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How to Install R Packages with Ansible

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How to Install R Packages with Ansible

· Big Data Zone ·
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Hortonworks Sandbox for HDP and HDF is your chance to get started on learning, developing, testing and trying out new features. Each download comes preconfigured with interactive tutorials, sample data and developments from the Apache community.

Here is a short snippet of Ansible playbook that installs R and any required packages to any nodes of the cluster:

- name: Making sure R is installed
apt: pkg=r-base state=installed

- name: adding a few R packages
command: /usr/bin/Rscript --slave --no-save --no-restore-history -e "if (! ('{{item}}' %in% installed.packages()[,'Package'])) install.packages(pkgs={{item}}, repos=c('http://www.freestatistics.org/cran/'))"
with_items:
- rjson
- rPython
- plyr
- psych
- reshape2

You should replace the repos with one chosen from the list of Cran mirrors.

Note that the command above installs each package only if it is not already present, but messes up the “changed” status of Ansible’s PLAY RECAP by incorrectly reporting a change per R package at every run.

Find more big data technical posts on my  blog

Hortonworks Sandbox for HDP and HDF is your chance to get started on learning, developing, testing and trying out new features. Each download comes preconfigured with interactive tutorials, sample data and developments from the Apache community.

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