Exemple #1
0
  def testCorrectHostname(self):
    self._CreateValidConfigDir()

    utils.WriteFile(self.config_path,
                    data=serializer.DumpJson(GetMinimalConfig()))

    utils.WriteFile(self.ss_master_node_path,
                    data="%s\n" % netutils.GetHostname().name)

    _RunUpgrade(self.tmpdir, False, True, ignore_hostname=False)
Exemple #2
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  def testWrongHostname(self):
    self._CreateValidConfigDir()

    utils.WriteFile(self.config_path,
                    data=serializer.DumpJson(GetMinimalConfig()))

    hostname = netutils.GetHostname().name
    assert hostname != utils.ReadOneLineFile(self.ss_master_node_path)

    self.assertRaises(Exception, _RunUpgrade, self.tmpdir, False, True,
                      ignore_hostname=False)
Exemple #3
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  def CheckHostname(path):
    """Ensures hostname matches ssconf value.

    @param path: Path to ssconf file

    """
    ssconf_master_node = utils.ReadOneLineFile(path)
    hostname = netutils.GetHostname().name

    if ssconf_master_node == hostname:
      return True

    logging.warning("Warning: ssconf says master node is '%s', but this"
                    " machine's name is '%s'; this tool must be run on"
                    " the master node", ssconf_master_node, hostname)
    return False
Exemple #4
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def _WaitForSshDaemon(hostname, port, family):
  """Wait for SSH daemon to become responsive.

  """
  hostip = netutils.GetHostname(name=hostname, family=family).ip

  def _CheckSshDaemon():
    if netutils.TcpPing(hostip, port, timeout=1.0, live_port_needed=True):
      logging.debug("SSH daemon on %s:%s (IP address %s) has become"
                    " responsive", hostname, port, hostip)
    else:
      raise utils.RetryAgain()

  try:
    utils.Retry(_CheckSshDaemon, 1.0, _DAEMON_READY_TIMEOUT)
  except utils.RetryTimeout:
    raise errors.OpExecError("SSH daemon on %s:%s (IP address %s) didn't"
                             " become responsive within %s seconds" %
                             (hostname, port, hostip, _DAEMON_READY_TIMEOUT))
Exemple #5
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def CheckHostnameSane(lu, name):
    """Ensures that a given hostname resolves to a 'sane' name.

  The given name is required to be a prefix of the resolved hostname,
  to prevent accidental mismatches.

  @param lu: the logical unit on behalf of which we're checking
  @param name: the name we should resolve and check
  @return: the resolved hostname object

  """
    hostname = netutils.GetHostname(name=name)
    if hostname.name != name:
        lu.LogInfo("Resolved given name '%s' to '%s'", name, hostname.name)
    if not utils.MatchNameComponent(name, [hostname.name]):
        raise errors.OpPrereqError(
            ("Resolved hostname '%s' does not look the"
             " same as given hostname '%s'") % (hostname.name, name),
            errors.ECODE_INVAL)
    return hostname
def InitCluster(
        cluster_name,
        mac_prefix,  # pylint: disable=R0913, R0914
        master_netmask,
        master_netdev,
        file_storage_dir,
        shared_file_storage_dir,
        gluster_storage_dir,
        candidate_pool_size,
        secondary_ip=None,
        vg_name=None,
        beparams=None,
        nicparams=None,
        ndparams=None,
        hvparams=None,
        diskparams=None,
        enabled_hypervisors=None,
        modify_etc_hosts=True,
        modify_ssh_setup=True,
        maintain_node_health=False,
        drbd_helper=None,
        uid_pool=None,
        default_iallocator=None,
        default_iallocator_params=None,
        primary_ip_version=None,
        ipolicy=None,
        prealloc_wipe_disks=False,
        use_external_mip_script=False,
        hv_state=None,
        disk_state=None,
        enabled_disk_templates=None,
        install_image=None,
        zeroing_image=None,
        compression_tools=None,
        enabled_user_shutdown=False):
    """Initialise the cluster.

