My Jenkins swarm Docker slave for doing R and Gradle stuff (season to taste)

Dockerfile

FROM ubuntu:14.04
MAINTAINER Bryan Robbins <bryantrobbins@gmail.com>

# Get latest packages
RUN echo "deb http://lib.stat.cmu.edu/R/CRAN/bin/linux/ubuntu trusty/" >> /etc/apt/sources.list
RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E084DAB9
RUN apt-get update && apt-get clean

# Needed for Jenkins
RUN apt-get install --no-install-recommends openjdk-7-jdk -y

# Needed for Jenkins jobs
RUN apt-get install ant wget unzip bzip2 xvfb git -y

# Needed for R
RUN apt-get install r-base r-base-dev libxml2-dev libcurl3-dev -y
COPY install.r /install.r
RUN Rscript install.r

# Install Gradle
COPY gradle-2.1-bin.zip /gradle-2.1-bin.zip
RUN unzip /gradle-2.1-bin.zip
RUN mv /gradle-2.1 /gradle
ENV PATH $PATH:/gradle/bin

# Set up slave files and user
RUN groupadd -r jslave && useradd -r -g jslave jslave
ADD swarm.jar /home/jslave/swarm.jar
RUN chown -R jslave:jslave /home/jslave

EXPOSE 22
EXPOSE 5005

USER jslave
WORKDIR /home/jslave
CMD    ["java", "-jar", "swarm.jar", "-master", "http://yourjenkinsmaster:someport", "-username", "someuser", "-password", "secret", "-labels", "basic R", "-executors", "1", "-fsroot", "/home/jslave/work"]

install.r

# I want commands printed in output
options(echo=TRUE)

# Modify this if you have a preferred mirror
cran <- "http://cran.rstudio.com/"

# Modify this list, depending on the R packages you need
install.packages("e1071", repos=cran)
install.packages("rmongodb", repos=cran)
install.packages("ROCR", repos=cran)
install.packages("devtools", repos=cran)
require(devtools)
install_github("Gastrograph/RS3")

TODO: Update command to use passwordEnvVariable option instead of hard-coded password

You need the Jenkins Swarm client