89 lines
2.4 KiB
Go
89 lines
2.4 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/denverdino/aliyungo/common"
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"github.com/denverdino/aliyungo/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.SnapshotType
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WaitSnapshotReadyTimeout int
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}
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func (s *stepCreateAlicloudSnapshot) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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config := state.Get("config").(*Config)
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client := state.Get("client").(*ecs.Client)
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ui := state.Get("ui").(packer.Ui)
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instance := state.Get("instance").(*ecs.InstanceAttributesType)
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disks, _, err := client.DescribeDisks(&ecs.DescribeDisksArgs{
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RegionId: common.Region(config.AlicloudRegion),
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InstanceId: instance.InstanceId,
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DiskType: ecs.DiskTypeAllSystem,
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})
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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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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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// Create the alicloud snapshot
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ui.Say(fmt.Sprintf("Creating snapshot from system disk: %s", disks[0].DiskId))
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snapshotId, err := client.CreateSnapshot(&ecs.CreateSnapshotArgs{
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DiskId: disks[0].DiskId,
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})
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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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err = client.WaitForSnapShotReady(common.Region(config.AlicloudRegion), snapshotId, s.WaitSnapshotReadyTimeout)
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if err != nil {
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return halt(state, err, "Timeout waiting for snapshot to be created")
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}
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snapshots, _, err := client.DescribeSnapshots(&ecs.DescribeSnapshotsArgs{
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RegionId: common.Region(config.AlicloudRegion),
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SnapshotIds: []string{snapshotId},
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})
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if err != nil {
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return halt(state, err, "Error querying created snapshot")
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}
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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", 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").(*ecs.Client)
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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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if err := client.DeleteSnapshot(s.snapshot.SnapshotId); 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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