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BugSwarm Overview

BugSwarm is a framework that enables the creation of scalable, diverse, real-world, continuously growing set of reproducible build failures and fixes from open-source projects.

The framework consist of two major components: Miner and Reproducer.

bugswarm-image-overview Datasets play an important role in the advancement of software tools and facilitate their evaluation. BugSwarm is an infrastructure to automatically create a large dataset of real-world reproducible failures and fixes

For more details:

If you use our infrastructure or dataset, please cite our paper as follows:

@inproceedings{BugSwarm-ICSE19,
  author    = {David A. Tomassi and
               Naji Dmeiri and
               Yichen Wang and
               Antara Bhowmick and
               Yen{-}Chuan Liu and
               Premkumar T. Devanbu and
               Bogdan Vasilescu and
               Cindy Rubio{-}Gonz{\'{a}}lez},
  title     = {BugSwarm: mining and continuously growing a dataset of reproducible
               failures and fixes},
  booktitle = {{ICSE}},
  pages     = {339--349},
  publisher = {{IEEE} / {ACM}},
  year      = {2019}
}

Setting up BugSwarm

You only have to follow the steps below if you want to produce your own artifacts. If you want to use BugSwarm artifact dataset, follow the client instructions or our tutorial instead.

  1. System requirements:

    • A Unix-based operating system. (BugSwarm does not support Windows.)
    • The sudo command is installed on the system.
    • You have sudo privileges on the system.
    • The system uses apt-get to manage packages (or you may need to edit provision.sh to make it work correctly / use spawner (see below)).
  2. Install the prerequisites:

  3. Clone the repository:

    $ git clone https://github.com/BugSwarm/bugswarm.git
    
  4. Set up MongoDB:

    BugSwarm provides a Docker image of MongoDB to port with the pipeline. Alternatively, you can use Dockerfile to build your own image from scratch.

    1. Pull the provided Docker image from the BugSwarm Docker Hub repo:
      $ docker pull bugswarm/containers:bugswarm-db
      $ docker tag bugswarm/containers:bugswarm-db bugswarm-db
      

    Build your own Docker image of the BugSwarm MongoDB from the source Dockerfile:

    1. Change to the database directory:
      $ cd bugswarm/database
      
    2. Build the Docker image with the tag as bugswarm-db from the Dockerfile:
      $ docker build . -t bugswarm-db
      

    Now that the Docker image is ready:

    1. Run & port the Docker container containing MongoDB:
      $ docker run -itd -p 27017:27017 -p 5000:5000 bugswarm-db
      

      Note: If multiple instances of MongoDB are running on the system, you must change the port accordingly. Please see the FAQ

      In some operating systems, this command will expose ports so that everyone from the outside world will be able to connect. To stop this, replace -p 27017:27017 -p 5000:5000 with -p 127.0.0.1:27017:27017 -p 127.0.0.1:5000:5000

    2. Get back to parent folder:
      $ cd ..
      
  5. (Recommended) Set up and run spawner (to run BugSwarm in host, go to step 6):

    Spawner is a Docker image that contain all required packages in provision.sh and can spawn pipeline jobs. If using spawner, the host only needs to install Docker.

    To understand how spawner works, please see spawner README.

    1. Pull the spawner container and update the tag:
      $ docker pull bugswarm/containers:bugswarm-spawner
      $ docker image tag bugswarm/containers:bugswarm-spawner bugswarm-spawner
      
      Alternatively, build the spawner using Docker:
      $ cd spawner
      $ docker build -t bugswarm-spawner .
    2. Run the container with /var/run/docker.sock mounted and network set to host.
      $ docker run -v /var/run/docker.sock:/var/run/docker.sock \
          -v /var/lib/docker:/var/lib/docker --net=host -it bugswarm-spawner
    3. Add user to docker group and re-login.
      $ DOCKER_GID=`stat -c %g /var/run/docker.sock`
      $ sudo groupadd -g $DOCKER_GID docker_host
      $ sudo usermod -aG $DOCKER_GID bugswarm
      $ sudo su bugswarm
    4. Pull the git repository
      $ git pull
  6. If you are using the spawner container, continue the following commands in the containers. If you are using the host, continue with the host.

  7. Mongo should now be up and running, test the connection by opening a new Terminal and use:

    $ mongosh
    
  8. Step into initial BugSwarm directory and configure necessary credentials:

    1. Make a copy of the credentials file:
      $ cp bugswarm/common/credentials.sample.py bugswarm/common/credentials.py
      
    2. Fill in credentials in bugswarm/common/credentials.py:
      DOCKER_HUB_REPO=<DOCKER_HUB_REPO>
      DOCKER_HUB_CACHED_REPO=<DOCKER_HUB_CACHED_REPO>
      DOCKER_HUB_USERNAME=<DOCKER_HUB_USERNAME>
      DOCKER_HUB_PASSWORD=<DOCKER_HUB_PASSWORD>
      GITHUB_TOKENS=<GITHUB_TOKENS>
      TRAVIS_TOKENS=<TRAVIS_CI_TOKEN>
      DATABASE_PIPELINE_TOKEN=<DATABASE_PIPELINE_TOKEN> ('testDBPassword' if using Docker image of Mongo)
      COMMON_HOSTNAME=<LOCAL-IPADDRESS>:5000
      

      The following values are required for authentication, accessing components and APIs used within the BugSwarm pipeline. Please see the FAQ for details regarding the credentials.

