initial code added

main.py

@@ -0,0 +1,30 @@
+import os
+import subprocess
+
+from etcd3_wrapper import Etcd3Wrapper
+
+BASE_PATH = "/var/www"
+
+client = Etcd3Wrapper()
+images = list(client.get_prefix("/v1/image/", value_in_json=True))
+images_to_be_created = list(filter(lambda e: e.value["status"] == "TO_BE_CREATED", images))
+
+for image in images_to_be_created:
+    image_full_path = f"{BASE_PATH}/{image.value['owner']}/{image.value['filename']}"
+    if os.path.isfile(image_full_path):
+        output = subprocess.check_output(["qemu-img", "info", image_full_path]).decode("utf-8")
+        if "qcow2" in output:
+            print("qcow2 format")
+            print("Converting it to raw")
+            subprocess.run(["qemu-img", "convert", "-f", "qcow2",
+                            "-O", "raw", image_full_path, "image.raw"])
+            if os.path.isfile("image.raw"):
+                subprocess.run(["rbd", "import", "image.raw",
+                               f"{image.value['store_name']}/{image.key.split('/')[-1]}"])
+                os.remove("image.raw")
+            else:
+                print("image.raw not found")
+        else:
+            print("not qcow2 format")
+    else:
+        print("File does not exists")