[GitHub] wohali opened a new pull request #514: Add auto log uploader for CI workflow

[gi...@git.apache.org]

wohali opened a new pull request #514: Add auto log uploader for CI workflow
URL: https://github.com/apache/couchdb/pull/514
 
 
   ## Overview
   
   This commit is intended to improve failure analysis in Travis and
   Jenkins runs by uploading couch log files after failed test runs.
   
   A new script has been added that, upon invocation from the top-level
   directory, tars up all EUnit logfiles and the `dev/logs/node1.log` file.
   It then constructs a document based on the running environment (Travis,
   Jenkins, manual). The document is posted to a CouchDB instance running
   on couchdb-vm.apache.org with credentials passed in the COUCHAUTH
   environment variable.
   
   The `.travis.yml` file has been updated to install the script's
   prerequisites (python-requests) and with the secret credentials, and to
   instruct travis to run the log uploader after any test failure. Similar
   steps will be taken to reconfigure Jenkins after these changes are
   merged to master.
   
   The `test/javascript/run` harness had to be modified to terminate after
   the first failure. This is because each new test wipes the logfile of
   the previous run. All tests can still be run, regardless of failure, by
   specifing the `-a/--all` flag, however it is expected that the reduction
   in test suite execution time when a test fails will be appreciated by
   many.
   
   ## Testing recommendations
   
   In the process of preparing this branch, Travis has already run multiple
   times. I used a now-reverted checkin on the branch that forced a test
   to fail to validate that the script worked correctly. One such build is:
   
   https://travis-ci.org/apache/couchdb/builds/230990140
   
   Interestingly, one of the jobs in that run actually encountered a new
   test case failure:
   
   https://travis-ci.org/apache/couchdb/jobs/230990141
   
   For the duration of this PR, you can access the uploaded logs with
   the username/password combination `guest:guest`. After merging,
   CouchDB devs will be given access individually as desired and the
   guest login will be disabled.
   
   ## JIRA issue number
   
   Take your pick of any JIRA ticket on which there is a currently failing test that we can't diagnose because the couch logfiles are missing.
   
   ## Checklist
   
   - [ ] Code is written and works correctly;
   - [ ] Changes are covered by tests;
   - [ ] Documentation reflects the changes;
   - [ ] I will not forget to update [rebar.config.script](https://github.com/apache/couchdb/blob/master/rebar.config.script)
         with the correct commit hash once this PR get merged.
   
 
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