93 lines
2.6 KiB
Go
93 lines
2.6 KiB
Go
package ebs
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import (
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"fmt"
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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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type stepCreateAMI struct {
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image *ec2.Image
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}
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func (s *stepCreateAMI) 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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instance := state.Get("instance").(*ec2.Instance)
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ui := state.Get("ui").(packer.Ui)
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// Create the image
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ui.Say(fmt.Sprintf("Creating the AMI: %s", config.AMIName))
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createOpts := &ec2.CreateImageInput{
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InstanceID: instance.InstanceID,
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Name: &config.AMIName,
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BlockDeviceMappings: config.BlockDevices.BuildAMIDevices(),
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}
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createResp, err := ec2conn.CreateImage(createOpts)
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if err != nil {
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err := fmt.Errorf("Error creating 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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// Set the AMI ID in the state
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ui.Message(fmt.Sprintf("AMI: %s", *createResp.ImageID))
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amis := make(map[string]string)
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amis[*ec2conn.Config.Region] = *createResp.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, *createResp.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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imagesResp, err := ec2conn.DescribeImages(&ec2.DescribeImagesInput{ImageIDs: []*string{createResp.ImageID}})
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if err != nil {
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err := fmt.Errorf("Error searching 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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s.image = imagesResp.Images[0]
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return multistep.ActionContinue
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}
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func (s *stepCreateAMI) Cleanup(state multistep.StateBag) {
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if s.image == 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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ec2conn := state.Get("ec2").(*ec2.EC2)
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Deregistering the AMI because cancelation or error...")
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deregisterOpts := &ec2.DeregisterImageInput{ImageID: s.image.ImageID}
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if _, err := ec2conn.DeregisterImage(deregisterOpts); err != nil {
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ui.Error(fmt.Sprintf("Error deregistering AMI, may still be around: %s", err))
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return
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}
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}
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