spark-instrumented-optimizer/ec2/spark-ec2
Nicholas Chammas db45f5ad03 [SPARK-4137] [EC2] Don't change working dir on user
This issue was uncovered after [this discussion](https://issues.apache.org/jira/browse/SPARK-3398?focusedCommentId=14187471&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14187471).

Don't change the working directory on the user. This breaks relative paths the user may pass in, e.g., for the SSH identity file.

```
./ec2/spark-ec2 -i ../my.pem
```

This patch will preserve the user's current working directory and allow calls like the one above to work.

Author: Nicholas Chammas <nicholas.chammas@gmail.com>

Closes #2988 from nchammas/spark-ec2-cwd and squashes the following commits:

f3850b5 [Nicholas Chammas] pep8 fix
fbc20c7 [Nicholas Chammas] revert to old commenting style
752f958 [Nicholas Chammas] specify deploy.generic path absolutely
bcdf6a5 [Nicholas Chammas] fix typo
77871a2 [Nicholas Chammas] add clarifying comment
ce071fc [Nicholas Chammas] don't change working dir
2014-11-05 20:45:35 -08:00

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#!/bin/sh
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
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# 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.
#
# Preserve the user's CWD so that relative paths are passed correctly to
#+ the underlying Python script.
SPARK_EC2_DIR="$(dirname $0)"
PYTHONPATH="${SPARK_EC2_DIR}/third_party/boto-2.4.1.zip/boto-2.4.1:$PYTHONPATH" \
python "${SPARK_EC2_DIR}/spark_ec2.py" "$@"