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