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#

#

# 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

import qa_config

import qa_error

import qa_utils

from qa_utils import AssertEqual, StartSSH

@qa_utils.DefineHook('node-add')

def _NodeAdd(node):

  master = qa_config.GetMasterNode()

  if node.get('_added', False):

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

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

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

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

  cmd.append(node['primary'])

  AssertEqual(StartSSH(master['primary'],

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

  node['_added'] = True

@qa_utils.DefineHook('node-remove')

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)

def TestNodeRemoveAll():

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

  master = qa_config.GetMasterNode()

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

    if node != master:

      _NodeRemove(node)

@qa_utils.DefineHook('node-info')

def TestNodeInfo():

  """gnt-node info"""

  master = qa_config.GetMasterNode()

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

  AssertEqual(StartSSH(master['primary'],

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

@qa_utils.DefineHook('node-volumes')

def TestNodeVolumes():

  """gnt-node volumes"""

  master = qa_config.GetMasterNode()

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

  AssertEqual(StartSSH(master['primary'],

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

@qa_utils.DefineHook('node-failover')

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)

@qa_utils.DefineHook('node-evacuate')

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', node2['primary'], node3['primary']]

    AssertEqual(StartSSH(master['primary'],

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

    # ... and back again.

    cmd = ['gnt-node', 'evacuate', '-f', node3['primary'], node2['primary']]

    AssertEqual(StartSSH(master['primary'],

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

  finally:

    qa_config.ReleaseNode(node3)