Switch to Docker for tests (#285)

.dockerignore

@@ -0,0 +1 @@
+.tox

.travis.yml

@@ -1,50 +1,15 @@
-language: python
-python:
-  - "2.7"
-  - "3.4"
-dist: trusty
 sudo: required
-cache:
-  apt: true
-  pip: true
-addons:
-  apt:
-    sources:
-      - george-edison55-precise-backports # cmake 3.2.3
-      - deadsnakes
-    packages:
-      - cmake
-      - cmake-data
-      - python-dev
-      - python3.4-dev
-      - swig
-      - libav-tools
-      - python-numpy
-      - libboost-all-dev
-      - libsdl2-dev
-      - libjpeg-dev
-      - zlib1g-dev
-      - libblas-dev
-      - liblapack-dev
-      - gfortran
-      - python-opengl
+language: python
+services:
+  - docker
 before_install:
-  # Start an X server so rendering works.
-  - Xvfb :12 -screen 0 800x600x24 +extension RANDR &
-
+  # Prime the cache. We currently manually keep this synced.
+  - docker pull quay.io/openai/gym:test
+  - docker build -f test.dockerfile -t quay.io/openai/gym:test .
+script:
   # In a pull request, there are no secrets, and hence no MuJoCo:
   # https://docs.travis-ci.com/user/pull-requests#Security-Restrictions-when-testing-Pull-Requests.
-  - '[ -z ${MUJOCO_KEY_BUNDLE+x} ] || ( mkdir -p ~/.mujoco && curl https://openai-public.s3-us-west-2.amazonaws.com/mujoco/$MUJOCO_KEY_BUNDLE.tar.gz | tar xz -C ~/.mujoco )'
-
-  # Without this line, Travis has fork()s fail with an out of memory
-  # error. (These fork()s are for spawning the subprocess for video
-  # recording.) We should debug the memory usage at some stage, but
-  # simply setting overcommit is a good starting point.
-  - sudo sysctl -w vm.overcommit_memory=1
-env:
-  - DISPLAY=:12
-install: travis_wait pip install -r requirements_dev.txt
-script: nose2
+  - docker run -e MUJOCO_KEY_BUNDLE="${MUJOCO_KEY_BUNDLE:-}" quay.io/openai/gym:test tox
 
 notifications:
   slack:

Dockerfile

@@ -2,13 +2,7 @@
 FROM ubuntu:14.04
 
 RUN apt-get update \
-    && apt-get install -y xorg-dev \
-    libgl1-mesa-dev \
-    xvfb \
-    libxinerama1 \
-    libxcursor1 \
-    libglu1-mesa \
-    libav-tools \
+    && apt-get install -y libav-tools \
     python-numpy \
     python-scipy \
     python-pyglet \
@@ -17,16 +11,24 @@ RUN apt-get update \
     libjpeg-dev \
     curl \
     cmake \
- && apt-get clean \
- && rm -rf /var/lib/apt/lists/* \
- && easy_install pip
+    swig \
+    python-opengl \
+    libboost-all-dev \
+    libsdl2-dev \
+    wget \
+    unzip \
+    git \
+    xpra \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* \
+    && easy_install pip
 
 WORKDIR /usr/local/gym
 RUN mkdir gym && touch gym/__init__.py
 COPY ./gym/version.py ./gym
 COPY ./requirements.txt .
 COPY ./setup.py .
-RUN pip install -r requirements.txt
+RUN pip install -e .[all]
 
 # Finally, upload our actual code!
 COPY . /usr/local/gym

Makefile

@@ -4,9 +4,15 @@ install:
 	pip install -r requirements.txt
 
 test:
-	nose2
+	docker build -f test.dockerfile -t quay.io/openai/gym:test .
 
 upload:
 	rm -rf dist
 	python setup.py sdist
 	twine upload dist/*
+
+docker-build:
+	docker build -t quay.io/openai/gym .
+
+docker-run:
+	docker run -ti quay.io/openai/gym bash

bin/docker_entrypoint

@@ -4,9 +4,29 @@
 
 set -e
 
-# Set up display; otherwise rendering will cause segfaults
+path=$(cd $(dirname "$0") && pwd)
+
+[ -z ${MUJOCO_KEY_BUNDLE+x} ] || ( mkdir -p ~/.mujoco && curl https://openai-public.s3-us-west-2.amazonaws.com/mujoco/$MUJOCO_KEY_BUNDLE.tar.gz | tar xz -C ~/.mujoco )
+
+# Set up display; otherwise rendering will fail
 rm -f /tmp/.X12-lock
-Xvfb :12 -screen 0 800x600x24 +extension RANDR 2>/dev/null &
+"$path/../vendor/Xdummy" :12 &
 export DISPLAY=:12
 
+# Wait for the file to come up
+display=12
+file="/tmp/.X11-unix/X$display"
+for i in $(seq 1 10); do
+    if [ -e "$file" ]; then
+	break
+    fi
+
+    echo "Waiting for $file to be created (try $i/10)"
+    sleep "$i"
+done
+if ! [ -e "$file" ]; then
+    echo "Timing out: $file was not created"
+    exit 1
+fi
+
 exec "$@"

test.dockerfile

@@ -0,0 +1,42 @@
+# A Dockerfile that sets up a full Gym install
+FROM ubuntu:14.04
+
+RUN apt-get update \
+    && apt-get install -y libav-tools \
+    python-numpy \
+    python-scipy \
+    python-pyglet \
+    python-setuptools \
+    libpq-dev \
+    libjpeg-dev \
+    curl \
+    cmake \
+    swig \
+    python-opengl \
+    libboost-all-dev \
+    libsdl2-dev \
+    wget \
+    unzip \
+    git \
+    xpra \
+    python3-dev \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* \
+    && easy_install pip
+
+WORKDIR /usr/local/gym
+RUN mkdir gym && touch gym/__init__.py
+COPY ./gym/version.py ./gym
+COPY ./requirements.txt .
+COPY ./setup.py .
+COPY ./tox.ini .
+
+RUN pip install tox
+# Install the relevant dependencies. Keep printing so Travis knows we're alive.
+RUN ["bash", "-c", "( while true; do echo '.'; sleep 60; done ) & tox --notest"]
+
+# Finally, upload our actual code!
+COPY . /usr/local/gym
+
+ENTRYPOINT ["/usr/local/gym/bin/docker_entrypoint"]
+CMD ["tox"]

tox.ini

@@ -12,8 +12,21 @@ passenv=DISPLAY TRAVIS*
 deps =
     nose2
     mock
+    atari_py>=0.0.17
+    Pillow
+    PyOpenGL
+    pachi-py>=0.0.19
+    box2d-py
+    PyOpenGL
+    doom_py>=0.0.11
+    mujoco_py>=0.4.3
+    keras
+    theano
+    numpy>=1.10.4
+    requests>=2.0
+    six
+    pyglet>=1.2.0
 commands =
-    pip install -e .[all]
     nose2 {posargs}
 
 [testenv:py27]
@@ -22,6 +35,19 @@ passenv=DISPLAY TRAVIS*
 deps =
     nose2
     mock
+    atari_py>=0.0.17
+    Pillow
+    PyOpenGL
+    pachi-py>=0.0.19
+    box2d-py
+    PyOpenGL
+    doom_py>=0.0.11
+    mujoco_py>=0.4.3
+    keras
+    theano
+    numpy>=1.10.4
+    requests>=2.0
+    six
+    pyglet>=1.2.0
 commands =
-    pip install -e .[all]
     nose2 {posargs}