code.grnet.gr Git - ganeti-local/blob - qa/qa_node.py

   1 #
   2 #
   3
   4 # Copyright (C) 2007 Google Inc.
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 # 02110-1301, USA.
  20
  21
  22 from ganeti import utils
  23 from ganeti import constants
  24
  25 import qa_config
  26 import qa_error
  27 import qa_utils
  28
  29 from qa_utils import AssertEqual, AssertNotEqual, StartSSH
  30
  31
  32 def _NodeAdd(node, readd=False):
  33   master = qa_config.GetMasterNode()
  34
  35   if not readd and node.get('_added', False):
  36     raise qa_error.Error("Node %s already in cluster" % node['primary'])
  37   elif readd and not node.get('_added', False):
  38     raise qa_error.Error("Node %s not yet in cluster" % node['primary'])
  39
  40   cmd = ['gnt-node', 'add', "--no-ssh-key-check"]
  41   if node.get('secondary', None):
  42     cmd.append('--secondary-ip=%s' % node['secondary'])
  43   if readd:
  44     cmd.append('--readd')
  45   cmd.append(node['primary'])
  46   AssertEqual(StartSSH(master['primary'],
  47                        utils.ShellQuoteArgs(cmd)).wait(), 0)
  48
  49   node['_added'] = True
  50
  51
  52 def _NodeRemove(node):
  53   master = qa_config.GetMasterNode()
  54
  55   cmd = ['gnt-node', 'remove', node['primary']]
  56   AssertEqual(StartSSH(master['primary'],
  57                        utils.ShellQuoteArgs(cmd)).wait(), 0)
  58   node['_added'] = False
  59
  60
  61 def TestNodeAddAll():
  62   """Adding all nodes to cluster."""
  63   master = qa_config.GetMasterNode()
  64   for node in qa_config.get('nodes'):
  65     if node != master:
  66       _NodeAdd(node, readd=False)
  67
  68
  69 def TestNodeRemoveAll():
  70   """Removing all nodes from cluster."""
  71   master = qa_config.GetMasterNode()
  72   for node in qa_config.get('nodes'):
  73     if node != master:
  74       _NodeRemove(node)
  75
  76
  77 def TestNodeReadd(node):
  78   """gnt-node add --readd"""
  79   _NodeAdd(node, readd=True)
  80
  81
  82 def TestNodeInfo():
  83   """gnt-node info"""
  84   master = qa_config.GetMasterNode()
  85
  86   cmd = ['gnt-node', 'info']
  87   AssertEqual(StartSSH(master['primary'],
  88                        utils.ShellQuoteArgs(cmd)).wait(), 0)
  89
  90
  91 def TestNodeVolumes():
  92   """gnt-node volumes"""
  93   master = qa_config.GetMasterNode()
  94
  95   cmd = ['gnt-node', 'volumes']
  96   AssertEqual(StartSSH(master['primary'],
  97                        utils.ShellQuoteArgs(cmd)).wait(), 0)
  98
  99
 100 def TestNodeStorage():
 101   """gnt-node storage"""
 102   master = qa_config.GetMasterNode()
 103
 104   for storage_type in constants.VALID_STORAGE_TYPES:
 105     # Test simple list
 106     cmd = ["gnt-node", "list-storage", "--storage-type", storage_type]
 107     AssertEqual(StartSSH(master["primary"],
 108                          utils.ShellQuoteArgs(cmd)).wait(), 0)
 109
 110     # Test all storage fields
 111     cmd = ["gnt-node", "list-storage", "--storage-type", storage_type,
 112            "--output=%s" % ",".join(list(constants.VALID_STORAGE_FIELDS) +
 113                                     [constants.SF_NODE, constants.SF_TYPE])]
 114     AssertEqual(StartSSH(master["primary"],
 115                          utils.ShellQuoteArgs(cmd)).wait(), 0)
 116
 117     # Get list of valid storage devices
 118     cmd = ["gnt-node", "list-storage", "--storage-type", storage_type,
 119            "--output=node,name,allocatable", "--separator=|",
 120            "--no-headers"]
 121     output = qa_utils.GetCommandOutput(master["primary"],
 122                                        utils.ShellQuoteArgs(cmd))
