feat(arm-builder): zone resilient from config

builder/azure/arm/config.go

@@ -107,6 +107,7 @@ type Config struct {
 	ManagedImageOSDiskSnapshotName     string `mapstructure:"managed_image_os_disk_snapshot_name"`
 	ManagedImageDataDiskSnapshotPrefix string `mapstructure:"managed_image_data_disk_snapshot_prefix"`
 	manageImageLocation                string
+	ManagedImageZoneResilient          bool `mapstructure:"managed_image_zone_resilient"`
 
 	// Deployment
 	AzureTags                         map[string]*string `mapstructure:"azure_tags"`
@@ -196,6 +197,9 @@ func (c *Config) toImageParameters() *compute.Image {
 			SourceVirtualMachine: &compute.SubResource{
 				ID: to.StringPtr(c.toVMID()),
 			},
+			StorageProfile: &compute.ImageStorageProfile{
+				ZoneResilient: to.BoolPtr(c.ManagedImageZoneResilient),
+			},
 		},
 		Location: to.StringPtr(c.Location),
 		Tags:     c.AzureTags,

builder/azure/arm/config_test.go

@@ -794,6 +794,51 @@ func TestConfigShouldRejectExcessiveTagValueLength(t *testing.T) {
 	}
 }
 
+func TestConfigZoneResilientShouldDefaultToFalse(t *testing.T) {
+	config := map[string]interface{}{
+		"managed_image_name":                "ignore",
+		"managed_image_resource_group_name": "ignore",
+		"build_resource_group_name":         "ignore",
+		"image_publisher":                   "igore",
+		"image_offer":                       "ignore",
+		"image_sku":                         "ignore",
+		"os_type":                           "linux",
+	}
+
+	c, _, err := newConfig(config, getPackerConfiguration())
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	p := c.toImageParameters()
+	if *p.ImageProperties.StorageProfile.ZoneResilient {
+		t.Fatal("expected zone resilient default to be false")
+	}
+}
+
+func TestConfigZoneResilientSetFromConfig(t *testing.T) {
+	config := map[string]interface{}{
+		"managed_image_name":                "ignore",
+		"managed_image_resource_group_name": "ignore",
+		"build_resource_group_name":         "ignore",
+		"image_publisher":                   "igore",
+		"image_offer":                       "ignore",
+		"image_sku":                         "ignore",
+		"os_type":                           "linux",
+		"managed_image_zone_resilient":      true,
+	}
+
+	c, _, err := newConfig(config, getPackerConfiguration())
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	p := c.toImageParameters()
+	if *p.ImageProperties.StorageProfile.ZoneResilient == false {
+		t.Fatal("expected managed image zone resilient to be true from config")
+	}
+}
+
 func TestConfigShouldRejectMissingCustomDataFile(t *testing.T) {
 	config := map[string]interface{}{
 		"capture_name_prefix":    "ignore",

website/source/docs/builders/azure.html.md

@@ -333,6 +333,9 @@ Providing `temp_resource_group_name` or `location` in combination with
     is set, snapshot of the data disk(s) is created with the same prefix as this value before the VM 
     is captured.
 
+-   `managed_image_zone_resilient` (bool) Store the image in zone-resilient storage. You need to create it
+    in a region that supports [availability zones](https://docs.microsoft.com/en-us/azure/availability-zones/az-overview).
+
 ## Basic Example
 
 Here is a basic example for Azure.