  @type candidate_pool_size: int
  @param candidate_pool_size: master candidate pool size

  @type enabled_disk_templates: list of string
  @param enabled_disk_templates: list of disk_templates to be used in this
    cluster

  @type enabled_user_shutdown: bool
  @param enabled_user_shutdown: whether user shutdown is enabled cluster
                                wide

  """
    # TODO: complete the docstring
    if config.ConfigWriter.IsCluster():
        raise errors.OpPrereqError("Cluster is already initialised",
                                   errors.ECODE_STATE)

    data_dir = vcluster.AddNodePrefix(pathutils.DATA_DIR)
    queue_dir = vcluster.AddNodePrefix(pathutils.QUEUE_DIR)
    archive_dir = vcluster.AddNodePrefix(pathutils.JOB_QUEUE_ARCHIVE_DIR)
    for ddir in [queue_dir, data_dir, archive_dir]:
        if os.path.isdir(ddir):
            for entry in os.listdir(ddir):
                if not os.path.isdir(os.path.join(ddir, entry)):
                    raise errors.OpPrereqError(
                        "%s contains non-directory entries like %s. Remove left-overs of an"
                        " old cluster before initialising a new one" %
                        (ddir, entry), errors.ECODE_STATE)

    if not enabled_hypervisors:
        raise errors.OpPrereqError(
            "Enabled hypervisors list must contain at"
            " least one member", errors.ECODE_INVAL)
    invalid_hvs = set(enabled_hypervisors) - constants.HYPER_TYPES
    if invalid_hvs:
        raise errors.OpPrereqError(
            "Enabled hypervisors contains invalid"
            " entries: %s" % invalid_hvs, errors.ECODE_INVAL)

    _InitCheckEnabledDiskTemplates(enabled_disk_templates)

    try:
        ipcls = netutils.IPAddress.GetClassFromIpVersion(primary_ip_version)
    except errors.ProgrammerError:
        raise errors.OpPrereqError(
            "Invalid primary ip version: %d." % primary_ip_version,
            errors.ECODE_INVAL)

    hostname = netutils.GetHostname(family=ipcls.family)
    if not ipcls.IsValid(hostname.ip):
        raise errors.OpPrereqError(
            "This host's IP (%s) is not a valid IPv%d"
            " address." % (hostname.ip, primary_ip_version),
            errors.ECODE_INVAL)

    if ipcls.IsLoopback(hostname.ip):
        raise errors.OpPrereqError(
            "This host's IP (%s) resolves to a loopback"
            " address. Please fix DNS or %s." %
            (hostname.ip, pathutils.ETC_HOSTS), errors.ECODE_ENVIRON)

    if not ipcls.Own(hostname.ip):
        raise errors.OpPrereqError(
            "Inconsistency: this host's name resolves"
            " to %s,\nbut this ip address does not"
            " belong to this host" % hostname.ip, errors.ECODE_ENVIRON)

    clustername = netutils.GetHostname(name=cluster_name, family=ipcls.family)

    if netutils.TcpPing(clustername.ip,
                        constants.DEFAULT_NODED_PORT,
                        timeout=5):
        raise errors.OpPrereqError("Cluster IP already active",
                                   errors.ECODE_NOTUNIQUE)

    if not secondary_ip:
        if primary_ip_version == constants.IP6_VERSION:
            raise errors.OpPrereqError(
                "When using a IPv6 primary address, a valid"
                " IPv4 address must be given as secondary", errors.ECODE_INVAL)
        secondary_ip = hostname.ip

    if not netutils.IP4Address.IsValid(secondary_ip):
        raise errors.OpPrereqError(
            "Secondary IP address (%s) has to be a valid"
            " IPv4 address." % secondary_ip, errors.ECODE_INVAL)

    if not netutils.IP4Address.Own(secondary_ip):
        raise errors.OpPrereqError(
            "You gave %s as secondary IP,"
            " but it does not belong to this host." % secondary_ip,
            errors.ECODE_ENVIRON)

    if master_netmask is not None:
        if not ipcls.ValidateNetmask(master_netmask):
            raise errors.OpPrereqError(
                "CIDR netmask (%s) not valid for IPv%s " %
                (master_netmask, primary_ip_version), errors.ECODE_INVAL)
    else:
        master_netmask = ipcls.iplen

    if vg_name:
        # Check if volume group is valid
        vgstatus = utils.CheckVolumeGroupSize(utils.ListVolumeGroups(),
                                              vg_name, constants.MIN_VG_SIZE)
        if vgstatus:
            raise errors.OpPrereqError("Error: %s" % vgstatus,
                                       errors.ECODE_INVAL)

    drbd_enabled = constants.DT_DRBD8 in enabled_disk_templates
    _InitCheckDrbdHelper(drbd_helper, drbd_enabled)

