feature: sol004 and sol007

[osm/osmclient.git] / osmclient / common / package_handling.py

diff --git a/osmclient/common/package_handling.py b/osmclient/common/package_handling.py
new file mode 100644 (file)
index 0000000..40a2fc5
--- /dev/null
+++ b/osmclient/common/package_handling.py
@@ -0,0 +1,70 @@
+# Copyright ETSI Contributors and Others.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import osmclient.common.utils as utils
+import os
+
+SOL004_TOSCA = "SOL004_TOSCA"
+SOL004 = "SOL004"
+SOL007_TOSCA = "SOL007_TOSCA"
+SOL007 = "SOL007"
+OSM_OLD = "OSM_OLD"
+
+
+def get_package_type(package_folder):
+    """
+    Detects the package's structure and returns the type:
+    SOL004
+    SOL007
+    OSM_OLD
+    """
+
+    package_files = os.listdir(package_folder)
+    if "Definitions" in package_files and "TOSCA-Metadata" in package_files:
+        descriptors = [
+            definition
+            for definition in os.listdir(package_folder + "/Definitions")
+            if definition.endswith(".yaml") or definition.endswith(".yml")
+        ]
+        if len(descriptors) < 1:
+            raise Exception(
+                "No descriptor found on this package, OSM was expecting at least 1"
+            )
+        pkg_type = utils.get_key_val_from_pkg(descriptors[0])
+        if pkg_type == "nsd":
+            return SOL007_TOSCA
+        else:
+            return SOL004_TOSCA
+    else:
+        manifests = [afile for afile in package_files if afile.endswith(".mf")]
+        if len(manifests) < 1:
+            # No manifest found, probably old OSM package structure
+            return OSM_OLD
+        else:
+            descriptors = [
+                definition
+                for definition in package_files
+                if definition.endswith(".yaml") or definition.endswith(".yml")
+            ]
+            if len(descriptors) < 1:
+                raise Exception(
+                    "No descriptor found on this package, OSM was expecting at least 1"
+                )
+            with open(os.path.join(package_folder, descriptors[0])) as descriptor:
+                pkg_type = utils.get_key_val_from_descriptor(descriptor)
+                if pkg_type["type"] == "nsd":
+                    return SOL007
+                else:
+                    return SOL004