134 lines
3.9 KiB
Go
134 lines
3.9 KiB
Go
package chroot
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import (
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"fmt"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/mitchellh/multistep"
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awscommon "github.com/mitchellh/packer/builder/amazon/common"
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"github.com/mitchellh/packer/packer"
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)
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// StepRegisterAMI creates the AMI.
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type StepRegisterAMI struct {
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RootVolumeSize int64
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}
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func (s *StepRegisterAMI) Run(state multistep.StateBag) multistep.StepAction {
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config := state.Get("config").(*Config)
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ec2conn := state.Get("ec2").(*ec2.EC2)
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snapshotId := state.Get("snapshot_id").(string)
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Registering the AMI...")
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var (
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registerOpts *ec2.RegisterImageInput
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blockDevices []*ec2.BlockDeviceMapping
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image *ec2.Image
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rootDeviceName string
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)
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if config.FromScratch {
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blockDevices = config.AMIBlockDevices.BuildAMIDevices()
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rootDeviceName = config.RootDeviceName
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} else {
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image = state.Get("source_image").(*ec2.Image)
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blockDevices = make([]*ec2.BlockDeviceMapping, len(image.BlockDeviceMappings))
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rootDeviceName = *image.RootDeviceName
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}
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for i, device := range blockDevices {
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newDevice := device
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if *newDevice.DeviceName == rootDeviceName {
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if newDevice.Ebs != nil {
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newDevice.Ebs.SnapshotId = aws.String(snapshotId)
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} else {
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newDevice.Ebs = &ec2.EbsBlockDevice{SnapshotId: aws.String(snapshotId)}
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}
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if config.FromScratch || s.RootVolumeSize > *newDevice.Ebs.VolumeSize {
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newDevice.Ebs.VolumeSize = aws.Int64(s.RootVolumeSize)
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}
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}
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// assume working from a snapshot, so we unset the Encrypted field if set,
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// otherwise AWS API will return InvalidParameter
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if newDevice.Ebs != nil && newDevice.Ebs.Encrypted != nil {
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newDevice.Ebs.Encrypted = nil
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}
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blockDevices[i] = newDevice
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}
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if config.FromScratch {
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registerOpts = &ec2.RegisterImageInput{
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Name: &config.AMIName,
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Architecture: aws.String(ec2.ArchitectureValuesX8664),
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RootDeviceName: aws.String(rootDeviceName),
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VirtualizationType: aws.String(config.AMIVirtType),
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BlockDeviceMappings: blockDevices,
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}
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} else {
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registerOpts = buildRegisterOpts(config, image, blockDevices)
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}
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// Set SriovNetSupport to "simple". See http://goo.gl/icuXh5
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if config.AMIEnhancedNetworking {
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registerOpts.SriovNetSupport = aws.String("simple")
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}
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registerResp, err := ec2conn.RegisterImage(registerOpts)
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if err != nil {
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state.Put("error", fmt.Errorf("Error registering AMI: %s", err))
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ui.Error(state.Get("error").(error).Error())
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return multistep.ActionHalt
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}
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// Set the AMI ID in the state
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ui.Say(fmt.Sprintf("AMI: %s", *registerResp.ImageId))
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amis := make(map[string]string)
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amis[*ec2conn.Config.Region] = *registerResp.ImageId
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state.Put("amis", amis)
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// Wait for the image to become ready
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stateChange := awscommon.StateChangeConf{
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Pending: []string{"pending"},
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Target: "available",
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Refresh: awscommon.AMIStateRefreshFunc(ec2conn, *registerResp.ImageId),
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StepState: state,
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}
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ui.Say("Waiting for AMI to become ready...")
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if _, err := awscommon.WaitForState(&stateChange); err != nil {
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err := fmt.Errorf("Error waiting for AMI: %s", 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 *StepRegisterAMI) Cleanup(state multistep.StateBag) {}
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func buildRegisterOpts(config *Config, image *ec2.Image, blockDevices []*ec2.BlockDeviceMapping) *ec2.RegisterImageInput {
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registerOpts := &ec2.RegisterImageInput{
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Name: &config.AMIName,
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Architecture: image.Architecture,
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RootDeviceName: image.RootDeviceName,
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BlockDeviceMappings: blockDevices,
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VirtualizationType: image.VirtualizationType,
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}
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if config.AMIVirtType != "" {
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registerOpts.VirtualizationType = aws.String(config.AMIVirtType)
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}
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if config.AMIVirtType != "hvm" {
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registerOpts.KernelId = image.KernelId
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registerOpts.RamdiskId = image.RamdiskId
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}
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return registerOpts
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}
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