Merge "Tests for PXE bare-metal provisioning helper server."
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"""Starter script for Bare-Metal Deployment Service."""
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import eventlet
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eventlet.monkey_patch()
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# Do not monkey_patch in unittest
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if __name__ == '__main__':
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eventlet.monkey_patch()
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import os
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import sys
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256
nova/tests/baremetal/test_nova_baremetal_deploy_helper.py
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256
nova/tests/baremetal/test_nova_baremetal_deploy_helper.py
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2012 NTT DOCOMO, INC.
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# Copyright 2011 OpenStack LLC
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# Copyright 2011 Ilya Alekseyev
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import imp
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import os
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import sys
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import tempfile
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import time
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from nova import test
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from nova.tests.baremetal.db import base as bm_db_base
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TOPDIR = os.path.normpath(os.path.join(
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os.path.dirname(os.path.abspath(__file__)),
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os.pardir,
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os.pardir,
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os.pardir))
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BMDH_PATH = os.path.join(TOPDIR, 'bin', 'nova-baremetal-deploy-helper')
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sys.dont_write_bytecode = True
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bmdh = imp.load_source('bmdh', BMDH_PATH)
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sys.dont_write_bytecode = False
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_PXECONF_DEPLOY = """
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default deploy
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label deploy
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kernel deploy_kernel
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append initrd=deploy_ramdisk
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ipappend 3
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label boot
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kernel kernel
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append initrd=ramdisk root=${ROOT}
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"""
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_PXECONF_BOOT = """
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default boot
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label deploy
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kernel deploy_kernel
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append initrd=deploy_ramdisk
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ipappend 3
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label boot
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kernel kernel
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append initrd=ramdisk root=UUID=12345678-1234-1234-1234-1234567890abcdef
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"""
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class WorkerTestCase(bm_db_base.BMDBTestCase):
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def setUp(self):
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super(WorkerTestCase, self).setUp()
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self.worker = bmdh.Worker()
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# Make tearDown() fast
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self.worker.queue_timeout = 0.1
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self.worker.start()
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def tearDown(self):
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if self.worker.isAlive():
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self.worker.stop = True
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self.worker.join(timeout=1)
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super(WorkerTestCase, self).tearDown()
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def wait_queue_empty(self, timeout):
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for _ in xrange(int(timeout / 0.1)):
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if bmdh.QUEUE.empty():
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break
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time.sleep(0.1)
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def test_run_calls_deploy(self):
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"""Check all queued requests are passed to deploy()."""
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history = []
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def fake_deploy(**params):
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history.append(params)
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self.stubs.Set(bmdh, 'deploy', fake_deploy)
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params_list = [{'fake1': ''}, {'fake2': ''}, {'fake3': ''}]
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for (dep_id, params) in enumerate(params_list):
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bmdh.QUEUE.put((dep_id, params))
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self.wait_queue_empty(1)
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self.assertEqual(params_list, history)
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def test_run_with_failing_deploy(self):
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"""Check a worker keeps on running even if deploy() raises
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an exception.
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"""
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history = []
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def fake_deploy(**params):
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history.append(params)
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# always fail
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raise Exception('test')
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self.stubs.Set(bmdh, 'deploy', fake_deploy)
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params_list = [{'fake1': ''}, {'fake2': ''}, {'fake3': ''}]
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for (dep_id, params) in enumerate(params_list):
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bmdh.QUEUE.put((dep_id, params))
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self.wait_queue_empty(1)
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self.assertEqual(params_list, history)
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class PhysicalWorkTestCase(test.TestCase):
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def setUp(self):
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super(PhysicalWorkTestCase, self).setUp()
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def noop(*args, **kwargs):
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pass
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self.stubs.Set(time, 'sleep', noop)
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def test_deploy(self):
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"""Check loosely all functions are called with right args."""
