1 files changed, 112 insertions, 0 deletions
diff --git a/src/onaptests/steps/instantiate/vf_module_ala_carte.py b/src/onaptests/steps/instantiate/vf_module_ala_carte.py
new file mode 100644
index 0000000..fd4b368
--- /dev/null
+++ b/src/onaptests/steps/instantiate/vf_module_ala_carte.py
@@ -0,0 +1,112 @@
+import time
+from typing import Iterable
+from uuid import uuid4
+from yaml import load
+
+from onapsdk.aai.business import Customer, ServiceInstance, ServiceSubscription
+from onapsdk.configuration import settings
+from onapsdk.so.instantiation import VnfParameter
+
+from ..base import YamlTemplateBaseStep
+from .vnf_ala_carte import YamlTemplateVnfAlaCarteInstantiateStep
+
+
+class YamlTemplateVfModuleAlaCarteInstantiateStep(YamlTemplateBaseStep):
+    """Instantiate vf module a'la carte using YAML template."""
+
+    def __init__(self, cleanup=False):
+        """Initialize step.
+
+        Substeps:
+            - YamlTemplateVnfAlaCarteInstantiateStep.
+        """
+        super().__init__(cleanup=cleanup)
+        self._yaml_template: dict = None
+        self.add_step(YamlTemplateVnfAlaCarteInstantiateStep(cleanup))
+
+    @property
+    def yaml_template(self) -> dict:
+        """Step YAML template.
+
+        Load from file if it's a root step, get from parent otherwise.
+
+        Returns:
+            dict: Step YAML template
+
+        """
+        if self.is_root:
+            if not self._yaml_template:
+                with open(settings.SERVICE_YAML_TEMPLATE, "r") as yaml_template:
+                    self._yaml_template: dict = load(yaml_template)
+            return self._yaml_template
+        return self.parent.yaml_template
+
+    @property
+    def service_name(self) -> str:
+        """Service name.
+
+        Get from YAML template if it's a root step, get from parent otherwise.
+
+        Returns:
+            str: Service name
+
+        """
+        if self.is_root:
+            return next(iter(self.yaml_template.keys()))
+        return self.parent.service_name
+
+    @property
+    def service_instance_name(self) -> str:
+        """Service instance name.
+
+        Generate using `service_name` and `uuid4()` function if it's a root step,
+            get from parent otherwise.
+
+        Returns:
+            str: Service instance name
+
+        """
+        if self.is_root:
+            return f"{self.service_name}-{str(uuid4())}"
+        return self.parent.service_instance_name
+
+    def get_vnf_parameters(self, vnf_name: str) -> Iterable[VnfParameter]:
+        """Get VNF parameters from YAML template.
+
+        Args:
+            vnf_name (str): VNF name to get parameters for.
+
+        Yields:
+            Iterator[Iterable[VnfParameter]]: VNF parameter
+
+        """
+        for vnf in self.yaml_template[self.service_name]["vnfs"]:
+            if vnf["vnf_name"] == vnf_name:
+                for vnf_parameter in vnf["vnf_parameters"]:
+                    yield VnfParameter(
+                        name=vnf_parameter["name"],
+                        value=vnf_parameter["value"]
+                    )
+
+    def execute(self) -> None:
+        """Instantiate Vf module.
+
+        Use settings values:
+         - GLOBAL_CUSTOMER_ID.
+
+        Raises:
+            Exception: Vf module instantiation failed
+
+        """
+        super().execute()
+        customer: Customer = Customer.get_by_global_customer_id(settings.GLOBAL_CUSTOMER_ID)
+        service_subscription: ServiceSubscription = customer.get_service_subscription_by_service_type(self.service_name)
+        service_instance: ServiceInstance = service_subscription.get_service_instance_by_name(self.service_instance_name)
+        for vnf_instance in service_instance.vnf_instances:
+            vf_module_instantiation = vnf_instance.add_vf_module(
+                vnf_instance.vnf.vf_module,
+                vnf_parameters= self.get_vnf_parameters(vnf_instance.vnf.vnf_name))
+            while not vf_module_instantiation.finished:
+                time.sleep(10)
+            if vf_module_instantiation.failed:
+                raise Exception("Vf module instantiation failed")