Return 400 when compute host is not found
Previously user was getting a 500 error code for ComputeHostNotFound if they are using latest microversion that does live migration in async. This patches changes return response to 400 as 500 internal server error should not be returned to the user for failures due to user error that can be fixed by changing to request on client side. Change-Id: I7a9de211ecfaa7f2816fbf8bcd73ebbdd990643c closes-bug:1643623
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@ -108,7 +108,6 @@ class MigrateServerController(wsgi.Controller):
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raise exc.HTTPNotFound(explanation=e.format_message())
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except (exception.NoValidHost,
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exception.ComputeServiceUnavailable,
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exception.ComputeHostNotFound,
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exception.InvalidHypervisorType,
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exception.InvalidCPUInfo,
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exception.UnableToMigrateToSelf,
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@ -127,6 +126,8 @@ class MigrateServerController(wsgi.Controller):
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raise exc.HTTPBadRequest(explanation=ex.format_message())
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except exception.InstanceIsLocked as e:
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raise exc.HTTPConflict(explanation=e.format_message())
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except exception.ComputeHostNotFound as e:
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raise exc.HTTPBadRequest(explanation=e.format_message())
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except exception.InstanceInvalidState as state_error:
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common.raise_http_conflict_for_instance_invalid_state(state_error,
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'os-migrateLive', id)
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@ -433,8 +433,27 @@ class MigrateServerTestsV234(MigrateServerTestsV230):
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def test_migrate_live_migration_with_old_nova_not_supported(self):
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pass
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def test_migrate_live_compute_host_not_found(self):
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exc = exception.ComputeHostNotFound(
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reason="Compute host %(host)s could not be found.",
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host='hostname')
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self.mox.StubOutWithMock(self.compute_api, 'live_migrate')
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instance = self._stub_instance_get()
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self.compute_api.live_migrate(self.context, instance, None,
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self.disk_over_commit, 'hostname',
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self.force, self.async).AndRaise(exc)
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self.mox.ReplayAll()
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body = {'os-migrateLive':
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{'host': 'hostname', 'block_migration': 'auto'}}
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self.assertRaises(webob.exc.HTTPBadRequest,
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self.controller._migrate_live,
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self.req, instance.uuid, body=body)
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def test_migrate_live_unexpected_error(self):
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exc = exception.NoValidHost(reason="No valid host found")
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exc = exception.InvalidHypervisorType(
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reason="The supplied hypervisor type of is invalid.")
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self.mox.StubOutWithMock(self.compute_api, 'live_migrate')
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instance = self._stub_instance_get()
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self.compute_api.live_migrate(self.context, instance, None,
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