support uk8s custom image and custom boot disk size

builder/ucloud/common/access_config.go

@@ -17,6 +17,7 @@ import (
 	"github.com/ucloud/ucloud-sdk-go/services/uaccount"
 	"github.com/ucloud/ucloud-sdk-go/services/ufile"
 	"github.com/ucloud/ucloud-sdk-go/services/uhost"
+	"github.com/ucloud/ucloud-sdk-go/services/uk8s"
 	"github.com/ucloud/ucloud-sdk-go/services/unet"
 	"github.com/ucloud/ucloud-sdk-go/services/vpc"
 	"github.com/ucloud/ucloud-sdk-go/ucloud"
@@ -122,7 +123,7 @@ func (c *AccessConfig) Client() (*UCloudClient, error) {
 	c.client.VPCConn = vpc.NewClient(&cfg, &cred)
 	c.client.UAccountConn = uaccount.NewClient(&cfg, &cred)
 	c.client.UFileConn = ufile.NewClient(&cfg, &cred)
-
+	c.client.UK8sConn = uk8s.NewClient(&cfg, &cred)
 	if cloudShellCredHandler != nil {
 		if err := c.client.UHostConn.AddHttpRequestHandler(cloudShellCredHandler); err != nil {
 			return nil, err
@@ -139,6 +140,9 @@ func (c *AccessConfig) Client() (*UCloudClient, error) {
 		if err := c.client.UFileConn.AddHttpRequestHandler(cloudShellCredHandler); err != nil {
 			return nil, err
 		}
+		if err := c.client.UK8sConn.AddHttpRequestHandler(cloudShellCredHandler); err != nil {
+			return nil, err
+		}
 	}
 
 	return c.client, nil

builder/ucloud/common/client.go

@@ -4,6 +4,7 @@ import (
 	"github.com/ucloud/ucloud-sdk-go/services/uaccount"
 	"github.com/ucloud/ucloud-sdk-go/services/ufile"
 	"github.com/ucloud/ucloud-sdk-go/services/uhost"
+	"github.com/ucloud/ucloud-sdk-go/services/uk8s"
 	"github.com/ucloud/ucloud-sdk-go/services/unet"
 	"github.com/ucloud/ucloud-sdk-go/services/vpc"
 	"github.com/ucloud/ucloud-sdk-go/ucloud"
@@ -12,6 +13,7 @@ import (
 
 type UCloudClient struct {
 	UHostConn    *uhost.UHostClient
+	UK8sConn     *uk8s.UK8SClient
 	UNetConn     *unet.UNetClient
 	VPCConn      *vpc.VPCClient
 	UAccountConn *uaccount.UAccountClient
@@ -140,3 +142,24 @@ func (c *UCloudClient) DescribeImageByInfo(projectId, regionId, imageId string)
 	return &resp.ImageSet[0], nil
 
 }
+
+func (c *UCloudClient) DescribeUK8sNodeImageById(imageId string) (*uk8s.ImageInfo, error) {
+	if imageId == "" {
+		return nil, NewNotFoundError("image", imageId)
+	}
+	req := c.UK8sConn.NewDescribeUK8SImageRequest()
+	resp, err := c.UK8sConn.DescribeUK8SImage(req)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(resp.ImageSet) < 1 {
+		return nil, NewNotFoundError("image", imageId)
+	}
+	for _, image := range resp.ImageSet {
+		if image.ImageId == imageId {
+			return &image, nil
+		}
+	}
+	return nil, NewNotFoundError("image", imageId)
+}

builder/ucloud/common/consts.go

@@ -24,6 +24,11 @@ const (
 	DefaultCreateImageTimeout = 3600
 )
 
+const (
+	UK8sImageSize   = 40
+	UK8sImageOsType = "Linux"
+)
+
 var BootDiskTypeMap = NewStringConverter(map[string]string{
 	"cloud_ssd":    "CLOUD_SSD",
 	"local_normal": "LOCAL_NORMAL",

builder/ucloud/common/run_config.go

@@ -30,6 +30,9 @@ type RunConfig struct {
 	//
 	//~> **Note:** It takes around 10 mins for boot disk initialization when `boot_disk_type` is `local_normal` or `local_ssd`.
 	BootDiskType string `mapstructure:"boot_disk_type" required:"false"`
+	// The size of boot disk associated to UHost instance, which cannot be smaller than the size of source image.
+	// The unit is `GB`. Default value is the size of source image.
+	BootDiskSize int `mapstructure:"boot_disk_size" required:"false"`
 	// The ID of VPC linked to the UHost instance. If not defined `vpc_id`, the instance will use the default VPC in the current region.
 	VPCId string `mapstructure:"vpc_id" required:"false"`
 	// The ID of subnet under the VPC. If `vpc_id` is defined, the `subnet_id` is mandatory required.

