ansible-roles/R/tasks/main.yml

---
- name: Manage the cran repository key
  apt_key: id=E084DAB9 keyserver=keyserver.ubuntu.com state={{ r_install_cran_repo }}
  tags: [ 'r_software', 'r_repo' ]

- name: Manage the cran repository definition
  apt_repository: repo='deb http://cran.rstudio.com/bin/linux/ubuntu {{ ansible_distribution_release }}/' state={{ r_install_cran_repo }} update_cache=yes
  tags: [ 'r_software', 'r_repo' ]

- name: Install a specific version of the R base package
  apt: pkg={{ item }} state={{ r_packages_state }}
  with_items: r_base_packages_list
  tags: [ 'r_software', 'r_pkg' ]

- name: Install the R additional modules from the deb repo
  apt: pkg={{ item }} state={{ r_packages_state }}
  with_items: r_plugins_packages_list
  when: r_plugins_from_deb
  tags: [ 'r_software', 'r_pkg' ]

- name: Install some packages needed by R plugins when installed from source, if needed
  apt: pkg={{ item }} state={{ r_packages_state }} update_cache=yes
  with_items: r_distribution_required_packages
  when: r_needs_additional_distro_pkgs
  tags: [ 'r_software', 'r_pkg' ]
  
- name: Ensure that the R packages sources directory exists
  file: dest={{ r_source_plugins_dest_dir }} state=directory owner=root group=root
  when: r_plugins_from_sources is defined
  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_version' ]

- name: Get the R packages sources that need to be installed
  get_url: url={{ item.url }} dest={{ r_source_plugins_dest_dir }}
  with_items: r_plugins_from_sources
  when: r_plugins_from_sources is defined
  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_version' ]
  
- name: Install R packages from the cran sources, specific versions
  command: >
    Rscript --slave --no-save --no-restore-history -e "if (! ('{{ item.name }}' %in% installed.packages()[,'Package'])) { install.packages('{{ r_source_plugins_dest_dir }}/{{ item.source }}', repos = NULL, type='source'); print('Added'); } else if (packageVersion('{{ item.name }}') != '{{ item.version }}') { install.packages('{{ r_source_plugins_dest_dir }}/{{ item.source }}', repos = NULL, type='source'); print('Added'); } else { print('Already Installed'); }"
  register: install_s_plugins_result
  failed_when: "install_s_plugins_result.rc != 0 or 'had non-zero exit status' in install_s_plugins_result.stderr"
  changed_when: '"Added" in install_s_plugins_result.stdout'
  with_items: r_plugins_from_sources
  when: r_plugins_install_specific_source
  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_version' ]

- name: Install R packages from the cran sources repo, latest version
  command: >
    Rscript --slave --no-save --no-restore-history -e "if (! ('{{ item }}' %in% installed.packages()[,'Package'])) { install.packages(pkgs='{{ item }}', repos=c('{{ r_cran_mirror_site }}/')); print('Added'); } else { print('Already installed'); }"
  register: install_plugins_result
  failed_when: "install_plugins_result.rc != 0 or 'had non-zero exit status' in install_plugins_result.stderr"
  changed_when: "'Added' in install_plugins_result.stdout"
  with_items: r_plugins_list_to_install
  when: r_plugins_install_latest_source
  tags: [ 'r_software', 'r_pkg', 'r_plugins' ]

- name: Install R packages from github
  command: >
    Rscript --slave --no-save --no-restore-history -e "if (! ('{{ item.plugin_name }}' %in% installed.packages()[,'Package'])) { require(devtools); require(methods) ; options(repos='{{ r_cran_mirror_site }}/') ; install_github('{{ item.plugin_name }}', '{{ item.github_user }}'); print('Added'); } else { print('Already Installed'); }"
  register: install_github_plugins_result
  failed_when: "install_github_plugins_result.rc != 0 or 'had non-zero exit status' in install_github_plugins_result.stderr"
  changed_when: "'Added' in install_github_plugins_result.stdout"
  with_items: r_plugins_from_github
  when: r_plugins_from_github is defined
  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_github' ]

- name: Remove R unwanted packages
  command: >
    Rscript --slave --no-save --no-restore-history -e "if (! ('{{ item }}' %in% installed.packages()[,'Package'])) { print('Not installed'); } else { remove.packages(pkgs='{{ item }}'); print('Removed'); }"
  register: remove_plugins_result
  failed_when: remove_plugins_result.rc != 0
  changed_when: "'Removed' in remove_plugins_result.stdout"
  with_items: r_plugins_list_to_remove
  when: r_plugins_list_to_remove is defined
  tags: [ 'r_software', 'r_pkg', 'r_plugins' ]