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(Updated Oct. 22, 2014, 2:14 p.m.) Review request for Aurora, Bill Farner and Zameer Manji. Changes ------- Fix grammar in description. Bugs: AURORA-876 https://issues.apache.org/jira/browse/AURORA-876 Repository: aurora Description (updated) ------- Use virtualenv to build pants instead of pex. The goal of this change is to reduce CI flakiness by using `pip install` rather than `pex` to bootstrap pants. This still reaches out to external servers (and thus has the potential to be flaky) but is at least configurable (via `--default-timeout`). In a future review we can consider mirroring to svn.apache.org and disabling PyPI lookups. This requires a change to production executor code to use `sys.executable` rather than chmod+x-ing the runner PEX. Failure to do this results in the pants virtualenv's `site-packages` shadowing the dependencies in the `pex` (fairly obviously as there is a test failure related to psutil1/2 conflicts). I'm sure I'm papering over a PEX bug here but IMO this is fine as the only reason for it is to execute the thermos runner PEX under a different python interpreter than the executor is using (based on the hash-bang in the pex). This is not a configuration we need to support IMO. Diffs ----- pants 168419d7d8f5d89a0d87bfc6ac9f06c9e8e3dbc2 src/main/python/apache/aurora/executor/thermos_task_runner.py f17910826c31c5bf754b43eb72500de639652f37 Diff: https://reviews.apache.org/r/27009/diff/ Testing ------- git clean -fdx ./pants src/test/python:all Thanks, Kevin Sweeney