+ Args:
+ vnfd: Descriptor as a dictionary
+
+ Returns:
+ Juju bundle if dictionary has juju-bundle else None
+
+ """
+ if vnfd.get("vnfd"):
+ vnfd = vnfd["vnfd"]
+
+ for kdu in vnfd.get("kdu", []):
+ return kdu.get("juju-bundle", None)
+
+
+def get_charm_artifact_path(base_folder, charm_name, charm_type, revision=str()) -> str:
+ """Finds the charm artifact paths
+
+ Args:
+ base_folder: Main folder which will be looked up for charm
+ charm_name: Charm name
+ charm_type: Type of charm native_charm, lxc_proxy_charm or k8s_proxy_charm
+ revision: vnf package revision number if there is
+
+ Returns:
+ artifact_path: (str)
+
+ """
+ extension = ""
+ if revision:
+ extension = ":" + str(revision)
+
+ if base_folder.get("pkg-dir"):
+ artifact_path = "{}/{}/{}/{}".format(
+ base_folder["folder"].split(":")[0] + extension,
+ base_folder["pkg-dir"],
+ "charms"
+ if charm_type in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
+ else "helm-charts",
+ charm_name,
+ )
+
+ else:
+ # For SOL004 packages
+ artifact_path = "{}/Scripts/{}/{}".format(
+ base_folder["folder"].split(":")[0] + extension,
+ "charms"
+ if charm_type in ("native_charm", "lxc_proxy_charm", "k8s_proxy_charm")
+ else "helm-charts",
+ charm_name,
+ )
+
+ return artifact_path
+
+
+def populate_dict(target_dict, key_list, value):
+ """
+ Update target_dict creating nested dictionaries with the key_list. Last key_list item is asigned the value.
+ Example target_dict={K: J}; key_list=[a,b,c]; target_dict will be {K: J, a: {b: {c: value}}}
+ :param target_dict: dictionary to be changed
+ :param key_list: list of keys to insert at target_dict
+ :param value:
+ :return: None
+ """
+ for key in key_list[0:-1]:
+ if key not in target_dict:
+ target_dict[key] = {}
+ target_dict = target_dict[key]
+ target_dict[key_list[-1]] = value
+
+
+class LcmBase:
+ def __init__(self, msg, logger):