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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 LUInstanceFailover and LUInstanceMigrate
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"""
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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 testsupport import *
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import testutils
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class TestLUInstanceMigrate(CmdlibTestCase):
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def setUp(self):
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super(TestLUInstanceMigrate, self).setUp()
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self.snode = self.cfg.AddNewNode()
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hv_info = ("bootid",
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[{
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"type": constants.ST_LVM_VG,
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"storage_free": 10000
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}],
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({"memory_free": 10000}, ))
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self.rpc.call_node_info.return_value = \
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self.RpcResultsBuilder() \
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.AddSuccessfulNode(self.master, hv_info) \
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.AddSuccessfulNode(self.snode, hv_info) \
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.Build()
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self.rpc.call_blockdev_find.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.master, objects.BlockDevStatus())
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self.rpc.call_migration_info.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.master, True)
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self.rpc.call_accept_instance.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.snode, True)
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self.rpc.call_instance_migrate.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.master, True)
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self.rpc.call_instance_get_migration_status.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.master, objects.MigrationStatus())
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self.rpc.call_instance_finalize_migration_dst.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.snode, True)
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self.rpc.call_instance_finalize_migration_src.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.master, True)
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self.inst = self.cfg.AddNewInstance(disk_template=constants.DT_DRBD8,
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admin_state=constants.ADMINST_UP,
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secondary_node=self.snode)
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self.op = opcodes.OpInstanceMigrate(instance_name=self.inst.name)
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def testPlainDisk(self):
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inst = self.cfg.AddNewInstance(disk_template=constants.DT_PLAIN)
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op = self.CopyOpCode(self.op,
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instance_name=inst.name)
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self.ExecOpCodeExpectOpPrereqError(
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op, "Instance's disk layout 'plain' does not allow migrations")
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def testMigrationToWrongNode(self):
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node = self.cfg.AddNewNode()
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op = self.CopyOpCode(self.op,
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target_node=node.name)
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self.ExecOpCodeExpectOpPrereqError(
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op, "Instances with disk template drbd cannot be migrated to"
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" arbitrary nodes")
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def testMigration(self):
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op = self.CopyOpCode(self.op)
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self.ExecOpCode(op)
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class TestLUInstanceFailover(CmdlibTestCase):
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def setUp(self):
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super(TestLUInstanceFailover, self).setUp()
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self.snode = self.cfg.AddNewNode()
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hv_info = ("bootid",
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[{
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"type": constants.ST_LVM_VG,
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"storage_free": 10000
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}],
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({"memory_free": 10000}, ))
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self.rpc.call_node_info.return_value = \
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self.RpcResultsBuilder() \
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.AddSuccessfulNode(self.master, hv_info) \
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.AddSuccessfulNode(self.snode, hv_info) \
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.Build()
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self.rpc.call_blockdev_find.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.master, objects.BlockDevStatus())
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self.rpc.call_instance_shutdown.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.master, True)
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self.rpc.call_blockdev_shutdown.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.master, True)
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self.rpc.call_blockdev_assemble.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.snode, True)
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self.rpc.call_instance_start.return_value = \
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self.RpcResultsBuilder() \
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.CreateSuccessfulNodeResult(self.snode, True)
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self.inst = self.cfg.AddNewInstance(disk_template=constants.DT_DRBD8,
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admin_state=constants.ADMINST_UP,
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secondary_node=self.snode)
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self.op = opcodes.OpInstanceFailover(instance_name=self.inst.name)
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def testPlainDisk(self):
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inst = self.cfg.AddNewInstance(disk_template=constants.DT_PLAIN)
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op = self.CopyOpCode(self.op,
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instance_name=inst.name)
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self.ExecOpCodeExpectOpPrereqError(
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op, "Instance's disk layout 'plain' does not allow failovers")
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def testMigrationToWrongNode(self):
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node = self.cfg.AddNewNode()
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op = self.CopyOpCode(self.op,
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target_node=node.name)
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self.ExecOpCodeExpectOpPrereqError(
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op, "Instances with disk template drbd cannot be failed over to"
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" arbitrary nodes")
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def testMigration(self):
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op = self.CopyOpCode(self.op)
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self.ExecOpCode(op)
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if __name__ == "__main__":
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testutils.GanetiTestProgram()
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