Files
ansible-freeipa/roles/ipareplica/library/ipareplica_prepare.py
Thomas Woerner 5d881a9bf3 ipareplica: Set all needed settings for kra
Some settings for kra have not been correct for kra with the change to
use single Custodia instance in the installer (freeipa 994f71ac8).

These modules have been adapted:

  ipareplica_custodia_import_dm_password
  ipareplica_enable_ipa
  ipareplica_setup_ca
  ipareplica_setup_custodia
  ipareplica_setup_kra
2019-06-25 10:53:07 +02:00

741 lines
28 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Authors:
# Thomas Woerner <twoerner@redhat.com>
#
# Based on ipa-replica-install code
#
# Copyright (C) 2018 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
ANSIBLE_METADATA = {
'metadata_version': '1.0',
'supported_by': 'community',
'status': ['preview'],
}
DOCUMENTATION = '''
---
module: ipareplica_prepare
short description: Prepare ipa replica installation
description:
Prepare ipa replica installation: Create IPA configuration file, run install
checks again and also update the host name and the hosts file if needed.
The tests and also the results from ipareplica_test are needed.
ptions:
dm_password:
description: Directory Manager password
required: yes
password:
description: Admin user kerberos password
required: yes
ip_addresses:
description: List of Master Server IP Addresses
required: no
domain:
description: Primary DNS domain of the IPA deployment
required: yes
realm:
description: Kerberos realm name of the IPA deployment
required: yes
hostname:
description: Fully qualified name of this host
required: yes
ca_cert_files:
description: List of iles containing CA certificates for the service certificate files
required: yes
no_host_dns:
description: Do not use DNS for hostname lookup during installation
required: yes
setup_adtrust:
description:
required: yes
setup_kra:
description:
required: yes
setup_dns:
description:
required: yes
external_ca:
description:
required: yes
external_cert_files:
description:
required: yes
subject_base:
description:
required: yes
ca_subject:
description:
required: yes
reverse_zones:
description:
required: yes
no_reverse:
description:
required: yes
auto_reverse:
description:
required: yes
forwarders:
description:
required: yes
no_forwarders:
description:
required: yes
auto_forwarders:
description:
required: yes
forward_policy:
description:
required: yes
enable_compat:
description:
required: yes
netbios_name:
description:
required: yes
rid_base:
description:
required: yes
secondary_rid_base:
description:
required: yes
setup_ca:
description:
required: yes
_hostname_overridden:
description:
required: yes
author:
- Thomas Woerner
'''
EXAMPLES = '''
'''
RETURN = '''
'''
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ansible_ipa_replica import *
def main():
ansible_module = AnsibleModule(
argument_spec = dict(
### basic ###
dm_password=dict(required=False, no_log=True),
password=dict(required=False, no_log=True),
ip_addresses=dict(required=False, type='list', default=[]),
domain=dict(required=False),
realm=dict(required=False),
hostname=dict(required=False),
principal=dict(required=True),
ca_cert_files=dict(required=False, type='list', default=[]),
no_host_dns=dict(required=False, type='bool', default=False),
### server ###
setup_adtrust=dict(required=False, type='bool'),
setup_ca=dict(required=False, type='bool'),
setup_kra=dict(required=False, type='bool'),
setup_dns=dict(required=False, type='bool'),
### ssl certificate ###
dirsrv_cert_files=dict(required=False, type='list', default=[]),
dirsrv_pin=dict(required=False),
http_cert_files=dict(required=False, type='list', default=[]),
http_pin=dict(required=False),
pkinit_cert_files=dict(required=False, type='list', default=[]),
pkinit_pin=dict(required=False),
### client ###
keytab=dict(required=False),
mkhomedir=dict(required=False, type='bool'),
force_join=dict(required=False, type='bool'),
no_ntp=dict(required=False, type='bool'),
ssh_trust_dns=dict(required=False, type='bool'),
