Remove unused InstanceInfo class.

We no longer use InstanceInfo.

Also removes some unused _map_to_instance_info functions in
various virt drivers.

Change-Id: I02ead10e43426b9ad051970e9e78e970de5b1ac1

4 files changed, 0 insertions, 37 deletions

diff --git a/nova/virt/baremetal/driver.py b/nova/virt/baremetal/driver.py
index 45cd40b75..62fffc25b 100644
--- a/nova/virt/baremetal/driver.py
+++ b/nova/virt/baremetal/driver.py
@@ -105,13 +105,6 @@ class BareMetalDriver(driver.ComputeDriver):
     def list_instances(self):
         return self._conn.list_domains()
 
-    def _map_to_instance_info(self, domain_name):
-        """Gets info from a virsh domain object into an InstanceInfo"""
-        _domain_info = self._conn.get_domain_info(domain_name)
-        state, _max_mem, _mem, _num_cpu, _cpu_time = _domain_info
-        name = domain_name
-        return driver.InstanceInfo(name, state)
-
     def destroy(self, instance, network_info, block_device_info=None,
                 cleanup=True):
         while True:
diff --git a/nova/virt/driver.py b/nova/virt/driver.py
index 182e16b4a..eab0c1c1d 100644
--- a/nova/virt/driver.py
+++ b/nova/virt/driver.py
@@ -31,13 +31,6 @@ LOG = logging.getLogger(__name__)
 FLAGS = flags.FLAGS
 
 
-class InstanceInfo(object):
-    def __init__(self, name, state):
-        self.name = name
-        assert state in power_state.valid_states(), "Bad state: %s" % state
-        self.state = state
-
-
 def block_device_info_get_root(block_device_info):
     block_device_info = block_device_info or {}
     return block_device_info.get('root_device_name')
diff --git a/nova/virt/fake.py b/nova/virt/fake.py
index fcb46bca7..d775cf6eb 100644
--- a/nova/virt/fake.py
+++ b/nova/virt/fake.py
@@ -71,11 +71,6 @@ class FakeDriver(driver.ComputeDriver):
     def list_instances(self):
         return self.instances.keys()
 
-    def _map_to_instance_info(self, instance):
-        instance = utils.check_isinstance(instance, FakeInstance)
-        info = driver.InstanceInfo(instance.name, instance.state)
-        return info
-
     def plug_vifs(self, instance, network_info):
         """Plug VIFs into networks."""
         pass
diff --git a/nova/virt/libvirt/driver.py b/nova/virt/libvirt/driver.py
index af230c59e..d6f8a7831 100644
--- a/nova/virt/libvirt/driver.py
+++ b/nova/virt/libvirt/driver.py
@@ -421,24 +421,6 @@ class LibvirtDriver(driver.ComputeDriver):
                 pass
         return names
 
-    @staticmethod
-    def _map_to_instance_info(domain):
-        """Gets info from a virsh domain object into an InstanceInfo"""
-
-        # domain.info() returns a list of:
-        #    state:       one of the state values (virDomainState)
-        #    maxMemory:   the maximum memory used by the domain
-        #    memory:      the current amount of memory used by the domain
-        #    nbVirtCPU:   the number of virtual CPU
-        #    puTime:      the time used by the domain in nanoseconds
-
-        (state, _max_mem, _mem, _num_cpu, _cpu_time) = domain.info()
-        state = LIBVIRT_POWER_STATE[state]
-
-        name = domain.name()
-
-        return driver.InstanceInfo(name, state)
-
     def plug_vifs(self, instance, network_info):
         """Plug VIFs into networks."""
         for (network, mapping) in network_info: