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MoveIt Continous Integration

Common Travis CI configuration for MoveIt project

Authors: Robert Haschke, Dave Coleman, Isaac I. Y. Saito

  • Uses pre-build Docker containers for all ROS distros to save setup time
  • Simple Travis configuration
  • Nicely folded Travis output, tweaked to prevent Travis from bailing out due to oversized log or stalled output
  • Allows to pull in additional ROS repositories and build them from source along with the to-be-tested one
  • Runs tests on the current repository only, i.e. external packages are not tested
  • Builds into install space

Build Status

Usage

Create a .travis.yml file in the base of you repo similar to:

# This config file for Travis CI utilizes https://github.com/ros-planning/moveit_ci/ package.
sudo: required
dist: trusty
services:
  - docker
language: cpp
compiler: gcc
cache: ccache

notifications:
  email:
    recipients:
      # - [email protected]
env:
  global: # default values that are common to all configurations (can be overriden below)
    - ROS_DISTRO=melodic   # ROS distro to test for
    - ROS_REPO=ros         # ROS binary repository [ros | ros-shadow-fixed]
    - TEST_BLACKLIST=      # list packages, for which to skip the unittests
    - WARNINGS_OK=false    # Don't accept warnings [true | false]
  matrix:  # define various jobs
    - TEST=clang-format    # check code formatting for compliance to .clang-format rules
    - TEST=clang-tidy-fix  # perform static code analysis and compliance check against .clang-tidy rules
    - TEST=catkin_lint     # perform catkin_lint checks
    # pull in packages from a local .rosinstall file
    - UPSTREAM_WORKSPACE=moveit.rosinstall
    # pull in packages from a remote .rosinstall file and run for a non-default ROS_DISTRO
    - UPSTREAM_WORKSPACE=https://raw.githubusercontent.com/ros-planning/moveit/$ROS_DISTRO-devel/moveit.rosinstall
      ROS_DISTRO=kinetic  ROS_REPO=ros-shadow-fixed

matrix:
  include: # Add a separate config to the matrix, using clang as compiler
    - env: TEST=clang-tidy-check  # run static code analysis, but don't check for available auto-fixes
      compiler: clang
  allow_failures:
    - env: ROS_DISTRO=kinetic  ROS_REPO=ros  UPSTREAM_WORKSPACE=https://github.com/ros-planning/moveit#$ROS_DISTRO-devel

before_script:
  # Clone the moveit_ci repository into Travis' workspace
  - git clone --depth 1 -q https://github.com/ros-planning/moveit_ci.git .moveit_ci

script:
  # Run the test script
  - .moveit_ci/travis.sh

Configurations

  • There are essentially two options two specify the underlying ROS docker container to use:
    1. Using the two variables ROS_DISTRO and ROS_REPO, which automagically choose a suitable MoveIt docker image.
      • ROS_DISTRO: (required) determines which version of ROS to use, i.e. kinetic, melodic, ...
      • ROS_REPO: (default: ros) determines which ROS package repository to use, either the regular release repo or, specifying ros-shadow-fixed, the shadow prerelease repo.
    2. Directly specifying DOCKER_IMAGE, e.g. DOCKER_IMAGE=moveit/moveit:master-source. The docker image may define a ROS_UNDERLAY to build the catkin workspace against. By default, this is the root ROS folder in /opt/ros.
  • BEFORE_DOCKER_SCRIPT: (default: none): Used to specify shell commands or scripts that run before starting the docker container. This is similar to Travis' before_script section, but the variable allows to dynamically switch scripts within the testing matrix.
  • BEFORE_SCRIPT: (default: none): Used to specify shell commands or scripts that run in docker, just after setting up the ROS workspace and before actually starting the build processes. In contrast to BEFORE_DOCKER_SCRIPT, this script runs in the context of the docker container.
  • UPSTREAM_WORKSPACE (default: debian): Configure additional packages for your ROS workspace. By default, all dependent packages will be downloaded as binary packages from $ROS_REPO. Setting this variable to a http://github.com/user/repo#branch repository url, will clone the corresponding repository into the workspace. Setting this variable to a http:// url, or a local file in your repository, will merge the corresponding .rosinstall file with wstool into your workspace. Multiple sources can be given as a comma-, or semicolon-separated lists. Note: their order matters -- if the same resource is defined twice, only the first one is considered.
  • TEST_BLACKLIST: Allow certain tests to be skipped if necessary (not recommended).
  • TEST: list of additional tests to perform: clang-format, clang-tidy-check, clang-tidy-fix, catkin_lint

More configurations as seen in industrial_ci can be added in the future.