    logging.debug("Stopping daemons (if any are running)")
    result = utils.RunCmd([pathutils.DAEMON_UTIL, "stop-all"])
    if result.failed:
        raise errors.OpExecError("Could not stop daemons, command %s"
                                 " had exitcode %s and error '%s'" %
                                 (result.cmd, result.exit_code, result.output))

    file_storage_dir = _PrepareFileStorage(enabled_disk_templates,
                                           file_storage_dir)
    shared_file_storage_dir = _PrepareSharedFileStorage(
        enabled_disk_templates, shared_file_storage_dir)
    gluster_storage_dir = _PrepareGlusterStorage(enabled_disk_templates,
                                                 gluster_storage_dir)

    if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", mac_prefix):
        raise errors.OpPrereqError(
            "Invalid mac prefix given '%s'" % mac_prefix, errors.ECODE_INVAL)

    if not nicparams.get('mode', None) == constants.NIC_MODE_OVS:
        # Do not do this check if mode=openvswitch, since the openvswitch is not
        # created yet
        result = utils.RunCmd(["ip", "link", "show", "dev", master_netdev])
        if result.failed:
            raise errors.OpPrereqError(
                "Invalid master netdev given (%s): '%s'" %
                (master_netdev, result.output.strip()), errors.ECODE_INVAL)

    dirs = [(pathutils.RUN_DIR, constants.RUN_DIRS_MODE)]
    utils.EnsureDirs(dirs)

    objects.UpgradeBeParams(beparams)
    utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
    utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)

    objects.NIC.CheckParameterSyntax(nicparams)

    full_ipolicy = objects.FillIPolicy(constants.IPOLICY_DEFAULTS, ipolicy)
    _RestrictIpolicyToEnabledDiskTemplates(full_ipolicy,
                                           enabled_disk_templates)

    if ndparams is not None:
        utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES)
    else:
        ndparams = dict(constants.NDC_DEFAULTS)

    # This is ugly, as we modify the dict itself
    # FIXME: Make utils.ForceDictType pure functional or write a wrapper
    # around it
    if hv_state:
        for hvname, hvs_data in hv_state.items():
            utils.ForceDictType(hvs_data, constants.HVSTS_PARAMETER_TYPES)
            hv_state[hvname] = objects.Cluster.SimpleFillHvState(hvs_data)
    else:
        hv_state = dict((hvname, constants.HVST_DEFAULTS)
                        for hvname in enabled_hypervisors)

    # FIXME: disk_state has no default values yet
    if disk_state:
        for storage, ds_data in disk_state.items():
            if storage not in constants.DS_VALID_TYPES:
                raise errors.OpPrereqError(
                    "Invalid storage type in disk state: %s" % storage,
                    errors.ECODE_INVAL)
            for ds_name, state in ds_data.items():
                utils.ForceDictType(state, constants.DSS_PARAMETER_TYPES)
                ds_data[ds_name] = objects.Cluster.SimpleFillDiskState(state)

    # hvparams is a mapping of hypervisor->hvparams dict
    for hv_name, hv_params in hvparams.iteritems():
        utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
        hv_class = hypervisor.GetHypervisor(hv_name)
        hv_class.CheckParameterSyntax(hv_params)

    # diskparams is a mapping of disk-template->diskparams dict
    for template, dt_params in diskparams.items():
        param_keys = set(dt_params.keys())
        default_param_keys = set(constants.DISK_DT_DEFAULTS[template].keys())
        if not (param_keys <= default_param_keys):
            unknown_params = param_keys - default_param_keys
            raise errors.OpPrereqError(
                "Invalid parameters for disk template %s:"
                " %s" % (template, utils.CommaJoin(unknown_params)),
                errors.ECODE_INVAL)
        utils.ForceDictType(dt_params, constants.DISK_DT_TYPES)
        if template == constants.DT_DRBD8 and vg_name is not None:
            # The default METAVG value is equal to the VG name set at init time,
            # if provided
            dt_params[constants.DRBD_DEFAULT_METAVG] = vg_name

    try:
        utils.VerifyDictOptions(diskparams, constants.DISK_DT_DEFAULTS)
    except errors.OpPrereqError, err:
        raise errors.OpPrereqError("While verify diskparam options: %s" % err,
                                   errors.ECODE_INVAL)
Exemple #7
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def AddNode(opts, args):
  """Add a node to the cluster.