no_ssh=dict(required=False, type='bool'),
no_sshd=dict(required=False, type='bool'),
no_dns_sshfp=dict(required=False, type='bool'),
### certificate system ###
#subject_base=dict(required=False),
### dns ###
allow_zone_overlap=dict(required=False, type='bool', default=False),
reverse_zones=dict(required=False,type='list',default=[]),
no_reverse=dict(required=False, type='bool', default=False),
auto_reverse=dict(required=False, type='bool', default=False),
forwarders=dict(required=False, type='list', default=[]),
no_forwarders=dict(required=False, type='bool', default=False),
auto_forwarders=dict(required=False, type='bool', default=False),
forward_policy=dict(default=None, choices=['first', 'only']),
no_dnssec_validation=dict(required=False, type='bool',
default=False),
### ad trust ###
enable_compat=dict(required=False, type='bool', default=False),
netbios_name=dict(required=False),
rid_base=dict(required=False, type='int', default=1000),
secondary_rid_base=dict(required=False, type='int',
default=100000000),
### additional ###
server=dict(required=True),
skip_conncheck=dict(required=False, type='bool'),
),
supports_check_mode = True,
)
ansible_module._ansible_debug = True
ansible_log = AnsibleModuleLog(ansible_module)
# get parameters #
options.dm_password = ansible_module.params.get('dm_password')
options.password = options.dm_password
options.admin_password = ansible_module.params.get('password')
options.ip_addresses = ansible_module_get_parsed_ip_addresses(
ansible_module)
options.domain_name = ansible_module.params.get('domain')
options.realm_name = ansible_module.params.get('realm')
options.host_name = ansible_module.params.get('hostname')
options.principal = ansible_module.params.get('principal')
options.ca_cert_files = ansible_module.params.get('ca_cert_files')
options.no_host_dns = ansible_module.params.get('no_host_dns')
### server ###
options.setup_adtrust = ansible_module.params.get('setup_adtrust')
options.setup_ca = ansible_module.params.get('setup_ca')
options.setup_kra = ansible_module.params.get('setup_kra')
options.setup_dns = ansible_module.params.get('setup_dns')
### ssl certificate ###
options.dirsrv_cert_files = ansible_module.params.get('dirsrv_cert_files')
options.http_cert_files = ansible_module.params.get('http_cert_files')
options.pkinit_cert_files = ansible_module.params.get('pkinit_cert_files')
### client ###
options.keytab = ansible_module.params.get('keytab')
options.mkhomedir = ansible_module.params.get('mkhomedir')
options.force_join = ansible_module.params.get('force_join')
options.no_ntp = ansible_module.params.get('no_ntp')
options.ssh_trust_dns = ansible_module.params.get('ssh_trust_dns')
options.no_ssh = ansible_module.params.get('no_ssh')
options.no_sshd = ansible_module.params.get('no_sshd')
options.no_dns_sshfp = ansible_module.params.get('no_dns_sshfp')
### certificate system ###
options.external_ca = ansible_module.params.get('external_ca')
options.external_cert_files = ansible_module.params.get(
'external_cert_files')
#options.subject_base = ansible_module.params.get('subject_base')
#options.ca_subject = ansible_module.params.get('ca_subject')
options.no_dnssec_validation = ansible_module.params.get('no_dnssec_validation')
### dns ###
options.allow_zone_overlap = ansible_module.params.get('allow_zone_overlap')
options.reverse_zones = ansible_module.params.get('reverse_zones')
options.no_reverse = ansible_module.params.get('no_reverse')
options.auto_reverse = ansible_module.params.get('auto_reverse')
options.forwarders = ansible_module.params.get('forwarders')
options.no_forwarders = ansible_module.params.get('no_forwarders')
options.auto_forwarders = ansible_module.params.get('auto_forwarders')
options.forward_policy = ansible_module.params.get('forward_policy')
options.no_dnssec_validation = ansible_module.params.get(
'no_dnssec_validationdnssec_validation')
### ad trust ###
options.enable_compat = ansible_module.params.get('enable_compat')