Removed Configuration

  • CI_PARENT_DIR renamed to MOVEIT_CI_DIR

Clang-Format

clang-format allows to validate that the source code is properly formatted according to a specification provided in .clang-format files in the folder hierarchy. Use TEST=clang-format to enable this test.

Clang-Tidy

clang-tidy allows for static code analysis and validation of naming rules. Use TEST=clang-tidy-check to enable clang-tidy analysis, but only issuing warnings. Use TEST=clang-tidy-fix to reject code that doesn't comply to the rules.

Catkin Lint

catkin_lint checks for comment issues in your package.xml and CMakeLists files.

WARNINGS_OK

The script automatically checks for warnings issued during the build process and provides a summary in the end. If don't want to accept warnings, and make Travis fail your build in this case, please specify WARNINGS_OK=false.

Running Locally For Testing

It's also possible to run the moveit_ci script locally, without Travis. We demonstrate this using MoveIt as the example repository:

First clone the repo you want to test:

cd /tmp/travis   # any working directory will do
git clone https://github.com/ros-planning/moveit
cd moveit

Next clone the CI script:

git clone https://github.com/ros-planning/moveit_ci .moveit_ci

Manually define the variables, Travis would otherwise define for you. These are required:

export TRAVIS_BRANCH=melodic-devel   # The base branch to compare changes with (e.g. for clang-tidy)
export ROS_DISTRO=melodic
export ROS_REPO=ros-shadow-fixed

export CC=gcc            # The compiler you have chosen in your .travis.yaml
export CXX=g++

The rest is optional:

# Export all other environment variables you usually set in your .travis.yaml
export UPSTREAM_WORKSPACE=moveit.rosinstall
export TEST=clang-format

Start the script

.moveit_ci/travis.sh

It's also possible to run the script without using docker. To this end, issue the following additional commands:

export IN_DOCKER=1               # pretend running docker
export CI_SOURCE_PATH=$PWD       # repository location in, i.e. /tmp/travis/moveit
export ROS_WS=/tmp/ros_ws        # define a new ROS workspace location
mkdir $ROS_WS                    # and create it
.moveit_ci/travis.sh

The travis.sh script will need to run apt-get as root. To allow this, create a proxy script for apt-get in your PATH:

  1. Create the file ~/.local/bin/apt-get
  2. Insert the following text 
    #!/bin/bash
echo "running apt-get proxy"
sudo /usr/bin/apt-get "$@"
  3. Make it executable chmod +x ~/.local/bin/apt-get

Run in Gitlab CI in docker runner

When running in a Gitlab CI with the docker runner we instruct Gitlab CI which docker image we want and set the required enviroment variables. Here is an example gitlab-ci.yml file. A couple details to notice are the sed command that replaces ssh git remotes with one that uses the gitlab-ci-token over https and that you will need to define the enviroment variables for the compiler and how it uses IN_DOCKER to let the script know it is already in the docker image:

image: moveit/moveit:master-ci
before_script:
  - git clone --quiet --depth 1 https://github.com/ros-planning/moveit_ci.git .moveit_ci
  - sed -i -r "s/ssh:\/\/git@gitlab\.company\.com:9000/https:\/\/gitlab-ci-token:${CI_JOB_TOKEN}@gitlab\.company\.com/g" ${CI_PROJECT_DIR}/repo_name.rosinstall
  - export TRAVIS_BRANCH=$CI_COMMIT_REF_NAME
  - export CXX=c++
  - export CC=cc
  - export ROS_DISTRO=melodic
  - export UPSTREAM_WORKSPACE=repo_name.rosinstall
  - export IN_DOCKER=1
  - export CI_SOURCE_PATH=$PWD
  - export ROS_WS=${HOME}/ros_ws
  - mkdir $ROS_WS
test:
  tags:
    - docker-runner
  script:
    - .moveit_ci/travis.sh