root / test / py / cmdlib / node_unittest.py @ 14933c17
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#!/usr/bin/python
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#
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# Copyright (C) 2013 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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"""Tests for LUNode*
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"""
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from collections import defaultdict |
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from ganeti import compat |
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from ganeti import constants |
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from ganeti import objects |
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from ganeti import opcodes |
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from ganeti import errors |
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from testsupport import * |
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import testutils |
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# pylint: disable=W0613
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def _TcpPingFailSecondary(cfg, mock_fct, target, port, timeout=None, |
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live_port_needed=None, source=None): |
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# This will return True if target is in 192.0.2.0/24 (primary range)
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# and False if not.
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return "192.0.2." in target |
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class TestLUNodeAdd(CmdlibTestCase): |
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def setUp(self): |
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super(TestLUNodeAdd, self).setUp() |
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# One node for testing readding:
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self.node_readd = self.cfg.AddNewNode() |
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self.op_readd = opcodes.OpNodeAdd(node_name=self.node_readd.name, |
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readd=True,
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primary_ip=self.node_readd.primary_ip,
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secondary_ip=self.node_readd.secondary_ip)
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# One node for testing adding:
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# don't add to configuration now!
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self.node_add = objects.Node(name="node_add", |
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primary_ip="192.0.2.200",
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secondary_ip="203.0.113.200")
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self.op_add = opcodes.OpNodeAdd(node_name=self.node_add.name, |
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primary_ip=self.node_add.primary_ip,
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secondary_ip=self.node_add.secondary_ip)
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self.netutils_mod.TcpPing.return_value = True |
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self.mocked_dns_rpc = self.rpc_mod.DnsOnlyRunner.return_value |
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self.mocked_dns_rpc.call_version.return_value = \
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self.RpcResultsBuilder(use_node_names=True) \ |
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.AddSuccessfulNode(self.node_add, constants.CONFIG_VERSION) \
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.AddSuccessfulNode(self.node_readd, constants.CONFIG_VERSION) \
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.Build() |
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node_verify_result = \ |
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.node_add, {constants.NV_NODELIST: []})
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# we can't know the node's UUID in advance, so use defaultdict here
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self.rpc.call_node_verify.return_value = \
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defaultdict(lambda: node_verify_result, {})
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def testOvsParamsButNotEnabled(self): |
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ndparams = { |
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constants.ND_OVS: False,
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constants.ND_OVS_NAME: "testswitch",
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} |
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op = self.CopyOpCode(self.op_add, |
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ndparams=ndparams) |
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self.ExecOpCodeExpectOpPrereqError(op, "OpenvSwitch is not enabled") |
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def testOvsNoLink(self): |
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ndparams = { |
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constants.ND_OVS: True,
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constants.ND_OVS_NAME: "testswitch",
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constants.ND_OVS_LINK: None,
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} |
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op = self.CopyOpCode(self.op_add, |
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ndparams=ndparams) |
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self.ExecOpCode(op)
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self.assertLogContainsRegex(
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"No physical interface for OpenvSwitch was given."
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" OpenvSwitch will not have an outside connection."
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" This might not be what you want")
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created_node = self.cfg.GetNodeInfoByName(op.node_name)
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self.assertEqual(ndparams[constants.ND_OVS],
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created_node.ndparams.get(constants.ND_OVS, None))
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self.assertEqual(ndparams[constants.ND_OVS_NAME],
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created_node.ndparams.get(constants.ND_OVS_NAME, None))
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self.assertEqual(ndparams[constants.ND_OVS_LINK],
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created_node.ndparams.get(constants.ND_OVS_LINK, None))
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def testWithoutOVS(self): |
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self.ExecOpCode(self.op_add) |
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created_node = self.cfg.GetNodeInfoByName(self.op_add.node_name) |
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self.assertEqual(None, |
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created_node.ndparams.get(constants.ND_OVS, None))
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def testWithOVS(self): |
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ndparams = { |
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constants.ND_OVS: True,
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constants.ND_OVS_LINK: "eth2",
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} |
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op = self.CopyOpCode(self.op_add, |
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ndparams=ndparams) |
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self.ExecOpCode(op)
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created_node = self.cfg.GetNodeInfoByName(op.node_name)
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self.assertEqual(ndparams[constants.ND_OVS],
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created_node.ndparams.get(constants.ND_OVS, None))
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self.assertEqual(ndparams[constants.ND_OVS_LINK],