options.netbios_name = ansible_module.params.get('netbios_name')
options.rid_base = ansible_module.params.get('rid_base')
options.secondary_rid_base = ansible_module.params.get('secondary_rid_base')
### additional ###
#options._host_name_overridden = ansible_module.params.get(
# '_hostname_overridden')
options.server = ansible_module.params.get('server')
options.skip_conncheck = ansible_module.params.get('skip_conncheck')
# init #
fstore = sysrestore.FileStore(paths.SYSRESTORE)
sstore = sysrestore.StateFile(paths.SYSRESTORE)
# prepare (install prepare, install checks) #
##########################################################################
# replica promote_check ##################################################
##########################################################################
ansible_log.debug("== PROMOTE CHECK ==")
#ansible_log.debug("-- NO_NTP --") # already done in test
## check selinux status, http and DS ports, NTP conflicting services
#common_check(options.no_ntp)
installer._enrollment_performed = False
installer._top_dir = tempfile.mkdtemp("ipa")
#with ipautil.private_ccache():
dir_path = tempfile.mkdtemp(prefix='krbcc')
os.environ['KRB5CCNAME'] = os.path.join(dir_path, 'ccache')
ansible_log.debug("-- API --")
env = Env()
env._bootstrap(context='installer', confdir=paths.ETC_IPA, log=None)
env._finalize_core(**dict(constants.DEFAULT_CONFIG))
# pylint: disable=no-member
xmlrpc_uri = 'https://{}/ipa/xml'.format(ipautil.format_netloc(env.host))
if hasattr(ipaldap, "realm_to_ldapi_uri"):
realm_to_ldapi_uri = ipaldap.realm_to_ldapi_uri
else:
realm_to_ldapi_uri = installutils.realm_to_ldapi_uri
api.bootstrap(in_server=True,
context='installer',
confdir=paths.ETC_IPA,
ldap_uri=realm_to_ldapi_uri(env.realm),
xmlrpc_uri=xmlrpc_uri)
# pylint: enable=no-member
api.finalize()
ansible_log.debug("-- REPLICA_CONFIG --")
config = ReplicaConfig()
config.realm_name = api.env.realm
config.host_name = api.env.host
config.domain_name = api.env.domain
config.master_host_name = api.env.server
if not api.env.ca_host or api.env.ca_host == api.env.host:
# ca_host has not been configured explicitly, prefer source master
config.ca_host_name = api.env.server
else:
# default to ca_host from IPA config
config.ca_host_name = api.env.ca_host
config.kra_host_name = config.ca_host_name
config.ca_ds_port = 389
config.setup_ca = options.setup_ca
config.setup_kra = options.setup_kra
config.dir = installer._top_dir
config.basedn = api.env.basedn
#config.hidden_replica = options.hidden_replica
# load and check certificates #
ansible_log.debug("-- CERT_FILES --")
http_pkcs12_file = None
http_pkcs12_info = None
http_ca_cert = None
dirsrv_pkcs12_file = None
dirsrv_pkcs12_info = None
dirsrv_ca_cert = None
pkinit_pkcs12_file = None
pkinit_pkcs12_info = None
pkinit_ca_cert = None
if options.http_cert_files:
ansible_log.debug("-- HTTP_CERT_FILES --")
if options.http_pin is None:
ansible_module.fail_json(msg=
"Apache Server private key unlock password required")
http_pkcs12_file, http_pin, http_ca_cert = load_pkcs12(
cert_files=options.http_cert_files,
key_password=options.http_pin,
key_nickname=options.http_cert_name,
ca_cert_files=options.ca_cert_files,
host_name=config.host_name)
http_pkcs12_info = (http_pkcs12_file.name, http_pin)
if options.dirsrv_cert_files:
ansible_log.debug("-- DIRSRV_CERT_FILES --")
if options.dirsrv_pin is None:
ansible_module.fail_json(msg=
"Directory Server private key unlock password required")
dirsrv_pkcs12_file, dirsrv_pin, dirsrv_ca_cert = load_pkcs12(
cert_files=options.dirsrv_cert_files,
key_password=options.dirsrv_pin,
key_nickname=options.dirsrv_cert_name,
ca_cert_files=options.ca_cert_files,
host_name=config.host_name)
dirsrv_pkcs12_info = (dirsrv_pkcs12_file.name, dirsrv_pin)
if options.pkinit_cert_files:
ansible_log.debug("-- PKINIT_CERT_FILES --")
if options.pkinit_pin is None:
ansible_module.fail_json(msg=
"Kerberos KDC private key unlock password required")
pkinit_pkcs12_file, pkinit_pin, pkinit_ca_cert = load_pkcs12(
