Synnefo » snf-ganeti

#!/usr/bin/python

#

# Copyright (C) 2013 Google Inc.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

# 02110-1301, USA.

"""Tests for LUBackup*"""

from ganeti import constants

from ganeti import objects

from ganeti import opcodes

from ganeti import query

from testsupport import *

import testutils

class TestLUBackupQuery(CmdlibTestCase):

  def setUp(self):

    super(TestLUBackupQuery, self).setUp()

    self.fields = query._BuildExportFields().keys()

  def testFailingExportList(self):

    self.rpc.call_export_list.return_value = \

      self.RpcResultsBuilder() \

        .AddFailedNode(self.master) \

        .Build()

    op = opcodes.OpBackupQuery(nodes=[self.master.name])

    ret = self.ExecOpCode(op)

    self.assertEqual({self.master.name: False}, ret)

  def testQueryOneNode(self):

    self.rpc.call_export_list.return_value = \

      self.RpcResultsBuilder() \

        .AddSuccessfulNode(self.master,

                           ["mock_export1", "mock_export2"]) \

        .Build()

    op = opcodes.OpBackupQuery(nodes=[self.master.name])

    ret = self.ExecOpCode(op)

    self.assertEqual({self.master.name: ["mock_export1", "mock_export2"]}, ret)

  def testQueryAllNodes(self):

    node = self.cfg.AddNewNode()

    self.rpc.call_export_list.return_value = \

      self.RpcResultsBuilder() \

        .AddSuccessfulNode(self.master, ["mock_export1"]) \

        .AddSuccessfulNode(node, ["mock_export2"]) \

        .Build()

    op = opcodes.OpBackupQuery()

    ret = self.ExecOpCode(op)

    self.assertEqual({

                       self.master.name: ["mock_export1"],

                       node.name: ["mock_export2"]

                     }, ret)

class TestLUBackupPrepare(CmdlibTestCase):

  @patchUtils("instance_utils")

  def testPrepareLocalExport(self, utils):

    utils.ReadOneLineFile.return_value = "cluster_secret"

    inst = self.cfg.AddNewInstance()

    op = opcodes.OpBackupPrepare(instance_name=inst.name,

                                 mode=constants.EXPORT_MODE_LOCAL)

    self.ExecOpCode(op)

  @patchUtils("instance_utils")

  def testPrepareRemoteExport(self, utils):

    utils.ReadOneLineFile.return_value = "cluster_secret"

    inst = self.cfg.AddNewInstance()

    self.rpc.call_x509_cert_create.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(inst.primary_node,

                                    ("key_name",

                                     testutils.ReadTestData("cert1.pem")))

    op = opcodes.OpBackupPrepare(instance_name=inst.name,

                                 mode=constants.EXPORT_MODE_REMOTE)

    self.ExecOpCode(op)

class TestLUBackupExportBase(CmdlibTestCase):

  def setUp(self):

    super(TestLUBackupExportBase, self).setUp()

    self.rpc.call_instance_start.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(self.master, True)

    self.rpc.call_blockdev_assemble.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(self.master, None)

    self.rpc.call_blockdev_shutdown.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(self.master, None)

    self.rpc.call_blockdev_snapshot.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(self.master, ("mock_vg", "mock_id"))

    self.rpc.call_blockdev_remove.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(self.master, None)

    self.rpc.call_export_start.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(self.master, "export_daemon")

    def ImpExpStatus(node_uuid, name):

      return self.RpcResultsBuilder() \

               .CreateSuccessfulNodeResult(node_uuid,

                                           [objects.ImportExportStatus(

                                             exit_status=0

                                           )])

    self.rpc.call_impexp_status.side_effect = ImpExpStatus

    def ImpExpCleanup(node_uuid, name):

      return self.RpcResultsBuilder() \

               .CreateSuccessfulNodeResult(node_uuid)

    self.rpc.call_impexp_cleanup.side_effect = ImpExpCleanup

    self.rpc.call_finalize_export.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(self.master, None)

  def testRemoveRunningInstanceWithoutShutdown(self):

    inst = self.cfg.AddNewInstance(admin_state=constants.ADMINST_UP)

    op = opcodes.OpBackupExport(instance_name=inst.name,

                                target_node=self.master.name,

                                shutdown=False,

                                remove_instance=True)

    self.ExecOpCodeExpectOpPrereqError(

      op, "Can not remove instance without shutting it down before")

  def testUnsupportedDiskTemplate(self):

    inst = self.cfg.AddNewInstance(disk_template=constants.DT_FILE)

    op = opcodes.OpBackupExport(instance_name=inst.name,

                                target_node=self.master.name)

    self.ExecOpCodeExpectOpPrereqError(

      op, "Export not supported for instances with file-based disks")

class TestLUBackupExportLocalExport(TestLUBackupExportBase):

  def setUp(self):

    super(TestLUBackupExportLocalExport, self).setUp()

    self.inst = self.cfg.AddNewInstance()

    self.target_node = self.cfg.AddNewNode()

    self.op = opcodes.OpBackupExport(mode=constants.EXPORT_MODE_LOCAL,

                                     instance_name=self.inst.name,

                                     target_node=self.target_node.name)

    self.rpc.call_import_start.return_value = \

      self.RpcResultsBuilder() \

        .CreateSuccessfulNodeResult(self.target_node, "import_daemon")

  def testExportWithShutdown(self):

    inst = self.cfg.AddNewInstance(admin_state=constants.ADMINST_UP)

    op = self.CopyOpCode(self.op, instance_name=inst.name, shutdown=True)

    self.ExecOpCode(op)

  def testExportDeactivatedDisks(self):

    self.ExecOpCode(self.op)

  def testExportRemoveInstance(self):

    op = self.CopyOpCode(self.op, remove_instance=True)

    self.ExecOpCode(op)

class TestLUBackupExportRemoteExport(TestLUBackupExportBase):

  def setUp(self):

    super(TestLUBackupExportRemoteExport, self).setUp()

    self.inst = self.cfg.AddNewInstance()

    self.op = opcodes.OpBackupExport(mode=constants.EXPORT_MODE_REMOTE,

                                     instance_name=self.inst.name,

                                     target_node=[],

                                     x509_key_name=["mock_key_name"],

                                     destination_x509_ca="mock_dest_ca")

  def testRemoteExportWithoutX509KeyName(self):

    op = self.CopyOpCode(self.op, x509_key_name=self.REMOVE)

    self.ExecOpCodeExpectOpPrereqError(op,

                                       "Missing X509 key name for encryption")

  def testRemoteExportWithoutX509DestCa(self):

    op = self.CopyOpCode(self.op, destination_x509_ca=self.REMOVE)

    self.ExecOpCodeExpectOpPrereqError(op,

                                       "Missing destination X509 CA")

if __name__ == "__main__":

  testutils.GanetiTestProgram()