  @param opts: the command line options selected by the user
  @type args: list
  @param args: should contain only one element, the new node name
  @rtype: int
  @return: the desired exit code

  """
  cl = GetClient()
  node = netutils.GetHostname(name=args[0]).name
  readd = opts.readd

  # Retrieve relevant parameters of the node group.
  ssh_port = None
  try:
    # Passing [] to QueryGroups means query the default group:
    node_groups = [opts.nodegroup] if opts.nodegroup is not None else []
    output = cl.QueryGroups(names=node_groups, fields=["ndp/ssh_port"],
                            use_locking=False)
    (ssh_port, ) = output[0]
  except (errors.OpPrereqError, errors.OpExecError):
    pass

  try:
    output = cl.QueryNodes(names=[node],
                           fields=["name", "sip", "master",
                                   "ndp/ssh_port"],
                           use_locking=False)
    if len(output) == 0:
      node_exists = ""
      sip = None
    else:
      node_exists, sip, is_master, ssh_port = output[0]
  except (errors.OpPrereqError, errors.OpExecError):
    node_exists = ""
    sip = None

  if readd:
    if not node_exists:
      ToStderr("Node %s not in the cluster"
               " - please retry without '--readd'", node)
      return 1
    if is_master:
      ToStderr("Node %s is the master, cannot readd", node)
      return 1
  else:
    if node_exists:
      ToStderr("Node %s already in the cluster (as %s)"
               " - please retry with '--readd'", node, node_exists)
      return 1
    sip = opts.secondary_ip

  # read the cluster name from the master
  (cluster_name, ) = cl.QueryConfigValues(["cluster_name"])

  if opts.node_setup:
    ToStderr("-- WARNING -- \n"
             "Performing this operation is going to perform the following\n"
             "changes to the target machine (%s) and the current cluster\n"
             "nodes:\n"
             "* A new SSH daemon key pair is generated is generated on\n"
             "  the target machine.\n"
             "* The public SSH keys of all master candidates of the cluster\n"
             "  are added to the target machine's 'authorized_keys' file.\n"
             "* In case the target machine is a master candidate, its newly\n"
             "  generated public SSH key will be distributed to all other\n"
             "  cluster nodes.\n", node)

  if opts.node_setup:
    _SetupSSH(opts, cluster_name, node, ssh_port, cl)

  bootstrap.SetupNodeDaemon(opts, cluster_name, node, ssh_port)

  if opts.disk_state:
    disk_state = utils.FlatToDict(opts.disk_state)
  else:
    disk_state = {}

  hv_state = dict(opts.hv_state)

  op = opcodes.OpNodeAdd(node_name=args[0], secondary_ip=sip,
                         readd=opts.readd, group=opts.nodegroup,
                         vm_capable=opts.vm_capable, ndparams=opts.ndparams,
                         master_capable=opts.master_capable,
                         disk_state=disk_state,
                         hv_state=hv_state,
                         node_setup=opts.node_setup)
  SubmitOpCode(op, opts=opts)
Exemple #8
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def get_ganeti_node():
    """Get the Ganeti node this service is running on

    @returns: The domain of this node
    """
    return netutils.GetHostname().GetFqdn()
Exemple #9
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def AddNode(opts, args):
    """Add a node to the cluster.

  @param opts: the command line options selected by the user
  @type args: list
  @param args: should contain only one element, the new node name
  @rtype: int
  @return: the desired exit code

  """
    cl = GetClient()
    query_cl = GetClient(query=True)
    node = netutils.GetHostname(name=args[0]).name
    readd = opts.readd

    # Retrieve relevant parameters of the node group.
    ssh_port = None
    try:
        # Passing [] to QueryGroups means query the default group:
        node_groups = [opts.nodegroup] if opts.nodegroup is not None else []
        output = query_cl.QueryGroups(names=node_groups,
                                      fields=["ndp/ssh_port"],
                                      use_locking=False)
        (ssh_port, ) = output[0]
    except (errors.OpPrereqError, errors.OpExecError):
        pass

    try:
        output = query_cl.QueryNodes(
            names=[node],
            fields=["name", "sip", "master", "ndp/ssh_port"],
            use_locking=False)
        node_exists, sip, is_master, ssh_port = output[0]
    except (errors.OpPrereqError, errors.OpExecError):
        node_exists = ""
        sip = None

    if readd:
        if not node_exists:
            ToStderr(
                "Node %s not in the cluster"
                " - please retry without '--readd'", node)
            return 1
        if is_master:
            ToStderr("Node %s is the master, cannot readd", node)
            return 1
    else:
        if node_exists:
            ToStderr(
                "Node %s already in the cluster (as %s)"
                " - please retry with '--readd'", node, node_exists)
            return 1
        sip = opts.secondary_ip

