Support defined tags for oci builder

builder/oracle/oci/config.go

@@ -63,7 +63,8 @@ type Config struct {
 	SubnetID string `mapstructure:"subnet_ocid"`
 
 	// Tagging
-	Tags map[string]string `mapstructure:"tags"`
+	Tags        map[string]string                 `mapstructure:"tags"`
+	DefinedTags map[string]map[string]interface{} `mapstructure:"defined_tags"`
 
 	ctx interpolate.Context
 }
@@ -207,6 +208,9 @@ func NewConfig(raws ...interface{}) (*Config, error) {
 		}
 	}
 
+	//if c.DefinedTags != nil {
+	//	}
+
 	if c.ImageName == "" {
 		name, err := interpolate.Render("packer-{{timestamp}}", nil)
 		if err != nil {

builder/oracle/oci/config_test.go

@@ -32,6 +32,9 @@ func testConfig(accessConfFile *os.File) map[string]interface{} {
 		"metadata": map[string]string{
 			"key": "value",
 		},
+		"defined_tags": map[string]map[string]interface{}{
+			"namespace": {"key": "value"},
+		},
 	}
 }
 

builder/oracle/oci/driver_oci.go

@@ -81,6 +81,7 @@ func (d *driverOCI) CreateImage(ctx context.Context, id string) (core.Image, err
 		InstanceId:    &id,
 		DisplayName:   &d.cfg.ImageName,
 		FreeformTags:  d.cfg.Tags,
+		DefinedTags:   d.cfg.DefinedTags,
 	}})
 
 	if err != nil {

website/source/docs/builders/oracle-oci.html.md

@@ -161,6 +161,19 @@ builder.
   "tag2": "value2"
 ```
 
+-   `defined_tags` (map of map of strings) - Add one or more defined tags for a given namespace to the resulting
+    custom image. See [the Oracle
+    docs](https://docs.cloud.oracle.com/iaas/Content/Identity/Concepts/taggingoverview.htm)
+    for more details. Example:
+
+``` {.yaml}
+"tags":
+  "namespace": {
+    "tag1": "value1",
+    "tag2": "value2"
+  }
+```
+
 ## Basic Example
 
 Here is a basic example. Note that account specific configuration has been