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Merge pull request #50 from chhaj5236/feature/image_without_datadisks
support creating image without data disks
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package ecs | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/denverdino/aliyungo/common" | ||
| "github.com/denverdino/aliyungo/ecs" | ||
| "github.com/hashicorp/packer/helper/multistep" | ||
| "github.com/hashicorp/packer/packer" | ||
| ) | ||
|
|
||
| type stepCreateAlicloudSnapshot struct { | ||
| snapshot *ecs.SnapshotType | ||
| } | ||
|
|
||
| func (s *stepCreateAlicloudSnapshot) Run(_ context.Context, state multistep.StateBag) multistep.StepAction { | ||
| config := state.Get("config").(Config) | ||
| client := state.Get("client").(*ecs.Client) | ||
| ui := state.Get("ui").(packer.Ui) | ||
|
|
||
| instance := state.Get("instance").(*ecs.InstanceAttributesType) | ||
| disks, _, err := client.DescribeDisks(&ecs.DescribeDisksArgs{ | ||
| RegionId: common.Region(config.AlicloudRegion), | ||
| InstanceId: instance.InstanceId, | ||
| DiskType: ecs.DiskTypeAllSystem, | ||
| }) | ||
|
|
||
| if err != nil { | ||
| return halt(state, err, "Error describe disks") | ||
| } | ||
| if len(disks) == 0 { | ||
| return halt(state, err, "Unable to find system disk of instance") | ||
| } | ||
|
|
||
| // Create the alicloud snapshot | ||
| ui.Say(fmt.Sprintf("Creating snapshot from system disk: %s", disks[0].DiskId)) | ||
|
|
||
| snapshotId, err := client.CreateSnapshot(&ecs.CreateSnapshotArgs{ | ||
| DiskId: disks[0].DiskId, | ||
| }) | ||
|
|
||
| if err != nil { | ||
| return halt(state, err, "Error creating snapshot") | ||
| } | ||
|
|
||
| err = client.WaitForSnapShotReady(common.Region(config.AlicloudRegion), | ||
| snapshotId, ALICLOUD_DEFAULT_LONG_TIMEOUT) | ||
| if err != nil { | ||
| return halt(state, err, "Timeout waiting for snapshot to be created") | ||
| } | ||
|
|
||
| snapshots, _, err := client.DescribeSnapshots(&ecs.DescribeSnapshotsArgs{ | ||
| RegionId: common.Region(config.AlicloudRegion), | ||
| SnapshotIds: []string{snapshotId}, | ||
| }) | ||
|
|
||
| if err != nil { | ||
| return halt(state, err, "Error querying created snapshot") | ||
| } | ||
| if len(snapshots) == 0 { | ||
| return halt(state, err, "Unable to find created snapshot") | ||
| } | ||
| s.snapshot = &snapshots[0] | ||
|
|
||
| state.Put("alicloudsnapshot", snapshotId) | ||
| alicloudSnapshots := make(map[string]string) | ||
| alicloudSnapshots[config.AlicloudRegion] = snapshotId | ||
| state.Put("alicloudsnapshots", alicloudSnapshots) | ||
|
|
||
| return multistep.ActionContinue | ||
| } | ||
|
|
||
| func (s *stepCreateAlicloudSnapshot) Cleanup(state multistep.StateBag) { | ||
| if s.snapshot == nil { | ||
| return | ||
| } | ||
| _, cancelled := state.GetOk(multistep.StateCancelled) | ||
| _, halted := state.GetOk(multistep.StateHalted) | ||
| if !cancelled && !halted { | ||
| return | ||
| } | ||
|
|
||
| client := state.Get("client").(*ecs.Client) | ||
| ui := state.Get("ui").(packer.Ui) | ||
|
|
||
| ui.Say("Deleting the snapshot because of cancellation or error...") | ||
| if err := client.DeleteSnapshot(s.snapshot.SnapshotId); err != nil { | ||
| ui.Error(fmt.Sprintf("Error deleting snapshot, it may still be around: %s", err)) | ||
| return | ||
| } | ||
| } |