def enroll_dl0_replica(installer, fstore, remote_api, debug=False):
"""
Do partial host enrollment in DL0:
* add host entry to remote master
* request host keytab from remote master
* configure client-like /etc/krb5.conf to enable GSSAPI auth further
down the replica installation
"""
logger.info("Enrolling host to IPA domain")
config = installer._config
hostname = config.host_name
try:
installer._enrollment_performed = True
host_result = remote_api.Command.host_add(
unicode(config.host_name), force=installer.no_host_dns
)['result']
host_princ = unicode(host_result['krbcanonicalname'][0])
purge_host_keytab(config.realm_name)
getkeytab_args = [
paths.IPA_GETKEYTAB,
'-s', config.master_host_name,
'-p', host_princ,
'-D', unicode(ipaldap.DIRMAN_DN),
'-w', config.dirman_password,
'-k', paths.KRB5_KEYTAB,
'--cacert', os.path.join(config.dir, 'ca.crt')
]
ipautil.run(getkeytab_args, nolog=(config.dirman_password,))
_hostname, _sep, host_domain = hostname.partition('.')
fstore.backup_file(paths.KRB5_CONF)
configure_krb5_conf(
config.realm_name,
config.domain_name,
[config.master_host_name],
[config.master_host_name],
False,
paths.KRB5_CONF,
host_domain,
hostname,
configure_sssd=False
)
except CalledProcessError as e:
raise RuntimeError("Failed to fetch host keytab: {}".format(e))
def enroll_dl0_replica(installer, fstore, remote_api, debug=False):
"""
Do partial host enrollment in DL0:
* add host entry to remote master
* request host keytab from remote master
* configure client-like /etc/krb5.conf to enable GSSAPI auth further
down the replica installation
"""
logger.info("Enrolling host to IPA domain")
config = installer._config
hostname = config.host_name
try:
installer._enrollment_performed = True
host_result = remote_api.Command.host_add(
unicode(config.host_name), force=installer.no_host_dns
)['result']
host_princ = unicode(host_result['krbcanonicalname'][0])
purge_host_keytab(config.realm_name)
getkeytab_args = [
paths.IPA_GETKEYTAB,
'-s', config.master_host_name,
'-p', host_princ,
'-D', unicode(ipaldap.DIRMAN_DN),
'-w', config.dirman_password,
'-k', paths.KRB5_KEYTAB,
'--cacert', os.path.join(config.dir, 'ca.crt')
]
ipautil.run(getkeytab_args, nolog=(config.dirman_password,))
_hostname, _sep, host_domain = hostname.partition('.')
fstore.backup_file(paths.KRB5_CONF)
configure_krb5_conf(
config.realm_name,
config.domain_name,
[config.master_host_name],
[config.master_host_name],
False,
paths.KRB5_CONF,
host_domain,
hostname,
configure_sssd=False
)
except CalledProcessError as e:
raise RuntimeError("Failed to fetch host keytab: {}".format(e))
def main():
module = AnsibleModule(
argument_spec=dict(
servers=dict(required=True, type='list'),
domain=dict(required=True),
realm=dict(required=True),
hostname=dict(required=True),
kdc=dict(required=True),
kinit_attempts=dict(required=False, type='int', default=5),
),
supports_check_mode=True,
)
module._ansible_debug = True
servers = module.params.get('servers')
domain = module.params.get('domain')
realm = module.params.get('realm')
hostname = module.params.get('hostname')
kdc = module.params.get('kdc')
kinit_attempts = module.params.get('kinit_attempts')
client_domain = hostname[hostname.find(".") + 1:]
host_principal = 'host/%s@%s' % (hostname, realm)
sssd = True
# Remove IPA_DNS_CCACHE remain if it exists
try:
os.remove(paths.IPA_DNS_CCACHE)
except OSError:
pass
krb5_keytab_ok = False
krb5_conf_ok = False
ipa_test_ok = False
ca_crt_exists = os.path.exists(paths.IPA_CA_CRT)
env = {'PATH': SECURE_PATH, 'KRB5CCNAME': paths.IPA_DNS_CCACHE}
# First try: Validate krb5 keytab with system krb5 configuraiton
try:
kinit_keytab(host_principal,
paths.KRB5_KEYTAB,
paths.IPA_DNS_CCACHE,
config=paths.KRB5_CONF,
attempts=kinit_attempts)
krb5_keytab_ok = True
krb5_conf_ok = True
# Test IPA
try:
result = run(["/usr/bin/ipa", "ping"], raiseonerr=False, env=env)
if result.returncode == 0:
ipa_test_ok = True
except OSError:
pass
except gssapi.exceptions.GSSError as e:
pass
# Second try: Validate krb5 keytab with temporary krb5
# configuration
if not krb5_conf_ok:
try:
(krb_fd, krb_name) = tempfile.mkstemp()
os.close(krb_fd)
configure_krb5_conf(cli_realm=realm,
cli_domain=domain,
cli_server=servers,
cli_kdc=kdc,
dnsok=False,
filename=krb_name,
client_domain=client_domain,
client_hostname=hostname,
configure_sssd=sssd,
force=False)
try:
kinit_keytab(host_principal,
paths.KRB5_KEYTAB,
paths.IPA_DNS_CCACHE,
config=krb_name,
attempts=kinit_attempts)
krb5_keytab_ok = True
# Test IPA
env['KRB5_CONFIG'] = krb_name
try:
result = run(["/usr/bin/ipa", "ping"],
raiseonerr=False,
env=env)
if result.returncode == 0:
ipa_test_ok = True
except OSError:
pass
except gssapi.exceptions.GSSError as e:
pass
finally:
try:
os.remove(krb_name)
except OSError:
module.fail_json(msg="Could not remove %s" % krb_name)
module.exit_json(changed=False,
krb5_keytab_ok=krb5_keytab_ok,
krb5_conf_ok=krb5_conf_ok,
ca_crt_exists=ca_crt_exists,
ipa_test_ok=ipa_test_ok)
def main():
module = AnsibleModule(
argument_spec = dict(
servers=dict(required=True, type='list'),
domain=dict(required=True),
realm=dict(required=True),
hostname=dict(required=True),
kdc=dict(required=True),
basedn=dict(required=True),
principal=dict(required=False),
password=dict(required=False, no_log=True),
keytab=dict(required=False),
ca_cert_file=dict(required=False),
force_join=dict(required=False, type='bool'),
kinit_attempts=dict(required=False, type='int', default=5),
debug=dict(required=False, type='bool'),
),
supports_check_mode = True,
)
module._ansible_debug = True
servers = module.params.get('servers')
domain = module.params.get('domain')
realm = module.params.get('realm')
hostname = module.params.get('hostname')
basedn = module.params.get('basedn')
kdc = module.params.get('kdc')
force_join = module.params.get('force_join')
principal = module.params.get('principal')
password = module.params.get('password')
keytab = module.params.get('keytab')
ca_cert_file = module.params.get('ca_cert_file')
kinit_attempts = module.params.get('kinit_attempts')
debug = module.params.get('debug')
if password is not None and password != "" and \
keytab is not None and keytab != "":
module.fail_json(msg="Password and keytab cannot be used together")
client_domain = hostname[hostname.find(".")+1:]
nolog = tuple()
env = {'PATH': SECURE_PATH}
fstore = sysrestore.FileStore(paths.IPA_CLIENT_SYSRESTORE)
host_principal = 'host/%s@%s' % (hostname, realm)
sssd = True
options.ca_cert_file = ca_cert_file
options.unattended = True
options.principal = principal if principal != "" else None
options.force = False
options.password = password
ccache_dir = None
changed = False
already_joined = False
try:
(krb_fd, krb_name) = tempfile.mkstemp()
os.close(krb_fd)
configure_krb5_conf(
cli_realm=realm,
cli_domain=domain,
cli_server=servers,
cli_kdc=kdc,
dnsok=False,
filename=krb_name,
client_domain=client_domain,
client_hostname=hostname,
configure_sssd=sssd,
force=False)
env['KRB5_CONFIG'] = krb_name
ccache_dir = tempfile.mkdtemp(prefix='krbcc')
ccache_name = os.path.join(ccache_dir, 'ccache')
join_args = [paths.SBIN_IPA_JOIN,
"-s", servers[0],
"-b", str(realm_to_suffix(realm)),
"-h", hostname]
if debug:
join_args.append("-d")
env['XMLRPC_TRACE_CURL'] = 'yes'
if force_join:
join_args.append("-f")
if principal:
if principal.find('@') == -1:
principal = '%s@%s' % (principal, realm)
try:
kinit_password(principal, password, ccache_name,
config=krb_name)
except RuntimeError as e:
module.fail_json(
msg="Kerberos authentication failed: {}".format(e))
elif keytab:
join_args.append("-f")
if os.path.exists(keytab):
try:
kinit_keytab(host_principal,
keytab,
ccache_name,
config=krb_name,
attempts=kinit_attempts)
except gssapi.exceptions.GSSError as e:
module.fail_json(
msg="Kerberos authentication failed: {}".format(e))
else:
module.fail_json(
msg="Keytab file could not be found: {}".format(keytab))
elif password:
join_args.append("-w")
join_args.append(password)
nolog = (password,)
env['KRB5CCNAME'] = os.environ['KRB5CCNAME'] = ccache_name
# Get the CA certificate
try:
os.environ['KRB5_CONFIG'] = env['KRB5_CONFIG']
if NUM_VERSION < 40100:
get_ca_cert(fstore, options, servers[0], basedn)
else:
get_ca_certs(fstore, options, servers[0], basedn, realm)
del os.environ['KRB5_CONFIG']
except errors.FileError as e:
module.fail_json(msg='%s' % e)
except Exception as e:
module.fail_json(msg="Cannot obtain CA certificate\n%s" % e)
# Now join the domain
result = run(
join_args, raiseonerr=False, env=env, nolog=nolog,
capture_error=True)
stderr = result.error_output
if result.returncode != 0:
if result.returncode == 13:
already_joined = True
module.log("Host is already joined")
else:
if principal:
run(["kdestroy"], raiseonerr=False, env=env)
module.fail_json(msg="Joining realm failed: %s" % stderr)
else:
changed = True
module.log("Enrolled in IPA realm %s" % realm)
# Fail for missing krb5.keytab on already joined host
if already_joined and not os.path.exists(paths.KRB5_KEYTAB):
module.fail_json(msg="krb5.keytab missing! Retry with ipaclient_force_join=yes to generate a new one.")
