stages: add more options to qemu vmdk disk type

The CoreOS team uses the compat6 and adapter_type options when creating
a VMDK for AWS.

e1943d6adb/src/cosalib/qemuvariants.py (L48)

stages/org.osbuild.qemu

@@ -21,14 +21,24 @@ def qcow2_arguments(options):
 
 def vmdk_arguments(options):
     argv = []
+    adapter_type = options.get("adapter_type")
+    compat6 = options.get("compat6", False)
     compression = options.get("compression", True)
     subformat = options.get("subformat")
 
     if compression:
         argv += ["-c"]
 
-    if subformat:
-        argv += ["-o", f"subformat={subformat}"]
+    if compat6 or subformat or adapter_type:
+        opts = []
+        if adapter_type:
+            opts += [f"adapter_type={adapter_type}"]
+        if compat6:
+            opts += ["compat6"]
+        if subformat:
+            opts += [f"subformat={subformat}"]
+        argv += ["-o", ",".join(opts)]
+
     return argv
 
 

stages/org.osbuild.qemu.meta.json

@@ -68,6 +68,21 @@
               "vmdk"
             ]
           },
+          "adapter_type": {
+            "description": "Virtual adapter type",
+            "type": "string",
+            "enum": [
+              "ide",
+              "lsilogic",
+              "buslogic",
+              "legacyESX"
+            ]
+          },
+          "compat6": {
+            "description": "VMDK version 6 image",
+            "type": "boolean",
+            "default": false
+          },
           "compression": {
             "description": "Enable/disable compression of the vmdk image",
             "type": "boolean",