packer-cn/builder/azure/chroot/step_create_snapshotset.go

127 lines
3.9 KiB
Go

package chroot
import (
"context"
"fmt"
"log"
"strings"
"time"
"github.com/hashicorp/packer-plugin-sdk/multistep"
packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
"github.com/hashicorp/packer/builder/azure/common/client"
"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2019-12-01/compute"
"github.com/Azure/go-autorest/autorest/to"
)
var _ multistep.Step = &StepCreateSnapshotset{}
type StepCreateSnapshotset struct {
OSDiskSnapshotID string
DataDiskSnapshotIDPrefix string
Location string
SkipCleanup bool
snapshots Diskset
}
func (s *StepCreateSnapshotset) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
azcli := state.Get("azureclient").(client.AzureClientSet)
ui := state.Get("ui").(packersdk.Ui)
diskset := state.Get(stateBagKey_Diskset).(Diskset)
s.snapshots = make(Diskset)
errorMessage := func(format string, params ...interface{}) multistep.StepAction {
err := fmt.Errorf("StepCreateSnapshotset.Run: error: "+format, params...)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
for lun, resource := range diskset {
snapshotID := fmt.Sprintf("%s%d", s.DataDiskSnapshotIDPrefix, lun)
if lun == -1 {
snapshotID = s.OSDiskSnapshotID
}
ssr, err := client.ParseResourceID(snapshotID)
if err != nil {
errorMessage("Could not create a valid resource id, tried %q: %v", snapshotID, err)
}
if !strings.EqualFold(ssr.Provider, "Microsoft.Compute") ||
!strings.EqualFold(ssr.ResourceType.String(), "snapshots") {
return errorMessage("Resource %q is not of type Microsoft.Compute/snapshots", snapshotID)
}
s.snapshots[lun] = ssr
state.Put(stateBagKey_Snapshotset, s.snapshots)
ui.Say(fmt.Sprintf("Creating snapshot %q", ssr))
snapshot := compute.Snapshot{
Location: to.StringPtr(s.Location),
SnapshotProperties: &compute.SnapshotProperties{
CreationData: &compute.CreationData{
CreateOption: compute.Copy,
SourceResourceID: to.StringPtr(resource.String()),
},
Incremental: to.BoolPtr(false),
},
}
f, err := azcli.SnapshotsClient().CreateOrUpdate(ctx, ssr.ResourceGroup, ssr.ResourceName.String(), snapshot)
if err != nil {
return errorMessage("error initiating snapshot %q: %v", ssr, err)
}
pollClient := azcli.PollClient()
pollClient.PollingDelay = 2 * time.Second
ctx, cancel := context.WithTimeout(ctx, time.Hour*12)
defer cancel()
err = f.WaitForCompletionRef(ctx, pollClient)
if err != nil {
return errorMessage("error creating snapshot '%s': %v", s.OSDiskSnapshotID, err)
}
}
return multistep.ActionContinue
}
func (s *StepCreateSnapshotset) Cleanup(state multistep.StateBag) {
if !s.SkipCleanup {
azcli := state.Get("azureclient").(client.AzureClientSet)
ui := state.Get("ui").(packersdk.Ui)
for _, resource := range s.snapshots {
ui.Say(fmt.Sprintf("Removing any active SAS for snapshot %q", resource))
{
f, err := azcli.SnapshotsClient().RevokeAccess(context.TODO(), resource.ResourceGroup, resource.ResourceName.String())
if err == nil {
log.Printf("StepCreateSnapshotset.Cleanup: removing SAS...")
err = f.WaitForCompletionRef(context.TODO(), azcli.PollClient())
}
if err != nil {
log.Printf("StepCreateSnapshotset.Cleanup: error: %+v", err)
ui.Error(fmt.Sprintf("error deleting snapshot %q: %v.", resource, err))
}
}
ui.Say(fmt.Sprintf("Deleting snapshot %q", resource))
{
f, err := azcli.SnapshotsClient().Delete(context.TODO(), resource.ResourceGroup, resource.ResourceName.String())
if err == nil {
log.Printf("StepCreateSnapshotset.Cleanup: deleting snapshot...")
err = f.WaitForCompletionRef(context.TODO(), azcli.PollClient())
}
if err != nil {
log.Printf("StepCreateSnapshotset.Cleanup: error: %+v", err)
ui.Error(fmt.Sprintf("error deleting snapshot %q: %v.", resource, err))
}
}
}
}
}