Add new property 'min_disk_size' of built image

CHANGELOG.md

@@ -39,6 +39,7 @@
     default for the http server IP [GH-9441]
 * builder/yandex: Support authentication by Service Account on instance
     [GH-9383]
+* builder/yandex: Allow set `min_disk_size` for an image.
 * communicator/ssh: Add support for OpenSSH certificate signing [GH-9521]
 * communicator/ssh: Allow users to provide a list of ciphers that they want
     Packer to support. [GH-9453]

builder/yandex/config.go

@@ -62,6 +62,9 @@ type Config struct {
 	// Key/value pair labels to
 	// apply to the created image.
 	ImageLabels map[string]string `mapstructure:"image_labels" required:"false"`
+	// Minimum size of the disk that will be created from built image, specified in gigabytes.
+	// Should be more or equal to `disk_size_gb`.
+	ImageMinDiskSize int `mapstructure:"image_min_disk_size" required:"false"`
 	// The unique name of the resulting image. Defaults to
 	// `packer-{{timestamp}}`.
 	ImageName string `mapstructure:"image_name" required:"false"`
@@ -164,6 +167,16 @@ func (c *Config) Prepare(raws ...interface{}) ([]string, error) {
 		c.DiskType = "network-hdd"
 	}
 
+	if c.ImageMinDiskSize == 0 {
+		c.ImageMinDiskSize = c.DiskSizeGb
+	}
+
+	if c.ImageMinDiskSize <= c.DiskSizeGb {
+		errs = packer.MultiErrorAppend(errs,
+			fmt.Errorf("Invalid image_min_disk_size value (%d): Must be equal or greate than disk_size_gb (%d)",
+				c.ImageMinDiskSize, c.DiskSizeGb))
+	}
+
 	if c.ImageDescription == "" {
 		c.ImageDescription = "Created by Packer"
 	}

builder/yandex/config.hcl2spec.go

@@ -73,6 +73,7 @@ type FlatConfig struct {
 	ImageDescription          *string           `mapstructure:"image_description" required:"false" cty:"image_description" hcl:"image_description"`
 	ImageFamily               *string           `mapstructure:"image_family" required:"false" cty:"image_family" hcl:"image_family"`
 	ImageLabels               map[string]string `mapstructure:"image_labels" required:"false" cty:"image_labels" hcl:"image_labels"`
+	ImageMinDiskSize          *int              `mapstructure:"image_min_disk_size" required:"false" cty:"image_min_disk_size" hcl:"image_min_disk_size"`
 	ImageName                 *string           `mapstructure:"image_name" required:"false" cty:"image_name" hcl:"image_name"`
 	ImageProductIDs           []string          `mapstructure:"image_product_ids" required:"false" cty:"image_product_ids" hcl:"image_product_ids"`
 	InstanceCores             *int              `mapstructure:"instance_cores" required:"false" cty:"instance_cores" hcl:"instance_cores"`
@@ -175,6 +176,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"image_description":            &hcldec.AttrSpec{Name: "image_description", Type: cty.String, Required: false},
 		"image_family":                 &hcldec.AttrSpec{Name: "image_family", Type: cty.String, Required: false},
 		"image_labels":                 &hcldec.AttrSpec{Name: "image_labels", Type: cty.Map(cty.String), Required: false},
+		"image_min_disk_size":          &hcldec.AttrSpec{Name: "image_min_disk_size", Type: cty.Number, Required: false},
 		"image_name":                   &hcldec.AttrSpec{Name: "image_name", Type: cty.String, Required: false},
 		"image_product_ids":            &hcldec.AttrSpec{Name: "image_product_ids", Type: cty.List(cty.String), Required: false},
 		"instance_cores":               &hcldec.AttrSpec{Name: "instance_cores", Type: cty.Number, Required: false},

builder/yandex/config_test.go

@@ -166,6 +166,62 @@ func TestConfigPrepareStartupScriptFile(t *testing.T) {
 	}
 }
 
+func TestConfigImageMinDiskSize(t *testing.T) {
+	cases := []struct {
+		Name   string
+		Config map[string]interface{}
+		Err    bool
+	}{
+		{
+			Name: "image_min_disk_size lower than disk_size (default value)",
+			Config: map[string]interface{}{
+				"image_min_disk_size": 2,
+			},
+			Err: true,
+		},
+		{
+			Name: "image_min_disk_size greater than disk_size (default value)",
+			Config: map[string]interface{}{
+				"image_min_disk_size": 20,
+			},
+			Err: false,
+		},
+		{
+			Name: "image_min_disk_size lower than disk_size (custom value)",
+			Config: map[string]interface{}{
+				"disk_size_gb":        50,
+				"image_min_disk_size": 20,
+			},
+			Err: true,
+		},
+		{
+			Name: "image_min_disk_size greate than disk_size (custom value)",
+			Config: map[string]interface{}{
+				"disk_size_gb":        50,
+				"image_min_disk_size": 55,
+			},
+			Err: false,
+		},
+	}
+
+	for _, tc := range cases {
+		raw := testConfig(t)
+
+		for k, v := range tc.Config {
+			raw[k] = v
+		}
+
+		var c Config
+		warns, errs := c.Prepare(raw)
+
+		if tc.Err {
+			testConfigErr(t, warns, errs, tc.Name)
+		} else {
+			testConfigOk(t, warns, errs)
+		}
+	}
+}
+
 func TestConfigDefaults(t *testing.T) {
 	cases := []struct {
 		Read  func(c *Config) interface{}

builder/yandex/step_create_image.go

@@ -34,6 +34,7 @@ func (s *stepCreateImage) Run(ctx context.Context, state multistep.StateBag) mul
 		Family:      c.ImageFamily,
 		Description: c.ImageDescription,
 		Labels:      c.ImageLabels,
+		MinDiskSize: toBytes(c.ImageMinDiskSize),
 		ProductIds:  c.ImageProductIDs,
 		Source: &compute.CreateImageRequest_DiskId{
 			DiskId: diskID,

website/pages/partials/builder/yandex/Config-not-required.mdx

@@ -22,6 +22,9 @@
 - `image_labels` (map[string]string) - Key/value pair labels to
   apply to the created image.
 
+- `image_min_disk_size` (int) - Minimum size of the disk that will be created from built image, specified in gigabytes.
+  Should be more or equal to `disk_size_gb`.
+
 - `image_name` (string) - The unique name of the resulting image. Defaults to
   `packer-{{timestamp}}`.