 123
 124     # Test with up to two devices
 125     testdevcount = 2
 126
 127     for line in output.splitlines()[:testdevcount]:
 128       (node_name, st_name, st_allocatable) = line.split("|")
 129
 130       # Dummy modification without any changes
 131       cmd = ["gnt-node", "modify-storage", node_name, storage_type, st_name]
 132       AssertEqual(StartSSH(master["primary"],
 133                            utils.ShellQuoteArgs(cmd)).wait(), 0)
 134
 135       # Make sure we end up with the same value as before
 136       if st_allocatable.lower() == "y":
 137         test_allocatable = ["no", "yes"]
 138       else:
 139         test_allocatable = ["yes", "no"]
 140
 141       if (constants.SF_ALLOCATABLE in
 142           constants.MODIFIABLE_STORAGE_FIELDS.get(storage_type, [])):
 143         assert_fn = AssertEqual
 144       else:
 145         assert_fn = AssertNotEqual
 146
 147       for i in test_allocatable:
 148         cmd = ["gnt-node", "modify-storage", "--allocatable", i,
 149                node_name, storage_type, st_name]
 150         assert_fn(StartSSH(master["primary"],
 151                   utils.ShellQuoteArgs(cmd)).wait(), 0)
 152
 153       # Test repair functionality
 154       cmd = ["gnt-node", "repair-storage", node_name, storage_type, st_name]
 155
 156       if (constants.SO_FIX_CONSISTENCY in
 157           constants.VALID_STORAGE_OPERATIONS.get(storage_type, [])):
 158         assert_fn = AssertEqual
 159       else:
 160         assert_fn = AssertNotEqual
 161
 162       assert_fn(StartSSH(master["primary"],
 163                          utils.ShellQuoteArgs(cmd)).wait(), 0)
 164
 165
 166 def TestNodeFailover(node, node2):
 167   """gnt-node failover"""
 168   master = qa_config.GetMasterNode()
 169
 170   if qa_utils.GetNodeInstances(node2, secondaries=False):
 171     raise qa_error.UnusableNodeError("Secondary node has at least one"
 172                                      " primary instance. This test requires"
 173                                      " it to have no primary instances.")
 174
 175   # Fail over to secondary node
 176   cmd = ['gnt-node', 'failover', '-f', node['primary']]
 177   AssertEqual(StartSSH(master['primary'],
 178                        utils.ShellQuoteArgs(cmd)).wait(), 0)
 179
 180   # ... and back again.
 181   cmd = ['gnt-node', 'failover', '-f', node2['primary']]
 182   AssertEqual(StartSSH(master['primary'],
 183                        utils.ShellQuoteArgs(cmd)).wait(), 0)
 184
 185
 186 def TestNodeEvacuate(node, node2):
 187   """gnt-node evacuate"""
 188   master = qa_config.GetMasterNode()
 189
 190   node3 = qa_config.AcquireNode(exclude=[node, node2])
 191   try:
 192     if qa_utils.GetNodeInstances(node3, secondaries=True):
 193       raise qa_error.UnusableNodeError("Evacuation node has at least one"
 194                                        " secondary instance. This test requires"
 195                                        " it to have no secondary instances.")
 196
 197     # Evacuate all secondary instances
 198     cmd = ['gnt-node', 'evacuate', '-f',
 199            "--new-secondary=%s" % node3['primary'], node2['primary']]
 200     AssertEqual(StartSSH(master['primary'],
 201                          utils.ShellQuoteArgs(cmd)).wait(), 0)
 202
 203     # ... and back again.
 204     cmd = ['gnt-node', 'evacuate', '-f',
 205            "--new-secondary=%s" % node2['primary'], node3['primary']]
 206     AssertEqual(StartSSH(master['primary'],
 207                          utils.ShellQuoteArgs(cmd)).wait(), 0)
 208   finally:
 209     qa_config.ReleaseNode(node3)