Synnefo » snf-ganeti

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"""Cluster related QA tests.

"""

import tempfile

import os.path

from ganeti import constants

from ganeti import compat

from ganeti import utils

import qa_config

import qa_utils

import qa_error

from qa_utils import AssertEqual, AssertCommand, GetCommandOutput

def _RemoveFileFromAllNodes(filename):

  """Removes a file from all nodes.

  """

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

    AssertCommand(["rm", "-f", filename], node=node)

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()

  rapi_dir = os.path.dirname(constants.RAPI_USERS_FILE)

  # 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:

      AssertCommand(["mkdir", "-p", rapi_dir])

      AssertCommand(["mv", tmpru, constants.RAPI_USERS_FILE])

    finally:

      AssertCommand(["rm", "-f", tmpru])

  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'))

  AssertCommand(cmd)

def TestClusterRename():

  """gnt-cluster rename"""

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

  for data in [

    cmd + [rename_target],

    cmd_verify,

    cmd + [original_name],

    cmd_verify,

    ]:

    AssertCommand(data)

def TestClusterOob():

  """out-of-band framework"""

  oob_path_exists = "/tmp/ganeti-qa-oob-does-exist-%s" % utils.NewUUID()

  AssertCommand(["gnt-cluster", "verify"])

  AssertCommand(["gnt-cluster", "modify", "--node-parameters",

                 "oob_program=/tmp/ganeti-qa-oob-does-not-exist-%s" %

                 utils.NewUUID()])

  AssertCommand(["gnt-cluster", "verify"], fail=True)

  AssertCommand(["touch", oob_path_exists])

  AssertCommand(["chmod", "0400", oob_path_exists])

  AssertCommand(["gnt-cluster", "copyfile", oob_path_exists])

  try:

    AssertCommand(["gnt-cluster", "modify", "--node-parameters",

                   "oob_program=%s" % oob_path_exists])

    AssertCommand(["gnt-cluster", "verify"], fail=True)

    AssertCommand(["chmod", "0500", oob_path_exists])

    AssertCommand(["gnt-cluster", "copyfile", oob_path_exists])

    AssertCommand(["gnt-cluster", "verify"])

  finally:

    AssertCommand(["gnt-cluster", "command", "rm", oob_path_exists])

  AssertCommand(["gnt-cluster", "modify", "--node-parameters",

                 "oob_program="])

def TestClusterEpo():

  """gnt-cluster epo"""

  master = qa_config.GetMasterNode()

  # Assert that OOB is unavailable for all nodes

  result_output = GetCommandOutput(master["primary"],

                                   "gnt-node list --verbose --no-header -o"

                                   " powered")

  AssertEqual(compat.all(powered == "(unavail)"

                         for powered in result_output.splitlines()), True)

  # Conflicting

  AssertCommand(["gnt-cluster", "epo", "--groups", "--all"], fail=True)

  # --all doesn't expect arguments

  AssertCommand(["gnt-cluster", "epo", "--all", "some_arg"], fail=True)

  # Unless --all is given master is not allowed to be in the list

  AssertCommand(["gnt-cluster", "epo", "-f", master["primary"]], fail=True)

  # This shouldn't fail

  AssertCommand(["gnt-cluster", "epo", "-f", "--all"])

  # All instances should have been stopped now

  result_output = GetCommandOutput(master["primary"],

                                   "gnt-instance list --no-header -o status")

  AssertEqual(compat.all(status == "ADMIN_down"

                         for status in result_output.splitlines()), True)

  # Now start everything again

  AssertCommand(["gnt-cluster", "epo", "--on", "-f", "--all"])

  # All instances should have been started now

  result_output = GetCommandOutput(master["primary"],

                                   "gnt-instance list --no-header -o status")

  AssertEqual(compat.all(status == "running"

                         for status in result_output.splitlines()), True)

def TestClusterVerify():

  """gnt-cluster verify"""

  AssertCommand(["gnt-cluster", "verify"])

  AssertCommand(["gnt-cluster", "verify-disks"])

def TestJobqueue():

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

  AssertCommand(["gnt-debug", "test-jobqueue"])

def TestClusterReservedLvs():

  """gnt-cluster reserved lvs"""

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

  for fail, cmd in [

    (False, CVERIFY),

    (False, ["gnt-cluster", "modify", "--reserved-lvs", ""]),

    (False, ["lvcreate", "-L1G", "-nqa-test", "xenvg"]),

    (True,  CVERIFY),

    (False, ["gnt-cluster", "modify", "--reserved-lvs",

             "xenvg/qa-test,.*/other-test"]),

    (False, CVERIFY),

    (False, ["gnt-cluster", "modify", "--reserved-lvs", ".*/qa-.*"]),

    (False, CVERIFY),

    (False, ["gnt-cluster", "modify", "--reserved-lvs", ""]),

    (True,  CVERIFY),

    (False, ["lvremove", "-f", "xenvg/qa-test"]),

    (False, CVERIFY),

    ]:

