sahara/sahara/service/validations/edp/data_source.py

99 lines
3.1 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 six.moves.urllib.parse as urlparse
import sahara.exceptions as ex
import sahara.service.validations.edp.base as b
from sahara.swift import utils as su
DATA_SOURCE_SCHEMA = {
"type": "object",
"properties": {
"name": {
"type": "string",
"minLength": 1,
"maxLength": 50,
"format": "valid_name"
},
"description": {
"type": "string"
},
"type": b.data_source_type,
"url": {
"type": "string",
},
"credentials": {
"type": "object"
}
},
"additionalProperties": False,
"required": [
"name",
"type",
"url"
]
}
def check_data_source_create(data, **kwargs):
b.check_data_source_unique_name(data['name'])
if "swift" == data["type"]:
_check_swift_data_source_create(data)
if "hdfs" == data["type"]:
_check_hdfs_data_source_create(data)
def _check_swift_data_source_create(data):
if len(data['url']) == 0:
raise ex.InvalidException("Swift url must not be empty")
url = urlparse.urlparse(data['url'])
if url.scheme != "swift":
raise ex.InvalidException("URL scheme must be 'swift'")
# The swift url suffix does not have to be included in the netloc.
# However, if the swift suffix indicator is part of the netloc then
# we require the right suffix.
# Additionally, the path must be more than '/'
if (su.SWIFT_URL_SUFFIX_START in url.netloc and not url.netloc.endswith(
su.SWIFT_URL_SUFFIX)) or len(url.path) <= 1:
raise ex.InvalidException(
"URL must be of the form swift://container%s/object"
% su.SWIFT_URL_SUFFIX)
if "credentials" not in data:
raise ex.InvalidCredentials("No credentials provided for Swift")
if "user" not in data["credentials"]:
raise ex.InvalidCredentials(
"User is not provided in credentials for Swift")
if "password" not in data["credentials"]:
raise ex.InvalidCredentials(
"Password is not provided in credentials for Swift")
def _check_hdfs_data_source_create(data):
if len(data['url']) == 0:
raise ex.InvalidException("HDFS url must not be empty")
url = urlparse.urlparse(data['url'])
if url.scheme:
if url.scheme != "hdfs":
raise ex.InvalidException("URL scheme must be 'hdfs'")
if not url.hostname:
raise ex.InvalidException("HDFS url is incorrect, "
"cannot determine a hostname")