Synnefo » snf-ganeti

#

#

# Copyright (C) 2007 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.

from ganeti import utils

from ganeti import constants

import qa_config

import qa_error

import qa_utils

from qa_utils import AssertEqual, AssertNotEqual, StartSSH

def _NodeAdd(node, readd=False):

  master = qa_config.GetMasterNode()

  if not readd and node.get('_added', False):

    raise qa_error.Error("Node %s already in cluster" % node['primary'])

  elif readd and not node.get('_added', False):

    raise qa_error.Error("Node %s not yet in cluster" % node['primary'])

  cmd = ['gnt-node', 'add', "--no-ssh-key-check"]

  if node.get('secondary', None):

    cmd.append('--secondary-ip=%s' % node['secondary'])

  if readd:

    cmd.append('--readd')

  cmd.append(node['primary'])

  AssertEqual(StartSSH(master['primary'],

                       utils.ShellQuoteArgs(cmd)).wait(), 0)

  node['_added'] = True

def _NodeRemove(node):

  master = qa_config.GetMasterNode()

  cmd = ['gnt-node', 'remove', node['primary']]

  AssertEqual(StartSSH(master['primary'],

                       utils.ShellQuoteArgs(cmd)).wait(), 0)

  node['_added'] = False

def TestNodeAddAll():

  """Adding all nodes to cluster."""

  master = qa_config.GetMasterNode()

  for node in qa_config.get('nodes'):

    if node != master:

      _NodeAdd(node, readd=False)

def MarkNodeAddedAll():

  """Mark all nodes as added.

  This is useful if we don't create the cluster ourselves (in qa).

  """

  master = qa_config.GetMasterNode()

  for node in qa_config.get('nodes'):

    if node != master:

      node['_added'] = True

def TestNodeRemoveAll():

  """Removing all nodes from cluster."""

  master = qa_config.GetMasterNode()

  for node in qa_config.get('nodes'):

    if node != master:

      _NodeRemove(node)

def TestNodeReadd(node):

  """gnt-node add --readd"""

  _NodeAdd(node, readd=True)

def TestNodeInfo():

  """gnt-node info"""

  master = qa_config.GetMasterNode()

  cmd = ['gnt-node', 'info']

  AssertEqual(StartSSH(master['primary'],

                       utils.ShellQuoteArgs(cmd)).wait(), 0)

def TestNodeVolumes():

  """gnt-node volumes"""

  master = qa_config.GetMasterNode()

  cmd = ['gnt-node', 'volumes']

  AssertEqual(StartSSH(master['primary'],

                       utils.ShellQuoteArgs(cmd)).wait(), 0)

def TestNodeStorage():

  """gnt-node storage"""

  master = qa_config.GetMasterNode()

  for storage_type in constants.VALID_STORAGE_TYPES:

    # Test simple list

    cmd = ["gnt-node", "list-storage", "--storage-type", storage_type]

    AssertEqual(StartSSH(master["primary"],

                         utils.ShellQuoteArgs(cmd)).wait(), 0)

    # Test all storage fields

    cmd = ["gnt-node", "list-storage", "--storage-type", storage_type,

           "--output=%s" % ",".join(list(constants.VALID_STORAGE_FIELDS) +

                                    [constants.SF_NODE, constants.SF_TYPE])]

    AssertEqual(StartSSH(master["primary"],

                         utils.ShellQuoteArgs(cmd)).wait(), 0)

    # Get list of valid storage devices

    cmd = ["gnt-node", "list-storage", "--storage-type", storage_type,

           "--output=node,name,allocatable", "--separator=|",

           "--no-headers"]

    output = qa_utils.GetCommandOutput(master["primary"],

                                       utils.ShellQuoteArgs(cmd))

    # Test with up to two devices

    testdevcount = 2

    for line in output.splitlines()[:testdevcount]:

      (node_name, st_name, st_allocatable) = line.split("|")

