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in python 3 environment when kerberos_host_fqdn option is used In Pyhton 2, the sasl layer does not accept unicode strings, so we have to explicitly encode the kerberos_host_fqdn string to ascii. However, this is not the case in python 3, where we have to omit the encode, because if we don't do this, impala-shell wants to use the following service principal during Kerberos auth: my_service_name/b'my.kerberos.host.fqdn'@MY.REALM instead of the correct one, which is: my_service_name/my.kerberos.host.fqdn@MY.REALM (This is because the output of the encode function is a byte array in python 3.) Tested with new unit tests and with a snapshot build manually in CDP PVC DS. Change-Id: I8b157d76824ad67faf531a529256a8afe2ab9d49 Reviewed-on: http://gerrit.cloudera.org:8080/20691 Reviewed-by: Michael Smith <michael.smith@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Reviewed-by: Wenzhe Zhou <wzhou@cloudera.com>
29 lines
1.1 KiB
Python
29 lines
1.1 KiB
Python
#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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import sys
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def get_kerb_host_from_kerberos_host_fqdn(kerberos_host_fqdn):
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kerb_host = kerberos_host_fqdn.split(':')[0]
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if sys.version_info.major < 3:
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# sasl does not accept unicode strings, explicitly encode the string into ascii.
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kerb_host = kerb_host.encode('ascii', 'ignore')
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return kerb_host
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