32 lines
817 B
Go
32 lines
817 B
Go
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package chroot
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import (
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"fmt"
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"github.com/mitchellh/goamz/ec2"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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)
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// StepCheckRootDevice makes sure the root device on the AMI is EBS-backed.
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type StepCheckRootDevice struct{}
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func (s *StepCheckRootDevice) Run(state multistep.StateBag) multistep.StepAction {
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image := state.Get("ec2").(*ec2.Image)
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Checking the root device on source AMI...")
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// It must be EBS-backed otherwise the build won't work
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if image.RootDeviceType != "ebs" {
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err := fmt.Errorf("The root device of the source AMI must be EBS-backed.")
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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 *StepCheckRootDevice) Cleanup(multistep.StateBag) {}
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