apache/spark — pull request #2872 by mvj101 (2014-10-21 06:29:49+00:00)
Title: [SPARK-3405] add subnet-id and vpc-id options to spark_ec2.py

Based on this gist:
https://gist.github.com/amar-analytx/0b62543621e1f246c0a2

We use security group ids instead of security group to get around this issue:
https://github.com/boto/boto/issues/350