Fix VNFD build (Azure#42)

src/aosm/azext_aosm/_configuration.py

@@ -340,7 +340,8 @@ def __post_init__(self):
             self.arm_template = ArtifactConfig(**self.arm_template)
 
         if isinstance(self.vhd, dict):
-            self.vhd["file_path"] = self.path_from_cli_dir(self.vhd["file_path"])
+            if self.vhd.get("file_path"):
+                self.vhd["file_path"] = self.path_from_cli_dir(self.vhd["file_path"])
             self.vhd = ArtifactConfig(**self.vhd)
             self.validate()
 

src/aosm/azext_aosm/tests/latest/mock_vnf/input_with_sas.json

@@ -0,0 +1,18 @@
+{
+    "publisher_name": "jamie-mobile-publisher",
+    "publisher_resource_group_name": "Jamie-publisher",
+    "nf_name": "ubuntu-vm",
+    "version": "1.0.0",
+    "acr_artifact_store_name": "ubuntu-acr",
+    "location": "eastus",
+    "blob_artifact_store_name": "ubuntu-blob-store",
+    "image_name_parameter": "imageName",
+    "arm_template": {
+        "file_path": "ubuntu-template.json",
+        "version": "1.0.0"
+    },
+    "vhd": {
+        "blob_sas_url": "https://a/dummy/sas-url",
+        "version": "1-0-0"
+    }
+}

src/aosm/azext_aosm/tests/latest/test_vnf.py

@@ -37,7 +37,16 @@ def test_build(self):
             os.chdir(test_dir)
 
             try:
-                build_definition("vnf", str(mock_vnf_folder / "input.json"))
+                build_definition("vnf", str(mock_vnf_folder / "input_with_fp.json"))
+                assert os.path.exists("nfd-bicep-ubuntu-template")
+            finally:
+                os.chdir(starting_directory)
+
+        with TemporaryDirectory() as test_dir:
+            os.chdir(test_dir)
+
+            try:
+                build_definition("vnf", str(mock_vnf_folder / "input_with_sas.json"))
                 assert os.path.exists("nfd-bicep-ubuntu-template")
             finally:
                 os.chdir(starting_directory)
@@ -53,7 +62,7 @@ def test_build_with_ordered_params(self):
             try:
                 build_definition(
                     "vnf",
-                    str(mock_vnf_folder / "input.json"),
+                    str(mock_vnf_folder / "input_with_fp.json"),
                     order_params=True,
                 )
                 assert os.path.exists("nfd-bicep-ubuntu-template")