cert_files=options.pkinit_cert_files,
key_password=options.pkinit_pin,
key_nickname=options.pkinit_cert_name,
ca_cert_files=options.ca_cert_files,
realm_name=config.realm_name)
pkinit_pkcs12_info = (pkinit_pkcs12_file.name, pkinit_pin)
if (options.http_cert_files and options.dirsrv_cert_files and
http_ca_cert != dirsrv_ca_cert):
ansible_module.fail_json(
msg="Apache Server SSL certificate and Directory "
"Server SSL certificate are not signed by the same"
" CA certificate")
if (options.http_cert_files and
options.pkinit_cert_files and
http_ca_cert != pkinit_ca_cert):
ansible_module.fail_json(
msg="Apache Server SSL certificate and PKINIT KDC "
"certificate are not signed by the same CA "
"certificate")
ansible_log.debug("-- FQDN --")
installutils.verify_fqdn(config.host_name, options.no_host_dns)
installutils.verify_fqdn(config.master_host_name, options.no_host_dns)
ansible_log.debug("-- KINIT_KEYTAB --")
ccache = os.environ['KRB5CCNAME']
kinit_keytab('host/{env.host}@{env.realm}'.format(env=api.env),
paths.KRB5_KEYTAB,
ccache)
ansible_log.debug("-- CA_CRT --")
cafile = paths.IPA_CA_CRT
if not os.path.isfile(cafile):
ansible_module.fail_json(
msg="CA cert file is not available! Please reinstall"
"the client and try again.")
ansible_log.debug("-- REMOTE_API --")
ldapuri = 'ldaps://%s' % ipautil.format_netloc(config.master_host_name)
xmlrpc_uri = 'https://{}/ipa/xml'.format(
ipautil.format_netloc(config.master_host_name))
remote_api = create_api(mode=None)
remote_api.bootstrap(in_server=True,
context='installer',
confdir=paths.ETC_IPA,
ldap_uri=ldapuri,
xmlrpc_uri=xmlrpc_uri)
remote_api.finalize()
installer._remote_api = remote_api
ansible_log.debug("-- RPC_CLIENT --")
with rpc_client(remote_api) as client:
check_remote_version(client, parse_version(api.env.version))
check_remote_fips_mode(client, api.env.fips_mode)
conn = remote_api.Backend.ldap2
replman = None
try:
ansible_log.debug("-- CONNECT --")
# Try out authentication
conn.connect(ccache=ccache)
replman = ReplicationManager(config.realm_name,
config.master_host_name, None)
ansible_log.debug("-- CHECK IPA_DOMAIN --")
promotion_check_ipa_domain(conn, remote_api.env.basedn)
ansible_log.debug("-- CHECK DOMAIN_LEVEL --")
# Make sure that domain fulfills minimal domain level
# requirement
domain_level = current_domain_level(remote_api)
check_domain_level_is_supported(domain_level)
if domain_level < constants.MIN_DOMAIN_LEVEL:
ansible_module.fail_json(
msg=
"Cannot promote this client to a replica. The domain level "
"must be raised to {mindomainlevel} before the replica can be "
"installed".format(
mindomainlevel=constants.MIN_DOMAIN_LEVEL))
ansible_log.debug("-- CHECK AUTHORIZATION --")
# Check authorization
result = remote_api.Command['hostgroup_find'](
cn=u'ipaservers',
host=[unicode(api.env.host)]
)['result']
add_to_ipaservers = not result
ansible_log.debug("-- ADD_TO_IPASERVERS --")
if add_to_ipaservers:
if options.password and not options.admin_password:
raise errors.ACIError(info="Not authorized")
if installer._ccache is None:
del os.environ['KRB5CCNAME']
else:
os.environ['KRB5CCNAME'] = installer._ccache
try:
installutils.check_creds(options, config.realm_name)
installer._ccache = os.environ.get('KRB5CCNAME')
finally:
os.environ['KRB5CCNAME'] = ccache
conn.disconnect()
conn.connect(ccache=installer._ccache)
try:
result = remote_api.Command['hostgroup_show'](
u'ipaservers',
all=True,
rights=True
)['result']
if 'w' not in result['attributelevelrights']['member']:
raise errors.ACIError(info="Not authorized")
finally:
ansible_log.debug("-- RECONNECT --")
conn.disconnect()
conn.connect(ccache=ccache)
ansible_log.debug("-- CHECK FOR REPLICATION AGREEMENT --")
# Check that we don't already have a replication agreement
if replman.get_replication_agreement(config.host_name):
msg = ("A replication agreement for this host already exists. "
"It needs to be removed.\n"
"Run this command:\n"
" %% ipa-replica-manage del {host} --force"
.format(host=config.host_name))
