57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
package common
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import (
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"context"
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"fmt"
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"log"
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"github.com/hashicorp/packer/helper/communicator"
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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 StepCleanupTempKeys struct {
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Comm *communicator.Config
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}
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func (s *StepCleanupTempKeys) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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// This step is mostly cosmetic; Packer deletes the ephemeral keys anyway
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// so there's no realistic situation where these keys can cause issues.
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// However, it's nice to clean up after yourself.
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comm := state.Get("communicator").(packer.Communicator)
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ui := state.Get("ui").(packer.Ui)
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if !s.Comm.SSHClearAuthorizedKeys {
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return multistep.ActionContinue
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}
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if s.Comm.Type != "ssh" {
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return multistep.ActionContinue
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}
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if s.Comm.SSHTemporaryKeyPairName == "" {
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return multistep.ActionContinue
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}
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cmd := new(packer.RemoteCmd)
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ui.Say("Trying to remove ephemeral keys from authorized_keys files")
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cmd.Command = fmt.Sprintf("sed -i.bak '/ssh-rsa.*%s$/d' ~/.ssh/authorized_keys; rm ~/.ssh/authorized_keys.bak", s.Comm.SSHTemporaryKeyPairName)
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if err := cmd.StartWithUi(comm, ui); err != nil {
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log.Printf("Error cleaning up ~/.ssh/authorized_keys; please clean up keys manually: %s", err)
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}
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cmd = new(packer.RemoteCmd)
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cmd.Command = fmt.Sprintf("sudo sed -i.bak '/ssh-rsa.*%s$/d' /root/.ssh/authorized_keys; sudo rm /root/.ssh/authorized_keys.bak", s.Comm.SSHTemporaryKeyPairName)
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if err := cmd.StartWithUi(comm, ui); err != nil {
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log.Printf("Error cleaning up /root/.ssh/authorized_keys; please clean up keys manually: %s", err)
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}
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return multistep.ActionContinue
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}
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func (s *StepCleanupTempKeys) Cleanup(state multistep.StateBag) {
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}
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