packer-cn/builder/tencentcloud/cvm/step_config_key_pair.go

121 lines
3.5 KiB
Go

package cvm
import (
"context"
"fmt"
"io/ioutil"
"os"
"runtime"
"github.com/hashicorp/packer/helper/communicator"
"github.com/hashicorp/packer/helper/multistep"
cvm "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cvm/v20170312"
)
type stepConfigKeyPair struct {
Debug bool
Comm *communicator.Config
DebugKeyPath string
keyID string
}
func (s *stepConfigKeyPair) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
client := state.Get("cvm_client").(*cvm.Client)
if s.Comm.SSHPrivateKeyFile != "" {
Say(state, "Using existing SSH private key", "")
privateKeyBytes, err := ioutil.ReadFile(s.Comm.SSHPrivateKeyFile)
if err != nil {
return Halt(state, err, fmt.Sprintf("Failed to load configured private key(%s)", s.Comm.SSHPrivateKeyFile))
}
s.Comm.SSHPrivateKey = privateKeyBytes
Message(state, fmt.Sprintf("Loaded %d bytes private key data", len(s.Comm.SSHPrivateKey)), "")
return multistep.ActionContinue
}
if s.Comm.SSHAgentAuth {
if s.Comm.SSHKeyPairName == "" {
Say(state, "Using SSH agent with key pair in source image", "")
return multistep.ActionContinue
}
Say(state, fmt.Sprintf("Using SSH agent with exists key pair(%s)", s.Comm.SSHKeyPairName), "")
return multistep.ActionContinue
}
if s.Comm.SSHTemporaryKeyPairName == "" {
Say(state, "Not to use temporary keypair", "")
s.Comm.SSHKeyPairName = ""
return multistep.ActionContinue
}
Say(state, s.Comm.SSHTemporaryKeyPairName, "Trying to create a new keypair")
req := cvm.NewCreateKeyPairRequest()
req.KeyName = &s.Comm.SSHTemporaryKeyPairName
defaultProjectId := int64(0)
req.ProjectId = &defaultProjectId
var resp *cvm.CreateKeyPairResponse
err := Retry(ctx, func(ctx context.Context) error {
var e error
resp, e = client.CreateKeyPair(req)
return e
})
if err != nil {
return Halt(state, err, "Failed to create keypair")
}
// set keyId to delete when Cleanup
s.keyID = *resp.Response.KeyPair.KeyId
state.Put("temporary_key_pair_id", s.keyID)
Message(state, s.keyID, "Keypair created")
s.Comm.SSHKeyPairName = *resp.Response.KeyPair.KeyId
s.Comm.SSHPrivateKey = []byte(*resp.Response.KeyPair.PrivateKey)
if s.Debug {
Message(state, fmt.Sprintf("Saving temporary key to %s for debug purposes", s.DebugKeyPath), "")
f, err := os.Create(s.DebugKeyPath)
if err != nil {
return Halt(state, err, "Failed to saving debug key file")
}
defer f.Close()
if _, err := f.Write([]byte(*resp.Response.KeyPair.PrivateKey)); err != nil {
return Halt(state, err, "Failed to writing debug key file")
}
if runtime.GOOS != "windows" {
if err := f.Chmod(0600); err != nil {
return Halt(state, err, "Failed to chmod debug key file")
}
}
}
return multistep.ActionContinue
}
func (s *stepConfigKeyPair) Cleanup(state multistep.StateBag) {
if s.Comm.SSHPrivateKeyFile != "" || (s.Comm.SSHKeyPairName == "" && s.keyID == "") {
return
}
ctx := context.TODO()
client := state.Get("cvm_client").(*cvm.Client)
SayClean(state, "keypair")
req := cvm.NewDeleteKeyPairsRequest()
req.KeyIds = []*string{&s.keyID}
err := Retry(ctx, func(ctx context.Context) error {
_, e := client.DeleteKeyPairs(req)
return e
})
if err != nil {
Error(state, err, fmt.Sprintf("Failed to delete keypair(%s), please delete it manually", s.keyID))
}
if s.Debug {
if err := os.Remove(s.DebugKeyPath); err != nil {
Error(state, err, fmt.Sprintf("Failed to delete debug key file(%s), please delete it manually", s.DebugKeyPath))
}
}
}