    # read the cluster name from the master
    (cluster_name, ) = cl.QueryConfigValues(["cluster_name"])

    if not readd and opts.node_setup:
        ToStderr(
            "-- WARNING -- \n"
            "Performing this operation is going to replace the ssh daemon"
            " keypair\n"
            "on the target machine (%s) with the ones of the"
            " current one\n"
            "and grant full intra-cluster ssh root access to/from it\n", node)

    if opts.node_setup:
        _SetupSSH(opts, cluster_name, node, ssh_port)

    bootstrap.SetupNodeDaemon(opts, cluster_name, node, ssh_port)

    if opts.disk_state:
        disk_state = utils.FlatToDict(opts.disk_state)
    else:
        disk_state = {}

    hv_state = dict(opts.hv_state)

    op = opcodes.OpNodeAdd(node_name=args[0],
                           secondary_ip=sip,
                           readd=opts.readd,
                           group=opts.nodegroup,
                           vm_capable=opts.vm_capable,
                           ndparams=opts.ndparams,
                           master_capable=opts.master_capable,
                           disk_state=disk_state,
                           hv_state=hv_state)
    SubmitOpCode(op, opts=opts)
Exemple #10
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def InitCluster(
        cluster_name,
        mac_prefix,  # pylint: disable=R0913, R0914
        master_netmask,
        master_netdev,
        file_storage_dir,
        shared_file_storage_dir,
        gluster_storage_dir,
        candidate_pool_size,
        ssh_key_type,
        ssh_key_bits,
        secondary_ip=None,
        vg_name=None,
        beparams=None,
        nicparams=None,
        ndparams=None,
        hvparams=None,
        diskparams=None,
        enabled_hypervisors=None,
        modify_etc_hosts=True,
        modify_ssh_setup=True,
        maintain_node_health=False,
        drbd_helper=None,
        uid_pool=None,
        default_iallocator=None,
        default_iallocator_params=None,
        primary_ip_version=None,
        ipolicy=None,
        prealloc_wipe_disks=False,
        use_external_mip_script=False,
        hv_state=None,
        disk_state=None,
        enabled_disk_templates=None,
        install_image=None,
        zeroing_image=None,
        compression_tools=None,
        enabled_user_shutdown=False):
    """Initialise the cluster.

  @type candidate_pool_size: int
  @param candidate_pool_size: master candidate pool size

  @type enabled_disk_templates: list of string
  @param enabled_disk_templates: list of disk_templates to be used in this
    cluster

  @type enabled_user_shutdown: bool
  @param enabled_user_shutdown: whether user shutdown is enabled cluster
                                wide

  """
    # TODO: complete the docstring
    if config.ConfigWriter.IsCluster():
        raise errors.OpPrereqError("Cluster is already initialised",
                                   errors.ECODE_STATE)

    data_dir = vcluster.AddNodePrefix(pathutils.DATA_DIR)
    queue_dir = vcluster.AddNodePrefix(pathutils.QUEUE_DIR)
    archive_dir = vcluster.AddNodePrefix(pathutils.JOB_QUEUE_ARCHIVE_DIR)
    for ddir in [queue_dir, data_dir, archive_dir]:
        if os.path.isdir(ddir):
            for entry in os.listdir(ddir):
                if not os.path.isdir(os.path.join(ddir, entry)):
                    raise errors.OpPrereqError(
                        "%s contains non-directory entries like %s. Remove left-overs of an"
                        " old cluster before initialising a new one" %
                        (ddir, entry), errors.ECODE_STATE)

    if not enabled_hypervisors:
        raise errors.OpPrereqError(
            "Enabled hypervisors list must contain at"
            " least one member", errors.ECODE_INVAL)
    invalid_hvs = set(enabled_hypervisors) - constants.HYPER_TYPES
    if invalid_hvs:
        raise errors.OpPrereqError(
            "Enabled hypervisors contains invalid"
            " entries: %s" % invalid_hvs, errors.ECODE_INVAL)

