root / test / ganeti.cmdlib_unittest.py @ fd7b69c0
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#!/usr/bin/python
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#
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# Copyright (C) 2008, 2011 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for unittesting the cmdlib module"""
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import os |
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import unittest |
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import time |
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import tempfile |
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import shutil |
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import operator |
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from ganeti import constants |
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from ganeti import mcpu |
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from ganeti import cmdlib |
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from ganeti import opcodes |
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from ganeti import errors |
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from ganeti import utils |
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from ganeti import luxi |
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from ganeti import ht |
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from ganeti import objects |
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from ganeti import compat |
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from ganeti import rpc |
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from ganeti.hypervisor import hv_xen |
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import testutils |
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import mocks |
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class TestCertVerification(testutils.GanetiTestCase): |
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def setUp(self): |
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testutils.GanetiTestCase.setUp(self)
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def testVerifyCertificate(self): |
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cmdlib._VerifyCertificate(self._TestDataFilename("cert1.pem")) |
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nonexist_filename = os.path.join(self.tmpdir, "does-not-exist") |
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(errcode, msg) = cmdlib._VerifyCertificate(nonexist_filename) |
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self.assertEqual(errcode, cmdlib.LUClusterVerifyConfig.ETYPE_ERROR)
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# Try to load non-certificate file
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invalid_cert = self._TestDataFilename("bdev-net.txt") |
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(errcode, msg) = cmdlib._VerifyCertificate(invalid_cert) |
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self.assertEqual(errcode, cmdlib.LUClusterVerifyConfig.ETYPE_ERROR)
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class TestOpcodeParams(testutils.GanetiTestCase): |
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def testParamsStructures(self): |
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for op in sorted(mcpu.Processor.DISPATCH_TABLE): |
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lu = mcpu.Processor.DISPATCH_TABLE[op] |
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lu_name = lu.__name__ |
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self.failIf(hasattr(lu, "_OP_REQP"), |
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msg=("LU '%s' has old-style _OP_REQP" % lu_name))
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self.failIf(hasattr(lu, "_OP_DEFS"), |
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msg=("LU '%s' has old-style _OP_DEFS" % lu_name))
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self.failIf(hasattr(lu, "_OP_PARAMS"), |
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msg=("LU '%s' has old-style _OP_PARAMS" % lu_name))
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class TestIAllocatorChecks(testutils.GanetiTestCase): |
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def testFunction(self): |
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class TestLU(object): |
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def __init__(self, opcode): |
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self.cfg = mocks.FakeConfig()
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self.op = opcode
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class OpTest(opcodes.OpCode): |
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OP_PARAMS = [ |
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("iallocator", None, ht.NoType, None), |
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("node", None, ht.NoType, None), |
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] |
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default_iallocator = mocks.FakeConfig().GetDefaultIAllocator() |
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other_iallocator = default_iallocator + "_not"
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op = OpTest() |
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lu = TestLU(op) |
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c_i = lambda: cmdlib._CheckIAllocatorOrNode(lu, "iallocator", "node") |
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# Neither node nor iallocator given
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op.iallocator = None
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op.node = None
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c_i() |
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self.assertEqual(lu.op.iallocator, default_iallocator)
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self.assertEqual(lu.op.node, None) |
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# Both, iallocator and node given
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op.iallocator = "test"
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op.node = "test"
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self.assertRaises(errors.OpPrereqError, c_i)
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# Only iallocator given
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op.iallocator = other_iallocator |
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op.node = None
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c_i() |
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self.assertEqual(lu.op.iallocator, other_iallocator)
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self.assertEqual(lu.op.node, None) |
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# Only node given