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address = '127.0.0.1'
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port = 3306
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iqn = 'iqn.xyz'
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lun = 1
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image_path = '/tmp/xyz/image'
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pxe_config_path = '/tmp/abc/pxeconfig'
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root_mb = 128
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swap_mb = 64
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dev = '/dev/fake'
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root_part = '/dev/fake-part1'
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swap_part = '/dev/fake-part2'
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root_uuid = '12345678-1234-1234-12345678-12345678abcdef'
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self.mox.StubOutWithMock(bmdh, 'get_dev')
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self.mox.StubOutWithMock(bmdh, 'get_image_mb')
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self.mox.StubOutWithMock(bmdh, 'discovery')
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self.mox.StubOutWithMock(bmdh, 'login_iscsi')
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self.mox.StubOutWithMock(bmdh, 'logout_iscsi')
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self.mox.StubOutWithMock(bmdh, 'make_partitions')
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self.mox.StubOutWithMock(bmdh, 'is_block_device')
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self.mox.StubOutWithMock(bmdh, 'dd')
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self.mox.StubOutWithMock(bmdh, 'mkswap')
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self.mox.StubOutWithMock(bmdh, 'block_uuid')
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self.mox.StubOutWithMock(bmdh, 'switch_pxe_config')
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self.mox.StubOutWithMock(bmdh, 'notify')
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bmdh.get_dev(address, port, iqn, lun).AndReturn(dev)
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bmdh.get_image_mb(image_path).AndReturn(1) # < root_mb
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bmdh.discovery(address, port)
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bmdh.login_iscsi(address, port, iqn)
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bmdh.is_block_device(dev).AndReturn(True)
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bmdh.make_partitions(dev, root_mb, swap_mb)
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bmdh.is_block_device(root_part).AndReturn(True)
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bmdh.is_block_device(swap_part).AndReturn(True)
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bmdh.dd(image_path, root_part)
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bmdh.mkswap(swap_part)
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bmdh.block_uuid(root_part).AndReturn(root_uuid)
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bmdh.logout_iscsi(address, port, iqn)
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bmdh.switch_pxe_config(pxe_config_path, root_uuid)
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bmdh.notify(address, 10000)
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self.mox.ReplayAll()
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bmdh.deploy(address, port, iqn, lun, image_path, pxe_config_path,
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root_mb, swap_mb)
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def test_always_logout_iscsi(self):
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"""logout_iscsi() must be called once login_iscsi() is called."""
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address = '127.0.0.1'
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port = 3306
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iqn = 'iqn.xyz'
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lun = 1
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image_path = '/tmp/xyz/image'
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pxe_config_path = '/tmp/abc/pxeconfig'
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root_mb = 128
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swap_mb = 64
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dev = '/dev/fake'
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self.mox.StubOutWithMock(bmdh, 'get_dev')
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self.mox.StubOutWithMock(bmdh, 'get_image_mb')
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self.mox.StubOutWithMock(bmdh, 'discovery')
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self.mox.StubOutWithMock(bmdh, 'login_iscsi')
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self.mox.StubOutWithMock(bmdh, 'logout_iscsi')
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self.mox.StubOutWithMock(bmdh, 'work_on_disk')
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class TestException(Exception):
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pass
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bmdh.get_dev(address, port, iqn, lun).AndReturn(dev)
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bmdh.get_image_mb(image_path).AndReturn(1) # < root_mb
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bmdh.discovery(address, port)
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bmdh.login_iscsi(address, port, iqn)
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bmdh.work_on_disk(dev, root_mb, swap_mb, image_path).\
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AndRaise(TestException)
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bmdh.logout_iscsi(address, port, iqn)
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self.mox.ReplayAll()
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self.assertRaises(TestException,
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bmdh.deploy,
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address, port, iqn, lun, image_path,
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pxe_config_path, root_mb, swap_mb)
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class SwitchPxeConfigTestCase(test.TestCase):
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def setUp(self):
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super(SwitchPxeConfigTestCase, self).setUp()
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(fd, self.fname) = tempfile.mkstemp()
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os.write(fd, _PXECONF_DEPLOY)
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os.close(fd)
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def tearDown(self):
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os.unlink(self.fname)
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super(SwitchPxeConfigTestCase, self).tearDown()
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def test_switch_pxe_config(self):
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bmdh.switch_pxe_config(self.fname,
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'12345678-1234-1234-1234-1234567890abcdef')
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with open(self.fname, 'r') as f:
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pxeconf = f.read()
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self.assertEqual(pxeconf, _PXECONF_BOOT)
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class OtherFunctionTestCase(test.TestCase):
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def test_get_dev(self):
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expected = '/dev/disk/by-path/ip-1.2.3.4:5678-iscsi-iqn.fake-lun-9'
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actual = bmdh.get_dev('1.2.3.4', 5678, 'iqn.fake', 9)
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self.assertEqual(expected, actual)
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def test_get_image_mb(self):
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mb = 1024 * 1024
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size = None
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def fake_getsize(path):
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return size
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self.stubs.Set(os.path, 'getsize', fake_getsize)
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size = 0
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self.assertEqual(bmdh.get_image_mb('x'), 0)
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size = 1
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self.assertEqual(bmdh.get_image_mb('x'), 1)
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size = mb
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self.assertEqual(bmdh.get_image_mb('x'), 1)
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size = mb + 1
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self.assertEqual(bmdh.get_image_mb('x'), 2)
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