    AssertCommand(cmd, fail=fail)

def TestClusterModifyBe():

  """gnt-cluster modify -B"""

  for fail, cmd in [

    # mem

    (False, ["gnt-cluster", "modify", "-B", "memory=256"]),

    (False, ["sh", "-c", "gnt-cluster info|grep '^ *memory: 256$'"]),

    (True,  ["gnt-cluster", "modify", "-B", "memory=a"]),

    (False, ["gnt-cluster", "modify", "-B", "memory=128"]),

    (False, ["sh", "-c", "gnt-cluster info|grep '^ *memory: 128$'"]),

    # vcpus

    (False, ["gnt-cluster", "modify", "-B", "vcpus=4"]),

    (False, ["sh", "-c", "gnt-cluster info|grep '^ *vcpus: 4$'"]),

    (True,  ["gnt-cluster", "modify", "-B", "vcpus=a"]),

    (False, ["gnt-cluster", "modify", "-B", "vcpus=1"]),

    (False, ["sh", "-c", "gnt-cluster info|grep '^ *vcpus: 1$'"]),

    # auto_balance

    (False, ["gnt-cluster", "modify", "-B", "auto_balance=False"]),

    (False, ["sh", "-c", "gnt-cluster info|grep '^ *auto_balance: False$'"]),

    (True,  ["gnt-cluster", "modify", "-B", "auto_balance=1"]),

    (False, ["gnt-cluster", "modify", "-B", "auto_balance=True"]),

    (False, ["sh", "-c", "gnt-cluster info|grep '^ *auto_balance: True$'"]),

    ]:

    AssertCommand(cmd, fail=fail)

def TestClusterInfo():

  """gnt-cluster info"""

  AssertCommand(["gnt-cluster", "info"])

def TestClusterGetmaster():

  """gnt-cluster getmaster"""

  AssertCommand(["gnt-cluster", "getmaster"])

def TestClusterVersion():

  """gnt-cluster version"""

  AssertCommand(["gnt-cluster", "version"])

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:

    AssertCommand(cmd+i, fail=True)

  # Invalid RAPI certificate

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

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

  AssertCommand(cmd, fail=True)

  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:

      AssertCommand(["gnt-cluster", "renew-crypto", "--force",

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

    finally:

      AssertCommand(["rm", "-f", tmpcert])

    # 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:

      AssertCommand(["gnt-cluster", "renew-crypto", "--force",

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

    finally:

      AssertCommand(["rm", "-f", tmpcds])

    # Normal case

    AssertCommand(["gnt-cluster", "renew-crypto", "--force",

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

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

    # Restore RAPI certificate

    AssertCommand(["gnt-cluster", "renew-crypto", "--force",

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

  finally:

    AssertCommand(["rm", "-f", rapi_cert_backup])

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]

      AssertCommand(cmd)

    finally:

      AssertCommand(["rm", "-f", script])

  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)

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

  try:

    AssertCommand(cmd, node=failovermaster)

    # Back to original master node

    AssertCommand(cmd, node=master)

  finally:

    qa_config.ReleaseNode(failovermaster)

def TestClusterMasterFailoverWithDrainedQueue():

  """gnt-cluster master-failover with drained queue"""

  drain_check = ["test", "-f", constants.JOB_QUEUE_DRAIN_FILE]

  master = qa_config.GetMasterNode()

  failovermaster = qa_config.AcquireNode(exclude=master)

  # Ensure queue is not drained

  for node in [master, failovermaster]:

    AssertCommand(drain_check, node=node, fail=True)

  # Drain queue on failover master

  AssertCommand(["touch", constants.JOB_QUEUE_DRAIN_FILE], node=failovermaster)

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

  try:

    AssertCommand(drain_check, node=failovermaster)

    AssertCommand(cmd, node=failovermaster)

    AssertCommand(drain_check, fail=True)

    AssertCommand(drain_check, node=failovermaster, fail=True)

    # Back to original master node

    AssertCommand(cmd, node=master)

  finally:

    qa_config.ReleaseNode(failovermaster)

  AssertCommand(drain_check, fail=True)

  AssertCommand(drain_check, node=failovermaster, fail=True)

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

    AssertCommand(["gnt-cluster", "copyfile", testname])

    _CheckFileOnAllNodes(testname, uniqueid)

  finally:

    _RemoveFileFromAllNodes(testname)

def TestClusterCommand():

  """gnt-cluster command"""

  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:

    AssertCommand(cmd)

    _CheckFileOnAllNodes(rfile, uniqueid)

  finally:

    _RemoveFileFromAllNodes(rfile)

def TestClusterDestroy():

  """gnt-cluster destroy"""

  AssertCommand(["gnt-cluster", "destroy", "--yes-do-it"])