deb-sahara/sahara/utils/api_validator.py
Shail Bhargava 5534c51281 Fix typo in api_validator.py
Change-Id: I24f61adfdef269dceb72ba0c5f7d694cde527ce8
2016-02-24 10:25:38 -08:00

194 lines
6.0 KiB
Python

# Copyright (c) 2013 Mirantis Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import re
import jsonschema
from oslo_utils import uuidutils
import six
import six.moves.urllib.parse as urlparse
from sahara.swift import utils as su
from sahara.utils.openstack import manila as m
@jsonschema.FormatChecker.cls_checks('valid_name_hostname')
def validate_name_hostname_format(entry):
if not isinstance(entry, six.string_types) or not entry:
# should fail type or length validation
return True
res = re.match(r"^(([a-zA-Z]|[a-zA-Z][a-zA-Z0-9\-]"
r"*[a-zA-Z0-9])\.)*([A-Za-z]|[A-Za-z]"
r"[A-Za-z0-9\-]*[A-Za-z0-9])$", entry)
return res is not None
@jsonschema.FormatChecker.cls_checks('valid_name')
def validate_name_format(entry):
if not isinstance(entry, six.string_types):
# should fail type validation
return True
res = re.match(r"^[a-zA-Z0-9][a-zA-Z0-9\-_\.]*$", entry)
return res is not None
@jsonschema.FormatChecker.cls_checks('valid_keypair_name')
def validate_keypair_name_format(entry):
if not isinstance(entry, six.string_types):
# should fail type validation
return True
# this follows the validation put forth by nova for keypair names
res = re.match(r'^[a-zA-Z0-9\-_ ]+$', entry)
return res is not None
@jsonschema.FormatChecker.cls_checks('valid_job_location')
def validate_job_location_format(entry):
if not isinstance(entry, six.string_types):
# should fail type validation
return True
if entry.startswith('internal-db://'):
return uuidutils.is_uuid_like(entry[len("internal-db://"):])
if entry.startswith(su.SWIFT_INTERNAL_PREFIX):
# TODO(nprivalova):add hostname validation
return True
if entry.startswith(m.MANILA_PREFIX):
url = urlparse.urlparse(entry)
if (uuidutils.is_uuid_like(url.netloc) and
len(url.path) > 1):
return True
return False
@jsonschema.FormatChecker.cls_checks('valid_tag')
def validate_valid_tag_format(entry):
if not isinstance(entry, six.string_types):
# should fail type validation
return True
res = re.match(r"^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-_]"
r"*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9]"
r"[A-Za-z0-9\-_]*[A-Za-z0-9])$", entry)
return res is not None
@jsonschema.FormatChecker.cls_checks('uuid')
def validate_uuid_format(entry):
if not isinstance(entry, six.string_types):
# should fail type validation
return True
return uuidutils.is_uuid_like(entry)
@jsonschema.FormatChecker.cls_checks('posix_path')
def validate_posix_path(entry):
if not isinstance(entry, six.string_types):
# should fail type validation
return True
res = re.match("^(/([A-Z]|[a-z]|[0-9]|\-|_)+)+$", entry)
return res is not None
class ConfigTypeMeta(type):
def __instancecheck__(cls, instance):
# configs should be dict
if not isinstance(instance, dict):
return False
# check dict content
for applicable_target, configs in six.iteritems(instance):
# upper-level dict keys (applicable targets) should be strings
if not isinstance(applicable_target, six.string_types):
return False
# upper-level dict values should be dicts
if not isinstance(configs, dict):
return False
# check internal dict content
for config_name, config_value in six.iteritems(configs):
# internal dict keys should be strings
if not isinstance(config_name, six.string_types):
return False
# internal dict values should be strings or integers or bools
if not isinstance(config_value,
(six.string_types, six.integer_types)):
return False
return True
class SimpleConfigTypeMeta(type):
def __instancecheck__(cls, instance):
# configs should be dict
if not isinstance(instance, dict):
return False
# check dict content
for conf_name, conf_value in six.iteritems(instance):
# keys should be strings, values should be int, string or bool
if not isinstance(conf_name, six.string_types):
return False
if not isinstance(conf_value,
(six.string_types, six.integer_types)):
return False
return True
@six.add_metaclass(ConfigTypeMeta)
class ConfigsType(dict):
pass
@six.add_metaclass(SimpleConfigTypeMeta)
class SimpleConfigsType(dict):
pass
class FlavorTypeMeta(type):
def __instancecheck__(cls, instance):
try:
int(instance)
except (ValueError, TypeError):
return (isinstance(instance, six.string_types)
and uuidutils.is_uuid_like(instance))
return (isinstance(instance, six.integer_types + six.string_types)
and type(instance) != bool)
@six.add_metaclass(FlavorTypeMeta)
class FlavorType(object):
pass
class ApiValidator(jsonschema.Draft4Validator):
def __init__(self, schema):
format_checker = jsonschema.FormatChecker()
super(ApiValidator, self).__init__(
schema, format_checker=format_checker, types={
"configs": ConfigsType,
"flavor": FlavorType,
"simple_config": SimpleConfigsType,
})