300b4bd65dcdc98b07658fbfe7/pkg/vcdcsiclient/disks.go#L514
func detachDiskFromVM(vdcManager *vcdsdk.VdcManager, vAppName string, vmName string, disk *types.Disk) error {
vm, err := vdcManager.FindVMByName(vAppName, vmName)
if err != nil {
return fmt.Errorf("unable to get vm: [%v]", err)
}
params := &types.DiskAttachOrDetachParams{
Disk: &types.Reference{HREF: disk.HREF},
}
task, err := vm.DetachDisk(params)
if err != nil {
return fmt.Errorf("unable to detack disk [%s] from vm[%s] [%v]", disk.Name, vmName, err)
}
return task.WaitTaskCompletion()
}
func nextPageExists(links []*types.Link) bool {
for _, link := range links {
if link.Rel == "nextPage" {
return true
}
}
return false
}