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op.iallocator = None
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op.node = "node"
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c_i() |
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self.assertEqual(lu.op.iallocator, None) |
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self.assertEqual(lu.op.node, "node") |
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# No node, iallocator or default iallocator
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op.iallocator = None
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op.node = None
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lu.cfg.GetDefaultIAllocator = lambda: None |
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self.assertRaises(errors.OpPrereqError, c_i)
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class TestLUTestJqueue(unittest.TestCase): |
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def test(self): |
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self.assert_(cmdlib.LUTestJqueue._CLIENT_CONNECT_TIMEOUT <
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(luxi.WFJC_TIMEOUT * 0.75),
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msg=("Client timeout too high, might not notice bugs"
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" in WaitForJobChange"))
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class TestLUQuery(unittest.TestCase): |
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def test(self): |
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self.assertEqual(sorted(cmdlib._QUERY_IMPL.keys()), |
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sorted(constants.QR_VIA_OP))
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assert constants.QR_NODE in constants.QR_VIA_OP |
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assert constants.QR_INSTANCE in constants.QR_VIA_OP |
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for i in constants.QR_VIA_OP: |
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self.assert_(cmdlib._GetQueryImplementation(i))
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self.assertRaises(errors.OpPrereqError, cmdlib._GetQueryImplementation, "") |
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self.assertRaises(errors.OpPrereqError, cmdlib._GetQueryImplementation,
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"xyz")
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class TestLUGroupAssignNodes(unittest.TestCase): |
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def testCheckAssignmentForSplitInstances(self): |
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node_data = dict((name, objects.Node(name=name, group=group))
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for (name, group) in [("n1a", "g1"), ("n1b", "g1"), |
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("n2a", "g2"), ("n2b", "g2"), |
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("n3a", "g3"), ("n3b", "g3"), |
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("n3c", "g3"), |
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]) |
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def Instance(name, pnode, snode): |
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if snode is None: |
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disks = [] |
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disk_template = constants.DT_DISKLESS |
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else:
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disks = [objects.Disk(dev_type=constants.LD_DRBD8, |
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logical_id=[pnode, snode, 1, 17, 17])] |
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disk_template = constants.DT_DRBD8 |
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return objects.Instance(name=name, primary_node=pnode, disks=disks,
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disk_template=disk_template) |
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instance_data = dict((name, Instance(name, pnode, snode))
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for name, pnode, snode in [("inst1a", "n1a", "n1b"), |
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("inst1b", "n1b", "n1a"), |
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("inst2a", "n2a", "n2b"), |
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("inst3a", "n3a", None), |
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("inst3b", "n3b", "n1b"), |
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("inst3c", "n3b", "n2b"), |
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]) |
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# Test first with the existing state.
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(new, prev) = \ |
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cmdlib.LUGroupAssignNodes.CheckAssignmentForSplitInstances([], |
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node_data, |
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instance_data) |
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self.assertEqual([], new)
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self.assertEqual(set(["inst3b", "inst3c"]), set(prev)) |
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# And now some changes.
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(new, prev) = \ |
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cmdlib.LUGroupAssignNodes.CheckAssignmentForSplitInstances([("n1b",
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"g3")],
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node_data, |
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instance_data) |
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self.assertEqual(set(["inst1a", "inst1b"]), set(new)) |
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self.assertEqual(set(["inst3c"]), set(prev)) |
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class TestClusterVerifySsh(unittest.TestCase): |
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def testMultipleGroups(self): |
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fn = cmdlib.LUClusterVerifyGroup._SelectSshCheckNodes |
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mygroupnodes = [ |
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objects.Node(name="node20", group="my", offline=False), |
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objects.Node(name="node21", group="my", offline=False), |
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objects.Node(name="node22", group="my", offline=False), |
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objects.Node(name="node23", group="my", offline=False), |
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objects.Node(name="node24", group="my", offline=False), |
