promote kms_key_name to ga (#6177) (#11976)

Signed-off-by: Modular Magician <magic-modules@google.com>

.changelog/6177.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+compute: promoted `disk_encryption_key.kms_key_name` on `google_compute_region_disk`
+```

google/resource_compute_region_disk.go

@@ -97,6 +97,12 @@ you do not need to provide a key to use the disk later.`,
 				MaxItems: 1,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
+						"kms_key_name": {
+							Type:        schema.TypeString,
+							Optional:    true,
+							ForceNew:    true,
+							Description: `The name of the encryption key that is stored in Google Cloud KMS.`,
+						},
 						"raw_key": {
 							Type:     schema.TypeString,
 							Optional: true,
@@ -813,6 +819,8 @@ func flattenComputeRegionDiskDiskEncryptionKey(v interface{}, d *schema.Resource
 		flattenComputeRegionDiskDiskEncryptionKeyRawKey(original["rawKey"], d, config)
 	transformed["sha256"] =
 		flattenComputeRegionDiskDiskEncryptionKeySha256(original["sha256"], d, config)
+	transformed["kms_key_name"] =
+		flattenComputeRegionDiskDiskEncryptionKeyKmsKeyName(original["kmsKeyName"], d, config)
 	return []interface{}{transformed}
 }
 func flattenComputeRegionDiskDiskEncryptionKeyRawKey(v interface{}, d *schema.ResourceData, config *Config) interface{} {
@@ -823,6 +831,10 @@ func flattenComputeRegionDiskDiskEncryptionKeySha256(v interface{}, d *schema.Re
 	return v
 }
 
+func flattenComputeRegionDiskDiskEncryptionKeyKmsKeyName(v interface{}, d *schema.ResourceData, config *Config) interface{} {
+	return v
+}
+
 func flattenComputeRegionDiskSnapshot(v interface{}, d *schema.ResourceData, config *Config) interface{} {
 	if v == nil {
 		return v
@@ -943,6 +955,13 @@ func expandComputeRegionDiskDiskEncryptionKey(v interface{}, d TerraformResource
 		transformed["sha256"] = transformedSha256
 	}
 
+	transformedKmsKeyName, err := expandComputeRegionDiskDiskEncryptionKeyKmsKeyName(original["kms_key_name"], d, config)
+	if err != nil {
+		return nil, err
+	} else if val := reflect.ValueOf(transformedKmsKeyName); val.IsValid() && !isEmptyValue(val) {
+		transformed["kmsKeyName"] = transformedKmsKeyName
+	}
+
 	return transformed, nil
 }
 
@@ -954,6 +973,10 @@ func expandComputeRegionDiskDiskEncryptionKeySha256(v interface{}, d TerraformRe
 	return v, nil
 }
 
+func expandComputeRegionDiskDiskEncryptionKeyKmsKeyName(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
+	return v, nil
+}
+
 func expandComputeRegionDiskSnapshot(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
 	f, err := parseGlobalFieldValue("snapshots", v.(string), "project", d, config, true)
 	if err != nil {

website/docs/r/compute_region_disk.html.markdown

@@ -193,7 +193,7 @@ The following arguments are supported:
   encryption key that protects this resource.
 
 * `kms_key_name` -
-  (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html))
+  (Optional)
   The name of the encryption key that is stored in Google Cloud KMS.
 
 <a name="nested_source_snapshot_encryption_key"></a>The `source_snapshot_encryption_key` block supports: