42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
# Copyright (c) 2017 OpenStack Foundation
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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 hdfs_helper as h
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class HDFSType(DataSourceType):
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def validate(self, data):
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self._validate_url(data['url'])
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def _validate_url(self, url):
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if len(url) == 0:
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raise ex.InvalidDataException(_("HDFS url must not be empty"))
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url = urlparse.urlparse(url)
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if url.scheme:
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if url.scheme != "hdfs":
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raise ex.InvalidDataException(_("URL scheme must be 'hdfs'"))
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if not url.hostname:
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raise ex.InvalidDataException(
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_("HDFS url is incorrect, cannot determine a hostname"))
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def prepare_cluster(self, data_source, cluster, **kwargs):
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runtime_url = kwargs.pop('runtime_url')
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h.configure_cluster_for_hdfs(cluster, runtime_url)
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