add:argument key SourceImageName to get source image by name.

builder/tencentcloud/cvm/builder.hcl2spec.go

@@ -31,7 +31,8 @@ type FlatConfig struct {
 	ImageCopyRegions          []string                    `mapstructure:"image_copy_regions" required:"false" cty:"image_copy_regions" hcl:"image_copy_regions"`
 	ImageShareAccounts        []string                    `mapstructure:"image_share_accounts" required:"false" cty:"image_share_accounts" hcl:"image_share_accounts"`
 	AssociatePublicIpAddress  *bool                       `mapstructure:"associate_public_ip_address" required:"false" cty:"associate_public_ip_address" hcl:"associate_public_ip_address"`
-	SourceImageId             *string                     `mapstructure:"source_image_id" required:"true" cty:"source_image_id" hcl:"source_image_id"`
+	SourceImageId             *string                     `mapstructure:"source_image_id" required:"false" cty:"source_image_id" hcl:"source_image_id"`
+	SourceImageName           *string                     `mapstructure:"source_image_name" required:"false" cty:"source_image_name" hcl:"source_image_name"`
 	InstanceType              *string                     `mapstructure:"instance_type" required:"true" cty:"instance_type" hcl:"instance_type"`
 	InstanceName              *string                     `mapstructure:"instance_name" required:"false" cty:"instance_name" hcl:"instance_name"`
 	DiskType                  *string                     `mapstructure:"disk_type" required:"false" cty:"disk_type" hcl:"disk_type"`
@@ -136,6 +137,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"image_share_accounts":         &hcldec.AttrSpec{Name: "image_share_accounts", Type: cty.List(cty.String), Required: false},
 		"associate_public_ip_address":  &hcldec.AttrSpec{Name: "associate_public_ip_address", Type: cty.Bool, Required: false},
 		"source_image_id":              &hcldec.AttrSpec{Name: "source_image_id", Type: cty.String, Required: false},
+		"source_image_name":            &hcldec.AttrSpec{Name: "source_image_name", Type: cty.String, Required: false},
 		"instance_type":                &hcldec.AttrSpec{Name: "instance_type", Type: cty.String, Required: false},
 		"instance_name":                &hcldec.AttrSpec{Name: "instance_name", Type: cty.String, Required: false},
 		"disk_type":                    &hcldec.AttrSpec{Name: "disk_type", Type: cty.String, Required: false},

builder/tencentcloud/cvm/run_config.go

@@ -27,7 +27,10 @@ type TencentCloudRunConfig struct {
 	AssociatePublicIpAddress bool `mapstructure:"associate_public_ip_address" required:"false"`
 	// The base image id of Image you want to create
 	// your customized image from.
-	SourceImageId string `mapstructure:"source_image_id" required:"true"`
+	SourceImageId string `mapstructure:"source_image_id" required:"false"`
+	// The base image name of Image you want to create your
+	// customized image from.Conflict with SourceImageId.
+	SourceImageName string `mapstructure:"source_image_name" required:"false"`
 	// The instance type your cvm will be launched by.
 	// You should reference Instace Type
 	//  for parameter taking.
@@ -108,11 +111,11 @@ func (cf *TencentCloudRunConfig) Prepare(ctx *interpolate.Context) []error {
 	}
 
 	errs := cf.Comm.Prepare(ctx)
-	if cf.SourceImageId == "" {
-		errs = append(errs, errors.New("source_image_id must be specified"))
+	if cf.SourceImageId == "" && cf.SourceImageName == "" {
+		errs = append(errs, errors.New("source_image_id or source_image_name must be specified"))
 	}
 
-	if !CheckResourceIdFormat("img", cf.SourceImageId) {
+	if cf.SourceImageId != "" && !CheckResourceIdFormat("img", cf.SourceImageId) {
 		errs = append(errs, errors.New("source_image_id wrong format"))
 	}
 

builder/tencentcloud/cvm/step_check_source_image.go

@@ -3,6 +3,7 @@ package cvm
 import (
 	"context"
 	"fmt"
+	"regexp"
 
 	"github.com/hashicorp/packer/helper/multistep"
 	cvm "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cvm/v20170312"
@@ -13,16 +14,36 @@ type stepCheckSourceImage struct {
 }
 
 func (s *stepCheckSourceImage) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
+	var (
+		imageNameRegex *regexp.Regexp
+		err            error
+	)
 	config := state.Get("config").(*Config)
 	client := state.Get("cvm_client").(*cvm.Client)
 
 	Say(state, config.SourceImageId, "Trying to check source image")
 
 	req := cvm.NewDescribeImagesRequest()
-	req.ImageIds = []*string{&config.SourceImageId}
-	req.InstanceType = &config.InstanceType
+	// req.InstanceType = &config.InstanceType
+	if config.SourceImageId != "" {
+		req.ImageIds = []*string{&config.SourceImageId}
+	} else {
+		imageNameRegex, err = regexp.Compile(config.SourceImageName)
+		if err != nil {
+			return Halt(state, fmt.Errorf("regex compilation error"), "Bad input")
+		}
+		private := "PRIVATE_IMAGE"
+		public := "PUBLIC_IMAGE"
+		shared := "SHARED_IMAGE"
+		filterType := "image-type"
+		filter := &cvm.Filter{
+			Name:   &filterType,
+			Values: []*string{&private, &public, &shared},
+		}
+		req.Filters = []*cvm.Filter{filter}
+	}
 	var resp *cvm.DescribeImagesResponse
-	err := Retry(ctx, func(ctx context.Context) error {
+	err = Retry(ctx, func(ctx context.Context) error {
 		var err error
 		resp, err = client.DescribeImages(req)
 		return err
@@ -32,9 +53,20 @@ func (s *stepCheckSourceImage) Run(ctx context.Context, state multistep.StateBag
 	}
 
 	if *resp.Response.TotalCount > 0 {
-		state.Put("source_image", resp.Response.ImageSet[0])
-		Message(state, *resp.Response.ImageSet[0].ImageName, "Image found")
-		return multistep.ActionContinue
+		images := resp.Response.ImageSet
+		if imageNameRegex != nil {
+			for _, image := range images {
+				if imageNameRegex.MatchString(*image.ImageName) {
+					state.Put("source_image", image)
+					Message(state, *image.ImageName, "Image found")
+					return multistep.ActionContinue
+				}
+			}
+		} else {
+			state.Put("source_image", images[0])
+			Message(state, *resp.Response.ImageSet[0].ImageName, "Image found")
+			return multistep.ActionContinue
+		}
 	}
 
 	return Halt(state, fmt.Errorf("No image found under current instance_type(%s) restriction", config.InstanceType), "")