Remove ComputeDriver.update_host_status()

Nobody calls the method.

Change-Id: Ib585f769788753c64e19fe49a1f186880e1c6f49

7 files changed, 0 insertions, 35 deletions

diff --git a/nova/tests/test_virt_drivers.py b/nova/tests/test_virt_drivers.py
index 05fe140d1..d5a2203f3 100644
--- a/nova/tests/test_virt_drivers.py
+++ b/nova/tests/test_virt_drivers.py
@@ -459,11 +459,6 @@ class _VirtDriverTestCase(_FakeDriverBackendTestCase):
         self.assertIn('host_memory_free', host_status)
 
     @catch_notimplementederror
-    def test_update_host_status(self):
-        host_status = self.connection.update_host_status()
-        self._check_host_status_fields(host_status)
-
-    @catch_notimplementederror
     def test_get_host_stats(self):
         host_status = self.connection.get_host_stats()
         self._check_host_status_fields(host_status)
diff --git a/nova/virt/baremetal/driver.py b/nova/virt/baremetal/driver.py
index e0941c37c..544e38c17 100644
--- a/nova/virt/baremetal/driver.py
+++ b/nova/virt/baremetal/driver.py
@@ -692,11 +692,6 @@ class BareMetalDriver(driver.ComputeDriver):
         """See comments of same method in firewall_driver."""
         pass
 
-    def update_host_status(self):
-        """Update the status info of the host, and return those values
-            to the calling program."""
-        return self.HostState.update_status()
-
     def get_host_stats(self, refresh=False):
         """Return the current state of the host. If 'refresh' is
            True, run the update first."""
diff --git a/nova/virt/driver.py b/nova/virt/driver.py
index d741524b0..59fac115f 100644
--- a/nova/virt/driver.py
+++ b/nova/virt/driver.py
@@ -586,10 +586,6 @@ class ComputeDriver(object):
         """Unplug VIFs from networks."""
         raise NotImplementedError()
 
-    def update_host_status(self):
-        """Refresh host stats"""
-        raise NotImplementedError()
-
     def get_host_stats(self, refresh=False):
         """Return currently known host stats"""
         raise NotImplementedError()
diff --git a/nova/virt/fake.py b/nova/virt/fake.py
index 959ab174c..6134019b2 100644
--- a/nova/virt/fake.py
+++ b/nova/virt/fake.py
@@ -273,10 +273,6 @@ class FakeDriver(driver.ComputeDriver):
         """ Removes the named VM, as if it crashed. For testing"""
         self.instances.pop(instance_name)
 
-    def update_host_status(self):
-        """Return fake Host Status of ram, disk, network."""
-        return self.host_status
-
     def get_host_stats(self, refresh=False):
         """Return fake Host Status of ram, disk, network."""
         return self.host_status
diff --git a/nova/virt/hyperv/driver.py b/nova/virt/hyperv/driver.py
index 1026ced95..f02ad3511 100644
--- a/nova/virt/hyperv/driver.py
+++ b/nova/virt/hyperv/driver.py
@@ -123,10 +123,6 @@ class HyperVDriver(driver.ComputeDriver):
     def get_available_resource(self):
         return self._vmops.get_available_resource()
 
-    def update_host_status(self):
-        """See xenapi_conn.py implementation."""
-        pass
-
     def get_host_stats(self, refresh=False):
         """See xenapi_conn.py implementation."""
         return {}
diff --git a/nova/virt/libvirt/driver.py b/nova/virt/libvirt/driver.py
index 763a98e80..2d3b1d954 100644
--- a/nova/virt/libvirt/driver.py
+++ b/nova/virt/libvirt/driver.py
@@ -2732,14 +2732,6 @@ class LibvirtDriver(driver.ComputeDriver):
         self.firewall_driver.unfilter_instance(instance_ref,
                                                network_info=network_info)
 
-    def update_host_status(self):
-        """Retrieve status info from libvirt.
-
-        Query libvirt to get the state of the compute node, such
-        as memory and disk usage.
-        """
-        return self.host_state.update_status()
-
     def get_host_stats(self, refresh=False):
         """Return the current state of the host.
 
diff --git a/nova/virt/xenapi/driver.py b/nova/virt/xenapi/driver.py
index 04b75598c..2db7c1b17 100644
--- a/nova/virt/xenapi/driver.py
+++ b/nova/virt/xenapi/driver.py
@@ -554,11 +554,6 @@ class XenAPIDriver(driver.ComputeDriver):
     def refresh_provider_fw_rules(self):
         return self._vmops.refresh_provider_fw_rules()
 
-    def update_host_status(self):
-        """Update the status info of the host, and return those values
-            to the calling program."""
-        return self.host_state.update_status()
-
     def get_host_stats(self, refresh=False):
         """Return the current state of the host. If 'refresh' is
            True, run the update first."""