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Published: Aug 16, 2016 License: MIT Imports: 21 Imported by: 0


Quilt Continuous Integration

quilt-tester runs quilt using the official quilt/quilt Docker image and ssh's into each of the servers and runs a test script. If the output of the test script contains "FAILED", then quilt-tester interprets this test as having failed.


setup should take care of everything.

For local instances:

cd vagrant
vagrant up && vagrant ssh
sudo ./setup # do this inside the VM

Make sure that if you're testing a fork of the project, that quilt-tester is included as a user.

On AWS, just scp the setup file over and do the same thing.

The script will ask you a couple questions to configure itself.

The IP address is used to generate links to test results.

The slack channel is used to determine where to post results. You can use @$USER (e.g. @kklin) to get the results DMd.

The "aws credentials cron" is a cron job that updates the aws credentials file every night. Only use this if you're on AWS, and IAM roles are properly setup for the host.

The Vagrantfile tries to copy your aws credentials over automatically from the host computer, so other than answering the initial questions, you shouldn't have to setup anything else.


You can trigger a new test run by sending a GET or POST request to http://$IP/cgi-bin/trigger_run.

Adding tests

Tests are written in Go and cross-compiled into an executable with the command

env GOOS=linux GOARCH=amd64 go build <TEST_NAME>.go

To add a test, place it in the tests directory. Each folder represents a test suite, which contains a spec (with the same name as the folder) and tests to run on that specific spec. For example, tests/spark runs spark.spec and checks that the Spark job approximated pi. Print "PASSED" if a test passes, and "FAILED" if a test fails. If you would like output from commands to be saved, make sure you print them (See the os/exec library for more. If you want to run the test on the master machine only, append _monly to the name of your test file.


When things break, you can take a look at the quilt-tester log. Each run saves logs to /var/www/quilt-tester/$RUN/logs.

A quick way to watch the logs is tail -f "$(\ls -1dt /var/www/quilt-tester/*/ | head -n 1)/logs/quilt-tester.log"


~/.ssh must contain a private key associated with a GitHub account for the Quilt repo. The associated public key must be in the spec file. A default key and spec is provided in the repo.

Additionally, aws credentials must be present in ~/.aws


Apache needs to be configured to serve up $WEB_ROOT as defined in tester. The setup script should handle all the details.

Modifying the testing interval

By default, the tests are automatically run every hour. You can tweak quilt-tester's crontab (using crontab -e as quilt-tester) to change the time interval.

Updating the Tester

When you update quilt-tester.go, make sure to cross-compile it (just like you would with a test file) and place it in bin/.


  • Setup post-commit hooks on Github for updating the tests folder and testing new merges
  • Package quilt-controller, quilt-minion, and quilt-tester as containers for easy deployment
  • Make sure we clean up after each test
    • Kill the minions using aws cli if the controller hangs
    • Bail early if things fail in the script
    • Assume failure if the minions don't connect after a certain timeout
  • Ping kklin on slack if the tester seems to be failing (e.g. if we're timing out)
  • Differentiate tests for master and workers?
  • Create summary of names of tests that failed
  • Do a security audit
  • Allow only one instance of quilt-tester to run per machine at a time
  • Remove the quilt-tester ssh key


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