Synnefo » snf-ganeti » ganeti-local

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# Copyright (C) 2007, 2010 Google Inc.

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"""Cluster related QA tests.

"""

import tempfile

from ganeti import constants

from ganeti import utils

import qa_config

import qa_utils

import qa_error

from qa_utils import AssertEqual, AssertNotEqual, StartSSH

def _RemoveFileFromAllNodes(filename):

  """Removes a file from all nodes.

  """

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

    cmd = ['rm', '-f', filename]

    AssertEqual(StartSSH(node['primary'],

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

def _CheckFileOnAllNodes(filename, content):

  """Verifies the content of the given file on all nodes.

  """

  cmd = utils.ShellQuoteArgs(["cat", filename])

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

    AssertEqual(qa_utils.GetCommandOutput(node['primary'], cmd),

                content)

def TestClusterInit(rapi_user, rapi_secret):

  """gnt-cluster init"""

  master = qa_config.GetMasterNode()

  # First create the RAPI credentials

  fh = tempfile.NamedTemporaryFile()

  try:

    fh.write("%s %s write\n" % (rapi_user, rapi_secret))

    fh.flush()

    tmpru = qa_utils.UploadFile(master["primary"], fh.name)

    try:

      cmd = ["mv", tmpru, constants.RAPI_USERS_FILE]

      AssertEqual(StartSSH(master["primary"],

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

    finally:

      cmd = ["rm", "-f", tmpru]

      AssertEqual(StartSSH(master["primary"],

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

  finally:

    fh.close()

  # Initialize cluster

  cmd = ['gnt-cluster', 'init']

  cmd.append("--primary-ip-version=%d" %

             qa_config.get("primary_ip_version", 4))

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

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

  bridge = qa_config.get('bridge', None)

  if bridge:

    cmd.append('--bridge=%s' % bridge)

    cmd.append('--master-netdev=%s' % bridge)

  htype = qa_config.get('enabled-hypervisors', None)

  if htype:

    cmd.append('--enabled-hypervisors=%s' % htype)

  cmd.append(qa_config.get('name'))

  AssertEqual(StartSSH(master['primary'],

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

def TestClusterRename():

  """gnt-cluster rename"""

  master = qa_config.GetMasterNode()

  cmd = ['gnt-cluster', 'rename', '-f']

  original_name = qa_config.get('name')

  rename_target = qa_config.get('rename', None)

  if rename_target is None:

    print qa_utils.FormatError('"rename" entry is missing')

    return

  cmd_1 = cmd + [rename_target]

  cmd_2 = cmd + [original_name]

  cmd_verify = ['gnt-cluster', 'verify']

  AssertEqual(StartSSH(master['primary'],

                       utils.ShellQuoteArgs(cmd_1)).wait(), 0)

  AssertEqual(StartSSH(master['primary'],

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

  AssertEqual(StartSSH(master['primary'],

                       utils.ShellQuoteArgs(cmd_2)).wait(), 0)

  AssertEqual(StartSSH(master['primary'],

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

def TestClusterVerify():

  """gnt-cluster verify"""

  master = qa_config.GetMasterNode()

  cmd = ['gnt-cluster', 'verify']

  AssertEqual(StartSSH(master['primary'],

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

def TestJobqueue():

  """gnt-debug test-jobqueue"""

  master = qa_config.GetMasterNode()

  cmd = ["gnt-debug", "test-jobqueue"]

  AssertEqual(StartSSH(master["primary"],

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

def TestClusterReservedLvs():

  """gnt-cluster reserved lvs"""

  master = qa_config.GetMasterNode()

  CVERIFY = ['gnt-cluster', 'verify']

  for rcode, cmd in [

    (0, CVERIFY),

    (0, ['gnt-cluster', 'modify', '--reserved-lvs', '']),

    (0, ['lvcreate', '-L1G', '-nqa-test', 'xenvg']),

    (1, CVERIFY),

    (0, ['gnt-cluster', 'modify', '--reserved-lvs', 'qa-test,other-test']),

    (0, CVERIFY),

    (0, ['gnt-cluster', 'modify', '--reserved-lvs', 'qa-.*']),

    (0, CVERIFY),

    (0, ['gnt-cluster', 'modify', '--reserved-lvs', '']),

    (1, CVERIFY),

    (0, ['lvremove', '-f', 'xenvg/qa-test']),

    (0, CVERIFY),

    ]:

