Support server unshelve to specific host

Closes-Bug: #2075972
Change-Id: I9b20bb8c32ed95bb4d3dad3f8f0e139380d45c27

openstack/compute/v2/_proxy.py

@@ -1183,7 +1183,7 @@ class Proxy(proxy.Proxy):
         server = self._get_resource(_server.Server, server)
         server.shelve_offload(self)
 
-    def unshelve_server(self, server):
+    def unshelve_server(self, server, *, host=None):
         """Unshelves or restores a shelved server.
 
         Policy defaults enable only users with administrative role or the
@@ -1192,10 +1192,12 @@ class Proxy(proxy.Proxy):
 
         :param server: Either the ID of a server or a
             :class:`~openstack.compute.v2.server.Server` instance.
+        :param host: An optional parameter specifying the name the compute
+            host to unshelve to. (New in API version 2.91).
         :returns: None
         """
         server = self._get_resource(_server.Server, server)
-        server.unshelve(self)
+        server.unshelve(self, host=host)
 
     def trigger_server_crash_dump(self, server):
         """Trigger a crash dump in a server.

openstack/tests/unit/compute/v2/test_proxy.py

@@ -1276,6 +1276,21 @@ class TestCompute(TestComputeProxy):
             self.proxy.unshelve_server,
             method_args=["value"],
             expected_args=[self.proxy],
+            expected_kwargs={
+                "host": None,
+            },
+        )
+
+    def test_server_unshelve_with_options(self):
+        self._verify(
+            "openstack.compute.v2.server.Server.unshelve",
+            self.proxy.unshelve_server,
+            method_args=["value"],
+            method_kwargs={"host": "HOST2"},
+            expected_args=[self.proxy],
+            expected_kwargs={
+                "host": "HOST2",
+            },
         )
 
     def test_server_trigger_dump(self):

releasenotes/notes/fix-server-unshelve-to-host-cb02eee8a20ba478.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixed the issue that unshelving a server to a specific host was failed
+    due to unhandled host option.