83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
# Copyright (c) 2018 OpenStack Contributors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import six.moves.urllib.parse as urlparse
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from sahara import exceptions as ex
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from sahara.i18n import _
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from sahara.service.edp.data_sources.base import DataSourceType
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from sahara.service.edp import s3_common
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from sahara.utils import types
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class S3Type(DataSourceType):
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configs_map = {"accesskey": s3_common.S3_ACCESS_KEY_CONFIG,
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"secretkey": s3_common.S3_SECRET_KEY_CONFIG,
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"endpoint": s3_common.S3_ENDPOINT_CONFIG,
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"bucket_in_path": s3_common.S3_BUCKET_IN_PATH_CONFIG,
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"ssl": s3_common.S3_SSL_CONFIG}
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bool_keys = ["bucket_in_path",
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"ssl"]
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def validate(self, data):
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self._validate_url(data['url'])
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# Do validation loosely, and don't require much... the user might have
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# (by their own preference) set some or all configs manually
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if "credentials" not in data:
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return
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for key in data["credentials"].keys():
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if key not in self.configs_map.keys():
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raise ex.InvalidDataException(
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_("Unknown config '%s' for S3 data source") % key)
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if key in self.bool_keys:
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if not isinstance(data["credentials"][key], bool):
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raise ex.InvalidDataException(
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_("Config '%s' must be boolean") % key)
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def _validate_url(self, url):
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if len(url) == 0:
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raise ex.InvalidDataException(_("S3 url must not be empty"))
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url = urlparse.urlparse(url)
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if url.scheme != "s3a":
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raise ex.InvalidDataException(_("URL scheme must be 's3a'"))
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if not url.hostname:
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raise ex.InvalidDataException(_("Bucket name must be present"))
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if not url.path:
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raise ex.InvalidDataException(_("Object name must be present"))
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def prepare_cluster(self, data_source, cluster, **kwargs):
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if hasattr(data_source, "credentials"):
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job_configs = kwargs.pop('job_configs')
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if isinstance(job_configs, types.FrozenDict):
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return
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if job_configs.get('configs', None) is None:
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return
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creds = data_source.credentials
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job_conf = job_configs['configs']
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for config_name, s3a_cfg_name in self.configs_map.items():
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if job_conf.get(s3a_cfg_name, None) is None: # no overwrite
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if creds.get(config_name, None) is not None:
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job_conf[s3a_cfg_name] = creds[config_name]
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