    AssertEqual(StartSSH(master['primary'],

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

def TestClusterInfo():

  """gnt-cluster info"""

  master = qa_config.GetMasterNode()

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

  AssertEqual(StartSSH(master['primary'],

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

def TestClusterGetmaster():

  """gnt-cluster getmaster"""

  master = qa_config.GetMasterNode()

  cmd = ['gnt-cluster', 'getmaster']

  AssertEqual(StartSSH(master['primary'],

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

def TestClusterVersion():

  """gnt-cluster version"""

  master = qa_config.GetMasterNode()

  cmd = ['gnt-cluster', 'version']

  AssertEqual(StartSSH(master['primary'],

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

def TestClusterRenewCrypto():

  """gnt-cluster renew-crypto"""

  master = qa_config.GetMasterNode()

  # Conflicting options

  cmd = ["gnt-cluster", "renew-crypto", "--force",

         "--new-cluster-certificate", "--new-confd-hmac-key"]

  conflicting = [

    ["--new-rapi-certificate", "--rapi-certificate=/dev/null"],

    ["--new-cluster-domain-secret", "--cluster-domain-secret=/dev/null"],

    ]

  for i in conflicting:

    AssertNotEqual(StartSSH(master["primary"],

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

  # Invalid RAPI certificate

  cmd = ["gnt-cluster", "renew-crypto", "--force",

         "--rapi-certificate=/dev/null"]

  AssertNotEqual(StartSSH(master["primary"],

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

  rapi_cert_backup = qa_utils.BackupFile(master["primary"],

                                         constants.RAPI_CERT_FILE)

  try:

    # Custom RAPI certificate

    fh = tempfile.NamedTemporaryFile()

    # Ensure certificate doesn't cause "gnt-cluster verify" to complain

    validity = constants.SSL_CERT_EXPIRATION_WARN * 3

    utils.GenerateSelfSignedSslCert(fh.name, validity=validity)

    tmpcert = qa_utils.UploadFile(master["primary"], fh.name)

    try:

      cmd = ["gnt-cluster", "renew-crypto", "--force",

             "--rapi-certificate=%s" % tmpcert]

      AssertEqual(StartSSH(master["primary"],

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

    finally:

      cmd = ["rm", "-f", tmpcert]

      AssertEqual(StartSSH(master["primary"],

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

    # Custom cluster domain secret

    cds_fh = tempfile.NamedTemporaryFile()

    cds_fh.write(utils.GenerateSecret())

    cds_fh.write("\n")

    cds_fh.flush()

    tmpcds = qa_utils.UploadFile(master["primary"], cds_fh.name)

    try:

      cmd = ["gnt-cluster", "renew-crypto", "--force",

             "--cluster-domain-secret=%s" % tmpcds]

      AssertEqual(StartSSH(master["primary"],

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

    finally:

      cmd = ["rm", "-f", tmpcds]

      AssertEqual(StartSSH(master["primary"],

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

    # Normal case

    cmd = ["gnt-cluster", "renew-crypto", "--force",

           "--new-cluster-certificate", "--new-confd-hmac-key",

           "--new-rapi-certificate", "--new-cluster-domain-secret"]

    AssertEqual(StartSSH(master["primary"],

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

    # Restore RAPI certificate

    cmd = ["gnt-cluster", "renew-crypto", "--force",

           "--rapi-certificate=%s" % rapi_cert_backup]

    AssertEqual(StartSSH(master["primary"],

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

  finally:

    cmd = ["rm", "-f", rapi_cert_backup]

    AssertEqual(StartSSH(master["primary"],

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

def TestClusterBurnin():

