create_image view added + etcd3_wrapper module added

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "etcd3_wrapper"]
+	path = etcd3_wrapper
+	url = https://code.ungleich.ch/ahmedbilal/etcd3_wrapper

etcd3_wrapper

@@ -0,0 +1 @@
+Subproject commit 59974e2047bbea08b72d32129fd905bbea6e9d70

main.py

@@ -1,3 +1,6 @@
+# TODO
+#  convert etcd3 usage to etcd3_wrapper
+
 import etcd3
 import json
 
@@ -6,11 +9,13 @@ from flask import Flask
 from flask_restful import Resource, Api, reqparse
 from decouple import config
 from uuid import uuid4
+from etcd3_wrapper import Etcd3Wrapper
 
 app = Flask(__name__)
 api = Api(app)
 
 etcd_client = etcd3.client(host=config("ETCD_HOST"), port=int(config("ETCD_PORT")))
+client = Etcd3Wrapper()
 
 createvm_argparser = reqparse.RequestParser()
 createvm_argparser.add_argument("name", type=str, required=True)
@@ -27,6 +32,11 @@ deletevm_argparser.add_argument("vmid", type=str, required=True)
 vmstatus_argparser = reqparse.RequestParser()
 vmstatus_argparser.add_argument("id", type=str, required=True)
 
+createimage_argparser = reqparse.RequestParser()
+createimage_argparser.add_argument("uuid", type=str, required=True)
+createimage_argparser.add_argument("name", type=str, required=True)
+createimage_argparser.add_argument("image_store", type=str, required=True)
+
 
 class CreateVM(Resource):
     def post(self):
@@ -82,9 +92,41 @@ class VmStatus(Resource):
         return {"Message": "Not Found"}
 
 
+class CreateImage(Resource):
+    def post(self):
+        image_stores = list(client.get_prefix("/v1/image_store/"))
+        args = createimage_argparser.parse_args()
+        image_file_uuid = args.uuid
+        image_store_name = args.image_store
+
+        file_entry = client.get(f"/v1/files/{image_file_uuid}")
+        if file_entry is None:
+            return {"Message": "Image File Not Found"}, 400
+
+        file_entry_value = json.loads(file_entry.value)
+
+        image_store = list(filter(lambda s: json.loads(s.value)["name"] == image_store_name, image_stores))
+        if not image_store:
+            return {"Message": f"Store '{image_store_name}' does not exists"}, 400
+
+        image_store = image_store[0]
+        image_entry_json = {
+            "status": "TO_BE_CREATED",
+            "owner": file_entry_value["owner"],
+            "filename": file_entry_value["filename"],
+            "name": args.name,
+            "store_name": image_store_name
+        }
+        client.put(f"/v1/image/{image_file_uuid}", json.dumps(image_entry_json))
+
+        return {"Message": "Image successfully created"}
+
+
 api.add_resource(CreateVM, "/vm/create")
 api.add_resource(DeleteVM, "/vm/delete")
 api.add_resource(VmStatus, "/vm/status")
+api.add_resource(CreateImage, "/image/create")
+
 
 if __name__ == "__main__":
     app.run(host="::", debug=True)