raise ScriptError(msg, rval=3)
ansible_log.debug("-- DETECT REPLICATION MANAGER GROUP --")
# Detect if the other master can handle replication managers
# cn=replication managers,cn=sysaccounts,cn=etc,$SUFFIX
dn = DN(('cn', 'replication managers'), ('cn', 'sysaccounts'),
('cn', 'etc'), ipautil.realm_to_suffix(config.realm_name))
try:
conn.get_entry(dn)
except errors.NotFound:
msg = ("The Replication Managers group is not available in "
"the domain. Replica promotion requires the use of "
"Replication Managers to be able to replicate data. "
"Upgrade the peer master or use the ipa-replica-prepare "
"command on the master and use a prep file to install "
"this replica.")
logger.error("%s", msg)
raise ScriptError(rval=3)
ansible_log.debug("-- CHECK DNS_MASTERS --")
dns_masters = remote_api.Object['dnsrecord'].get_dns_masters()
if dns_masters:
if not options.no_host_dns:
logger.debug('Check forward/reverse DNS resolution')
resolution_ok = (
check_dns_resolution(config.master_host_name,
dns_masters) and
check_dns_resolution(config.host_name, dns_masters))
if not resolution_ok and installer.interactive:
if not ipautil.user_input("Continue?", False):
raise ScriptError(rval=0)
else:
logger.debug('No IPA DNS servers, '
'skipping forward/reverse resolution check')
ansible_log.debug("-- GET_IPA_CONFIG --")
entry_attrs = conn.get_ipa_config()
subject_base = entry_attrs.get('ipacertificatesubjectbase', [None])[0]
if subject_base is not None:
config.subject_base = DN(subject_base)
ansible_log.debug("-- SEARCH FOR CA --")
# Find if any server has a CA
if not hasattr(service, "find_providing_server"):
_host = [config.ca_host_name]
else:
_host = config.ca_host_name
ca_host = find_providing_server('CA', conn, _host)
if ca_host is not None:
config.ca_host_name = ca_host
ca_enabled = True
if options.dirsrv_cert_files:
logger.error("Certificates could not be provided when "
"CA is present on some master.")
raise ScriptError(rval=3)
else:
if options.setup_ca:
logger.error("The remote master does not have a CA "
"installed, can't set up CA")
raise ScriptError(rval=3)
ca_enabled = False
if not options.dirsrv_cert_files:
logger.error("Cannot issue certificates: a CA is not "
"installed. Use the --http-cert-file, "
"--dirsrv-cert-file options to provide "
"custom certificates.")
raise ScriptError(rval=3)
ansible_log.debug("-- SEARCH FOR KRA --")
if not hasattr(service, "find_providing_server"):
_host = [config.kra_host_name]
else:
_host = config.kra_host_name
kra_host = find_providing_server('KRA', conn, _host)
if kra_host is not None:
config.kra_host_name = kra_host
kra_enabled = True
else:
if options.setup_kra:
logger.error("There is no active KRA server in the domain, "
"can't setup a KRA clone")
raise ScriptError(rval=3)
kra_enabled = False
ansible_log.debug("-- CHECK CA --")
if ca_enabled:
options.realm_name = config.realm_name
options.host_name = config.host_name
ca.install_check(False, config, options)
ansible_log.debug(" ca.external_cert_file=%s" % repr(ca.external_cert_file))
ansible_log.debug(" ca.external_ca_file=%s" % repr(ca.external_ca_file))
# TODO
# TODO
# Save global vars external_cert_file, external_ca_file for
# later use
# TODO
# TODO
ansible_log.debug("-- CHECK KRA --")
if kra_enabled:
try:
kra.install_check(remote_api, config, options)
except RuntimeError as e:
raise ScriptError(e)
ansible_log.debug("-- CHECK DNS --")
if options.setup_dns:
dns.install_check(False, remote_api, True, options,
config.host_name)
config.ips = dns.ip_addresses
else:
config.ips = installutils.get_server_ip_address(
config.host_name, not installer.interactive,
False, options.ip_addresses)
# check addresses here, dns module is doing own check
no_matching_interface_for_ip_address_warning(config.ips)
ansible_log.debug("-- CHECK ADTRUST --")
if options.setup_adtrust:
adtrust.install_check(False, options, remote_api)
except errors.ACIError:
logger.debug("%s", traceback.format_exc())
raise ScriptError("\nInsufficient privileges to promote the server."