if principal:
run(["kdestroy"], raiseonerr=False, env=env)
# Obtain the TGT. We do it with the temporary krb5.conf, sot
# tha only the KDC we're installing under is contacted.
# Other KDCs might not have replicated the principal yet.
# Once we have the TGT, it's usable on any server.
try:
kinit_keytab(host_principal, paths.KRB5_KEYTAB,
paths.IPA_DNS_CCACHE,
config=krb_name,
attempts=kinit_attempts)
env['KRB5CCNAME'] = os.environ['KRB5CCNAME'] = paths.IPA_DNS_CCACHE
except gssapi.exceptions.GSSError as e:
# failure to get ticket makes it impossible to login and
# bind from sssd to LDAP, abort installation
module.fail_json(msg="Failed to obtain host TGT: %s" % e)
finally:
try:
os.remove(krb_name)
except OSError:
module.fail_json(msg="Could not remove %s" % krb_name)
if ccache_dir is not None:
try:
os.rmdir(ccache_dir)
except OSError:
pass
if os.path.exists(krb_name + ".ipabkp"):
try:
os.remove(krb_name + ".ipabkp")
except OSError:
module.fail_json(msg="Could not remove %s.ipabkp" % krb_name)
module.exit_json(changed=changed,
already_joined=already_joined)
def main():
module = AnsibleModule(
argument_spec = dict(
servers=dict(required=True, type='list'),
domain=dict(required=True),
realm=dict(required=True),
hostname=dict(required=True),
kdc=dict(required=True),
principal=dict(required=False),
kinit_attempts=dict(required=False, type='int', default=5),
),
supports_check_mode = True,
)
module._ansible_debug = True
servers = module.params.get('servers')
domain = module.params.get('domain')
realm = module.params.get('realm')
hostname = module.params.get('hostname')
kdc = module.params.get('kdc')
principal = module.params.get('principal')
kinit_attempts = module.params.get('kinit_attempts')
client_domain = hostname[hostname.find(".")+1:]
host_principal = 'host/%s@%s' % (hostname, realm)
sssd = True
krb5_keytab_ok = True
try:
(krb_fd, krb_name) = tempfile.mkstemp()
os.close(krb_fd)
configure_krb5_conf(
cli_realm=realm,
cli_domain=domain,
cli_server=servers,
cli_kdc=kdc,
dnsok=False,
filename=krb_name,
client_domain=client_domain,
client_hostname=hostname,
configure_sssd=sssd,
force=False)
# Obtain the TGT. We do it with the temporary krb5.conf, so that
# only the KDC we're installing under is contacted.
# Other KDCs might not have replicated the principal yet.
# Once we have the TGT, it's usable on any server.
try:
kinit_keytab(host_principal, paths.KRB5_KEYTAB,
paths.IPA_DNS_CCACHE,
config=krb_name,
attempts=kinit_attempts)
except gssapi.exceptions.GSSError as e:
# failure to get ticket makes it impossible to login and bind
# from sssd to LDAP, abort installation and rollback changes
krb5_keytab_ok = False
finally:
try:
os.remove(krb_name)
except OSError:
module.fail_json(msg="Could not remove %s" % krb_name)
module.exit_json(changed=False, krb5_keytab_ok=krb5_keytab_ok)