130 lines
3.7 KiB
Go
130 lines
3.7 KiB
Go
package cvm
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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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"time"
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"github.com/hashicorp/packer/common/retry"
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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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cvm "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cvm/v20170312"
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)
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type stepConfigKeyPair struct {
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Debug bool
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Comm *communicator.Config
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DebugKeyPath string
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keyID string
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}
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func (s *stepConfigKeyPair) Run(ctx 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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ui.Say("Using existing SSH private key")
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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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"loading configured private key file failed: %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 key pair 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 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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client := state.Get("cvm_client").(*cvm.Client)
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ui.Say(fmt.Sprintf("Creating temporary keypair: %s", s.Comm.SSHTemporaryKeyPairName))
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req := cvm.NewCreateKeyPairRequest()
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req.KeyName = &s.Comm.SSHTemporaryKeyPairName
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defaultProjectId := int64(0)
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req.ProjectId = &defaultProjectId
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resp, err := client.CreateKeyPair(req)
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if err != nil {
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state.Put("error", fmt.Errorf("creating temporary keypair failed: %s", err.Error()))
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return multistep.ActionHalt
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}
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// set keyId to delete when Cleanup
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s.keyID = *resp.Response.KeyPair.KeyId
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s.Comm.SSHKeyPairName = *resp.Response.KeyPair.KeyId
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s.Comm.SSHPrivateKey = []byte(*resp.Response.KeyPair.PrivateKey)
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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("creating debug key file failed:%s", err.Error()))
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return multistep.ActionHalt
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}
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defer f.Close()
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if _, err := f.Write([]byte(*resp.Response.KeyPair.PrivateKey)); err != nil {
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state.Put("error", fmt.Errorf("writing debug key file failed:%s", err.Error()))
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return multistep.ActionHalt
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}
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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("setting debug key file's permission failed:%s", 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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return multistep.ActionContinue
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}
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func (s *stepConfigKeyPair) Cleanup(state multistep.StateBag) {
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if s.Comm.SSHPrivateKeyFile != "" || (s.Comm.SSHKeyPairName == "" && s.keyID == "") {
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return
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}
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ctx := context.TODO()
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client := state.Get("cvm_client").(*cvm.Client)
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Deleting temporary keypair...")
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req := cvm.NewDeleteKeyPairsRequest()
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req.KeyIds = []*string{&s.keyID}
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err := retry.Config{
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Tries: 60,
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RetryDelay: (&retry.Backoff{InitialBackoff: 5 * time.Second, MaxBackoff: 5 * time.Second, Multiplier: 2}).Linear,
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}.Run(ctx, func(ctx context.Context) error {
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_, err := client.DeleteKeyPairs(req)
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return err
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})
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if err != nil {
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ui.Error(fmt.Sprintf(
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"delete keypair failed, please delete it manually, keyId: %s, err: %s", s.keyID, err.Error()))
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}
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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("delete debug key file %s failed: %s", s.DebugKeyPath, err.Error()))
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}
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}
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}
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