63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package oneandone
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import (
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"context"
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"io/ioutil"
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"github.com/hashicorp/packer-plugin-sdk/multistep"
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packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
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"golang.org/x/crypto/ssh"
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)
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type StepCreateSSHKey struct {
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Debug bool
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DebugKeyPath string
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}
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func (s *StepCreateSSHKey) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packersdk.Ui)
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c := state.Get("config").(*Config)
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if c.Comm.SSHPrivateKeyFile != "" {
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pemBytes, err := ioutil.ReadFile(c.Comm.SSHPrivateKeyFile)
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if err != nil {
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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block, _ := pem.Decode(pemBytes)
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priv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
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if err != nil {
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state.Put("error", err.Error())
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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priv_blk := pem.Block{
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Type: "RSA PRIVATE KEY",
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Headers: nil,
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Bytes: x509.MarshalPKCS1PrivateKey(priv),
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}
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pub, err := ssh.NewPublicKey(&priv.PublicKey)
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if err != nil {
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err := fmt.Errorf("Error creating temporary ssh key: %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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c.Comm.SSHPrivateKey = pem.EncodeToMemory(&priv_blk)
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c.Comm.SSHPublicKey = ssh.MarshalAuthorizedKey(pub)
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}
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return multistep.ActionContinue
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}
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func (s *StepCreateSSHKey) Cleanup(state multistep.StateBag) {}
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