137 lines
3.6 KiB
Go
137 lines
3.6 KiB
Go
package common
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import (
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"context"
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"fmt"
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"os"
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"runtime"
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"github.com/antihax/optional"
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"github.com/hashicorp/packer/packer-plugin-sdk/communicator"
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"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
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packersdk "github.com/hashicorp/packer/packer-plugin-sdk/packer"
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"github.com/outscale/osc-sdk-go/osc"
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)
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type StepKeyPair struct {
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Debug bool
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Comm *communicator.Config
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DebugKeyPath string
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doCleanup bool
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}
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func (s *StepKeyPair) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packersdk.Ui)
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if s.Comm.SSHPrivateKeyFile != "" {
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ui.Say("Using existing SSH private key")
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privateKeyBytes, err := s.Comm.ReadSSHPrivateKeyFile()
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if err != nil {
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state.Put("error", err)
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return multistep.ActionHalt
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}
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s.Comm.SSHPrivateKey = privateKeyBytes
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return multistep.ActionContinue
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}
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if s.Comm.SSHAgentAuth && s.Comm.SSHKeyPairName == "" {
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ui.Say("Using SSH Agent with key pair in Source OMI")
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return multistep.ActionContinue
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}
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if s.Comm.SSHAgentAuth && s.Comm.SSHKeyPairName != "" {
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ui.Say(fmt.Sprintf("Using SSH Agent for existing key pair %s", s.Comm.SSHKeyPairName))
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return multistep.ActionContinue
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}
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if s.Comm.SSHTemporaryKeyPairName == "" {
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ui.Say("Not using temporary keypair")
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s.Comm.SSHKeyPairName = ""
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return multistep.ActionContinue
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}
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conn := state.Get("osc").(*osc.APIClient)
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ui.Say(fmt.Sprintf("Creating temporary keypair: %s", s.Comm.SSHTemporaryKeyPairName))
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resp, _, err := conn.KeypairApi.CreateKeypair(context.Background(), &osc.CreateKeypairOpts{
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CreateKeypairRequest: optional.NewInterface(osc.CreateKeypairRequest{
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KeypairName: s.Comm.SSHTemporaryKeyPairName,
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}),
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})
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if err != nil {
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state.Put("error", fmt.Errorf("Error creating temporary keypair: %s", err))
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return multistep.ActionHalt
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}
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s.doCleanup = true
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// Set some data for use in future steps
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s.Comm.SSHKeyPairName = s.Comm.SSHTemporaryKeyPairName
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s.Comm.SSHPrivateKey = []byte(resp.Keypair.PrivateKey)
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// If we're in debug mode, output the private key to the working
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// directory.
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if s.Debug {
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ui.Message(fmt.Sprintf("Saving key for debug purposes: %s", s.DebugKeyPath))
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f, err := os.Create(s.DebugKeyPath)
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if err != nil {
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state.Put("error", fmt.Errorf("Error saving debug key: %s", err))
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return multistep.ActionHalt
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}
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defer f.Close()
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// Write the key out
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if _, err := f.Write([]byte(resp.Keypair.PrivateKey)); err != nil {
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state.Put("error", fmt.Errorf("Error saving debug key: %s", err))
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return multistep.ActionHalt
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}
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// Chmod it so that it is SSH ready
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if runtime.GOOS != "windows" {
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if err := f.Chmod(0600); err != nil {
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state.Put("error", fmt.Errorf("Error setting permissions of debug key: %s", err))
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return multistep.ActionHalt
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}
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}
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}
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return multistep.ActionContinue
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}
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func (s *StepKeyPair) Cleanup(state multistep.StateBag) {
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if !s.doCleanup {
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return
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}
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var (
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conn = state.Get("osc").(*osc.APIClient)
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ui = state.Get("ui").(packersdk.Ui)
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)
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// Remove the keypair
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ui.Say("Deleting temporary keypair...")
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_, _, err := conn.KeypairApi.DeleteKeypair(context.Background(), &osc.DeleteKeypairOpts{
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DeleteKeypairRequest: optional.NewInterface(osc.DeleteKeypairRequest{
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KeypairName: s.Comm.SSHTemporaryKeyPairName,
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}),
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})
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if err != nil {
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ui.Error(fmt.Sprintf(
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"Error cleaning up keypair. Please delete the key manually: %s", s.Comm.SSHTemporaryKeyPairName))
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}
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// Also remove the physical key if we're debugging.
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if s.Debug {
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if err := os.Remove(s.DebugKeyPath); err != nil {
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ui.Error(fmt.Sprintf(
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"Error removing debug key '%s': %s", s.DebugKeyPath, err))
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}
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}
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}
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