"\nPossible issues:"
"\n- A user has insufficient privileges"
"\n- This client has insufficient privileges "
"to become an IPA replica")
except errors.LDAPError:
logger.debug("%s", traceback.format_exc())
raise ScriptError("\nUnable to connect to LDAP server %s" %
config.master_host_name)
finally:
if replman and replman.conn:
ansible_log.debug("-- UNBIND REPLMAN--")
replman.conn.unbind()
if conn.isconnected():
ansible_log.debug("-- DISCONNECT --")
conn.disconnect()
ansible_log.debug("-- CHECK CONNECTION --")
# check connection
if not options.skip_conncheck:
if add_to_ipaservers:
# use user's credentials when the server host is not ipaservers
if installer._ccache is None:
del os.environ['KRB5CCNAME']
else:
os.environ['KRB5CCNAME'] = installer._ccache
try:
with redirect_stdout(ansible_log):
replica_conn_check(
config.master_host_name, config.host_name,
config.realm_name, options.setup_ca, 389,
options.admin_password, principal=options.principal,
ca_cert_file=cafile)
except ScriptError as e:
ansible_module.fail_json(msg=str(e))
finally:
if add_to_ipaservers:
os.environ['KRB5CCNAME'] = ccache
if hasattr(tasks, "configure_pkcs11_modules"):
if tasks.configure_pkcs11_modules(fstore):
ansible_log.info("Disabled p11-kit-proxy")
installer._ca_enabled = ca_enabled
installer._kra_enabled = kra_enabled
installer._ca_file = cafile
installer._fstore = fstore
installer._sstore = sstore
installer._config = config
installer._add_to_ipaservers = add_to_ipaservers
# done #
ansible_module.exit_json(changed=True,
ccache=ccache,
installer_ccache=installer._ccache,
subject_base=str(config.subject_base),
forward_policy=options.forward_policy,
_ca_enabled=ca_enabled,
_ca_subject=str(options._ca_subject),
_subject_base=str(options._subject_base) if options._subject_base is not None else None,
_kra_enabled=kra_enabled,
_ca_file=cafile,
_top_dir=installer._top_dir,
_add_to_ipaservers=add_to_ipaservers,
_dirsrv_pkcs12_file=dirsrv_pkcs12_file,
_dirsrv_pkcs12_info=dirsrv_pkcs12_info,
_dirsrv_ca_cert=dirsrv_ca_cert,
_http_pkcs12_file=http_pkcs12_file,
_http_pkcs12_info=http_pkcs12_info,
_http_ca_cert=http_ca_cert,
_pkinit_pkcs12_file=pkinit_pkcs12_file,
_pkinit_pkcs12_info=pkinit_pkcs12_info,
_pkinit_ca_cert=pkinit_ca_cert,
no_dnssec_validation=options.no_dnssec_validation,
config_setup_ca=config.setup_ca,
config_master_host_name=config.master_host_name,
config_ca_host_name=config.ca_host_name,
config_kra_host_name=config.kra_host_name,
config_ips=[ str(ip) for ip in config.ips ],
### ad trust ###
rid_base=options.rid_base,
secondary_rid_base=options.secondary_rid_base,
adtrust_netbios_name=adtrust.netbios_name,
adtrust_reset_netbios_name=adtrust.reset_netbios_name)
if __name__ == '__main__':
main()