      # Dummy modification without any changes

      cmd = ["gnt-node", "modify-storage", node_name, storage_type, st_name]

      AssertEqual(StartSSH(master["primary"],

                           utils.ShellQuoteArgs(cmd)).wait(), 0)

      # Make sure we end up with the same value as before

      if st_allocatable.lower() == "y":

        test_allocatable = ["no", "yes"]

      else:

        test_allocatable = ["yes", "no"]

      if (constants.SF_ALLOCATABLE in

          constants.MODIFIABLE_STORAGE_FIELDS.get(storage_type, [])):

        assert_fn = AssertEqual

      else:

        assert_fn = AssertNotEqual

      for i in test_allocatable:

        cmd = ["gnt-node", "modify-storage", "--allocatable", i,

               node_name, storage_type, st_name]

        assert_fn(StartSSH(master["primary"],

                  utils.ShellQuoteArgs(cmd)).wait(), 0)

      # Test repair functionality

      cmd = ["gnt-node", "repair-storage", node_name, storage_type, st_name]

      if (constants.SO_FIX_CONSISTENCY in

          constants.VALID_STORAGE_OPERATIONS.get(storage_type, [])):

        assert_fn = AssertEqual

      else:

        assert_fn = AssertNotEqual

      assert_fn(StartSSH(master["primary"],

                         utils.ShellQuoteArgs(cmd)).wait(), 0)

def TestNodeFailover(node, node2):

  """gnt-node failover"""

  master = qa_config.GetMasterNode()

  if qa_utils.GetNodeInstances(node2, secondaries=False):

    raise qa_error.UnusableNodeError("Secondary node has at least one"

                                     " primary instance. This test requires"

                                     " it to have no primary instances.")

  # Fail over to secondary node

  cmd = ['gnt-node', 'failover', '-f', node['primary']]

  AssertEqual(StartSSH(master['primary'],

                       utils.ShellQuoteArgs(cmd)).wait(), 0)

  # ... and back again.

  cmd = ['gnt-node', 'failover', '-f', node2['primary']]

  AssertEqual(StartSSH(master['primary'],

                       utils.ShellQuoteArgs(cmd)).wait(), 0)

def TestNodeEvacuate(node, node2):

  """gnt-node evacuate"""

  master = qa_config.GetMasterNode()

  node3 = qa_config.AcquireNode(exclude=[node, node2])

  try:

    if qa_utils.GetNodeInstances(node3, secondaries=True):

      raise qa_error.UnusableNodeError("Evacuation node has at least one"

                                       " secondary instance. This test requires"

                                       " it to have no secondary instances.")

    # Evacuate all secondary instances

    cmd = ['gnt-node', 'evacuate', '-f',

           "--new-secondary=%s" % node3['primary'], node2['primary']]

    AssertEqual(StartSSH(master['primary'],

                         utils.ShellQuoteArgs(cmd)).wait(), 0)

    # ... and back again.

    cmd = ['gnt-node', 'evacuate', '-f',

           "--new-secondary=%s" % node2['primary'], node3['primary']]

    AssertEqual(StartSSH(master['primary'],

                         utils.ShellQuoteArgs(cmd)).wait(), 0)

  finally:

    qa_config.ReleaseNode(node3)

def TestNodeModify(node):

  """gnt-node modify"""

  master = qa_config.GetMasterNode()

  for flag in ["master-candidate", "drained", "offline"]:

    for value in ["yes", "no"]:

      cmd = ["gnt-node", "modify", "--force",

             "--%s=%s" % (flag, value), node["primary"]]

      AssertEqual(StartSSH(master["primary"],

                           utils.ShellQuoteArgs(cmd)).wait(), 0)

  cmd = ["gnt-node", "modify", "--master-candidate=yes", "--auto-promote",

         node["primary"]]

  AssertEqual(StartSSH(master["primary"],

                       utils.ShellQuoteArgs(cmd)).wait(), 0)