osmclient/common/package_handling.py

   1 # Copyright ETSI Contributors and Others.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #    http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  12 # implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 import osmclient.common.utils as utils
  17 import os
  18
  19 SOL004_TOSCA = "SOL004_TOSCA"
  20 SOL004 = "SOL004"
  21 SOL007_TOSCA = "SOL007_TOSCA"
  22 SOL007 = "SOL007"
  23 OSM_OLD = "OSM_OLD"
  24
  25
  26 def get_package_type(package_folder):
  27     """
  28     Detects the package's structure and returns the type:
  29     SOL004
  30     SOL007
  31     OSM_OLD
  32     """
  33
  34     package_files = os.listdir(package_folder)
  35     if "Definitions" in package_files and "TOSCA-Metadata" in package_files:
  36         descriptors = [
  37             definition
  38             for definition in os.listdir(package_folder + "/Definitions")
  39             if definition.endswith(".yaml") or definition.endswith(".yml")
  40         ]
  41         if len(descriptors) < 1:
  42             raise Exception(
  43                 "No descriptor found on this package, OSM was expecting at least 1"
  44             )
  45         pkg_type = utils.get_key_val_from_pkg(descriptors[0])
  46         if pkg_type == "nsd":
  47             return SOL007_TOSCA
  48         else:
  49             return SOL004_TOSCA
  50     else:
  51         manifests = [afile for afile in package_files if afile.endswith(".mf")]
  52         if len(manifests) < 1:
  53             # No manifest found, probably old OSM package structure
  54             return OSM_OLD
  55         else:
  56             descriptors = [
  57                 definition
  58                 for definition in package_files
  59                 if definition.endswith(".yaml") or definition.endswith(".yml")
  60             ]
  61             if len(descriptors) < 1:
  62                 raise Exception(
  63                     "No descriptor found on this package, OSM was expecting at least 1"
  64                 )
  65             with open(os.path.join(package_folder, descriptors[0])) as descriptor:
  66                 pkg_type = utils.get_key_val_from_descriptor(descriptor)
  67                 if pkg_type["type"] == "nsd":
  68                     return SOL007
  69                 else:
  70                     return SOL004