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created_node.ndparams.get(constants.ND_OVS_LINK, None))
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def testReaddingMaster(self): |
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op = opcodes.OpNodeAdd(node_name=self.cfg.GetMasterNodeName(),
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readd=True)
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self.ExecOpCodeExpectOpPrereqError(op, "Cannot readd the master node") |
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def testReaddNotVmCapableNode(self): |
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self.cfg.AddNewInstance(primary_node=self.node_readd) |
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self.netutils_mod.GetHostname.return_value = \
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HostnameMock(self.node_readd.name, self.node_readd.primary_ip) |
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op = self.CopyOpCode(self.op_readd, vm_capable=False) |
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self.ExecOpCodeExpectOpPrereqError(op, "Node .* being re-added with" |
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" vm_capable flag set to false, but it"
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" already holds instances")
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def testReaddAndPassNodeGroup(self): |
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op = self.CopyOpCode(self.op_readd,group="groupname") |
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self.ExecOpCodeExpectOpPrereqError(op, "Cannot pass a node group when a" |
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" node is being readded")
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def testPrimaryIPv6(self): |
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self.master.secondary_ip = self.master.primary_ip |
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op = self.CopyOpCode(self.op_add, primary_ip="2001:DB8::1", |
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secondary_ip=self.REMOVE)
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self.ExecOpCode(op)
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def testInvalidSecondaryIP(self): |
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op = self.CopyOpCode(self.op_add, secondary_ip="333.444.555.777") |
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self.ExecOpCodeExpectOpPrereqError(op, "Secondary IP .* needs to be a valid" |
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" IPv4 address")
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def testNodeAlreadyInCluster(self): |
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op = self.CopyOpCode(self.op_readd, readd=False) |
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self.ExecOpCodeExpectOpPrereqError(op, "Node %s is already in the" |
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" configuration" % self.node_readd.name) |
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def testReaddNodeNotInConfiguration(self): |
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op = self.CopyOpCode(self.op_add, readd=True) |
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self.ExecOpCodeExpectOpPrereqError(op, "Node %s is not in the" |
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" configuration" % self.node_add.name) |
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def testPrimaryIpConflict(self): |
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# In LUNodeAdd, DNS will resolve the node name to an IP address, that is
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# used to overwrite any given primary_ip value!
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# Thus we need to mock this DNS resolver here!
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self.netutils_mod.GetHostname.return_value = \
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HostnameMock(self.node_add.name, self.node_readd.primary_ip) |
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op = self.CopyOpCode(self.op_add) |
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self.ExecOpCodeExpectOpPrereqError(op, "New node ip address.* conflict with" |
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" existing node")
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def testSecondaryIpConflict(self): |
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op = self.CopyOpCode(self.op_add, secondary_ip=self.node_readd.secondary_ip) |
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self.ExecOpCodeExpectOpPrereqError(op, "New node ip address.* conflict with" |
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" existing node")
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def testReaddWithDifferentIP(self): |
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op = self.CopyOpCode(self.op_readd, primary_ip="192.0.2.100", |
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secondary_ip="230.0.113.100")
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self.ExecOpCodeExpectOpPrereqError(op, "Readded node doesn't have the same" |
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" IP address configuration as before")
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def testNodeHasSecondaryIpButNotMaster(self): |
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self.master.secondary_ip = self.master.primary_ip |
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self.ExecOpCodeExpectOpPrereqError(self.op_add, "The master has no" |
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" secondary ip but the new node has one")
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def testMasterHasSecondaryIpButNotNode(self): |
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op = self.CopyOpCode(self.op_add, secondary_ip=None) |
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self.ExecOpCodeExpectOpPrereqError(op, "The master has a secondary ip but" |
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" the new node doesn't have one")
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def testNodeNotReachableByPing(self): |
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self.netutils_mod.TcpPing.return_value = False |
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op = self.CopyOpCode(self.op_add) |
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self.ExecOpCodeExpectOpPrereqError(op, "Node not reachable by ping") |
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def testNodeNotReachableByPingOnSecondary(self): |
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self.netutils_mod.GetHostname.return_value = \
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HostnameMock(self.node_add.name, self.node_add.primary_ip) |
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self.netutils_mod.TcpPing.side_effect = \
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compat.partial(_TcpPingFailSecondary, self.cfg, self.netutils_mod.TcpPing) |
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op = self.CopyOpCode(self.op_add) |
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self.ExecOpCodeExpectOpPrereqError(op, "Node secondary ip not reachable by" |
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" TCP based ping to node daemon port")
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def testCantGetVersion(self): |
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self.mocked_dns_rpc.call_version.return_value = \
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self.RpcResultsBuilder(use_node_names=True) \ |
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.AddErrorNode(self.node_add) \
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.Build() |
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op = self.CopyOpCode(self.op_add) |
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self.ExecOpCodeExpectOpExecError(op, "Can't get version information from" |
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" node %s" % self.node_add.name) |
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if __name__ == "__main__": |
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testutils.GanetiTestProgram() |