53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
|
package chroot
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"github.com/mitchellh/goamz/ec2"
|
||
|
|
"github.com/mitchellh/multistep"
|
||
|
|
"github.com/mitchellh/packer/packer"
|
||
|
|
)
|
||
|
|
|
||
|
|
// StepSourceAMIInfo extracts critical information from the source AMI
|
||
|
|
// that is used throughout the AMI creation process.
|
||
|
|
//
|
||
|
|
// Produces:
|
||
|
|
// source_image *ec2.Image - the source AMI info
|
||
|
|
type StepSourceAMIInfo struct{}
|
||
|
|
|
||
|
|
func (s *StepSourceAMIInfo) Run(state map[string]interface{}) multistep.StepAction {
|
||
|
|
config := state["config"].(*Config)
|
||
|
|
ec2conn := state["ec2"].(*ec2.EC2)
|
||
|
|
ui := state["ui"].(packer.Ui)
|
||
|
|
|
||
|
|
ui.Say("Inspecting the source AMI...")
|
||
|
|
imageResp, err := ec2conn.Images([]string{config.SourceAmi}, ec2.NewFilter())
|
||
|
|
if err != nil {
|
||
|
|
err := fmt.Errorf("Error querying AMI: %s", err)
|
||
|
|
state["error"] = err
|
||
|
|
ui.Error(err.Error())
|
||
|
|
return multistep.ActionHalt
|
||
|
|
}
|
||
|
|
|
||
|
|
if len(imageResp.Images) == 0 {
|
||
|
|
err := fmt.Errorf("Source AMI '%s' was not found!", config.SourceAmi)
|
||
|
|
state["error"] = err
|
||
|
|
ui.Error(err.Error())
|
||
|
|
return multistep.ActionHalt
|
||
|
|
}
|
||
|
|
|
||
|
|
image := imageResp.Images[0]
|
||
|
|
|
||
|
|
// It must be EBS-backed otherwise the build won't work
|
||
|
|
if image.RootDeviceType != "ebs" {
|
||
|
|
err := fmt.Errorf("The root device of the source AMI must be EBS-backed.")
|
||
|
|
state["error"] = err
|
||
|
|
ui.Error(err.Error())
|
||
|
|
return multistep.ActionHalt
|
||
|
|
}
|
||
|
|
|
||
|
|
state["source_image"] = image
|
||
|
|
return multistep.ActionContinue
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *StepSourceAMIInfo) Cleanup(map[string]interface{}) {}
|