124 lines
3.7 KiB
Go
124 lines
3.7 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/2019-07-01/compute"
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"github.com/Azure/go-autorest/autorest/azure"
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"github.com/Azure/go-autorest/autorest/to"
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)
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var _ multistep.Step = &StepCreateSnapshot{}
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type StepCreateSnapshot struct {
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ResourceID string
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Location string
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SkipCleanup bool
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subscriptionID, resourceGroup, snapshotName string
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}
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func parseSnapshotResourceID(resourceID string) (subscriptionID, resourceGroup, snapshotName string, err error) {
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r, err := azure.ParseResourceID(resourceID)
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if err != nil {
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return "", "", "", err
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}
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if !strings.EqualFold(r.Provider, "Microsoft.Compute") ||
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!strings.EqualFold(r.ResourceType, "snapshots") {
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return "", "", "", fmt.Errorf("Resource %q is not of type Microsoft.Compute/snapshots", resourceID)
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}
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return r.SubscriptionID, r.ResourceGroup, r.ResourceName, nil
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}
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func (s *StepCreateSnapshot) 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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osDiskResourceID := state.Get(stateBagKey_OSDiskResourceID).(string)
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state.Put(stateBagKey_OSDiskSnapshotResourceID, s.ResourceID)
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ui.Say(fmt.Sprintf("Creating snapshot '%s'", s.ResourceID))
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var err error
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s.subscriptionID, s.resourceGroup, s.snapshotName, err = parseSnapshotResourceID(s.ResourceID)
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if err != nil {
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log.Printf("StepCreateSnapshot.Run: error: %+v", err)
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err := fmt.Errorf(
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"error parsing resource id '%s': %v", s.ResourceID, err)
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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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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(osDiskResourceID),
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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, s.resourceGroup, s.snapshotName, snapshot)
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if err == nil {
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cli := azcli.PollClient() // quick polling for quick operations
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cli.PollingDelay = time.Second
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err = f.WaitForCompletionRef(ctx, cli)
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}
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if err != nil {
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log.Printf("StepCreateSnapshot.Run: error: %+v", err)
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err := fmt.Errorf(
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"error creating snapshot '%s': %v", s.ResourceID, err)
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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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return multistep.ActionContinue
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}
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func (s *StepCreateSnapshot) 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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ui.Say(fmt.Sprintf("Removing any active SAS for snapshot %q", s.ResourceID))
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{
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f, err := azcli.SnapshotsClient().RevokeAccess(context.TODO(), s.resourceGroup, s.snapshotName)
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if err == nil {
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log.Printf("StepCreateSnapshot.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("StepCreateSnapshot.Cleanup: error: %+v", err)
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ui.Error(fmt.Sprintf("error deleting snapshot '%s': %v.", s.ResourceID, err))
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}
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}
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ui.Say(fmt.Sprintf("Deleting snapshot %q", s.ResourceID))
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{
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f, err := azcli.SnapshotsClient().Delete(context.TODO(), s.resourceGroup, s.snapshotName)
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if err == nil {
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log.Printf("StepCreateSnapshot.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("StepCreateSnapshot.Cleanup: error: %+v", err)
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ui.Error(fmt.Sprintf("error deleting snapshot '%s': %v.", s.ResourceID, err))
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}
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}
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}
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}
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