    _InitCheckEnabledDiskTemplates(enabled_disk_templates)

    try:
        ipcls = netutils.IPAddress.GetClassFromIpVersion(primary_ip_version)
    except errors.ProgrammerError:
        raise errors.OpPrereqError(
            "Invalid primary ip version: %d." % primary_ip_version,
            errors.ECODE_INVAL)

    hostname = netutils.GetHostname(family=ipcls.family)
    if not ipcls.IsValid(hostname.ip):
        raise errors.OpPrereqError(
            "This host's IP (%s) is not a valid IPv%d"
            " address." % (hostname.ip, primary_ip_version),
            errors.ECODE_INVAL)

    if ipcls.IsLoopback(hostname.ip):
        raise errors.OpPrereqError(
            "This host's IP (%s) resolves to a loopback"
            " address. Please fix DNS or %s." %
            (hostname.ip, pathutils.ETC_HOSTS), errors.ECODE_ENVIRON)

    if not ipcls.Own(hostname.ip):
        raise errors.OpPrereqError(
            "Inconsistency: this host's name resolves"
            " to %s,\nbut this ip address does not"
            " belong to this host" % hostname.ip, errors.ECODE_ENVIRON)

    clustername = netutils.GetHostname(name=cluster_name, family=ipcls.family)

    if netutils.TcpPing(clustername.ip,
                        constants.DEFAULT_NODED_PORT,
                        timeout=5):
        raise errors.OpPrereqError("Cluster IP already active",
                                   errors.ECODE_NOTUNIQUE)

    if not secondary_ip:
        if primary_ip_version == constants.IP6_VERSION:
            raise errors.OpPrereqError(
                "When using a IPv6 primary address, a valid"
                " IPv4 address must be given as secondary", errors.ECODE_INVAL)
        secondary_ip = hostname.ip

    if not netutils.IP4Address.IsValid(secondary_ip):
        raise errors.OpPrereqError(
            "Secondary IP address (%s) has to be a valid"
            " IPv4 address." % secondary_ip, errors.ECODE_INVAL)

    if not netutils.IP4Address.Own(secondary_ip):
        raise errors.OpPrereqError(
            "You gave %s as secondary IP,"
            " but it does not belong to this host." % secondary_ip,
            errors.ECODE_ENVIRON)

    if master_netmask is not None:
        if not ipcls.ValidateNetmask(master_netmask):
            raise errors.OpPrereqError(
                "CIDR netmask (%s) not valid for IPv%s " %
                (master_netmask, primary_ip_version), errors.ECODE_INVAL)
    else:
        master_netmask = ipcls.iplen

    if vg_name:
        # Check if volume group is valid
        vgstatus = utils.CheckVolumeGroupSize(utils.ListVolumeGroups(),
                                              vg_name, constants.MIN_VG_SIZE)
        if vgstatus:
            raise errors.OpPrereqError("Error: %s" % vgstatus,
                                       errors.ECODE_INVAL)

    drbd_enabled = constants.DT_DRBD8 in enabled_disk_templates
    _InitCheckDrbdHelper(drbd_helper, drbd_enabled)

    logging.debug("Stopping daemons (if any are running)")
    result = utils.RunCmd([pathutils.DAEMON_UTIL, "stop-all"])
    if result.failed:
        raise errors.OpExecError("Could not stop daemons, command %s"
                                 " had exitcode %s and error '%s'" %
                                 (result.cmd, result.exit_code, result.output))

    file_storage_dir = _PrepareFileStorage(enabled_disk_templates,
                                           file_storage_dir)
    shared_file_storage_dir = _PrepareSharedFileStorage(
        enabled_disk_templates, shared_file_storage_dir)
    gluster_storage_dir = _PrepareGlusterStorage(enabled_disk_templates,
                                                 gluster_storage_dir)

    if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", mac_prefix):
        raise errors.OpPrereqError(
            "Invalid mac prefix given '%s'" % mac_prefix, errors.ECODE_INVAL)

    if not nicparams.get('mode', None) == constants.NIC_MODE_OVS:
        # Do not do this check if mode=openvswitch, since the openvswitch is not
        # created yet
        result = utils.RunCmd(["ip", "link", "show", "dev", master_netdev])
        if result.failed:
            raise errors.OpPrereqError(
                "Invalid master netdev given (%s): '%s'" %
                (master_netdev, result.output.strip()), errors.ECODE_INVAL)