  9. Run the provision script:

    $ ./provision.sh
    

    The provision.sh will provision the environment to utilize the BugSwarm pipeline

Miner

BugSwarm mines builds from projects on GitHub that use Travis CI, a continuous integration service. We mine fail-pass build pairs such that the first build of the pair fails and the second, which is next chronologically in Git history on each branch, passes.

The Miner component consists of the Pair-Miner and Pair-Filter.

run_mine_project.sh: Mines job-pairs from a project given its repo-slug.

Usage: ./run_mine_project.sh -r <repo-slug> [OPTIONS]

    <repo-slug>         Repo slug of the project from which the job-pair was mined

    OPTIONS:
        -t, --threads                Maximum number of worker threads to spawn. Defaults to 1.
        -c, --component-directory    The directory containing all the required BugSwarm components.

Example:

$ ./run_mine_project.sh -r alibaba/canal

The example will mine job-pairs from the "alibaba/canal" project. This will run through the Miner component of the BugSwarm pipeline. The output will push data to your MongoDB specified and outputs several .json files after each sub-step. This process should take less than 10 minutes.

Reproducer

BugSwarm obtains the original build environment that was used by Travis CI, via a Docker image, and generate scripts to build and run regression tests for each build. We match the reproduced build log, which is a transcript of everything that happens at the command line during build and testing, with the historical build log from Travis CI. We do this five times to account for reproducibility and flakiness. Reproducible pairs are then pushed as an Artifact to DOCKER_HUB_REPO in as specified in credentials.py, as a temporary repo. Metadata is not pushed to the MongoDB until after completing of the following caching step which pushes the Artifact with cached dependencies to the final repo, described below.

Reproduce a Project

run_reproduce_project.sh: Reproduces all job-pairs mined from a project given its repo slug.

Usage: ./run_reproduce_project.sh -r <repo-slug> [OPTIONS]

    <repo-slug>         Repo slug of the project

    OPTIONS:
        -t, --threads                Maximum number of worker threads to spawn. Defaults to 1.
        -c, --component-directory    The directory containing all the required BugSwarm components.
        -s, --skip-check-disk        Skip checking for disk space (default requires 50 GiB free space).
                                     This can result in your disk filling up depending on how many/big projects are being reproduced.

Example:

$ ./run_reproduce_project.sh -r alibaba/canal -c ~/bugswarm -t 4

The example will attempt to reproduce all job-pairs mined from the "alibaba/canal" project. We add the "-c" argument to specify that "~/bugswarm" directory contains the required BugSwarm components to run the pipeline successfully. We use 4 threads to run the process.

Generate Pair Input

generate_pair_input.py: Generate job pairs from the given repo slug or file containing a list of repos. This allows the user to be selective in which job pairs they'd want to reproduce through the optional argument filters. The output will result as such: repo-slug, failing-job-id, and passing-job-id.

Usage: python3 generate_pair_input.py (-r <repo-slug> | --repo-file <repo-file>) -o <output-path> [options]

Options:
     -r, --repo                         Repo slug for the mined project from which to choose pairs. Cannot be used with --repo-file.
         --repo-file                    Path to file containing a newline-separated list of repo slugs for the mined projects from which to choose pairs. Cannot be used with --repo.
     -o, --output-path                  Path to the file where chosen pairs will be written.
         --include-attempted            Include job pairs in the artifact database collection that we have already attempted to reproduce. Defaults to false.
         --include-archived-only        Include job pairs in the artifact database collection that are marked as archived by GitHub but not resettable. Defaults to false.
         --include-resettable           Include job pairs in the artifact database collection that are marked as resettable. Defaults to false.
         --include-test-failures-only   Include job pairs that have a test failure according to the Analyzer. Defaults to false.
         --include-different-base-image Include job pairs that passed and failed job have different base images. Defaults to false.
         --classified-build             Restrict job pairs that have been classified as build according to classifier Defaults to false.
         --classified-code              Restrict job pairs that have been classified as code according to classifier Defaults to false.
         --classified-test              Restrict job pairs that have been classified as test according to classifier Defaults to false.
         --exclusive-classify           Restrict to job pairs that have been exclusively classified as build/code/test, as specified by their respective options. Defaults to false.
         --classified-exception         Restrict job pairs that have been classified as contain certain exception
         --build-system                 Restricted to certain build system
         --os-version                   Restricted to certain OS version(e.g. 12.04, 14.04, 16.04)
         --diff-size                    Restricted to certain diff size MIN~MAX(e.g. 0~5)

Example:

$ python3 generate_pair_input.py --repo alibaba/canal --include-resettable --include-test-failures-only --include-archived-only --classified-exception IllegalAccessError -o /home/bugswarm/results_output.txt

The example above will include job pairs that were previously attempted to reproduce from the Artifact database collection, among those job pairs we include only those that have test failure according to the Analyzer, marked as resettable, and finally we restrict the job pairs further to those that were classified with having the "IllegalAccessError".

