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-rw-r--r--nova/tests/test_zone_aware_scheduler.py143
1 files changed, 143 insertions, 0 deletions
diff --git a/nova/tests/test_zone_aware_scheduler.py b/nova/tests/test_zone_aware_scheduler.py
index 493eb294f..2ec0f2199 100644
--- a/nova/tests/test_zone_aware_scheduler.py
+++ b/nova/tests/test_zone_aware_scheduler.py
@@ -16,6 +16,7 @@
Tests For Zone Aware Scheduler.
"""
+from nova import exception
from nova import test
from nova.scheduler import driver
from nova.scheduler import zone_aware_scheduler
@@ -59,6 +60,41 @@ def fake_empty_call_zone_method(context, method, specs):
return []
+# Hmm, I should probably be using mox for this.
+was_called = False
+
+
+def fake_provision_resource(context, item, instance_id, request_spec, kwargs):
+ global was_called
+ was_called = True
+
+
+def fake_ask_child_zone_to_create_instance(context, zone_info,
+ request_spec, kwargs):
+ global was_called
+ was_called = True
+
+
+def fake_provision_resource_locally(context, item, instance_id, kwargs):
+ global was_called
+ was_called = True
+
+
+def fake_provision_resource_from_blob(context, item, instance_id,
+ request_spec, kwargs):
+ global was_called
+ was_called = True
+
+
+def fake_decrypt_blob_returns_local_info(blob):
+ return {'foo': True} # values aren't important.
+
+
+def fake_decrypt_blob_returns_child_info(blob):
+ return {'child_zone': True,
+ 'child_blob': True} # values aren't important. Keys are.
+
+
def fake_call_zone_method(context, method, specs):
return [
('zone1', [
@@ -120,3 +156,110 @@ class ZoneAwareSchedulerTestCase(test.TestCase):
fake_context, 1,
dict(host_filter=None,
request_spec={'instance_type': {}}))
+
+ def test_schedule_do_not_schedule_with_hint(self):
+ """
+ Check the local/child zone routing in the run_instance() call.
+ If the zone_blob hint was passed in, don't re-schedule.
+ """
+ global was_called
+ sched = FakeZoneAwareScheduler()
+ was_called = False
+ self.stubs.Set(sched, '_provision_resource', fake_provision_resource)
+ request_spec = {
+ 'instance_properties': {},
+ 'instance_type': {},
+ 'filter_driver': 'nova.scheduler.host_filter.AllHostsFilter',
+ 'blob': "Non-None blob data"
+ }
+
+ result = sched.schedule_run_instance(None, 1, request_spec)
+ self.assertEquals(None, result)
+ self.assertTrue(was_called)
+
+ def test_provision_resource_local(self):
+ """Provision a resource locally or remotely."""
+ global was_called
+ sched = FakeZoneAwareScheduler()
+ was_called = False
+ self.stubs.Set(sched, '_provision_resource_locally',
+ fake_provision_resource_locally)
+
+ request_spec = {'hostname': "foo"}
+ sched._provision_resource(None, request_spec, 1, request_spec, {})
+ self.assertTrue(was_called)
+
+ def test_provision_resource_remote(self):
+ """Provision a resource locally or remotely."""
+ global was_called
+ sched = FakeZoneAwareScheduler()
+ was_called = False
+ self.stubs.Set(sched, '_provision_resource_from_blob',
+ fake_provision_resource_from_blob)
+
+ request_spec = {}
+ sched._provision_resource(None, request_spec, 1, request_spec, {})
+ self.assertTrue(was_called)
+
+ def test_provision_resource_from_blob_empty(self):
+ """Provision a resource locally or remotely given no hints."""
+ global was_called
+ sched = FakeZoneAwareScheduler()
+ request_spec = {}
+ self.assertRaises(zone_aware_scheduler.InvalidBlob,
+ sched._provision_resource_from_blob,
+ None, {}, 1, {}, {})
+
+ def test_provision_resource_from_blob_with_local_blob(self):
+ """
+ Provision a resource locally or remotely when blob hint passed in.
+ """
+ global was_called
+ sched = FakeZoneAwareScheduler()
+ was_called = False
+ self.stubs.Set(sched, '_decrypt_blob',
+ fake_decrypt_blob_returns_local_info)
+ self.stubs.Set(sched, '_provision_resource_locally',
+ fake_provision_resource_locally)
+
+ request_spec = {'blob': "Non-None blob data"}
+
+ sched._provision_resource_from_blob(None, request_spec, 1,
+ request_spec, {})
+ self.assertTrue(was_called)
+
+ def test_provision_resource_from_blob_with_child_blob(self):
+ """
+ Provision a resource locally or remotely when child blob hint
+ passed in.
+ """
+ global was_called
+ sched = FakeZoneAwareScheduler()
+ self.stubs.Set(sched, '_decrypt_blob',
+ fake_decrypt_blob_returns_child_info)
+ was_called = False
+ self.stubs.Set(sched, '_ask_child_zone_to_create_instance',
+ fake_ask_child_zone_to_create_instance)
+
+ request_spec = {'blob': "Non-None blob data"}
+
+ sched._provision_resource_from_blob(None, request_spec, 1,
+ request_spec, {})
+ self.assertTrue(was_called)
+
+ def test_provision_resource_from_blob_with_immediate_child_blob(self):
+ """
+ Provision a resource locally or remotely when blob hint passed in
+ from an immediate child.
+ """
+ global was_called
+ sched = FakeZoneAwareScheduler()
+ was_called = False
+ self.stubs.Set(sched, '_ask_child_zone_to_create_instance',
+ fake_ask_child_zone_to_create_instance)
+
+ request_spec = {'child_blob': True, 'child_zone': True}
+
+ sched._provision_resource_from_blob(None, request_spec, 1,
+ request_spec, {})
+ self.assertTrue(was_called)