Update documentation

post-processor/yandex-export/post-processor.go

@@ -29,10 +29,8 @@ type Config struct {
 
 	// List of paths to Yandex Object Storage where exported image will be uploaded.
 	// Please be aware that use of space char inside path not supported.
-	// Example value `[
-	//        "s3://bucket-name/image-blob.qcow2",
-	//      ]`
 	// Also this param support [build](/docs/templates/engine) template function.
+	// Check available template data for [Yandex](/docs/builders/yandex#build-template-data) builder.
 	Paths []string `mapstructure:"paths" required:"true"`
 	// The folder ID that will be used to launch a temporary instance.
 	// Alternatively you may set value by environment variable YC_FOLDER_ID.
@@ -231,8 +229,6 @@ func (p *PostProcessor) PostProcess(ctx context.Context, ui packer.Ui, artifact
 	state.Put("driver", driver)
 	state.Put("sdk", driver.SDK())
 	state.Put("ui", ui)
-	// no used
-	gd := &builder.GeneratedData{State: state}
 
 	// Build the steps.
 	steps := []multistep.Step{

website/pages/docs/builders/yandex.mdx

@@ -73,3 +73,62 @@ can be configured for this builder.
 ### Optional:
 
 @include 'builder/yandex/Config-not-required.mdx'
+
+
+## Build template data
+
+In configuration directives the following variables are available:
+
+- `ImageID` - ID of the built image.
+- `ImageName` - Name of the built image.
+- `ImageFamily` - Family of the built image.
+- `ImageDescription` - Description of the built image.
+- `ImageFolderID` - Folder ID where the built image is stored.
+- `SourceImageID` - The source image ID (for example `fd8fjtn3mj2kfe7h6f0r`) used to build the image.
+- `SourceImageName` - The source image name (for example `ubuntu-1604-lts-1579200746`) used to build the image.
+- `SourceImageDescription` - The source image description (for example `ubuntu 16.04 lts`).
+- `SourceImageFamily` - The source image family (for example `ubuntu-1604-lts`).
+- `SourceImageFolderID` - The folder ID where source image located (for example `standard-images`).
+
+
+## Build Shared Information Variables
+
+This builder generates data that are shared with provisioner and post-processor via build function of
+[template engine](/docs/templates/engine) for JSON and [contextual variables](/docs/from-1.5/contextual-variables)
+for HCL2.
+
+The generated variables available for this builder see above
+
+Usage example:
+
+<Tabs>
+<Tab heading="JSON">
+
+```json
+"post-processors": [
+    {
+      "type": "manifest",
+      "output": "manifest.json",
+      "strip_path": true,
+      "custom_data": {
+        "source_image_id": "{{ build `SourceImageID` }}"
+      }
+    }
+]
+```
+
+</Tab>
+<Tab heading="HCL2">
+
+```hcl
+post-processor "manifest" {
+    output = "manifest.json"
+    strip_path = true
+    custom_data = {
+        source_image_id = "${build.SourceImageID}"
+    }
+}
+```
+
+</Tab>
+</Tabs>

website/pages/partials/post-processor/yandex-export/Config-required.mdx

@@ -2,10 +2,8 @@
 
 -   `paths` ([]string) - List of paths to Yandex Object Storage where exported image will be uploaded.
     Please be aware that use of space char inside path not supported.
-    Example value `[
-           "s3://bucket-name/image-blob.qcow2",
-         ]`
     Also this param support [build](/docs/templates/engine) template function.
+    Check available template data for [Yandex](/docs/builders/yandex#build-template-data) builder.
     
 -   `folder_id` (string) - The folder ID that will be used to launch a temporary instance.
     Alternatively you may set value by environment variable YC_FOLDER_ID.