fix: Support SkipCreateImage field to skip creating an image

Author: gitmkn

.web-docs/components/builder/cvm/README.md

@@ -101,6 +101,8 @@ a [communicator](/packer/docs/templates/legacy_json_templates/communicator) can
 
 - `image_tags` (map[string]string) - Key/value pair tags that will be applied to the resulting image.
 
+- `skip_create_image` (bool) - Skip creating an image. When set to true, you don't need to enter target image information, share, copy, etc. The default value is false.
+
 <!-- End of code generated from the comments of the TencentCloudImageConfig struct in builder/tencentcloud/cvm/image_config.go; -->
 
 

builder/tencentcloud/cvm/builder.go

@@ -90,7 +90,9 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 	// Build the steps
 	var steps []multistep.Step
 	steps = []multistep.Step{
-		&stepPreValidate{},
+		&stepPreValidate{
+			b.config.SkipCreateImage,
+		},
 		&stepCheckSourceImage{
 			b.config.SourceImageId,
 		},
@@ -145,13 +147,16 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 		// We need this step to detach keypair from instance, otherwise
 		// it always fails to delete the key.
 		&stepDetachTempKeyPair{},
-		&stepCreateImage{},
+		&stepCreateImage{
+			SkipCreateImage: b.config.SkipCreateImage,
+		},
 		&stepShareImage{
 			b.config.ImageShareAccounts,
 		},
 		&stepCopyImage{
-			DesinationRegions: b.config.ImageCopyRegions,
-			SourceRegion:      b.config.Region,
+			DestinationRegions: b.config.ImageCopyRegions,
+			SourceRegion:       b.config.Region,
+			SkipCreateImage:    b.config.SkipCreateImage,
 		},
 	}
 

builder/tencentcloud/cvm/builder.hcl2spec.go

@@ -33,11 +33,17 @@ type TencentCloudImageConfig struct {
 	// Key/value pair tags that will be applied to the resulting image.
 	ImageTags      map[string]string `mapstructure:"image_tags" required:"false"`
 	skipValidation bool
+	// Skip creating an image. When set to true, you don't need to enter target image information, share, copy, etc. The default value is false.
+	SkipCreateImage bool `mapstructure:"skip_create_image" required:"false"`
 }
 
 func (cf *TencentCloudImageConfig) Prepare(ctx *interpolate.Context) []error {
 	var errs []error
 
+	if cf.SkipCreateImage {
+		return nil
+	}
+
 	if cf.ImageName == "" {
 		errs = append(errs, fmt.Errorf("image_name must be specified"))
 	} else if utf8.RuneCountInString(cf.ImageName) > 60 {

builder/tencentcloud/cvm/image_config.go

@@ -14,12 +14,16 @@ import (
 )
 
 type stepCopyImage struct {
-	DesinationRegions []string
-	SourceRegion      string
+	DestinationRegions []string
+	SourceRegion       string
+	SkipCreateImage    bool
 }
 
 func (s *stepCopyImage) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
-	if len(s.DesinationRegions) == 0 || (len(s.DesinationRegions) == 1 && s.DesinationRegions[0] == s.SourceRegion) {
+	if s.SkipCreateImage {
+		return multistep.ActionContinue
+	}
+	if len(s.DestinationRegions) == 0 || (len(s.DestinationRegions) == 1 && s.DestinationRegions[0] == s.SourceRegion) {
 		return multistep.ActionContinue
 	}
 
@@ -28,12 +32,12 @@ func (s *stepCopyImage) Run(ctx context.Context, state multistep.StateBag) multi
 
 	imageId := state.Get("image").(*cvm.Image).ImageId
 
-	Say(state, strings.Join(s.DesinationRegions, ","), "Trying to copy image to")
+	Say(state, strings.Join(s.DestinationRegions, ","), "Trying to copy image to")
 
 	req := cvm.NewSyncImagesRequest()
 	req.ImageIds = []*string{imageId}
-	copyRegions := make([]*string, 0, len(s.DesinationRegions))
-	for _, region := range s.DesinationRegions {
+	copyRegions := make([]*string, 0, len(s.DestinationRegions))
+	for _, region := range s.DestinationRegions {
 		if region != s.SourceRegion {
 			copyRegions = append(copyRegions, common.StringPtr(region))
 		}

builder/tencentcloud/cvm/step_copy_image.go

@@ -12,7 +12,8 @@ import (
 )
 
 type stepCreateImage struct {
-	imageId string
+	imageId         string
+	SkipCreateImage bool
 }
 
 func (s *stepCreateImage) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
@@ -21,6 +22,12 @@ func (s *stepCreateImage) Run(ctx context.Context, state multistep.StateBag) mul
 	config := state.Get("config").(*Config)
 	instance := state.Get("instance").(*cvm.Instance)
 
+	// Optionally skip this step
+	if s.SkipCreateImage {
+		Say(state, "Skipping image creation step", "")
+		return multistep.ActionContinue
+	}
+
 	Say(state, config.ImageName, "Trying to create a new image")
 
 	req := cvm.NewCreateImageRequest()

builder/tencentcloud/cvm/step_create_image.go

@@ -12,9 +12,15 @@ import (
 )
 
 type stepPreValidate struct {
+	SkipCreateImage bool
 }
 
 func (s *stepPreValidate) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
+	// No need to validate the image name if we're not creating an image
+	if s.SkipCreateImage {
+		return multistep.ActionContinue
+	}
+
 	config := state.Get("config").(*Config)
 	client := state.Get("cvm_client").(*cvm.Client)
 

builder/tencentcloud/cvm/step_pre_validate.go

@@ -15,4 +15,6 @@
 
 - `image_tags` (map[string]string) - Key/value pair tags that will be applied to the resulting image.
 
+- `skip_create_image` (bool) - Skip creating an image. When set to true, you don't need to enter target image information, share, copy, etc. The default value is false.
+
 <!-- End of code generated from the comments of the TencentCloudImageConfig struct in builder/tencentcloud/cvm/image_config.go; -->