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objects.Node(name="node25", group="my", offline=False), |
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objects.Node(name="node26", group="my", offline=True), |
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] |
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nodes = [ |
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objects.Node(name="node1", group="g1", offline=True), |
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objects.Node(name="node2", group="g1", offline=False), |
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objects.Node(name="node3", group="g1", offline=False), |
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objects.Node(name="node4", group="g1", offline=True), |
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objects.Node(name="node5", group="g1", offline=False), |
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objects.Node(name="node10", group="xyz", offline=False), |
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objects.Node(name="node11", group="xyz", offline=False), |
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objects.Node(name="node40", group="alloff", offline=True), |
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objects.Node(name="node41", group="alloff", offline=True), |
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objects.Node(name="node50", group="aaa", offline=False), |
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] + mygroupnodes |
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assert not utils.FindDuplicates(map(operator.attrgetter("name"), nodes)) |
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(online, perhost) = fn(mygroupnodes, "my", nodes)
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self.assertEqual(online, ["node%s" % i for i in range(20, 26)]) |
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self.assertEqual(set(perhost.keys()), set(online)) |
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self.assertEqual(perhost, {
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"node20": ["node10", "node2", "node50"], |
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"node21": ["node11", "node3", "node50"], |
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"node22": ["node10", "node5", "node50"], |
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"node23": ["node11", "node2", "node50"], |
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"node24": ["node10", "node3", "node50"], |
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"node25": ["node11", "node5", "node50"], |
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}) |
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def testSingleGroup(self): |
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fn = cmdlib.LUClusterVerifyGroup._SelectSshCheckNodes |
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nodes = [ |
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objects.Node(name="node1", group="default", offline=True), |
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objects.Node(name="node2", group="default", offline=False), |
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objects.Node(name="node3", group="default", offline=False), |
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objects.Node(name="node4", group="default", offline=True), |
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] |
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assert not utils.FindDuplicates(map(operator.attrgetter("name"), nodes)) |
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(online, perhost) = fn(nodes, "default", nodes)
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self.assertEqual(online, ["node2", "node3"]) |
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self.assertEqual(set(perhost.keys()), set(online)) |
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self.assertEqual(perhost, {
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"node2": [],
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"node3": [],
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}) |
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class TestClusterVerifyFiles(unittest.TestCase): |
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@staticmethod
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def _FakeErrorIf(errors, cond, ecode, item, msg, *args, **kwargs): |
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assert ((ecode == cmdlib.LUClusterVerifyGroup.ENODEFILECHECK and |
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ht.TNonEmptyString(item)) or
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(ecode == cmdlib.LUClusterVerifyGroup.ECLUSTERFILECHECK and
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item is None)) |
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if args:
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msg = msg % args |
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if cond:
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errors.append((item, msg)) |
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_VerifyFiles = cmdlib.LUClusterVerifyGroup._VerifyFiles |
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def test(self): |
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errors = [] |
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master_name = "master.example.com"
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nodeinfo = [ |
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objects.Node(name=master_name, offline=False, vm_capable=True), |
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objects.Node(name="node2.example.com", offline=False, vm_capable=True), |
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objects.Node(name="node3.example.com", master_candidate=True, |
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vm_capable=False),
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objects.Node(name="node4.example.com", offline=False, vm_capable=True), |
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objects.Node(name="nodata.example.com", offline=False, vm_capable=True), |
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objects.Node(name="offline.example.com", offline=True), |
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] |
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cluster = objects.Cluster(modify_etc_hosts=True,
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enabled_hypervisors=[constants.HT_XEN_HVM]) |
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files_all = set([
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constants.CLUSTER_DOMAIN_SECRET_FILE, |
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constants.RAPI_CERT_FILE, |
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constants.RAPI_USERS_FILE, |
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]) |
