def _check_dns_data(dns):
# Get data
nameservers = dns['nameservers']
idns_nameservers_list = []
dns_nameservers = ""
MAX_S = 3
if 'forisystemid' in dns.keys():
ntp_list = pecan.request.dbapi.intp_get_by_isystem(dns['forisystemid'])
else:
ntp_list = pecan.request.dbapi.intp_get_by_isystem(dns['isystem_uuid'])
if nameservers:
for nameservers in [n.strip() for n in nameservers.split(',')]:
# Semantic check each server as IP
try:
idns_nameservers_list.append(str(IPAddress(nameservers)))
except (AddrFormatError, ValueError):
if nameservers == 'NC':
idns_nameservers_list.append(str(""))
break
raise wsme.exc.ClientSideError(
_("Invalid DNS nameserver target address %s "
"Please configure a valid DNS "
"address.") % (nameservers))
if len(idns_nameservers_list) == 0 or idns_nameservers_list == [""]:
if ntp_list:
if hasattr(ntp_list[0], 'ntpservers'):
if ntp_list[0].ntpservers:
for ntpserver in [
n.strip()
for n in ntp_list[0].ntpservers.split(',')
]:
try:
str(IPAddress(ntpserver))
except (AddrFormatError, ValueError):
if utils.is_valid_hostname(ntpserver):
raise wsme.exc.ClientSideError(
_("At least one DNS server must be used "
"when any NTP server address is using "
"FQDN. Alternatively, use IPv4 or IPv6 for"
"NTP server address and then delete DNS "
"servers."))
if len(idns_nameservers_list) > MAX_S:
raise wsme.exc.ClientSideError(
_("Maximum DNS nameservers supported: %s but provided: %s. "
"Please configure a valid list of DNS nameservers." %
(MAX_S, len(idns_nameservers_list))))
dns_nameservers = ",".join(idns_nameservers_list)
dns['nameservers'] = dns_nameservers
return dns
def _check_ntp_data(op, ntp):
# Get data
ntpservers = ntp['ntpservers']
intp_ntpservers_list = []
idns_nameservers_list = []
MAX_S = 3
dns_list = pecan.request.dbapi.idns_get_by_isystem(ntp['forisystemid'])
if dns_list:
if hasattr(dns_list[0], 'nameservers'):
if dns_list[0].nameservers:
idns_nameservers_list = dns_list[0].nameservers.split(',')
if ntpservers:
for ntpserver in [n.strip() for n in ntpservers.split(',')]:
# Semantic check each server as IP
try:
intp_ntpservers_list.append(str(IPAddress(ntpserver)))
except (AddrFormatError, ValueError):
if utils.is_valid_hostname(ntpserver):
# If server address in FQDN, and no DNS servers,
# raise error
if len(idns_nameservers_list) == 0 and ntpserver != 'NC':
raise wsme.exc.ClientSideError(
_("A DNS server must be configured prior to "
"configuring any NTP server address as FQDN. "
"Alternatively, specify the NTP server as an IP"
" address"))
else:
if ntpserver == 'NC':
intp_ntpservers_list.append(str(""))
else:
intp_ntpservers_list.append(str(ntpserver))
else:
raise wsme.exc.ClientSideError(
_("Invalid NTP server %s "
"Please configure a valid NTP "
"IP address or hostname.") % ntpserver)
if len(intp_ntpservers_list) == 0:
raise wsme.exc.ClientSideError(_("No NTP parameters provided."))
if len(intp_ntpservers_list) > MAX_S:
raise wsme.exc.ClientSideError(
_("Maximum NTP servers supported: %s but provided: %s. "
"Please configure a valid list of NTP servers." %
(MAX_S, len(intp_ntpservers_list))))
ntp_ntpservers = ",".join(intp_ntpservers_list)
ntp['ntpservers'] = ntp_ntpservers
return ntp
def _validate_name(self):
if self.name:
# follows the same naming convention as a host name since it
# typically contains the hostname with a network type suffix
utils.is_valid_hostname(self.name)