141 lines
3.8 KiB
Go
141 lines
3.8 KiB
Go
package cloudstack
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import (
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"context"
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"fmt"
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"io/ioutil"
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"os"
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"runtime"
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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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"github.com/xanzy/go-cloudstack/cloudstack"
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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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}
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func (s *stepKeypair) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packer.Ui)
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if s.Comm.SSHPrivateKeyFile != "" {
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privateKeyBytes, err := ioutil.ReadFile(s.Comm.SSHPrivateKeyFile)
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if err != nil {
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state.Put("error", fmt.Errorf(
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"Error loading configured private key file: %s", 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 keypair in Source image")
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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 keypair %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 a keypair")
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s.Comm.SSHKeyPairName = ""
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return multistep.ActionContinue
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}
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client := state.Get("client").(*cloudstack.CloudStackClient)
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ui.Say(fmt.Sprintf("Creating temporary keypair: %s ...", s.Comm.SSHTemporaryKeyPairName))
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p := client.SSH.NewCreateSSHKeyPairParams(s.Comm.SSHTemporaryKeyPairName)
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cfg := state.Get("config").(*Config)
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if cfg.Project != "" {
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p.SetProjectid(cfg.Project)
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}
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keypair, err := client.SSH.CreateSSHKeyPair(p)
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if err != nil {
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err := fmt.Errorf("Error creating temporary keypair: %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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if keypair.Privatekey == "" {
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err := fmt.Errorf("The temporary keypair returned was blank")
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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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ui.Say(fmt.Sprintf("Created temporary keypair: %s", s.Comm.SSHTemporaryKeyPairName))
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// If we're in debug mode, output the private key to the working 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(keypair.Privatekey)); err != nil {
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err := fmt.Errorf("Error saving debug 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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// 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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err := fmt.Errorf("Error setting permissions of debug 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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}
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}
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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(keypair.Privatekey)
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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.Comm.SSHTemporaryKeyPairName == "" {
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return
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}
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ui := state.Get("ui").(packer.Ui)
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client := state.Get("client").(*cloudstack.CloudStackClient)
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cfg := state.Get("config").(*Config)
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p := client.SSH.NewDeleteSSHKeyPairParams(s.Comm.SSHTemporaryKeyPairName)
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if cfg.Project != "" {
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p.SetProjectid(cfg.Project)
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}
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ui.Say(fmt.Sprintf("Deleting temporary keypair: %s ...", s.Comm.SSHTemporaryKeyPairName))
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_, err := client.SSH.DeleteSSHKeyPair(p)
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if err != nil {
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ui.Error(err.Error())
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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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}
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