    dirs = [(pathutils.RUN_DIR, constants.RUN_DIRS_MODE)]
    utils.EnsureDirs(dirs)

    objects.UpgradeBeParams(beparams)
    utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
    utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)

    objects.NIC.CheckParameterSyntax(nicparams)

    full_ipolicy = objects.FillIPolicy(constants.IPOLICY_DEFAULTS, ipolicy)
    _RestrictIpolicyToEnabledDiskTemplates(full_ipolicy,
                                           enabled_disk_templates)

    if ndparams is not None:
        utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES)
    else:
        ndparams = dict(constants.NDC_DEFAULTS)

    # This is ugly, as we modify the dict itself
    # FIXME: Make utils.ForceDictType pure functional or write a wrapper
    # around it
    if hv_state:
        for hvname, hvs_data in hv_state.items():
            utils.ForceDictType(hvs_data, constants.HVSTS_PARAMETER_TYPES)
            hv_state[hvname] = objects.Cluster.SimpleFillHvState(hvs_data)
    else:
        hv_state = dict((hvname, constants.HVST_DEFAULTS)
                        for hvname in enabled_hypervisors)

    # FIXME: disk_state has no default values yet
    if disk_state:
        for storage, ds_data in disk_state.items():
            if storage not in constants.DS_VALID_TYPES:
                raise errors.OpPrereqError(
                    "Invalid storage type in disk state: %s" % storage,
                    errors.ECODE_INVAL)
            for ds_name, state in ds_data.items():
                utils.ForceDictType(state, constants.DSS_PARAMETER_TYPES)
                ds_data[ds_name] = objects.Cluster.SimpleFillDiskState(state)

    # hvparams is a mapping of hypervisor->hvparams dict
    for hv_name, hv_params in hvparams.items():
        utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
        hv_class = hypervisor.GetHypervisor(hv_name)
        hv_class.CheckParameterSyntax(hv_params)

    # diskparams is a mapping of disk-template->diskparams dict
    for template, dt_params in diskparams.items():
        param_keys = set(dt_params.keys())
        default_param_keys = set(constants.DISK_DT_DEFAULTS[template].keys())
        if param_keys > default_param_keys:
            unknown_params = param_keys - default_param_keys
            raise errors.OpPrereqError(
                "Invalid parameters for disk template %s:"
                " %s" % (template, utils.CommaJoin(unknown_params)),
                errors.ECODE_INVAL)
        utils.ForceDictType(dt_params, constants.DISK_DT_TYPES)
        if template == constants.DT_DRBD8 and vg_name is not None:
            # The default METAVG value is equal to the VG name set at init time,
            # if provided
            dt_params[constants.DRBD_DEFAULT_METAVG] = vg_name

    try:
        utils.VerifyDictOptions(diskparams, constants.DISK_DT_DEFAULTS)
    except errors.OpPrereqError as err:
        raise errors.OpPrereqError("While verify diskparam options: %s" % err,
                                   errors.ECODE_INVAL)

    # set up ssh config and /etc/hosts
    rsa_sshkey = ""
    dsa_sshkey = ""
    if os.path.isfile(pathutils.SSH_HOST_RSA_PUB):
        sshline = utils.ReadFile(pathutils.SSH_HOST_RSA_PUB)
        rsa_sshkey = sshline.split(" ")[1]
    if os.path.isfile(pathutils.SSH_HOST_DSA_PUB):
        sshline = utils.ReadFile(pathutils.SSH_HOST_DSA_PUB)
        dsa_sshkey = sshline.split(" ")[1]
    if not rsa_sshkey and not dsa_sshkey:
        raise errors.OpPrereqError("Failed to find SSH public keys",
                                   errors.ECODE_ENVIRON)

    if modify_etc_hosts:
        utils.AddHostToEtcHosts(hostname.name, hostname.ip)

    if modify_ssh_setup:
        ssh.InitSSHSetup(ssh_key_type, ssh_key_bits)

    if default_iallocator is not None:
        alloc_script = utils.FindFile(default_iallocator,
                                      constants.IALLOCATOR_SEARCH_PATH,
                                      os.path.isfile)
        if alloc_script is None:
            raise errors.OpPrereqError(
                "Invalid default iallocator script '%s'"
                " specified" % default_iallocator, errors.ECODE_INVAL)
    else:
        # default to htools
        if utils.FindFile(constants.IALLOC_HAIL,
                          constants.IALLOCATOR_SEARCH_PATH, os.path.isfile):
            default_iallocator = constants.IALLOC_HAIL