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files_opt = set([
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constants.RAPI_USERS_FILE, |
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hv_xen.XL_CONFIG_FILE, |
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constants.VNC_PASSWORD_FILE, |
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]) |
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files_mc = set([
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constants.CLUSTER_CONF_FILE, |
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]) |
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files_vm = set([
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hv_xen.XEND_CONFIG_FILE, |
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hv_xen.XL_CONFIG_FILE, |
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constants.VNC_PASSWORD_FILE, |
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]) |
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nvinfo = { |
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master_name: rpc.RpcResult(data=(True, {
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constants.NV_FILELIST: { |
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constants.CLUSTER_CONF_FILE: "82314f897f38b35f9dab2f7c6b1593e0",
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constants.RAPI_CERT_FILE: "babbce8f387bc082228e544a2146fee4",
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constants.CLUSTER_DOMAIN_SECRET_FILE: "cds-47b5b3f19202936bb4",
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hv_xen.XEND_CONFIG_FILE: "b4a8a824ab3cac3d88839a9adeadf310",
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hv_xen.XL_CONFIG_FILE: "77935cee92afd26d162f9e525e3d49b9"
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}})), |
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"node2.example.com": rpc.RpcResult(data=(True, { |
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constants.NV_FILELIST: { |
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constants.RAPI_CERT_FILE: "97f0356500e866387f4b84233848cc4a",
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hv_xen.XEND_CONFIG_FILE: "b4a8a824ab3cac3d88839a9adeadf310",
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} |
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})), |
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"node3.example.com": rpc.RpcResult(data=(True, { |
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constants.NV_FILELIST: { |
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constants.RAPI_CERT_FILE: "97f0356500e866387f4b84233848cc4a",
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constants.CLUSTER_DOMAIN_SECRET_FILE: "cds-47b5b3f19202936bb4",
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} |
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})), |
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"node4.example.com": rpc.RpcResult(data=(True, { |
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constants.NV_FILELIST: { |
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constants.RAPI_CERT_FILE: "97f0356500e866387f4b84233848cc4a",
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constants.CLUSTER_CONF_FILE: "conf-a6d4b13e407867f7a7b4f0f232a8f527",
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constants.CLUSTER_DOMAIN_SECRET_FILE: "cds-47b5b3f19202936bb4",
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constants.RAPI_USERS_FILE: "rapiusers-ea3271e8d810ef3",
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hv_xen.XL_CONFIG_FILE: "77935cee92afd26d162f9e525e3d49b9"
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} |
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})), |
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"nodata.example.com": rpc.RpcResult(data=(True, {})), |
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"offline.example.com": rpc.RpcResult(offline=True), |
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} |
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assert set(nvinfo.keys()) == set(map(operator.attrgetter("name"), nodeinfo)) |
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self._VerifyFiles(compat.partial(self._FakeErrorIf, errors), nodeinfo, |
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master_name, nvinfo, |
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(files_all, files_opt, files_mc, files_vm)) |
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self.assertEqual(sorted(errors), sorted([ |
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(None, ("File %s found with 2 different checksums (variant 1 on" |
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" node2.example.com, node3.example.com, node4.example.com;"
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" variant 2 on master.example.com)" % constants.RAPI_CERT_FILE)),
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(None, ("File %s is missing from node(s) node2.example.com" % |
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constants.CLUSTER_DOMAIN_SECRET_FILE)), |
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(None, ("File %s should not exist on node(s) node4.example.com" % |
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constants.CLUSTER_CONF_FILE)), |
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(None, ("File %s is missing from node(s) node4.example.com" % |
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hv_xen.XEND_CONFIG_FILE)), |
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(None, ("File %s is missing from node(s) node3.example.com" % |
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constants.CLUSTER_CONF_FILE)), |
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(None, ("File %s found with 2 different checksums (variant 1 on" |
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" master.example.com; variant 2 on node4.example.com)" %
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constants.CLUSTER_CONF_FILE)), |
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(None, ("File %s is optional, but it must exist on all or no nodes (not" |
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" found on master.example.com, node2.example.com,"
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" node3.example.com)" % constants.RAPI_USERS_FILE)),
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(None, ("File %s is optional, but it must exist on all or no nodes (not" |
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" found on node2.example.com)" % hv_xen.XL_CONFIG_FILE)),
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("nodata.example.com", "Node did not return file checksum data"), |
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])) |
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if __name__ == "__main__": |
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testutils.GanetiTestProgram() |