Add kalray plugin to configure DPU

- Work is in progress...
  - Just create the skeleton

SOURCES/etc/xapi.d/plugins/kalray-dpu.py

@@ -0,0 +1,43 @@
+#!/usr/bin/python
+
+import XenAPIPlugin
+
+from xcpngutils import error_wrapped
+
+# Usage example:
+# xe host-call-plugin \
+#   host-uuid=ffa19733-267f-4311-8b5f-01e62011b646 \
+#   plugin=kalray-dpu.py \
+#   fn=create_raid \
+#   args:data="hello, world"
+
+@error_wrapped
+def create_raid(session, args):
+    try:
+        data = args["data"]
+        return data[::-1]
+    except KeyError:
+        raise RuntimeError("No argument found with key 'data'.")
+
+@error_wrapped
+def create_lvs(session, args):
+    try:
+        data = args["data"]
+        return data[::-1]
+    except KeyError:
+        raise RuntimeError("No argument found with key 'data'.")
+
+@error_wrapped
+def create_lvol(session, args):
+    try:
+        data = args["data"]
+        return data[::-1]
+    except KeyError:
+        raise RuntimeError("No argument found with key 'data'.")
+
+if __name__ == "__main__":
+    XenAPIPlugin.dispatch({
+        "create_raid": create_raid,
+        "create_lvs": create_lvs,
+        "create_lvol": create_lvol,
+    })