140 lines
3.8 KiB
Go
140 lines
3.8 KiB
Go
package ecs
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"runtime"
|
|
|
|
"github.com/denverdino/aliyungo/common"
|
|
"github.com/denverdino/aliyungo/ecs"
|
|
"github.com/hashicorp/packer/helper/multistep"
|
|
"github.com/hashicorp/packer/packer"
|
|
)
|
|
|
|
type StepConfigAlicloudKeyPair struct {
|
|
Debug bool
|
|
SSHAgentAuth bool
|
|
DebugKeyPath string
|
|
TemporaryKeyPairName string
|
|
KeyPairName string
|
|
PrivateKeyFile string
|
|
RegionId string
|
|
|
|
keyName string
|
|
}
|
|
|
|
func (s *StepConfigAlicloudKeyPair) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
|
|
ui := state.Get("ui").(packer.Ui)
|
|
|
|
if s.PrivateKeyFile != "" {
|
|
ui.Say("Using existing SSH private key")
|
|
privateKeyBytes, err := ioutil.ReadFile(s.PrivateKeyFile)
|
|
if err != nil {
|
|
state.Put("error", fmt.Errorf(
|
|
"Error loading configured private key file: %s", err))
|
|
return multistep.ActionHalt
|
|
}
|
|
|
|
state.Put("keyPair", s.KeyPairName)
|
|
state.Put("privateKey", string(privateKeyBytes))
|
|
|
|
return multistep.ActionContinue
|
|
}
|
|
|
|
if s.SSHAgentAuth && s.KeyPairName == "" {
|
|
ui.Say("Using SSH Agent with key pair in source image")
|
|
return multistep.ActionContinue
|
|
}
|
|
|
|
if s.SSHAgentAuth && s.KeyPairName != "" {
|
|
ui.Say(fmt.Sprintf("Using SSH Agent for existing key pair %s", s.KeyPairName))
|
|
state.Put("keyPair", s.KeyPairName)
|
|
return multistep.ActionContinue
|
|
}
|
|
|
|
if s.TemporaryKeyPairName == "" {
|
|
ui.Say("Not using temporary keypair")
|
|
state.Put("keyPair", "")
|
|
return multistep.ActionContinue
|
|
}
|
|
|
|
client := state.Get("client").(*ecs.Client)
|
|
|
|
ui.Say(fmt.Sprintf("Creating temporary keypair: %s", s.TemporaryKeyPairName))
|
|
keyResp, err := client.CreateKeyPair(&ecs.CreateKeyPairArgs{
|
|
KeyPairName: s.TemporaryKeyPairName,
|
|
RegionId: common.Region(s.RegionId),
|
|
})
|
|
if err != nil {
|
|
state.Put("error", fmt.Errorf("Error creating temporary keypair: %s", err))
|
|
return multistep.ActionHalt
|
|
}
|
|
|
|
// Set the keyname so we know to delete it later
|
|
s.keyName = s.TemporaryKeyPairName
|
|
|
|
// Set some state data for use in future steps
|
|
state.Put("keyPair", s.keyName)
|
|
state.Put("privateKey", keyResp.PrivateKeyBody)
|
|
|
|
// If we're in debug mode, output the private key to the working
|
|
// directory.
|
|
if s.Debug {
|
|
ui.Message(fmt.Sprintf("Saving key for debug purposes: %s", s.DebugKeyPath))
|
|
f, err := os.Create(s.DebugKeyPath)
|
|
if err != nil {
|
|
state.Put("error", fmt.Errorf("Error saving debug key: %s", err))
|
|
return multistep.ActionHalt
|
|
}
|
|
defer f.Close()
|
|
|
|
// Write the key out
|
|
if _, err := f.Write([]byte(keyResp.PrivateKeyBody)); err != nil {
|
|
state.Put("error", fmt.Errorf("Error saving debug key: %s", err))
|
|
return multistep.ActionHalt
|
|
}
|
|
|
|
// Chmod it so that it is SSH ready
|
|
if runtime.GOOS != "windows" {
|
|
if err := f.Chmod(0600); err != nil {
|
|
state.Put("error", fmt.Errorf("Error setting permissions of debug key: %s", err))
|
|
return multistep.ActionHalt
|
|
}
|
|
}
|
|
}
|
|
|
|
return multistep.ActionContinue
|
|
}
|
|
|
|
func (s *StepConfigAlicloudKeyPair) Cleanup(state multistep.StateBag) {
|
|
// If no key name is set, then we never created it, so just return
|
|
// If we used an SSH private key file, do not go about deleting
|
|
// keypairs
|
|
if s.PrivateKeyFile != "" || (s.KeyPairName == "" && s.keyName == "") {
|
|
return
|
|
}
|
|
|
|
client := state.Get("client").(*ecs.Client)
|
|
ui := state.Get("ui").(packer.Ui)
|
|
|
|
// Remove the keypair
|
|
ui.Say("Deleting temporary keypair...")
|
|
err := client.DeleteKeyPairs(&ecs.DeleteKeyPairsArgs{
|
|
RegionId: common.Region(s.RegionId),
|
|
KeyPairNames: "[\"" + s.keyName + "\"]",
|
|
})
|
|
if err != nil {
|
|
ui.Error(fmt.Sprintf(
|
|
"Error cleaning up keypair. Please delete the key manually: %s", s.keyName))
|
|
}
|
|
|
|
// Also remove the physical key if we're debugging.
|
|
if s.Debug {
|
|
if err := os.Remove(s.DebugKeyPath); err != nil {
|
|
ui.Error(fmt.Sprintf(
|
|
"Error removing debug key '%s': %s", s.DebugKeyPath, err))
|
|
}
|
|
}
|
|
}
|