The output file of this script can then be used to define the repo slug, failed job ID, and passed job ID arguments of the below step, Reproduce a Pair.

Reproduce a Pair

run_reproduce_pair.sh: Reproduces a single job-pair given the slug for the project from which the job-pair was mined, the failed Job ID, and the passed job ID.

Usage: ./run_reproduce_pair.sh -r <repo-slug> -f <failed-job-id> -p <passed-job-id> [OPTIONS]

    <repo-slug>         Repo slug of the project
    <failed-job-id>     The failed job ID
    <passed-job-id>     The passed job ID

    OPTIONS:
        -t, --threads                Maximum number of worker threads to spawn. Defaults to 1.
        -c, --component-directory    The directory containing all the required BugSwarm components.
        -s, --skip-check-disk        Skip checking for disk space (default requires 50 GiB free space).
                                     This can result in your disk filling up depending on how many/big projects are being reproduced.

Example:

$ ./run_reproduce_pair.sh -r alibaba/canal -f 256610197 -p 256621225 -t 2

The example above will take the repo-slug "alibaba/canal" and both failed/passed job id to reproduce through the Reproducer component of the pipeline. We use 2 threads to run the process. If successful, we push the Artifact to the temporary DockerHub repository specified as DOCKER_HUB_REPO in the credentials.py file for attempted caching in the following step described below.

Cacher

Artifacts with cached dependencies are more stable over time, and are the form in which Artifacts should be added to a dataset. Successfully cached Artifacts are then pushed to the final repo, specified as DOCKER_HUB_CACHED_REPO in credentials.py, with crucial metadata pushed to the MongoDB.

Cache Reproduced Project

run_cache_project.sh: Cache reproduced job-pair Artifacts from a project.

Usage: ./run_cache_project.sh -r <repo-slug> [OPTIONS]

    <repo-slug>         Repo slug of the project

    OPTIONS:
        -t, --threads                Maximum number of worker threads to spawn. Defaults to 1.
        -c, --component-directory    The directory containing all the required BugSwarm components.
        -ca, --caching-args          Optional flags to caching script, written as normal enclosed by
                                     single-quotes. See cache-dependency/README for details on flags.

Example:

First, log in to a Docker registry with docker login

$ ./run_cache_project.sh -r "alibaba/canal" -c ~/bugswarm -ca '--separate-passed-failed --no-strict-offline-test'

The example will attempt to cache all reproducible job-pairs from the "alibaba/canal" project. We add the "-c" argument to specify that "~/bugswarm/" directory contains the required BugSwarm components to run the pipeline successfully. We will run the caching script with the --separate-passed-failed and --no-strict-offline-test flags. If successful, metadata will be pushed to our specified MongoDB and the cached Artifact is pushed to the DockerHub repository we specified by DOCKER_HUB_CACHED_REPO. This script tracks successfully cached Artifacts, so that only the remaining uncached are attempted. This script is meant to be re-run as necessary with different caching script flags to iteratively attempt caching candidate reproducible Artifacts. Successfully cached artifacts then have their metadata inserted into the Database and their failed and passed build logs uploaded to the database.

Cache Reproduced Pair

run_cache_pair.sh: Caches a single reproduced Artifact given the slug for the project from which the job-pair was mined and the failed Job ID. The passed Job ID is not necessary any longer for this step.

Usage: ./run_cache_pair.sh -r <repo-slug> -f <failed-job-id> [OPTIONS]

    <repo-slug>         Repo slug of the project
    <failed-job-id>     The failed job ID

    OPTIONS:
        -c, --component-directory    The directory containing all the required BugSwarm components.
        -ca <caching-args>           Optional flags to caching script, written as normal enclosed by
                                     single-quotes. See cache-dependency/README for details on flags.

Example:

First, log in to a Docker registry with docker login

$ ./run_cache_pair.sh -r alibaba/canal -f 256610197 -ca '--keep-tmp-images --keep-containers'

The example above takes command line arguments repo-slug "alibaba/canal", the failed job id, and optional caching script arguments --keep-tmp-images and --keep-containers to cache the reproduced jobpair which was pushed to a temporary repo by run_reproduce_pair.sh to the cached Artifact repo DOCKERHUB_CACHED_REPO.

Questions:

Visit our FAQ docs page

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