Add CNF NFD generation to build command

src/aosm/azext_aosm/_configuration.py

@@ -1,5 +1,5 @@
-from dataclasses import dataclass
-from typing import Dict, Optional, Any
+from dataclasses import dataclass, field
+from typing import Dict, Optional, Any, List
 from pathlib import Path
 from azure.cli.core.azclierror import ValidationError, InvalidArgumentValueError
 from azext_aosm.util.constants import VNF_DEFINITION_OUTPUT_BICEP_PREFIX, VNF, CNF, NSD
@@ -126,7 +126,6 @@ def validate(self) -> None:
     def sa_manifest_name(self) -> str:
         """Return the Storage account manifest name from the NFD name."""
         return f"{self.nf_name}-sa-manifest-{self.version.replace('.', '-')}"
-
     @property
     def build_output_folder_name(self) -> str:
         """Return the local folder for generating the bicep template to."""
@@ -135,6 +134,32 @@ def build_output_folder_name(self) -> str:
             f"{VNF_DEFINITION_OUTPUT_BICEP_PREFIX}{Path(str(arm_template_path)).stem}"
         )
 
+@dataclass
+class HelmPackageConfig:
+    name: str = "Name of the Helm package"
+    path_to_chart: str = "Path to the Helm chart"
+    depends_on: List[str] = field(default_factory=lambda: ["Names of the Helm packages this package depends on"])
+
+@dataclass
+class CNFConfiguration(NFConfiguration):
+    helm_packages: List[Any] = field(default_factory=lambda: [HelmPackageConfig()])
+
+    def __post_init__(self):
+        """
+        Cope with deserializing subclasses from dicts to HelmPackageConfig.
+
+        Used when creating CNFConfiguration object from a loaded json config file.
+        """
+        for package in self.helm_packages:
+            if isinstance(package, dict):
+                package = HelmPackageConfig(**dict(package))
+
+    @property
+    def build_output_folder_name(self) -> str:
+        """Return the local folder for generating the bicep template to."""
+        return (
+            f"{VNF_DEFINITION_OUTPUT_BICEP_PREFIX}{self.nf_name}"
+        )
 
 def get_configuration(
     definition_type: str, config_as_dict: Optional[Dict[Any, Any]] = None
@@ -145,7 +170,7 @@ def get_configuration(
     if definition_type == VNF:
         config = VNFConfiguration(**config_as_dict)
     elif definition_type == CNF:
-        config = NFConfiguration(**config_as_dict)
+        config = CNFConfiguration(**config_as_dict)
     elif definition_type == NSD:
         config = NFConfiguration(**config_as_dict)
     else:
@@ -154,3 +179,4 @@ def get_configuration(
         )
 
     return config
+