156 lines
4.8 KiB
Python
156 lines
4.8 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import croniter
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import eventlet
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import netaddr
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import pytz
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import six
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from oslo_utils import netutils
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from oslo_utils import timeutils
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from heat.common.i18n import _
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from heat.common import netutils as heat_netutils
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from heat.engine import constraints
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class TestConstraintDelay(constraints.BaseCustomConstraint):
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def validate_with_client(self, client, value):
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eventlet.sleep(value)
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class IPConstraint(constraints.BaseCustomConstraint):
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def validate(self, value, context, template=None):
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self._error_message = 'Invalid IP address'
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return netutils.is_valid_ip(value)
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class MACConstraint(constraints.BaseCustomConstraint):
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def validate(self, value, context, template=None):
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self._error_message = 'Invalid MAC address.'
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return netaddr.valid_mac(value)
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class DNSNameConstraint(constraints.BaseCustomConstraint):
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def validate(self, value, context):
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try:
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heat_netutils.validate_dns_format(value)
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except ValueError as ex:
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self._error_message = ("'%(value)s' not in valid format."
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" Reason: %(reason)s") % {
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'value': value,
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'reason': six.text_type(ex)}
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return False
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return True
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class RelativeDNSNameConstraint(DNSNameConstraint):
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def validate(self, value, context):
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if not value:
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return True
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if value.endswith('.'):
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self._error_message = _("'%s' is a FQDN. It should be a "
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"relative domain name.") % value
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return False
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length = len(value)
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if length > heat_netutils.FQDN_MAX_LEN - 3:
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self._error_message = _("'%(value)s' contains '%(length)s' "
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"characters. Adding a domain name will "
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"cause it to exceed the maximum length "
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"of a FQDN of '%(max_len)s'.") % {
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"value": value,
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"length": length,
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"max_len": heat_netutils.FQDN_MAX_LEN}
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return False
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return super(RelativeDNSNameConstraint, self).validate(value, context)
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class DNSDomainConstraint(DNSNameConstraint):
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def validate(self, value, context):
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if not value:
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return True
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if not super(DNSDomainConstraint, self).validate(value, context):
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return False
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if not value.endswith('.'):
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self._error_message = ("'%s' must end with '.'.") % value
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return False
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return True
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class CIDRConstraint(constraints.BaseCustomConstraint):
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def _validate_whitespace(self, data):
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self._error_message = ("Invalid net cidr '%s' contains "
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"whitespace" % data)
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if len(data.split()) > 1:
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return False
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return True
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def validate(self, value, context, template=None):
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try:
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netaddr.IPNetwork(value)
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return self._validate_whitespace(value)
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except Exception as ex:
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self._error_message = 'Invalid net cidr %s ' % six.text_type(ex)
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return False
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class ISO8601Constraint(constraints.BaseCustomConstraint):
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def validate(self, value, context, template=None):
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try:
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timeutils.parse_isotime(value)
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except Exception:
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return False
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else:
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return True
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class CRONExpressionConstraint(constraints.BaseCustomConstraint):
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def validate(self, value, context, template=None):
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if not value:
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return True
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try:
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croniter.croniter(value)
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return True
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except Exception as ex:
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self._error_message = _(
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'Invalid CRON expression: %s') % six.text_type(ex)
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return False
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class TimezoneConstraint(constraints.BaseCustomConstraint):
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def validate(self, value, context, template=None):
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if not value:
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return True
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try:
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pytz.timezone(value)
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return True
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except Exception as ex:
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self._error_message = _(
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'Invalid timezone: %s') % six.text_type(ex)
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return False
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