  """Burnin"""

  master = qa_config.GetMasterNode()

  options = qa_config.get('options', {})

  disk_template = options.get('burnin-disk-template', 'drbd')

  parallel = options.get('burnin-in-parallel', False)

  check_inst = options.get('burnin-check-instances', False)

  do_rename = options.get('burnin-rename', '')

  do_reboot = options.get('burnin-reboot', True)

  reboot_types = options.get("reboot-types", constants.REBOOT_TYPES)

  # Get as many instances as we need

  instances = []

  try:

    try:

      num = qa_config.get('options', {}).get('burnin-instances', 1)

      for _ in range(0, num):

        instances.append(qa_config.AcquireInstance())

    except qa_error.OutOfInstancesError:

      print "Not enough instances, continuing anyway."

    if len(instances) < 1:

      raise qa_error.Error("Burnin needs at least one instance")

    script = qa_utils.UploadFile(master['primary'], '../tools/burnin')

    try:

      # Run burnin

      cmd = [script,

             '--os=%s' % qa_config.get('os'),

             '--disk-size=%s' % ",".join(qa_config.get('disk')),

             '--disk-growth=%s' % ",".join(qa_config.get('disk-growth')),

             '--disk-template=%s' % disk_template]

      if parallel:

        cmd.append('--parallel')

        cmd.append('--early-release')

      if check_inst:

        cmd.append('--http-check')

      if do_rename:

        cmd.append('--rename=%s' % do_rename)

      if not do_reboot:

        cmd.append('--no-reboot')

      else:

        cmd.append('--reboot-types=%s' % ",".join(reboot_types))

      cmd += [inst['name'] for inst in instances]

      AssertEqual(StartSSH(master['primary'],

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

    finally:

      cmd = ['rm', '-f', script]

      AssertEqual(StartSSH(master['primary'],

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

  finally:

    for inst in instances:

      qa_config.ReleaseInstance(inst)

def TestClusterMasterFailover():

  """gnt-cluster master-failover"""

  master = qa_config.GetMasterNode()

  failovermaster = qa_config.AcquireNode(exclude=master)

  try:

    cmd = ['gnt-cluster', 'master-failover']

    AssertEqual(StartSSH(failovermaster['primary'],

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

    cmd = ['gnt-cluster', 'master-failover']

    AssertEqual(StartSSH(master['primary'],

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

  finally:

    qa_config.ReleaseNode(failovermaster)

def TestClusterCopyfile():

  """gnt-cluster copyfile"""

  master = qa_config.GetMasterNode()

  uniqueid = utils.NewUUID()

  # Create temporary file

  f = tempfile.NamedTemporaryFile()

  f.write(uniqueid)

  f.flush()

  f.seek(0)

  # Upload file to master node

  testname = qa_utils.UploadFile(master['primary'], f.name)

  try:

    # Copy file to all nodes

    cmd = ['gnt-cluster', 'copyfile', testname]

    AssertEqual(StartSSH(master['primary'],

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

    _CheckFileOnAllNodes(testname, uniqueid)

  finally:

    _RemoveFileFromAllNodes(testname)

def TestClusterCommand():

  """gnt-cluster command"""

  master = qa_config.GetMasterNode()

  uniqueid = utils.NewUUID()

  rfile = "/tmp/gnt%s" % utils.NewUUID()

  rcmd = utils.ShellQuoteArgs(['echo', '-n', uniqueid])

  cmd = utils.ShellQuoteArgs(['gnt-cluster', 'command',

                              "%s >%s" % (rcmd, rfile)])

  try:

    AssertEqual(StartSSH(master['primary'], cmd).wait(), 0)

    _CheckFileOnAllNodes(rfile, uniqueid)

  finally:

    _RemoveFileFromAllNodes(rfile)

def TestClusterDestroy():

  """gnt-cluster destroy"""

  master = qa_config.GetMasterNode()

  cmd = ['gnt-cluster', 'destroy', '--yes-do-it']

  AssertEqual(StartSSH(master['primary'],

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