    # check if we have all the users we need
    try:
        runtime.GetEnts()
    except errors.ConfigurationError as err:
        raise errors.OpPrereqError(
            "Required system user/group missing: %s" % err,
            errors.ECODE_ENVIRON)

    candidate_certs = {}

    now = time.time()

    if compression_tools is not None:
        cluster.CheckCompressionTools(compression_tools)

    initial_dc_config = dict(active=True,
                             interval=int(constants.MOND_TIME_INTERVAL * 1e6))
    data_collectors = dict((name, initial_dc_config.copy())
                           for name in constants.DATA_COLLECTOR_NAMES)

    # init of cluster config file
    cluster_config = objects.Cluster(
        serial_no=1,
        rsahostkeypub=rsa_sshkey,
        dsahostkeypub=dsa_sshkey,
        highest_used_port=(constants.FIRST_DRBD_PORT - 1),
        mac_prefix=mac_prefix,
        volume_group_name=vg_name,
        tcpudp_port_pool=set(),
        master_ip=clustername.ip,
        master_netmask=master_netmask,
        master_netdev=master_netdev,
        cluster_name=clustername.name,
        file_storage_dir=file_storage_dir,
        shared_file_storage_dir=shared_file_storage_dir,
        gluster_storage_dir=gluster_storage_dir,
        enabled_hypervisors=enabled_hypervisors,
        beparams={constants.PP_DEFAULT: beparams},
        nicparams={constants.PP_DEFAULT: nicparams},
        ndparams=ndparams,
        hvparams=hvparams,
        diskparams=diskparams,
        candidate_pool_size=candidate_pool_size,
        modify_etc_hosts=modify_etc_hosts,
        modify_ssh_setup=modify_ssh_setup,
        uid_pool=uid_pool,
        ctime=now,
        mtime=now,
        maintain_node_health=maintain_node_health,
        data_collectors=data_collectors,
        drbd_usermode_helper=drbd_helper,
        default_iallocator=default_iallocator,
        default_iallocator_params=default_iallocator_params,
        primary_ip_family=ipcls.family,
        prealloc_wipe_disks=prealloc_wipe_disks,
        use_external_mip_script=use_external_mip_script,
        ipolicy=full_ipolicy,
        hv_state_static=hv_state,
        disk_state_static=disk_state,
        enabled_disk_templates=enabled_disk_templates,
        candidate_certs=candidate_certs,
        osparams={},
        osparams_private_cluster={},
        install_image=install_image,
        zeroing_image=zeroing_image,
        compression_tools=compression_tools,
        enabled_user_shutdown=enabled_user_shutdown,
        ssh_key_type=ssh_key_type,
        ssh_key_bits=ssh_key_bits,
    )
    master_node_config = objects.Node(
        name=hostname.name,
        primary_ip=hostname.ip,
        secondary_ip=secondary_ip,
        serial_no=1,
        master_candidate=True,
        offline=False,
        drained=False,
        ctime=now,
        mtime=now,
    )
    InitConfig(constants.CONFIG_VERSION, cluster_config, master_node_config)
    cfg = config.ConfigWriter(offline=True)
    ssh.WriteKnownHostsFile(cfg, pathutils.SSH_KNOWN_HOSTS_FILE)
    cfg.Update(cfg.GetClusterInfo(), logging.error)
    ssconf.WriteSsconfFiles(cfg.GetSsconfValues())

    master_uuid = cfg.GetMasterNode()
    if modify_ssh_setup:
        ssh.InitPubKeyFile(master_uuid, ssh_key_type)
    # set up the inter-node password and certificate
    _InitGanetiServerSetup(hostname.name, cfg)

    logging.debug("Starting daemons")
    result = utils.RunCmd([pathutils.DAEMON_UTIL, "start-all"])
    if result.failed:
        raise errors.OpExecError("Could not start daemons, command %s"
                                 " had exitcode %s and error %s" %
                                 (result.cmd, result.exit_code, result.output))

    _WaitForMasterDaemon()