91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
package ecs
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import (
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"context"
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"fmt"
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"github.com/aliyun/alibaba-cloud-sdk-go/sdk/errors"
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"time"
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"github.com/aliyun/alibaba-cloud-sdk-go/services/ecs"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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)
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type stepCreateAlicloudSnapshot struct {
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snapshot *ecs.Snapshot
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WaitSnapshotReadyTimeout int
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}
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func (s *stepCreateAlicloudSnapshot) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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config := state.Get("config").(*Config)
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client := state.Get("client").(*ClientWrapper)
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ui := state.Get("ui").(packer.Ui)
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instance := state.Get("instance").(*ecs.Instance)
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describeDisksRequest := ecs.CreateDescribeDisksRequest()
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describeDisksRequest.RegionId = config.AlicloudRegion
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describeDisksRequest.InstanceId = instance.InstanceId
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describeDisksRequest.DiskType = DiskTypeSystem
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disksResponse, err := client.DescribeDisks(describeDisksRequest)
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if err != nil {
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return halt(state, err, "Error describe disks")
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}
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disks := disksResponse.Disks.Disk
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if len(disks) == 0 {
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return halt(state, err, "Unable to find system disk of instance")
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}
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createSnapshotRequest := ecs.CreateCreateSnapshotRequest()
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createSnapshotRequest.DiskId = disks[0].DiskId
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snapshot, err := client.CreateSnapshot(createSnapshotRequest)
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if err != nil {
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return halt(state, err, "Error creating snapshot")
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}
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// Create the alicloud snapshot
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ui.Say(fmt.Sprintf("Creating snapshot from system disk %s: %s", disks[0].DiskId, snapshot.SnapshotId))
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snapshotsResponse, err := client.WaitForSnapshotStatus(config.AlicloudRegion, snapshot.SnapshotId, SnapshotStatusAccomplished, time.Duration(s.WaitSnapshotReadyTimeout)*time.Second)
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if err != nil {
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_, ok := err.(errors.Error)
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if ok {
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return halt(state, err, "Error querying created snapshot")
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}
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return halt(state, err, "Timeout waiting for snapshot to be created")
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}
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snapshots := snapshotsResponse.(*ecs.DescribeSnapshotsResponse).Snapshots.Snapshot
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if len(snapshots) == 0 {
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return halt(state, err, "Unable to find created snapshot")
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}
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s.snapshot = &snapshots[0]
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state.Put("alicloudsnapshot", snapshot.SnapshotId)
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return multistep.ActionContinue
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}
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func (s *stepCreateAlicloudSnapshot) Cleanup(state multistep.StateBag) {
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if s.snapshot == nil {
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return
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}
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_, cancelled := state.GetOk(multistep.StateCancelled)
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_, halted := state.GetOk(multistep.StateHalted)
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if !cancelled && !halted {
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return
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}
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client := state.Get("client").(*ClientWrapper)
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Deleting the snapshot because of cancellation or error...")
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deleteSnapshotRequest := ecs.CreateDeleteSnapshotRequest()
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deleteSnapshotRequest.SnapshotId = s.snapshot.SnapshotId
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if _, err := client.DeleteSnapshot(deleteSnapshotRequest); err != nil {
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ui.Error(fmt.Sprintf("Error deleting snapshot, it may still be around: %s", err))
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return
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}
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}
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