builder/ucloud/uhost/builder.go

@@ -113,6 +113,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			SourceImageId:  b.config.SourceImageId,
 			InstanceName:   b.config.InstanceName,
 			BootDiskType:   b.config.BootDiskType,
+			BootDiskSize:   b.config.BootDiskSize,
 			UsePrivateIp:   b.config.UseSSHPrivateIp,
 			EipBandwidth:   b.config.EipBandwidth,
 			EipChargeMode:  b.config.EipChargeMode,

builder/ucloud/uhost/step_check_source_image.go

@@ -3,6 +3,7 @@ package uhost
 import (
 	"context"
 	"fmt"
+	"github.com/ucloud/ucloud-sdk-go/services/uhost"
 
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
@@ -22,9 +23,21 @@ func (s *stepCheckSourceImageId) Run(ctx context.Context, state multistep.StateB
 	imageSet, err := client.DescribeImageById(s.SourceUHostImageId)
 	if err != nil {
 		if ucloudcommon.IsNotFoundError(err) {
-			return ucloudcommon.Halt(state, err, "")
+			uk8sNodeImage, uk8sErr := client.DescribeUK8sNodeImageById(s.SourceUHostImageId)
+			if ucloudcommon.IsNotFoundError(uk8sErr) {
+				return ucloudcommon.Halt(state, fmt.Errorf("fail to find source_image_id %q", s.SourceUHostImageId), "")
+			}
+			if uk8sErr != nil {
+				return ucloudcommon.Halt(state, uk8sErr, fmt.Sprintf("Error on querying specified source_image_id %q", s.SourceUHostImageId))
+			}
+			imageSet = &uhost.UHostImageSet{}
+			imageSet.ImageName = uk8sNodeImage.ImageName
+			imageSet.ImageSize = ucloudcommon.UK8sImageSize
+			imageSet.OsType = ucloudcommon.UK8sImageOsType
+			imageSet.Features = []string{"CloudInit"}
+		} else {
+			return ucloudcommon.Halt(state, err, fmt.Sprintf("Error on querying specified source_image_id %q", s.SourceUHostImageId))
 		}
-		return ucloudcommon.Halt(state, err, fmt.Sprintf("Error on querying specified source_image_id %q", s.SourceUHostImageId))
 	}
 
 	if imageSet.OsType == ucloudcommon.OsTypeWindows {

builder/ucloud/uhost/step_create_instance.go

@@ -3,6 +3,7 @@ package uhost
 import (
 	"context"
 	"encoding/base64"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"math/rand"
@@ -23,6 +24,7 @@ type stepCreateInstance struct {
 	InstanceType  string
 	InstanceName  string
 	BootDiskType  string
+	BootDiskSize  int
 	SourceImageId string
 	UsePrivateIp  bool
 
@@ -281,6 +283,12 @@ func (s *stepCreateInstance) buildCreateInstanceRequest(state multistep.StateBag
 	bootDisk := uhost.UHostDisk{}
 	bootDisk.IsBoot = ucloud.String("true")
 	bootDisk.Size = ucloud.Int(srcImage.ImageSize)
+	if s.BootDiskSize > 0 {
+		if s.BootDiskSize < srcImage.ImageSize {
+			return nil, errors.New("boot disk size should not be smaller than image size")
+		}
+		bootDisk.Size = ucloud.Int(s.BootDiskSize)
+	}
 	bootDisk.Type = ucloud.String(ucloudcommon.BootDiskTypeMap.Convert(s.BootDiskType))
 
 	req.Disks = append(req.Disks, bootDisk)

docs-partials/builder/ucloud/common/RunConfig-not-required.mdx

@@ -10,6 +10,9 @@
 
   ~> **Note:** It takes around 10 mins for boot disk initialization when `boot_disk_type` is `local_normal` or `local_ssd`.
 
+- `boot_disk_size` (int) - The size of boot disk associated to UHost instance, which cannot be smaller than the size of source image.
+  The unit is `GB`. Default value is the size of source image.
+
 - `vpc_id` (string) - The ID of VPC linked to the UHost instance. If not defined `vpc_id`, the instance will use the default VPC in the current region.
 
 - `subnet_id` (string) - The ID of subnet under the VPC. If `vpc_id` is defined, the `subnet_id` is mandatory required.